Merge branch 'master' into calloptions-fluent

1310 files changed, 6063 insertions, 2686 deletions

diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index 1a2ca6f0c0..79da278b3c 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,17 +33,16 @@
 
 #include "test/core/bad_client/bad_client.h"
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/surface/completion_queue.h"
-#include "src/core/surface/server.h"
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2_transport.h"
-
 #include <grpc/support/alloc.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/completion_queue.h"
+#include "src/core/lib/surface/server.h"
 
 typedef struct {
   grpc_server *server;
@@ -67,11 +66,8 @@ static void done_write(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   thd_args *a = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, a->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, a->server, transport,
                               grpc_server_get_channel_args(a->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -105,7 +101,7 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
   sfd = grpc_iomgr_create_endpoint_pair("fixture", 65536);
 
   /* Create server, completion events */
-  a.server = grpc_server_create_from_filters(NULL, 0, NULL);
+  a.server = grpc_server_create(NULL, NULL);
   a.cq = grpc_completion_queue_create(NULL);
   gpr_event_init(&a.done_thd);
   gpr_event_init(&a.done_write);
@@ -113,7 +109,8 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
   grpc_server_register_completion_queue(a.server, a.cq, NULL);
   a.registered_method =
       grpc_server_register_method(a.server, GRPC_BAD_CLIENT_REGISTERED_METHOD,
-                                  GRPC_BAD_CLIENT_REGISTERED_HOST);
+                                  GRPC_BAD_CLIENT_REGISTERED_HOST,
+                                  GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
   grpc_server_start(a.server);
   transport = grpc_create_chttp2_transport(&exec_ctx, NULL, sfd.server, 0);
   server_setup_transport(&a, transport);
@@ -158,9 +155,9 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
     grpc_exec_ctx_finish(&exec_ctx);
   }
   grpc_server_shutdown_and_notify(a.server, a.cq, NULL);
-  GPR_ASSERT(grpc_completion_queue_pluck(a.cq, NULL,
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 a.cq, NULL, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(a.server);
   grpc_completion_queue_destroy(a.cq);
   gpr_slice_buffer_destroy(&outgoing);
diff --git a/test/core/bad_client/gen_build_yaml.py b/test/core/bad_client/gen_build_yaml.py
index f37aa66c5f..d49858ed6d 100755
--- a/test/core/bad_client/gen_build_yaml.py
+++ b/test/core/bad_client/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@ BAD_CLIENT_TESTS = {
     'connection_prefix': default_test_options._replace(cpu_cost=0.2),
     'headers': default_test_options._replace(cpu_cost=0.2),
     'initial_settings_frame': default_test_options._replace(cpu_cost=0.2),
+    'head_of_line_blocking': default_test_options,
     'server_registered_method': default_test_options,
     'simple_request': default_test_options,
     'window_overflow': default_test_options,
@@ -67,7 +68,9 @@ def main():
             'vs_proj_dir': 'test/bad_client',
             'deps': [
               'grpc_test_util_unsecure',
-              'grpc_unsecure'
+              'grpc_unsecure',
+              'gpr_test_util',
+              'gpr'
             ]
           }],
       'targets': [
@@ -82,7 +85,9 @@ def main():
               'deps': [
                   'bad_client_test',
                   'grpc_test_util_unsecure',
-                  'grpc_unsecure'
+                  'grpc_unsecure',
+                  'gpr_test_util',
+                  'gpr'
               ]
           }
       for t in sorted(BAD_CLIENT_TESTS.keys())]}
diff --git a/test/core/bad_client/tests/badreq.c b/test/core/bad_client/tests/badreq.c
index 6d59d25b92..b17e3b35ee 100644
--- a/test/core/bad_client/tests/badreq.c
+++ b/test/core/bad_client/tests/badreq.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -45,9 +45,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/connection_prefix.c b/test/core/bad_client/tests/connection_prefix.c
index 66ff8c2936..9a30aad0e9 100644
--- a/test/core/bad_client/tests/connection_prefix.c
+++ b/test/core/bad_client/tests/connection_prefix.c
@@ -31,15 +31,15 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/head_of_line_blocking.c b/test/core/bad_client/tests/head_of_line_blocking.c
new file mode 100644
index 0000000000..53cd4537b2
--- /dev/null
+++ b/test/core/bad_client/tests/head_of_line_blocking.c
@@ -0,0 +1,151 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/bad_client/bad_client.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/lib/surface/server.h"
+#include "test/core/end2end/cq_verifier.h"
+
+static const char prefix[] =
+    "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
+    // settings frame
+    "\x00\x00\x00\x04\x00\x00\x00\x00\x00"
+    // stream 1 headers: generated from server_registered_method.headers in this
+    // directory
+    "\x00\x00\xd0\x01\x04\x00\x00\x00\x01"
+    "\x10\x05:path\x0f/registered/bar"
+    "\x10\x07:scheme\x04http"
+    "\x10\x07:method\x04POST"
+    "\x10\x0a:authority\x09localhost"
+    "\x10\x0c"
+    "content-type\x10"
+    "application/grpc"
+    "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"
+    "\x10\x02te\x08trailers"
+    "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+    // data frame for stream 1: advertise a 10000 byte payload (that we won't
+    // fulfill)
+    "\x00\x00\x05\x00\x00\x00\x00\x00\x01"
+    "\x01\x00\x00\x27\x10"
+    // stream 3 headers: generated from server_registered_method.headers in this
+    // directory
+    "\x00\x00\xd0\x01\x04\x00\x00\x00\x03"
+    "\x10\x05:path\x0f/registered/bar"
+    "\x10\x07:scheme\x04http"
+    "\x10\x07:method\x04POST"
+    "\x10\x0a:authority\x09localhost"
+    "\x10\x0c"
+    "content-type\x10"
+    "application/grpc"
+    "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"
+    "\x10\x02te\x08trailers"
+    "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+    // data frame for stream 3: advertise a 10000 byte payload (that we will
+    // fulfill)
+    "\x00\x00\x05\x00\x00\x00\x00\x00\x03"
+    "\x01\x00\x00\x27\x10"
+    "";
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static void verifier(grpc_server *server, grpc_completion_queue *cq,
+                     void *registered_method) {
+  grpc_call_error error;
+  grpc_call *s;
+  cq_verifier *cqv = cq_verifier_create(cq);
+  grpc_metadata_array request_metadata_recv;
+  gpr_timespec deadline;
+  grpc_byte_buffer *payload = NULL;
+
+  grpc_metadata_array_init(&request_metadata_recv);
+
+  error = grpc_server_request_registered_call(server, registered_method, &s,
+                                              &deadline, &request_metadata_recv,
+                                              &payload, cq, cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  cq_expect_completion(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(payload != NULL);
+
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_destroy(s);
+  grpc_byte_buffer_destroy(payload);
+  cq_verifier_destroy(cqv);
+}
+
+char *g_buffer;
+size_t g_cap = 0;
+size_t g_count = 0;
+
+static void addbuf(const void *data, size_t len) {
+  if (g_count + len > g_cap) {
+    g_cap = GPR_MAX(g_count + len, g_cap * 2);
+    g_buffer = gpr_realloc(g_buffer, g_cap);
+  }
+  memcpy(g_buffer + g_count, data, len);
+  g_count += len;
+}
+
+int main(int argc, char **argv) {
+  int i;
+  grpc_test_init(argc, argv);
+
+#define NUM_FRAMES 10
+#define FRAME_SIZE 1000
+
+  addbuf(prefix, sizeof(prefix) - 1);
+  for (i = 0; i < NUM_FRAMES; i++) {
+    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16),
+                      (uint8_t)(FRAME_SIZE >> 8),
+                      (uint8_t)FRAME_SIZE,
+                      0,
+                      0,
+                      0,
+                      0,
+                      0,
+                      3};
+    uint8_t msg[FRAME_SIZE];
+    memset(msg, 'a', sizeof(msg));
+    addbuf(hdr, sizeof(hdr));
+    addbuf(msg, FRAME_SIZE);
+  }
+  grpc_run_bad_client_test(verifier, g_buffer, g_count, 0);
+  gpr_free(g_buffer);
+
+  return 0;
+}
diff --git a/test/core/bad_client/tests/headers.c b/test/core/bad_client/tests/headers.c
index 2186a4ffcb..4c1a76743e 100644
--- a/test/core/bad_client/tests/headers.c
+++ b/test/core/bad_client/tests/headers.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -41,9 +41,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/initial_settings_frame.c b/test/core/bad_client/tests/initial_settings_frame.c
index fb6149cc3b..63a770df91 100644
--- a/test/core/bad_client/tests/initial_settings_frame.c
+++ b/test/core/bad_client/tests/initial_settings_frame.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
 #define ONE_SETTING_HDR "\x00\x00\x06\x04\x00\x00\x00\x00\x00"
@@ -40,9 +40,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/server_registered_method.c b/test/core/bad_client/tests/server_registered_method.c
index dc6ecc51f0..60d3b890b2 100644
--- a/test/core/bad_client/tests/server_registered_method.c
+++ b/test/core/bad_client/tests/server_registered_method.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                                               \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                          \
diff --git a/test/core/bad_client/tests/simple_request.c b/test/core/bad_client/tests/simple_request.c
index c04319edc5..ac0fdde876 100644
--- a/test/core/bad_client/tests/simple_request.c
+++ b/test/core/bad_client/tests/simple_request.c
@@ -35,8 +35,8 @@
 
 #include <string.h>
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                                                            \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                                       \
@@ -108,9 +108,9 @@ static void verifier(grpc_server *server, grpc_completion_queue *cq,
 static void failure_verifier(grpc_server *server, grpc_completion_queue *cq,
                              void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/unknown_frame.c b/test/core/bad_client/tests/unknown_frame.c
index 2ef340eeb5..f3870a1813 100644
--- a/test/core/bad_client/tests/unknown_frame.c
+++ b/test/core/bad_client/tests/unknown_frame.c
@@ -31,8 +31,8 @@
  *
  */
 
+#include "src/core/lib/surface/server.h"
 #include "test/core/bad_client/bad_client.h"
-#include "src/core/surface/server.h"
 
 #define PFX_STR                      \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
@@ -41,9 +41,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
diff --git a/test/core/bad_client/tests/window_overflow.c b/test/core/bad_client/tests/window_overflow.c
index 646d5c5f4c..16f11e7dd0 100644
--- a/test/core/bad_client/tests/window_overflow.c
+++ b/test/core/bad_client/tests/window_overflow.c
@@ -37,7 +37,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/surface/server.h"
+#include "src/core/lib/surface/server.h"
 
 #define PFX_STR                                                            \
   "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"                                       \
@@ -60,9 +60,9 @@
 static void verifier(grpc_server *server, grpc_completion_queue *cq,
                      void *registered_method) {
   while (grpc_server_has_open_connections(server)) {
-    GPR_ASSERT(grpc_completion_queue_next(cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
   }
 }
 
@@ -90,8 +90,15 @@ int main(int argc, char **argv) {
 
   addbuf(PFX_STR, sizeof(PFX_STR) - 1);
   for (i = 0; i < NUM_FRAMES; i++) {
-    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16), (uint8_t)(FRAME_SIZE >> 8),
-                      (uint8_t)FRAME_SIZE, 0, 0, 0, 0, 0, 1};
+    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16),
+                      (uint8_t)(FRAME_SIZE >> 8),
+                      (uint8_t)FRAME_SIZE,
+                      0,
+                      0,
+                      0,
+                      0,
+                      0,
+                      1};
     addbuf(hdr, sizeof(hdr));
     for (j = 0; j < MESSAGES_PER_FRAME; j++) {
       uint8_t message[5] = {0, 0, 0, 0, 0};
diff --git a/test/core/bad_ssl/bad_ssl_test.c b/test/core/bad_ssl/bad_ssl_test.c
index a78a0798ae..c4ae212ec2 100644
--- a/test/core/bad_ssl/bad_ssl_test.c
+++ b/test/core/bad_ssl/bad_ssl_test.c
@@ -31,8 +31,8 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
@@ -41,9 +41,10 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
-#include "src/core/support/string.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 static void *tag(intptr_t t) { return (void *)t; }
@@ -86,7 +87,7 @@ static void run_test(const char *target, size_t nops) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
@@ -144,6 +145,9 @@ int main(int argc, char **argv) {
   } else {
     strcpy(root, ".");
   }
+  if (argc == 2) {
+    gpr_setenv("GRPC_DEFAULT_SSL_ROOTS_FILE_PATH", argv[1]);
+  }
   /* figure out our test name */
   tmp = lunder - 1;
   while (*tmp != '_') tmp--;
diff --git a/test/core/bad_ssl/gen_build_yaml.py b/test/core/bad_ssl/gen_build_yaml.py
index 9f05fed485..69f921989c 100755
--- a/test/core/bad_ssl/gen_build_yaml.py
+++ b/test/core/bad_ssl/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -52,13 +52,15 @@ def main():
               'name': 'bad_ssl_test_server',
               'build': 'private',
               'language': 'c',
-              'src': ['test/core/bad_ssl/server.c'],
-              'headers': ['test/core/bad_ssl/server.h'],
+              'src': ['test/core/bad_ssl/server_common.c'],
+              'headers': ['test/core/bad_ssl/server_common.h'],
               'vs_proj_dir': 'test',
               'platforms': ['linux', 'posix', 'mac'],
               'deps': [
                   'grpc_test_util',
-                  'grpc'
+                  'grpc',
+                  'gpr_test_util',
+                  'gpr'
               ]
           }
       ],
@@ -74,7 +76,9 @@ def main():
               'deps': [
                   'bad_ssl_test_server',
                   'grpc_test_util',
-                  'grpc'
+                  'grpc',
+                  'gpr_test_util',
+                  'gpr'
               ]
           }
       for t in sorted(BAD_CLIENT_TESTS.keys())] + [
@@ -88,7 +92,9 @@ def main():
               'platforms': ['linux', 'posix', 'mac'],
               'deps': [
                   'grpc_test_util',
-                  'grpc'
+                  'grpc',
+                  'gpr_test_util',
+                  'gpr'
               ]
           }
       for t in sorted(BAD_CLIENT_TESTS.keys())]}
diff --git a/test/core/bad_ssl/server.c b/test/core/bad_ssl/server_common.c
index 6113d364c9..14b1892c2e 100644
--- a/test/core/bad_ssl/server.c
+++ b/test/core/bad_ssl/server_common.c
@@ -35,7 +35,7 @@
 #include <grpc/support/log.h>
 #include <signal.h>
 
-#include "test/core/bad_ssl/server.h"
+#include "test/core/bad_ssl/server_common.h"
 #include "test/core/util/test_config.h"
 
 /* Common server implementation details for all servers in servers/.
diff --git a/test/core/bad_ssl/server.h b/test/core/bad_ssl/server_common.h
index 8ec7755503..8ec7755503 100644
--- a/test/core/bad_ssl/server.h
+++ b/test/core/bad_ssl/server_common.h
diff --git a/test/core/bad_ssl/servers/alpn.c b/test/core/bad_ssl/servers/alpn.c
index 7d70690e52..8b69140fba 100644
--- a/test/core/bad_ssl/servers/alpn.c
+++ b/test/core/bad_ssl/servers/alpn.c
@@ -38,8 +38,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/chttp2/alpn.h"
-#include "test/core/bad_ssl/server.h"
+#include "src/core/ext/transport/chttp2/transport/alpn.h"
+#include "test/core/bad_ssl/server_common.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 
 /* This test starts a server that is configured to advertise (via alpn and npn)
diff --git a/test/core/bad_ssl/servers/cert.c b/test/core/bad_ssl/servers/cert.c
index d67a6ca1d4..bd11efd314 100644
--- a/test/core/bad_ssl/servers/cert.c
+++ b/test/core/bad_ssl/servers/cert.c
@@ -38,9 +38,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/file.h"
+#include "src/core/lib/support/load_file.h"
 
-#include "test/core/bad_ssl/server.h"
+#include "test/core/bad_ssl/server_common.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 
 /* This server will present an untrusted cert to the connecting client,
@@ -56,9 +56,11 @@ int main(int argc, char **argv) {
 
   grpc_init();
 
-  cert_slice = gpr_load_file("src/core/tsi/test_creds/badserver.pem", 1, &ok);
+  cert_slice =
+      gpr_load_file("src/core/lib/tsi/test_creds/badserver.pem", 1, &ok);
   GPR_ASSERT(ok);
-  key_slice = gpr_load_file("src/core/tsi/test_creds/badserver.key", 1, &ok);
+  key_slice =
+      gpr_load_file("src/core/lib/tsi/test_creds/badserver.key", 1, &ok);
   GPR_ASSERT(ok);
   pem_key_cert_pair.private_key = (const char *)GPR_SLICE_START_PTR(key_slice);
   pem_key_cert_pair.cert_chain = (const char *)GPR_SLICE_START_PTR(cert_slice);
diff --git a/test/core/census/context_test.c b/test/core/census/context_test.c
index 63e7103ddc..e7a65380fb 100644
--- a/test/core/census/context_test.c
+++ b/test/core/census/context_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,60 +42,48 @@
 #include <string.h>
 #include "test/core/util/test_config.h"
 
-static uint8_t one_byte_val = 7;
-static uint32_t four_byte_val = 0x12345678;
-static uint64_t eight_byte_val = 0x1234567890abcdef;
-
-// A set of tags Used to create a basic context for testing. Each tag has a
-// unique set of flags. Note that replace_add_delete_test() relies on specific
-// offsets into this array - if you add or delete entries, you will also need
-// to change the test.
+// A set of tags Used to create a basic context for testing. Note that
+// replace_add_delete_test() relies on specific offsets into this array - if
+// you add or delete entries, you will also need to change the test.
 #define BASIC_TAG_COUNT 8
 static census_tag basic_tags[BASIC_TAG_COUNT] = {
-    /* 0 */ {"key0", "printable", 10, 0},
-    /* 1 */ {"k1", "a", 2, CENSUS_TAG_PROPAGATE},
-    /* 2 */ {"k2", "longer printable string", 24, CENSUS_TAG_STATS},
-    /* 3 */ {"key_three", (char *)&one_byte_val, 1, CENSUS_TAG_BINARY},
-    /* 4 */ {"really_long_key_4", "random", 7,
+    /* 0 */ {"key0", "tag value", 0},
+    /* 1 */ {"k1", "a", CENSUS_TAG_PROPAGATE},
+    /* 2 */ {"k2", "a longer tag value supercalifragilisticexpialiadocious",
+             CENSUS_TAG_STATS},
+    /* 3 */ {"key_three", "", 0},
+    /* 4 */ {"a_really_really_really_really_long_key_4", "random",
              CENSUS_TAG_PROPAGATE | CENSUS_TAG_STATS},
-    /* 5 */ {"k5", (char *)&four_byte_val, 4,
-             CENSUS_TAG_PROPAGATE | CENSUS_TAG_BINARY},
-    /* 6 */ {"k6", (char *)&eight_byte_val, 8,
-             CENSUS_TAG_STATS | CENSUS_TAG_BINARY},
-    /* 7 */ {"k7", (char *)&four_byte_val, 4,
-             CENSUS_TAG_PROPAGATE | CENSUS_TAG_STATS | CENSUS_TAG_BINARY}};
+    /* 5 */ {"k5", "v5", CENSUS_TAG_PROPAGATE},
+    /* 6 */ {"k6", "v6", CENSUS_TAG_STATS},
+    /* 7 */ {"k7", "v7", CENSUS_TAG_PROPAGATE | CENSUS_TAG_STATS}};
 
 // Set of tags used to modify the basic context. Note that
 // replace_add_delete_test() relies on specific offsets into this array - if
 // you add or delete entries, you will also need to change the test. Other
 // tests that rely on specific instances have XXX_XXX_OFFSET definitions (also
 // change the defines below if you add/delete entires).
-#define MODIFY_TAG_COUNT 11
+#define MODIFY_TAG_COUNT 10
 static census_tag modify_tags[MODIFY_TAG_COUNT] = {
 #define REPLACE_VALUE_OFFSET 0
-    /* 0 */ {"key0", "replace printable", 18, 0},  // replaces tag value only
+    /* 0 */ {"key0", "replace key0", 0},  // replaces tag value only
 #define ADD_TAG_OFFSET 1
-    /* 1 */ {"new_key", "xyzzy", 6, CENSUS_TAG_STATS},  // new tag
+    /* 1 */ {"new_key", "xyzzy", CENSUS_TAG_STATS},  // new tag
 #define DELETE_TAG_OFFSET 2
-    /* 2 */ {"k5", NULL, 5,
-             0},  // should delete tag, despite bogus value length
-    /* 3 */ {"k6", "foo", 0, 0},  // should delete tag, despite bogus value
-    /* 4 */ {"k6", "foo", 0, 0},  // try deleting already-deleted tag
-    /* 5 */ {"non-existent", NULL, 0, 0},  // another non-existent tag
-#define REPLACE_FLAG_OFFSET 6
-    /* 6 */ {"k1", "a", 2, 0},                   // change flags only
-    /* 7 */ {"k7", "bar", 4, CENSUS_TAG_STATS},  // change flags and value
-    /* 8 */ {"k2", (char *)&eight_byte_val, 8,
-             CENSUS_TAG_BINARY | CENSUS_TAG_PROPAGATE},  // more flags change
-                                                         // non-binary -> binary
-    /* 9 */ {"k6", "bar", 4, 0},  // add back tag, with different value
-    /* 10 */ {"foo", "bar", 4, CENSUS_TAG_PROPAGATE},  // another new tag
+    /* 2 */ {"k5", NULL, 0},            // should delete tag
+    /* 3 */ {"k5", NULL, 0},            // try deleting already-deleted tag
+    /* 4 */ {"non-existent", NULL, 0},  // delete non-existent tag
+#define REPLACE_FLAG_OFFSET 5
+    /* 5 */ {"k1", "a", 0},                    // change flags only
+    /* 6 */ {"k7", "bar", CENSUS_TAG_STATS},   // change flags and value
+    /* 7 */ {"k2", "", CENSUS_TAG_PROPAGATE},  // more value and flags change
+    /* 8 */ {"k5", "bar", 0},  // add back tag, with different value
+    /* 9 */ {"foo", "bar", CENSUS_TAG_PROPAGATE},  // another new tag
 };
 
 // Utility function to compare tags. Returns true if all fields match.
 static bool compare_tag(const census_tag *t1, const census_tag *t2) {
-  return (strcmp(t1->key, t2->key) == 0 && t1->value_len == t2->value_len &&
-          memcmp(t1->value, t2->value, t1->value_len) == 0 &&
+  return (strcmp(t1->key, t2->key) == 0 && strcmp(t1->value, t2->value) == 0 &&
           t1->flags == t2->flags);
 }
 
@@ -111,7 +99,7 @@ static void empty_test(void) {
   struct census_context *context = census_context_create(NULL, NULL, 0, NULL);
   GPR_ASSERT(context != NULL);
   const census_context_status *status = census_context_get_status(context);
-  census_context_status expected = {0, 0, 0, 0, 0, 0, 0, 0};
+  census_context_status expected = {0, 0, 0, 0, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
 }
@@ -121,7 +109,7 @@ static void basic_test(void) {
   const census_context_status *status;
   struct census_context *context =
       census_context_create(NULL, basic_tags, BASIC_TAG_COUNT, &status);
-  census_context_status expected = {2, 2, 4, 0, 8, 0, 0, 0};
+  census_context_status expected = {4, 4, 0, 8, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_iterator it;
   census_context_initialize_iterator(context, &it);
@@ -161,15 +149,18 @@ static void invalid_test(void) {
   memset(key, 'k', 299);
   key[299] = 0;
   char value[300];
-  memset(value, 'v', 300);
-  census_tag tag = {key, value, 3, CENSUS_TAG_BINARY};
+  memset(value, 'v', 299);
+  value[299] = 0;
+  census_tag tag = {key, value, 0};
   // long keys, short value. Key lengths (including terminator) should be
   // <= 255 (CENSUS_MAX_TAG_KV_LEN)
+  value[3] = 0;
+  GPR_ASSERT(strlen(value) == 3);
   GPR_ASSERT(strlen(key) == 299);
   const census_context_status *status;
   struct census_context *context =
       census_context_create(NULL, &tag, 1, &status);
-  census_context_status expected = {0, 0, 0, 0, 0, 0, 1, 0};
+  census_context_status expected = {0, 0, 0, 0, 0, 1, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
   key[CENSUS_MAX_TAG_KV_LEN] = 0;
@@ -180,24 +171,44 @@ static void invalid_test(void) {
   key[CENSUS_MAX_TAG_KV_LEN - 1] = 0;
   GPR_ASSERT(strlen(key) == CENSUS_MAX_TAG_KV_LEN - 1);
   context = census_context_create(NULL, &tag, 1, &status);
-  census_context_status expected2 = {0, 0, 1, 0, 1, 0, 0, 0};
+  census_context_status expected2 = {0, 1, 0, 1, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected2, sizeof(expected2)) == 0);
   census_context_destroy(context);
   // now try with long values
-  tag.value_len = 300;
+  value[3] = 'v';
+  GPR_ASSERT(strlen(value) == 299);
   context = census_context_create(NULL, &tag, 1, &status);
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
-  tag.value_len = CENSUS_MAX_TAG_KV_LEN + 1;
+  value[CENSUS_MAX_TAG_KV_LEN] = 0;
+  GPR_ASSERT(strlen(value) == CENSUS_MAX_TAG_KV_LEN);
   context = census_context_create(NULL, &tag, 1, &status);
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
-  tag.value_len = CENSUS_MAX_TAG_KV_LEN;
+  value[CENSUS_MAX_TAG_KV_LEN - 1] = 0;
+  GPR_ASSERT(strlen(value) == CENSUS_MAX_TAG_KV_LEN - 1);
   context = census_context_create(NULL, &tag, 1, &status);
   GPR_ASSERT(memcmp(status, &expected2, sizeof(expected2)) == 0);
   census_context_destroy(context);
   // 0 length key.
   key[0] = 0;
+  GPR_ASSERT(strlen(key) == 0);
+  context = census_context_create(NULL, &tag, 1, &status);
+  GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
+  census_context_destroy(context);
+  // invalid key character
+  key[0] = 31;  // 32 (' ') is the first valid character value
+  key[1] = 0;
+  GPR_ASSERT(strlen(key) == 1);
+  context = census_context_create(NULL, &tag, 1, &status);
+  GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
+  census_context_destroy(context);
+  // invalid value character
+  key[0] = ' ';
+  value[5] = 127;  // 127 (DEL) is ('~' + 1)
+  value[8] = 0;
+  GPR_ASSERT(strlen(key) == 1);
+  GPR_ASSERT(strlen(value) == 8);
   context = census_context_create(NULL, &tag, 1, &status);
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_context_destroy(context);
@@ -210,7 +221,7 @@ static void copy_test(void) {
   const census_context_status *status;
   struct census_context *context2 =
       census_context_create(context, NULL, 0, &status);
-  census_context_status expected = {2, 2, 4, 0, 0, 0, 0, 0};
+  census_context_status expected = {4, 4, 0, 0, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   for (int i = 0; i < BASIC_TAG_COUNT; i++) {
     census_tag tag;
@@ -228,7 +239,7 @@ static void replace_value_test(void) {
   const census_context_status *status;
   struct census_context *context2 = census_context_create(
       context, modify_tags + REPLACE_VALUE_OFFSET, 1, &status);
-  census_context_status expected = {2, 2, 4, 0, 0, 1, 0, 0};
+  census_context_status expected = {4, 4, 0, 0, 1, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_tag tag;
   GPR_ASSERT(census_context_get_tag(
@@ -245,7 +256,7 @@ static void replace_flags_test(void) {
   const census_context_status *status;
   struct census_context *context2 = census_context_create(
       context, modify_tags + REPLACE_FLAG_OFFSET, 1, &status);
-  census_context_status expected = {1, 2, 5, 0, 0, 1, 0, 0};
+  census_context_status expected = {3, 5, 0, 0, 1, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_tag tag;
   GPR_ASSERT(census_context_get_tag(
@@ -262,7 +273,7 @@ static void delete_tag_test(void) {
   const census_context_status *status;
   struct census_context *context2 = census_context_create(
       context, modify_tags + DELETE_TAG_OFFSET, 1, &status);
-  census_context_status expected = {2, 1, 4, 1, 0, 0, 0, 0};
+  census_context_status expected = {3, 4, 1, 0, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_tag tag;
   GPR_ASSERT(census_context_get_tag(
@@ -278,7 +289,7 @@ static void add_tag_test(void) {
   const census_context_status *status;
   struct census_context *context2 =
       census_context_create(context, modify_tags + ADD_TAG_OFFSET, 1, &status);
-  census_context_status expected = {2, 2, 5, 0, 1, 0, 0, 0};
+  census_context_status expected = {4, 5, 0, 1, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   census_tag tag;
   GPR_ASSERT(census_context_get_tag(context2, modify_tags[ADD_TAG_OFFSET].key,
@@ -295,24 +306,24 @@ static void replace_add_delete_test(void) {
   const census_context_status *status;
   struct census_context *context2 =
       census_context_create(context, modify_tags, MODIFY_TAG_COUNT, &status);
-  census_context_status expected = {2, 1, 6, 2, 3, 4, 0, 2};
+  census_context_status expected = {3, 7, 1, 3, 4, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   // validate context contents. Use specific indices into the two arrays
   // holding tag values.
   GPR_ASSERT(validate_tag(context2, &basic_tags[3]));
   GPR_ASSERT(validate_tag(context2, &basic_tags[4]));
+  GPR_ASSERT(validate_tag(context2, &basic_tags[6]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[0]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[1]));
+  GPR_ASSERT(validate_tag(context2, &modify_tags[5]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[6]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[7]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[8]));
   GPR_ASSERT(validate_tag(context2, &modify_tags[9]));
-  GPR_ASSERT(validate_tag(context2, &modify_tags[10]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[0]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[1]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[2]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[5]));
-  GPR_ASSERT(!validate_tag(context2, &basic_tags[6]));
   GPR_ASSERT(!validate_tag(context2, &basic_tags[7]));
   census_context_destroy(context);
   census_context_destroy(context2);
@@ -325,21 +336,15 @@ static void encode_decode_test(void) {
   char buffer[BUF_SIZE];
   struct census_context *context =
       census_context_create(NULL, basic_tags, BASIC_TAG_COUNT, NULL);
-  size_t print_bsize;
-  size_t bin_bsize;
   // Test with too small a buffer
-  GPR_ASSERT(census_context_encode(context, buffer, 2, &print_bsize,
-                                   &bin_bsize) == NULL);
-  char *b_buffer = census_context_encode(context, buffer, BUF_SIZE,
-                                         &print_bsize, &bin_bsize);
-  GPR_ASSERT(b_buffer != NULL && print_bsize > 0 && bin_bsize > 0 &&
-             print_bsize + bin_bsize <= BUF_SIZE &&
-             b_buffer == buffer + print_bsize);
-  census_context *context2 =
-      census_context_decode(buffer, print_bsize, b_buffer, bin_bsize);
+  GPR_ASSERT(census_context_encode(context, buffer, 2) == 0);
+  // Test with sufficient buffer
+  size_t buf_used = census_context_encode(context, buffer, BUF_SIZE);
+  GPR_ASSERT(buf_used != 0);
+  census_context *context2 = census_context_decode(buffer, buf_used);
   GPR_ASSERT(context2 != NULL);
   const census_context_status *status = census_context_get_status(context2);
-  census_context_status expected = {2, 2, 0, 0, 0, 0, 0, 0};
+  census_context_status expected = {4, 0, 0, 0, 0, 0, 0};
   GPR_ASSERT(memcmp(status, &expected, sizeof(expected)) == 0);
   for (int i = 0; i < BASIC_TAG_COUNT; i++) {
     census_tag tag;
diff --git a/test/core/census/mlog_test.c b/test/core/census/mlog_test.c
new file mode 100644
index 0000000000..36e8a492fd
--- /dev/null
+++ b/test/core/census/mlog_test.c
@@ -0,0 +1,589 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/census/mlog.h"
+#include <grpc/support/cpu.h>
+#include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "test/core/util/test_config.h"
+
+// Change this to non-zero if you want more output.
+#define VERBOSE 0
+
+// Log size to use for all tests.
+#define LOG_SIZE_IN_MB 1
+#define LOG_SIZE_IN_BYTES (LOG_SIZE_IN_MB << 20)
+
+// Fills in 'record' of size 'size'. Each byte in record is filled in with the
+// same value. The value is extracted from 'record' pointer.
+static void write_record(char* record, size_t size) {
+  char data = (char)((uintptr_t)record % 255);
+  memset(record, data, size);
+}
+
+// Reads fixed size records. Returns the number of records read in
+// 'num_records'.
+static void read_records(size_t record_size, const char* buffer,
+                         size_t buffer_size, int* num_records) {
+  GPR_ASSERT(buffer_size >= record_size);
+  GPR_ASSERT(buffer_size % record_size == 0);
+  *num_records = (int)(buffer_size / record_size);
+  for (int i = 0; i < *num_records; ++i) {
+    const char* record = buffer + (record_size * (size_t)i);
+    char data = (char)((uintptr_t)record % 255);
+    for (size_t j = 0; j < record_size; ++j) {
+      GPR_ASSERT(data == record[j]);
+    }
+  }
+}
+
+// Tries to write the specified number of records. Stops when the log gets
+// full. Returns the number of records written. Spins for random
+// number of times, up to 'max_spin_count', between writes.
+static int write_records_to_log(int writer_id, size_t record_size,
+                                int num_records, int max_spin_count) {
+  int counter = 0;
+  for (int i = 0; i < num_records; ++i) {
+    int spin_count = max_spin_count ? rand() % max_spin_count : 0;
+    if (VERBOSE && (counter++ == num_records / 10)) {
+      printf("   Writer %d: %d out of %d written\n", writer_id, i, num_records);
+      counter = 0;
+    }
+    char* record = (char*)(census_log_start_write(record_size));
+    if (record == NULL) {
+      return i;
+    }
+    write_record(record, record_size);
+    census_log_end_write(record, record_size);
+    for (int j = 0; j < spin_count; ++j) {
+      GPR_ASSERT(j >= 0);
+    }
+  }
+  return num_records;
+}
+
+// Performs a single read iteration. Returns the number of records read.
+static int perform_read_iteration(size_t record_size) {
+  const void* read_buffer = NULL;
+  size_t bytes_available;
+  int records_read = 0;
+  census_log_init_reader();
+  while ((read_buffer = census_log_read_next(&bytes_available))) {
+    int num_records = 0;
+    read_records(record_size, (const char*)read_buffer, bytes_available,
+                 &num_records);
+    records_read += num_records;
+  }
+  return records_read;
+}
+
+// Asserts that the log is empty.
+static void assert_log_empty(void) {
+  census_log_init_reader();
+  size_t bytes_available;
+  GPR_ASSERT(census_log_read_next(&bytes_available) == NULL);
+}
+
+// Fills the log and verifies data. If 'no fragmentation' is true, records
+// are sized such that CENSUS_LOG_2_MAX_RECORD_SIZE is a multiple of record
+// size. If not a circular log, verifies that the number of records written
+// match the number of records read.
+static void fill_log(size_t log_size, int no_fragmentation, int circular_log) {
+  size_t size;
+  if (no_fragmentation) {
+    int log2size = rand() % (CENSUS_LOG_2_MAX_RECORD_SIZE + 1);
+    size = ((size_t)1 << log2size);
+  } else {
+    while (1) {
+      size = 1 + ((size_t)rand() % CENSUS_LOG_MAX_RECORD_SIZE);
+      if (CENSUS_LOG_MAX_RECORD_SIZE % size) {
+        break;
+      }
+    }
+  }
+  int records_written =
+      write_records_to_log(0 /* writer id */, size,
+                           (int)((log_size / size) * 2), 0 /* spin count */);
+  int records_read = perform_read_iteration(size);
+  if (!circular_log) {
+    GPR_ASSERT(records_written == records_read);
+  }
+  assert_log_empty();
+}
+
+// Structure to pass args to writer_thread
+typedef struct writer_thread_args {
+  // Index of this thread in the writers vector.
+  int index;
+  // Record size.
+  size_t record_size;
+  // Number of records to write.
+  int num_records;
+  // Used to signal when writer is complete
+  gpr_cv* done;
+  gpr_mu* mu;
+  int* count;
+} writer_thread_args;
+
+// Writes the given number of records of random size (up to kMaxRecordSize) and
+// random data to the specified log.
+static void writer_thread(void* arg) {
+  writer_thread_args* args = (writer_thread_args*)arg;
+  // Maximum number of times to spin between writes.
+  static const int MAX_SPIN_COUNT = 50;
+  int records_written = 0;
+  if (VERBOSE) {
+    printf("   Writer %d starting\n", args->index);
+  }
+  while (records_written < args->num_records) {
+    records_written += write_records_to_log(args->index, args->record_size,
+                                            args->num_records - records_written,
+                                            MAX_SPIN_COUNT);
+    if (records_written < args->num_records) {
+      // Ran out of log space. Sleep for a bit and let the reader catch up.
+      // This should never happen for circular logs.
+      if (VERBOSE) {
+        printf(
+            "   Writer %d stalled due to out-of-space: %d out of %d "
+            "written\n",
+            args->index, records_written, args->num_records);
+      }
+      gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
+    }
+  }
+  // Done. Decrement count and signal.
+  gpr_mu_lock(args->mu);
+  (*args->count)--;
+  gpr_cv_signal(args->done);
+  if (VERBOSE) {
+    printf("   Writer %d done\n", args->index);
+  }
+  gpr_mu_unlock(args->mu);
+}
+
+// struct to pass args to reader_thread
+typedef struct reader_thread_args {
+  // Record size.
+  size_t record_size;
+  // Interval between read iterations.
+  int read_iteration_interval_in_msec;
+  // Total number of records.
+  int total_records;
+  // Signalled when reader should stop.
+  gpr_cv stop;
+  int stop_flag;
+  // Used to signal when reader has finished
+  gpr_cv* done;
+  gpr_mu* mu;
+  int running;
+} reader_thread_args;
+
+// Reads and verifies the specified number of records. Reader can also be
+// stopped via gpr_cv_signal(&args->stop). Sleeps for 'read_interval_in_msec'
+// between read iterations.
+static void reader_thread(void* arg) {
+  reader_thread_args* args = (reader_thread_args*)arg;
+  if (VERBOSE) {
+    printf("   Reader starting\n");
+  }
+  gpr_timespec interval = gpr_time_from_micros(
+      args->read_iteration_interval_in_msec * 1000, GPR_TIMESPAN);
+  gpr_mu_lock(args->mu);
+  int records_read = 0;
+  int num_iterations = 0;
+  int counter = 0;
+  while (!args->stop_flag && records_read < args->total_records) {
+    gpr_cv_wait(&args->stop, args->mu, interval);
+    if (!args->stop_flag) {
+      records_read += perform_read_iteration(args->record_size);
+      GPR_ASSERT(records_read <= args->total_records);
+      if (VERBOSE && (counter++ == 100000)) {
+        printf("   Reader: %d out of %d read\n", records_read,
+               args->total_records);
+        counter = 0;
+      }
+      ++num_iterations;
+    }
+  }
+  // Done
+  args->running = 0;
+  gpr_cv_signal(args->done);
+  if (VERBOSE) {
+    printf("   Reader: records: %d, iterations: %d\n", records_read,
+           num_iterations);
+  }
+  gpr_mu_unlock(args->mu);
+}
+
+// Creates NUM_WRITERS writers where each writer writes NUM_RECORDS_PER_WRITER
+// records. Also, starts a reader that iterates over and reads blocks every
+// READ_ITERATION_INTERVAL_IN_MSEC.
+// Number of writers.
+#define NUM_WRITERS 5
+static void multiple_writers_single_reader(int circular_log) {
+  // Sleep interval between read iterations.
+  static const int READ_ITERATION_INTERVAL_IN_MSEC = 10;
+  // Maximum record size.
+  static const size_t MAX_RECORD_SIZE = 20;
+  // Number of records written by each writer. This is sized such that we
+  // will write through the entire log ~10 times.
+  const int NUM_RECORDS_PER_WRITER =
+      (int)((10 * census_log_remaining_space()) / (MAX_RECORD_SIZE / 2)) /
+      NUM_WRITERS;
+  size_t record_size = ((size_t)rand() % MAX_RECORD_SIZE) + 1;
+  // Create and start writers.
+  writer_thread_args writers[NUM_WRITERS];
+  int writers_count = NUM_WRITERS;
+  gpr_cv writers_done;
+  gpr_mu writers_mu;  // protects writers_done and writers_count
+  gpr_cv_init(&writers_done);
+  gpr_mu_init(&writers_mu);
+  gpr_thd_id id;
+  for (int i = 0; i < NUM_WRITERS; ++i) {
+    writers[i].index = i;
+    writers[i].record_size = record_size;
+    writers[i].num_records = NUM_RECORDS_PER_WRITER;
+    writers[i].done = &writers_done;
+    writers[i].count = &writers_count;
+    writers[i].mu = &writers_mu;
+    gpr_thd_new(&id, &writer_thread, &writers[i], NULL);
+  }
+  // Start reader.
+  gpr_cv reader_done;
+  gpr_mu reader_mu;  // protects reader_done and reader.running
+  reader_thread_args reader;
+  reader.record_size = record_size;
+  reader.read_iteration_interval_in_msec = READ_ITERATION_INTERVAL_IN_MSEC;
+  reader.total_records = NUM_WRITERS * NUM_RECORDS_PER_WRITER;
+  reader.stop_flag = 0;
+  gpr_cv_init(&reader.stop);
+  gpr_cv_init(&reader_done);
+  reader.done = &reader_done;
+  gpr_mu_init(&reader_mu);
+  reader.mu = &reader_mu;
+  reader.running = 1;
+  gpr_thd_new(&id, &reader_thread, &reader, NULL);
+  // Wait for writers to finish.
+  gpr_mu_lock(&writers_mu);
+  while (writers_count != 0) {
+    gpr_cv_wait(&writers_done, &writers_mu, gpr_inf_future(GPR_CLOCK_REALTIME));
+  }
+  gpr_mu_unlock(&writers_mu);
+  gpr_mu_destroy(&writers_mu);
+  gpr_cv_destroy(&writers_done);
+  gpr_mu_lock(&reader_mu);
+  if (circular_log) {
+    // Stop reader.
+    reader.stop_flag = 1;
+    gpr_cv_signal(&reader.stop);
+  }
+  // wait for reader to finish
+  while (reader.running) {
+    gpr_cv_wait(&reader_done, &reader_mu, gpr_inf_future(GPR_CLOCK_REALTIME));
+  }
+  if (circular_log) {
+    // Assert that there were no out-of-space errors.
+    GPR_ASSERT(0 == census_log_out_of_space_count());
+  }
+  gpr_mu_unlock(&reader_mu);
+  gpr_mu_destroy(&reader_mu);
+  gpr_cv_destroy(&reader_done);
+  if (VERBOSE) {
+    printf("   Reader: finished\n");
+  }
+}
+
+static void setup_test(int circular_log) {
+  census_log_initialize(LOG_SIZE_IN_MB, circular_log);
+  //  GPR_ASSERT(census_log_remaining_space() == LOG_SIZE_IN_BYTES);
+}
+
+// Attempts to create a record of invalid size (size >
+// CENSUS_LOG_MAX_RECORD_SIZE).
+void test_invalid_record_size(void) {
+  static const size_t INVALID_SIZE = CENSUS_LOG_MAX_RECORD_SIZE + 1;
+  static const size_t VALID_SIZE = 1;
+  printf("Starting test: invalid record size\n");
+  setup_test(0);
+  void* record = census_log_start_write(INVALID_SIZE);
+  GPR_ASSERT(record == NULL);
+  // Now try writing a valid record.
+  record = census_log_start_write(VALID_SIZE);
+  GPR_ASSERT(record != NULL);
+  census_log_end_write(record, VALID_SIZE);
+  // Verifies that available space went down by one block. In theory, this
+  // check can fail if the thread is context switched to a new CPU during the
+  // start_write execution (multiple blocks get allocated), but this has not
+  // been observed in practice.
+  //  GPR_ASSERT(LOG_SIZE_IN_BYTES - CENSUS_LOG_MAX_RECORD_SIZE ==
+  //             census_log_remaining_space());
+  census_log_shutdown();
+}
+
+// Tests end_write() with a different size than what was specified in
+// start_write().
+void test_end_write_with_different_size(void) {
+  static const size_t START_WRITE_SIZE = 10;
+  static const size_t END_WRITE_SIZE = 7;
+  printf("Starting test: end write with different size\n");
+  setup_test(0);
+  void* record_written = census_log_start_write(START_WRITE_SIZE);
+  GPR_ASSERT(record_written != NULL);
+  census_log_end_write(record_written, END_WRITE_SIZE);
+  census_log_init_reader();
+  size_t bytes_available;
+  const void* record_read = census_log_read_next(&bytes_available);
+  GPR_ASSERT(record_written == record_read);
+  GPR_ASSERT(END_WRITE_SIZE == bytes_available);
+  assert_log_empty();
+  census_log_shutdown();
+}
+
+// Verifies that pending records are not available via read_next().
+void test_read_pending_record(void) {
+  static const size_t PR_RECORD_SIZE = 1024;
+  printf("Starting test: read pending record\n");
+  setup_test(0);
+  // Start a write.
+  void* record_written = census_log_start_write(PR_RECORD_SIZE);
+  GPR_ASSERT(record_written != NULL);
+  // As write is pending, read should fail.
+  census_log_init_reader();
+  size_t bytes_available;
+  const void* record_read = census_log_read_next(&bytes_available);
+  GPR_ASSERT(record_read == NULL);
+  // A read followed by end_write() should succeed.
+  census_log_end_write(record_written, PR_RECORD_SIZE);
+  census_log_init_reader();
+  record_read = census_log_read_next(&bytes_available);
+  GPR_ASSERT(record_written == record_read);
+  GPR_ASSERT(PR_RECORD_SIZE == bytes_available);
+  assert_log_empty();
+  census_log_shutdown();
+}
+
+// Tries reading beyond pending write.
+void test_read_beyond_pending_record(void) {
+  printf("Starting test: read beyond pending record\n");
+  setup_test(0);
+  // Start a write.
+  const size_t incomplete_record_size = 10;
+  void* incomplete_record = census_log_start_write(incomplete_record_size);
+  GPR_ASSERT(incomplete_record != NULL);
+  const size_t complete_record_size = 20;
+  void* complete_record = census_log_start_write(complete_record_size);
+  GPR_ASSERT(complete_record != NULL);
+  GPR_ASSERT(complete_record != incomplete_record);
+  census_log_end_write(complete_record, complete_record_size);
+  // Now iterate over blocks to read completed records.
+  census_log_init_reader();
+  size_t bytes_available;
+  const void* record_read = census_log_read_next(&bytes_available);
+  GPR_ASSERT(complete_record == record_read);
+  GPR_ASSERT(complete_record_size == bytes_available);
+  // Complete first record.
+  census_log_end_write(incomplete_record, incomplete_record_size);
+  // Have read past the incomplete record, so read_next() should return NULL.
+  // NB: this test also assumes our thread did not get switched to a different
+  // CPU between the two start_write calls
+  record_read = census_log_read_next(&bytes_available);
+  GPR_ASSERT(record_read == NULL);
+  // Reset reader to get the newly completed record.
+  census_log_init_reader();
+  record_read = census_log_read_next(&bytes_available);
+  GPR_ASSERT(incomplete_record == record_read);
+  GPR_ASSERT(incomplete_record_size == bytes_available);
+  assert_log_empty();
+  census_log_shutdown();
+}
+
+// Tests scenario where block being read is detached from a core and put on the
+// dirty list.
+void test_detached_while_reading(void) {
+  printf("Starting test: detached while reading\n");
+  setup_test(0);
+  // Start a write.
+  static const size_t DWR_RECORD_SIZE = 10;
+  void* record_written = census_log_start_write(DWR_RECORD_SIZE);
+  GPR_ASSERT(record_written != NULL);
+  census_log_end_write(record_written, DWR_RECORD_SIZE);
+  // Read this record.
+  census_log_init_reader();
+  size_t bytes_available;
+  const void* record_read = census_log_read_next(&bytes_available);
+  GPR_ASSERT(record_read != NULL);
+  GPR_ASSERT(DWR_RECORD_SIZE == bytes_available);
+  // Now fill the log. This will move the block being read from core-local
+  // array to the dirty list.
+  while ((record_written = census_log_start_write(DWR_RECORD_SIZE))) {
+    census_log_end_write(record_written, DWR_RECORD_SIZE);
+  }
+
+  // In this iteration, read_next() should only traverse blocks in the
+  // core-local array. Therefore, we expect at most gpr_cpu_num_cores() more
+  // blocks. As log is full, if read_next() is traversing the dirty list, we
+  // will get more than gpr_cpu_num_cores() blocks.
+  int block_read = 0;
+  while ((record_read = census_log_read_next(&bytes_available))) {
+    ++block_read;
+    GPR_ASSERT(block_read <= (int)gpr_cpu_num_cores());
+  }
+  census_log_shutdown();
+}
+
+// Fills non-circular log with records sized such that size is a multiple of
+// CENSUS_LOG_MAX_RECORD_SIZE (no per-block fragmentation).
+void test_fill_log_no_fragmentation(void) {
+  printf("Starting test: fill log no fragmentation\n");
+  const int circular = 0;
+  setup_test(circular);
+  fill_log(LOG_SIZE_IN_BYTES, 1 /* no fragmentation */, circular);
+  census_log_shutdown();
+}
+
+// Fills circular log with records sized such that size is a multiple of
+// CENSUS_LOG_MAX_RECORD_SIZE (no per-block fragmentation).
+void test_fill_circular_log_no_fragmentation(void) {
+  printf("Starting test: fill circular log no fragmentation\n");
+  const int circular = 1;
+  setup_test(circular);
+  fill_log(LOG_SIZE_IN_BYTES, 1 /* no fragmentation */, circular);
+  census_log_shutdown();
+}
+
+// Fills non-circular log with records that may straddle end of a block.
+void test_fill_log_with_straddling_records(void) {
+  printf("Starting test: fill log with straddling records\n");
+  const int circular = 0;
+  setup_test(circular);
+  fill_log(LOG_SIZE_IN_BYTES, 0 /* block straddling records */, circular);
+  census_log_shutdown();
+}
+
+// Fills circular log with records that may straddle end of a block.
+void test_fill_circular_log_with_straddling_records(void) {
+  printf("Starting test: fill circular log with straddling records\n");
+  const int circular = 1;
+  setup_test(circular);
+  fill_log(LOG_SIZE_IN_BYTES, 0 /* block straddling records */, circular);
+  census_log_shutdown();
+}
+
+// Tests scenario where multiple writers and a single reader are using a log
+// that is configured to discard old records.
+void test_multiple_writers_circular_log(void) {
+  printf("Starting test: multiple writers circular log\n");
+  const int circular = 1;
+  setup_test(circular);
+  multiple_writers_single_reader(circular);
+  census_log_shutdown();
+}
+
+// Tests scenario where multiple writers and a single reader are using a log
+// that is configured to discard old records.
+void test_multiple_writers(void) {
+  printf("Starting test: multiple writers\n");
+  const int circular = 0;
+  setup_test(circular);
+  multiple_writers_single_reader(circular);
+  census_log_shutdown();
+}
+
+// Repeat the straddling records and multiple writers tests with a small log.
+void test_small_log(void) {
+  printf("Starting test: small log\n");
+  const int circular = 0;
+  census_log_initialize(0, circular);
+  size_t log_size = census_log_remaining_space();
+  GPR_ASSERT(log_size > 0);
+  fill_log(log_size, 0, circular);
+  census_log_shutdown();
+  census_log_initialize(0, circular);
+  multiple_writers_single_reader(circular);
+  census_log_shutdown();
+}
+
+void test_performance(void) {
+  for (size_t write_size = 1; write_size < CENSUS_LOG_MAX_RECORD_SIZE;
+       write_size *= 2) {
+    setup_test(0);
+    gpr_timespec start_time = gpr_now(GPR_CLOCK_REALTIME);
+    int nrecords = 0;
+    while (1) {
+      void* record = census_log_start_write(write_size);
+      if (record == NULL) {
+        break;
+      }
+      census_log_end_write(record, write_size);
+      nrecords++;
+    }
+    gpr_timespec write_time =
+        gpr_time_sub(gpr_now(GPR_CLOCK_REALTIME), start_time);
+    double write_time_micro =
+        (double)write_time.tv_sec * 1000000 + (double)write_time.tv_nsec / 1000;
+    census_log_shutdown();
+    printf(
+        "Wrote %d %d byte records in %.3g microseconds: %g records/us "
+        "(%g ns/record), %g gigabytes/s\n",
+        nrecords, (int)write_size, write_time_micro,
+        nrecords / write_time_micro, 1000 * write_time_micro / nrecords,
+        (double)((int)write_size * nrecords) / write_time_micro / 1000);
+  }
+}
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  gpr_time_init();
+  srand((unsigned)gpr_now(GPR_CLOCK_REALTIME).tv_nsec);
+  test_invalid_record_size();
+  test_end_write_with_different_size();
+  test_read_pending_record();
+  test_read_beyond_pending_record();
+  test_detached_while_reading();
+  test_fill_log_no_fragmentation();
+  test_fill_circular_log_no_fragmentation();
+  test_fill_log_with_straddling_records();
+  test_fill_circular_log_with_straddling_records();
+  test_small_log();
+  test_multiple_writers();
+  test_multiple_writers_circular_log();
+  test_performance();
+  return 0;
+}
diff --git a/test/core/channel/channel_args_test.c b/test/core/channel/channel_args_test.c
index 0b74dee41e..c7fc25960c 100644
--- a/test/core/channel/channel_args_test.c
+++ b/test/core/channel/channel_args_test.c
@@ -36,7 +36,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/channel/channel_args.h"
+#include "src/core/lib/channel/channel_args.h"
 
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index e19e9a57ae..81e3927a00 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_stack.h"
 
 #include <string.h>
 
@@ -92,10 +92,17 @@ static void free_call(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
 }
 
 static void test_create_channel_stack(void) {
-  const grpc_channel_filter filter = {
-      call_func, channel_func, sizeof(int), call_init_func,
-      grpc_call_stack_ignore_set_pollset, call_destroy_func, sizeof(int),
-      channel_init_func, channel_destroy_func, get_peer, "some_test_filter"};
+  const grpc_channel_filter filter = {call_func,
+                                      channel_func,
+                                      sizeof(int),
+                                      call_init_func,
+                                      grpc_call_stack_ignore_set_pollset,
+                                      call_destroy_func,
+                                      sizeof(int),
+                                      channel_init_func,
+                                      channel_destroy_func,
+                                      get_peer,
+                                      "some_test_filter"};
   const grpc_channel_filter *filters = &filter;
   grpc_channel_stack *channel_stack;
   grpc_call_stack *call_stack;
diff --git a/test/core/client_config/lb_policies_test.c b/test/core/client_config/lb_policies_test.c
index cb99b3da3e..e766672cf5 100644
--- a/test/core/client_config/lb_policies_test.c
+++ b/test/core/client_config/lb_policies_test.c
@@ -41,17 +41,18 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include "src/core/channel/channel_stack.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/client_config/lb_policies/round_robin.h"
-#include "src/core/client_config/lb_policy_registry.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
+#define RETRY_TIMEOUT 300
+
 typedef struct servers_fixture {
   size_t num_servers;
   grpc_server **servers;
@@ -137,8 +138,9 @@ static void kill_server(const servers_fixture *f, size_t i) {
   gpr_log(GPR_INFO, "KILLING SERVER %d", i);
   GPR_ASSERT(f->servers[i] != NULL);
   grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000), n_millis_time(5000),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(
+      grpc_completion_queue_pluck(f->cq, tag(10000), n_millis_time(5000), NULL)
+          .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->servers[i]);
   f->servers[i] = NULL;
 }
@@ -204,8 +206,8 @@ static void teardown_servers(servers_fixture *f) {
     if (f->servers[i] == NULL) continue;
     grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
     GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000),
-                                           n_millis_time(5000),
-                                           NULL).type == GRPC_OP_COMPLETE);
+                                           n_millis_time(5000), NULL)
+                   .type == GRPC_OP_COMPLETE);
     grpc_server_destroy(f->servers[i]);
   }
   grpc_completion_queue_shutdown(f->cq);
@@ -302,9 +304,10 @@ static int *perform_request(servers_fixture *f, grpc_channel *client,
                grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL));
 
     s_idx = -1;
-    while ((ev = grpc_completion_queue_next(
-                f->cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)).type !=
-           GRPC_QUEUE_TIMEOUT) {
+    while (
+        (ev = grpc_completion_queue_next(
+             f->cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10 * RETRY_TIMEOUT), NULL))
+            .type != GRPC_QUEUE_TIMEOUT) {
       GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
       read_tag = ((int)(intptr_t)ev.tag);
       gpr_log(GPR_DEBUG, "EVENT: success:%d, type:%d, tag:%d iter:%d",
@@ -376,9 +379,10 @@ static int *perform_request(servers_fixture *f, grpc_channel *client,
       }
     }
 
-    GPR_ASSERT(grpc_completion_queue_next(f->cq,
-                                          GRPC_TIMEOUT_MILLIS_TO_DEADLINE(200),
-                                          NULL).type == GRPC_QUEUE_TIMEOUT);
+    GPR_ASSERT(
+        grpc_completion_queue_next(
+            f->cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(2 * RETRY_TIMEOUT), NULL)
+            .type == GRPC_QUEUE_TIMEOUT);
 
     grpc_metadata_array_destroy(&rdata->initial_metadata_recv);
     grpc_metadata_array_destroy(&rdata->trailing_metadata_recv);
@@ -506,7 +510,7 @@ void run_spec(const test_spec *spec) {
 
   arg.type = GRPC_ARG_INTEGER;
   arg.key = "grpc.testing.fixed_reconnect_backoff";
-  arg.value.integer = 100;
+  arg.value.integer = RETRY_TIMEOUT;
   args.num_args = 1;
   args.args = &arg;
 
@@ -542,7 +546,7 @@ static grpc_channel *create_client(const servers_fixture *f) {
 
   arg.type = GRPC_ARG_INTEGER;
   arg.key = "grpc.testing.fixed_reconnect_backoff";
-  arg.value.integer = 100;
+  arg.value.integer = RETRY_TIMEOUT;
   args.num_args = 1;
   args.args = &arg;
 
@@ -868,6 +872,7 @@ static void verify_rebirth_round_robin(const servers_fixture *f,
 }
 
 int main(int argc, char **argv) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   test_spec *spec;
   size_t i;
   const size_t NUM_ITERS = 10;
@@ -875,11 +880,11 @@ int main(int argc, char **argv) {
 
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_lb_round_robin_trace = 1;
+  grpc_tracer_set_enabled("round_robin", 1);
 
-  GPR_ASSERT(grpc_lb_policy_create("this-lb-policy-does-not-exist", NULL) ==
-             NULL);
-  GPR_ASSERT(grpc_lb_policy_create(NULL, NULL) == NULL);
+  GPR_ASSERT(grpc_lb_policy_create(&exec_ctx, "this-lb-policy-does-not-exist",
+                                   NULL) == NULL);
+  GPR_ASSERT(grpc_lb_policy_create(&exec_ctx, NULL, NULL) == NULL);
 
   spec = test_spec_create(NUM_ITERS, NUM_SERVERS);
   /* everything is fine, all servers stay up the whole time and life's peachy */
@@ -931,6 +936,7 @@ int main(int argc, char **argv) {
   test_pending_calls(4);
   test_ping();
 
+  grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
   return 0;
 }
diff --git a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
new file mode 100644
index 0000000000..2322aa688a
--- /dev/null
+++ b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
@@ -0,0 +1,155 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "test/core/util/test_config.h"
+
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
+    grpc_subchannel_args *args) {
+  return NULL;
+}
+
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
+
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
+
+static gpr_mu g_mu;
+static bool g_fail_resolution = true;
+
+static grpc_resolved_addresses *my_resolve_address(const char *name,
+                                                   const char *addr) {
+  gpr_mu_lock(&g_mu);
+  GPR_ASSERT(0 == strcmp("test", name));
+  if (g_fail_resolution) {
+    g_fail_resolution = false;
+    gpr_mu_unlock(&g_mu);
+    return NULL;
+  } else {
+    gpr_mu_unlock(&g_mu);
+    grpc_resolved_addresses *addrs = gpr_malloc(sizeof(*addrs));
+    addrs->naddrs = 1;
+    addrs->addrs = gpr_malloc(sizeof(*addrs->addrs));
+    addrs->addrs[0].len = 123;
+    return addrs;
+  }
+}
+
+static grpc_resolver *create_resolver(const char *name) {
+  grpc_resolver_factory *factory = grpc_resolver_factory_lookup("dns");
+  grpc_uri *uri = grpc_uri_parse(name, 0);
+  GPR_ASSERT(uri);
+  grpc_resolver_args args;
+  memset(&args, 0, sizeof(args));
+  args.uri = uri;
+  args.client_channel_factory = &cc_factory;
+  grpc_resolver *resolver =
+      grpc_resolver_factory_create_resolver(factory, &args);
+  grpc_resolver_factory_unref(factory);
+  grpc_uri_destroy(uri);
+  return resolver;
+}
+
+static void on_done(grpc_exec_ctx *exec_ctx, void *ev, bool success) {
+  gpr_event_set(ev, (void *)1);
+}
+
+// interleave waiting for an event with a timer check
+static bool wait_loop(int deadline_seconds, gpr_event *ev) {
+  while (deadline_seconds) {
+    gpr_log(GPR_DEBUG, "Test: waiting for %d more seconds", deadline_seconds);
+    if (gpr_event_wait(ev, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1))) return true;
+    deadline_seconds--;
+
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+    grpc_timer_check(&exec_ctx, gpr_now(GPR_CLOCK_MONOTONIC), NULL);
+    grpc_exec_ctx_finish(&exec_ctx);
+  }
+  return false;
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+
+  grpc_init();
+  gpr_mu_init(&g_mu);
+  grpc_blocking_resolve_address = my_resolve_address;
+
+  grpc_resolver *resolver = create_resolver("dns:test");
+
+  grpc_client_config *config = (grpc_client_config *)1;
+
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  gpr_event ev1;
+  gpr_event_init(&ev1);
+  grpc_resolver_next(&exec_ctx, resolver, &config,
+                     grpc_closure_create(on_done, &ev1));
+  grpc_exec_ctx_flush(&exec_ctx);
+  GPR_ASSERT(wait_loop(5, &ev1));
+  GPR_ASSERT(config == NULL);
+
+  gpr_event ev2;
+  gpr_event_init(&ev2);
+  grpc_resolver_next(&exec_ctx, resolver, &config,
+                     grpc_closure_create(on_done, &ev2));
+  grpc_exec_ctx_flush(&exec_ctx);
+  GPR_ASSERT(wait_loop(30, &ev2));
+  GPR_ASSERT(config != NULL);
+
+  grpc_client_config_unref(&exec_ctx, config);
+  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test");
+  grpc_exec_ctx_finish(&exec_ctx);
+
+  grpc_shutdown();
+  gpr_mu_destroy(&g_mu);
+}
diff --git a/test/core/client_config/resolvers/dns_resolver_test.c b/test/core/client_config/resolvers/dns_resolver_test.c
index 38e76d5342..21dc99cadd 100644
--- a/test/core/client_config/resolvers/dns_resolver_test.c
+++ b/test/core/client_config/resolvers/dns_resolver_test.c
@@ -31,29 +31,35 @@
  *
  */
 
-#include "src/core/client_config/resolvers/dns_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   GPR_UNREACHABLE_CODE(return NULL);
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -65,7 +71,7 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
@@ -92,8 +98,9 @@ static void test_fails(grpc_resolver_factory *factory, const char *string) {
 int main(int argc, char **argv) {
   grpc_resolver_factory *dns;
   grpc_test_init(argc, argv);
+  grpc_init();
 
-  dns = grpc_dns_resolver_factory_create();
+  dns = grpc_resolver_factory_lookup("dns");
 
   test_succeeds(dns, "dns:10.2.1.1");
   test_succeeds(dns, "dns:10.2.1.1:1234");
@@ -101,6 +108,7 @@ int main(int argc, char **argv) {
   test_fails(dns, "ipv4://8.8.8.8/8.8.8.8:8888");
 
   grpc_resolver_factory_unref(dns);
+  grpc_shutdown();
 
   return 0;
 }
diff --git a/test/core/client_config/resolvers/sockaddr_resolver_test.c b/test/core/client_config/resolvers/sockaddr_resolver_test.c
index 8856c85449..b11546b6b1 100644
--- a/test/core/client_config/resolvers/sockaddr_resolver_test.c
+++ b/test/core/client_config/resolvers/sockaddr_resolver_test.c
@@ -31,29 +31,35 @@
  *
  */
 
-#include "src/core/client_config/resolvers/sockaddr_resolver.h"
-
 #include <string.h>
 
 #include <grpc/support/log.h>
 
-#include "src/core/client_config/resolver.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   GPR_UNREACHABLE_CODE(return NULL);
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -65,7 +71,7 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
@@ -92,12 +98,14 @@ static void test_fails(grpc_resolver_factory *factory, const char *string) {
 int main(int argc, char **argv) {
   grpc_resolver_factory *ipv4, *ipv6;
   grpc_test_init(argc, argv);
+  grpc_init();
 
-  ipv4 = grpc_ipv4_resolver_factory_create();
-  ipv6 = grpc_ipv6_resolver_factory_create();
+  ipv4 = grpc_resolver_factory_lookup("ipv4");
+  ipv6 = grpc_resolver_factory_lookup("ipv6");
 
   test_fails(ipv4, "ipv4:10.2.1.1");
   test_succeeds(ipv4, "ipv4:10.2.1.1:1234");
+  test_succeeds(ipv4, "ipv4:10.2.1.1:1234,127.0.0.1:4321");
   test_fails(ipv4, "ipv4:10.2.1.1:123456");
   test_fails(ipv4, "ipv4:www.google.com");
   test_fails(ipv4, "ipv4:[");
@@ -111,6 +119,7 @@ int main(int argc, char **argv) {
 
   grpc_resolver_factory_unref(ipv4);
   grpc_resolver_factory_unref(ipv6);
+  grpc_shutdown();
 
   return 0;
 }
diff --git a/test/core/client_config/set_initial_connect_string_test.c b/test/core/client_config/set_initial_connect_string_test.c
index bcd1f26123..83058d9b2c 100644
--- a/test/core/client_config/set_initial_connect_string_test.c
+++ b/test/core/client_config/set_initial_connect_string_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,10 +38,10 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
-#include "src/core/client_config/initial_connect_string.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 #include "test/core/util/test_tcp_server.h"
@@ -85,7 +85,7 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
   gpr_slice_buffer_init(&state.incoming_buffer);
   gpr_slice_buffer_init(&state.temp_incoming_buffer);
   state.tcp = tcp;
-  grpc_endpoint_add_to_pollset(exec_ctx, tcp, &server->pollset);
+  grpc_endpoint_add_to_pollset(exec_ctx, tcp, server->pollset);
   grpc_endpoint_read(exec_ctx, tcp, &state.temp_incoming_buffer, &on_read);
 }
 
diff --git a/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342 b/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
new file mode 100644
index 0000000000..597a6db294
--- /dev/null
+++ b/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
@@ -0,0 +1 @@
+i
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11 b/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
new file mode 100644
index 0000000000..d56b8fc6c8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
@@ -0,0 +1 @@
+:iiiÐ?+n!ij
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc b/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
new file mode 100644
index 0000000000..3936e8964c
--- /dev/null
+++ b/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
@@ -0,0 +1 @@
+:‡i?=niI_!';ñ
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f b/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
new file mode 100644
index 0000000000..a94c4cf58d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
@@ -0,0 +1,2 @@
+~ipip~6::1
+v:Ð:1
diff --git a/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80 b/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
new file mode 100644
index 0000000000..875ac2a4f9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
@@ -0,0 +1 @@
+:il0P/8?n!$i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971 b/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
new file mode 100644
index 0000000000..59469af528
--- /dev/null
+++ b/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
@@ -0,0 +1,3 @@
+iiP*v:::pip~6:::0
+v:::11
+
diff --git a/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc b/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
new file mode 100644
index 0000000000..2f902351bd
--- /dev/null
+++ b/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
@@ -0,0 +1 @@
+:ii/i?n!%i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1 b/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
new file mode 100644
index 0000000000..4bdc3f60c0
--- /dev/null
+++ b/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
@@ -0,0 +1 @@
+uni::.i?n(!ipR6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf b/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
new file mode 100644
index 0000000000..fb7665d0cc
--- /dev/null
+++ b/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
@@ -0,0 +1,2 @@
+:/i?n!ipv6:./::abc.*
+
diff --git a/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce b/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
new file mode 100644
index 0000000000..6c1e22fa32
--- /dev/null
+++ b/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
@@ -0,0 +1 @@
+unix://ii:#v6i?n!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc b/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
new file mode 100644
index 0000000000..725b2086c5
--- /dev/null
+++ b/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
@@ -0,0 +1,4 @@
+i:i?nip~&2./:::abipip~6c.*
+
+::1
+v:Ð:1
diff --git a/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1 b/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
new file mode 100644
index 0000000000..23d52e19a8
--- /dev/null
+++ b/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
@@ -0,0 +1 @@
+:iiP/i?n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8 b/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
new file mode 100644
index 0000000000..1dc4931ac6
--- /dev/null
+++ b/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
@@ -0,0 +1,4 @@
+:i?n!ip~f2:./::abipip~6c.*
+
+::1
+v:Ð:1
diff --git a/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a b/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
new file mode 100644
index 0000000000..7b9532914e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
@@ -0,0 +1 @@
+:‡i?=niI!';ñ
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb b/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
new file mode 100644
index 0000000000..4eaca39265
--- /dev/null
+++ b/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
@@ -0,0 +1 @@
+unix://ii:pv6i?n!
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6 b/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
new file mode 100644
index 0000000000..57cbd72dbc
--- /dev/null
+++ b/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
@@ -0,0 +1 @@
+uni::/i?n!ipR6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1 b/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
new file mode 100644
index 0000000000..e13cf5a8e6
--- /dev/null
+++ b/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
@@ -0,0 +1,2 @@
+ipip~6:::1
+v:::1
diff --git a/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266 b/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
new file mode 100644
index 0000000000..58ecc7e2af
--- /dev/null
+++ b/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
@@ -0,0 +1 @@
+ip*v:::1
diff --git a/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb b/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
new file mode 100644
index 0000000000..efb392b7d9
--- /dev/null
+++ b/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
@@ -0,0 +1,2 @@
+:/i/n!ipv6:::/a.b.c1
+
diff --git a/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8 b/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
new file mode 100644
index 0000000000..7155222547
--- /dev/null
+++ b/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
@@ -0,0 +1 @@
+ilP.i;?n!#i!;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b b/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
new file mode 100644
index 0000000000..4061e02189
--- /dev/null
+++ b/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
@@ -0,0 +1 @@
+unix::/i?n!ipv6/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de b/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
new file mode 100644
index 0000000000..736e63e7e7
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
@@ -0,0 +1 @@
+:¢ilP/i;n!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d b/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
new file mode 100644
index 0000000000..dff2f8920d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
@@ -0,0 +1 @@
+u+ni::/i?n!ipR3/
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38 b/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
new file mode 100644
index 0000000000..13a115481d
--- /dev/null
+++ b/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
@@ -0,0 +1 @@
+uni::pi:miP/?ni.!(Ri?)8/n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2 b/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
new file mode 100644
index 0000000000..fe019fc409
--- /dev/null
+++ b/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
@@ -0,0 +1 @@
+uni::.i!in:/i/n!ipv6ž:?(pR;::/a.2b
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd b/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
new file mode 100644
index 0000000000..6e12167b52
--- /dev/null
+++ b/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
@@ -0,0 +1 @@
+:ii/iilP.i;?n?n!#i!;!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245 b/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
new file mode 100644
index 0000000000..b5655220d7
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
@@ -0,0 +1 @@
+:‡i?P-niI!'iñ
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c b/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
new file mode 100644
index 0000000000..a7656724f5
--- /dev/null
+++ b/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
@@ -0,0 +1 @@
+unix://ipv6:::
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca b/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
new file mode 100644
index 0000000000..d658fb8ee0
--- /dev/null
+++ b/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
@@ -0,0 +1 @@
+:ilP/i?n!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a b/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
new file mode 100644
index 0000000000..6d37b5fd45
--- /dev/null
+++ b/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
@@ -0,0 +1 @@
+:ilP/i?n,!#i:
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/dns.txt b/test/core/client_config/uri_corpus/dns.txt
new file mode 100644
index 0000000000..577e1054e4
--- /dev/null
+++ b/test/core/client_config/uri_corpus/dns.txt
@@ -0,0 +1 @@
+dns:10.2.1.1
diff --git a/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71 b/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
new file mode 100644
index 0000000000..52f5a2382a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
@@ -0,0 +1,4 @@
+i:i?n!ip~f2.:/::abipip~6c.*
+
+::1
+v:Ð:1
diff --git a/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee b/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
new file mode 100644
index 0000000000..c3c93fed6a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
@@ -0,0 +1 @@
+ii-i?n!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2 b/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
new file mode 100644
index 0000000000..45065e2f00
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
@@ -0,0 +1 @@
+:ii/i?n!%*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3 b/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
new file mode 100644
index 0000000000..02151c8b6a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
@@ -0,0 +1,2 @@
+:ipip~6:::1
+vii/:::iunix:?n/1/ipv6!%
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67 b/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
new file mode 100644
index 0000000000..8034e133d7
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
@@ -0,0 +1 @@
+:iiP/i?n!i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d b/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
new file mode 100644
index 0000000000..240946dbaa
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
@@ -0,0 +1,2 @@
+unix://ipv6:::/a.b.c1
+
diff --git a/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101 b/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
new file mode 100644
index 0000000000..d089a59346
--- /dev/null
+++ b/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
@@ -0,0 +1 @@
+:ilP.i;?n!#i;
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4 b/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
new file mode 100644
index 0000000000..66eefbcc14
--- /dev/null
+++ b/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
@@ -0,0 +1 @@
+:miP/i?)n!'i*
\ No newline at end of file
diff --git a/test/core/client_config/uri_corpus/ipv4.txt b/test/core/client_config/uri_corpus/ipv4.txt
new file mode 100644
index 0000000000..fe29486b6e
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ipv4.txt
@@ -0,0 +1 @@
+ipv4:10.2.1.1
diff --git a/test/core/client_config/uri_corpus/ipv6.txt b/test/core/client_config/uri_corpus/ipv6.txt
new file mode 100644
index 0000000000..7b6932be00
--- /dev/null
+++ b/test/core/client_config/uri_corpus/ipv6.txt
@@ -0,0 +1 @@
+ipv6:::1
diff --git a/test/core/client_config/uri_corpus/unix.txt b/test/core/client_config/uri_corpus/unix.txt
new file mode 100644
index 0000000000..7a0997ec9a
--- /dev/null
+++ b/test/core/client_config/uri_corpus/unix.txt
@@ -0,0 +1 @@
+unix:///a.b.c
diff --git a/test/core/client_config/uri_fuzzer_test.c b/test/core/client_config/uri_fuzzer_test.c
new file mode 100644
index 0000000000..eb976fc9f5
--- /dev/null
+++ b/test/core/client_config/uri_fuzzer_test.c
@@ -0,0 +1,52 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/client_config/uri_parser.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  char *s = gpr_malloc(size + 1);
+  memcpy(s, data, size);
+  s[size] = 0;
+
+  grpc_uri *x;
+  if ((x = grpc_uri_parse(s, 1))) {
+    grpc_uri_destroy(x);
+  }
+  gpr_free(s);
+  return 0;
+}
diff --git a/test/core/client_config/uri_parser_test.c b/test/core/client_config/uri_parser_test.c
index df12d6b4cb..323e8b6f70 100644
--- a/test/core/client_config/uri_parser_test.c
+++ b/test/core/client_config/uri_parser_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/client_config/uri_parser.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 #include <string.h>
 
@@ -56,6 +56,73 @@ static void test_fails(const char *uri_text) {
   GPR_ASSERT(NULL == grpc_uri_parse(uri_text, 0));
 }
 
+static void test_query_parts() {
+  {
+    const char *uri_text = "http://foo/path?a&b=B&c=&#frag";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("foo", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("a&b=B&c=&", uri->query));
+    GPR_ASSERT(4 == uri->num_query_parts);
+
+    GPR_ASSERT(0 == strcmp("a", uri->query_parts[0]));
+    GPR_ASSERT(NULL == uri->query_parts_values[0]);
+
+    GPR_ASSERT(0 == strcmp("b", uri->query_parts[1]));
+    GPR_ASSERT(0 == strcmp("B", uri->query_parts_values[1]));
+
+    GPR_ASSERT(0 == strcmp("c", uri->query_parts[2]));
+    GPR_ASSERT(0 == strcmp("", uri->query_parts_values[2]));
+
+    GPR_ASSERT(0 == strcmp("", uri->query_parts[3]));
+    GPR_ASSERT(NULL == uri->query_parts_values[3]);
+
+    GPR_ASSERT(NULL == grpc_uri_get_query_arg(uri, "a"));
+    GPR_ASSERT(0 == strcmp("B", grpc_uri_get_query_arg(uri, "b")));
+    GPR_ASSERT(0 == strcmp("", grpc_uri_get_query_arg(uri, "c")));
+    GPR_ASSERT(NULL == grpc_uri_get_query_arg(uri, ""));
+
+    GPR_ASSERT(0 == strcmp("frag", uri->fragment));
+    grpc_uri_destroy(uri);
+  }
+  {
+    /* test the current behavior of multiple query part values */
+    const char *uri_text = "http://auth/path?foo=bar=baz&foobar==";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("auth", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("foo=bar=baz&foobar==", uri->query));
+    GPR_ASSERT(2 == uri->num_query_parts);
+
+    GPR_ASSERT(0 == strcmp("bar", grpc_uri_get_query_arg(uri, "foo")));
+    GPR_ASSERT(0 == strcmp("", grpc_uri_get_query_arg(uri, "foobar")));
+
+    grpc_uri_destroy(uri);
+  }
+  {
+    /* empty query */
+    const char *uri_text = "http://foo/path";
+    grpc_uri *uri = grpc_uri_parse(uri_text, 0);
+    GPR_ASSERT(uri);
+
+    GPR_ASSERT(0 == strcmp("http", uri->scheme));
+    GPR_ASSERT(0 == strcmp("foo", uri->authority));
+    GPR_ASSERT(0 == strcmp("/path", uri->path));
+    GPR_ASSERT(0 == strcmp("", uri->query));
+    GPR_ASSERT(0 == uri->num_query_parts);
+    GPR_ASSERT(NULL == uri->query_parts);
+    GPR_ASSERT(NULL == uri->query_parts_values);
+    GPR_ASSERT(0 == strcmp("", uri->fragment));
+    grpc_uri_destroy(uri);
+  }
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_succeeds("http://www.google.com", "http", "www.google.com", "", "", "");
@@ -82,5 +149,6 @@ int main(int argc, char **argv) {
   test_fails("http://foo?x[bar]");
   test_fails("http://foo?bar#lol#");
 
+  test_query_parts();
   return 0;
 }
diff --git a/test/core/compression/algorithm_test.c b/test/core/compression/algorithm_test.c
index 7de7e11a94..bdee748ae6 100644
--- a/test/core/compression/algorithm_test.c
+++ b/test/core/compression/algorithm_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/compression/algorithm_metadata.h"
+#include "src/core/lib/compression/algorithm_metadata.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,7 +40,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/transport/static_metadata.h"
+#include "src/core/lib/transport/static_metadata.h"
 #include "test/core/util/test_config.h"
 
 static void test_algorithm_mesh(void) {
diff --git a/test/core/compression/compression_test.c b/test/core/compression/compression_test.c
index 26d7b2b6cc..4c43746e33 100644
--- a/test/core/compression/compression_test.c
+++ b/test/core/compression/compression_test.c
@@ -93,18 +93,98 @@ static void test_compression_algorithm_name(void) {
 }
 
 static void test_compression_algorithm_for_level(void) {
-  size_t i;
-  grpc_compression_level levels[] = {
-      GRPC_COMPRESS_LEVEL_NONE, GRPC_COMPRESS_LEVEL_LOW,
-      GRPC_COMPRESS_LEVEL_MED, GRPC_COMPRESS_LEVEL_HIGH};
-  grpc_compression_algorithm algorithms[] = {
-      GRPC_COMPRESS_NONE, GRPC_COMPRESS_DEFLATE, GRPC_COMPRESS_DEFLATE,
-      GRPC_COMPRESS_DEFLATE};
   gpr_log(GPR_DEBUG, "test_compression_algorithm_for_level");
 
-  for (i = 0; i < GPR_ARRAY_SIZE(levels); i++) {
-    GPR_ASSERT(algorithms[i] ==
-               grpc_compression_algorithm_for_level(levels[i]));
+  {
+    /* accept only identity (aka none) */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept only gzip */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept only deflate */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
+  }
+
+  {
+    /* accept gzip and deflate */
+    uint32_t accepted_encodings = 0;
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_NONE); /* always */
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_GZIP);
+    GPR_BITSET(&accepted_encodings, GRPC_COMPRESS_DEFLATE);
+
+    GPR_ASSERT(GRPC_COMPRESS_NONE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_NONE,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_GZIP ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_LOW,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_MED,
+                                                    accepted_encodings));
+
+    GPR_ASSERT(GRPC_COMPRESS_DEFLATE ==
+               grpc_compression_algorithm_for_level(GRPC_COMPRESS_LEVEL_HIGH,
+                                                    accepted_encodings));
   }
 }
 
diff --git a/test/core/compression/message_compress_test.c b/test/core/compression/message_compress_test.c
index 6d3d16128a..1a93903346 100644
--- a/test/core/compression/message_compress_test.c
+++ b/test/core/compression/message_compress_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 #include <stdlib.h>
 #include <string.h>
@@ -40,7 +40,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
 #include "test/core/util/slice_splitter.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
index 724d419a7a..77afe588d7 100644
--- a/test/core/end2end/cq_verifier.c
+++ b/test/core/end2end/cq_verifier.c
@@ -37,8 +37,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/surface/event_string.h"
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/byte_buffer_reader.h>
 #include <grpc/support/alloc.h>
@@ -46,6 +44,8 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/event_string.h"
 
 #define ROOT_EXPECTATION 1000
 
diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
index 58e13a4098..81f76ea79c 100644
--- a/test/core/end2end/dualstack_socket_test.c
+++ b/test/core/end2end/dualstack_socket_test.c
@@ -39,9 +39,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/support/string.h"
 
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/port.h"
@@ -168,7 +168,7 @@ void test_connect(const char *server_host, const char *client_host, int port,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = expect_ok ? GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY : 0;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
@@ -237,7 +237,7 @@ void test_connect(const char *server_host, const char *client_host, int port,
     cq_expect_completion(cqv, tag(1), 1);
     cq_verify(cqv);
 
-    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
+    GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
   }
 
   grpc_call_destroy(c);
@@ -249,9 +249,9 @@ void test_connect(const char *server_host, const char *client_host, int port,
 
   /* Destroy server. */
   grpc_server_shutdown_and_notify(server, cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(server);
   grpc_completion_queue_shutdown(cq);
   drain_cq(cq);
diff --git a/test/core/end2end/end2end_nosec_tests.c b/test/core/end2end/end2end_nosec_tests.c
index 9ff46d62e4..deb73395e0 100644
--- a/test/core/end2end/end2end_nosec_tests.c
+++ b/test/core/end2end/end2end_nosec_tests.c
@@ -1,7 +1,7 @@
 
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,9 @@
 /* This file is auto-generated */
 
 #include "test/core/end2end/end2end_tests.h"
+
 #include <string.h>
+
 #include <grpc/support/log.h>
 
 extern void bad_hostname(grpc_end2end_test_config config);
@@ -46,23 +48,23 @@ extern void cancel_after_invoke(grpc_end2end_test_config config);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
 extern void cancel_with_status(grpc_end2end_test_config config);
-extern void channel_connectivity(grpc_end2end_test_config config);
-extern void channel_ping(grpc_end2end_test_config config);
 extern void compressed_payload(grpc_end2end_test_config config);
+extern void connectivity(grpc_end2end_test_config config);
 extern void default_host(grpc_end2end_test_config config);
 extern void disappearing_server(grpc_end2end_test_config config);
 extern void empty_batch(grpc_end2end_test_config config);
 extern void graceful_server_shutdown(grpc_end2end_test_config config);
 extern void high_initial_seqno(grpc_end2end_test_config config);
 extern void hpack_size(grpc_end2end_test_config config);
+extern void idempotent_request(grpc_end2end_test_config config);
 extern void invoke_large_request(grpc_end2end_test_config config);
 extern void large_metadata(grpc_end2end_test_config config);
 extern void max_concurrent_streams(grpc_end2end_test_config config);
 extern void max_message_length(grpc_end2end_test_config config);
-extern void metadata(grpc_end2end_test_config config);
 extern void negative_deadline(grpc_end2end_test_config config);
 extern void no_op(grpc_end2end_test_config config);
 extern void payload(grpc_end2end_test_config config);
+extern void ping(grpc_end2end_test_config config);
 extern void ping_pong_streaming(grpc_end2end_test_config config);
 extern void registered_call(grpc_end2end_test_config config);
 extern void request_with_flags(grpc_end2end_test_config config);
@@ -71,6 +73,7 @@ extern void server_finishes_request(grpc_end2end_test_config config);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
 extern void shutdown_finishes_tags(grpc_end2end_test_config config);
 extern void simple_delayed_request(grpc_end2end_test_config config);
+extern void simple_metadata(grpc_end2end_test_config config);
 extern void simple_request(grpc_end2end_test_config config);
 extern void trailing_metadata(grpc_end2end_test_config config);
 
@@ -87,23 +90,23 @@ void grpc_end2end_tests(int argc, char **argv,
     cancel_before_invoke(config);
     cancel_in_a_vacuum(config);
     cancel_with_status(config);
-    channel_connectivity(config);
-    channel_ping(config);
     compressed_payload(config);
+    connectivity(config);
     default_host(config);
     disappearing_server(config);
     empty_batch(config);
     graceful_server_shutdown(config);
     high_initial_seqno(config);
     hpack_size(config);
+    idempotent_request(config);
     invoke_large_request(config);
     large_metadata(config);
     max_concurrent_streams(config);
     max_message_length(config);
-    metadata(config);
     negative_deadline(config);
     no_op(config);
     payload(config);
+    ping(config);
     ping_pong_streaming(config);
     registered_call(config);
     request_with_flags(config);
@@ -112,6 +115,7 @@ void grpc_end2end_tests(int argc, char **argv,
     shutdown_finishes_calls(config);
     shutdown_finishes_tags(config);
     simple_delayed_request(config);
+    simple_metadata(config);
     simple_request(config);
     trailing_metadata(config);
     return;
@@ -150,18 +154,14 @@ void grpc_end2end_tests(int argc, char **argv,
       cancel_with_status(config);
       continue;
     }
-    if (0 == strcmp("channel_connectivity", argv[i])) {
-      channel_connectivity(config);
-      continue;
-    }
-    if (0 == strcmp("channel_ping", argv[i])) {
-      channel_ping(config);
-      continue;
-    }
     if (0 == strcmp("compressed_payload", argv[i])) {
       compressed_payload(config);
       continue;
     }
+    if (0 == strcmp("connectivity", argv[i])) {
+      connectivity(config);
+      continue;
+    }
     if (0 == strcmp("default_host", argv[i])) {
       default_host(config);
       continue;
@@ -186,6 +186,10 @@ void grpc_end2end_tests(int argc, char **argv,
       hpack_size(config);
       continue;
     }
+    if (0 == strcmp("idempotent_request", argv[i])) {
+      idempotent_request(config);
+      continue;
+    }
     if (0 == strcmp("invoke_large_request", argv[i])) {
       invoke_large_request(config);
       continue;
@@ -202,10 +206,6 @@ void grpc_end2end_tests(int argc, char **argv,
       max_message_length(config);
       continue;
     }
-    if (0 == strcmp("metadata", argv[i])) {
-      metadata(config);
-      continue;
-    }
     if (0 == strcmp("negative_deadline", argv[i])) {
       negative_deadline(config);
       continue;
@@ -218,6 +218,10 @@ void grpc_end2end_tests(int argc, char **argv,
       payload(config);
       continue;
     }
+    if (0 == strcmp("ping", argv[i])) {
+      ping(config);
+      continue;
+    }
     if (0 == strcmp("ping_pong_streaming", argv[i])) {
       ping_pong_streaming(config);
       continue;
@@ -250,6 +254,10 @@ void grpc_end2end_tests(int argc, char **argv,
       simple_delayed_request(config);
       continue;
     }
+    if (0 == strcmp("simple_metadata", argv[i])) {
+      simple_metadata(config);
+      continue;
+    }
     if (0 == strcmp("simple_request", argv[i])) {
       simple_request(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.c b/test/core/end2end/end2end_tests.c
index 397ff446a9..dd7f6a2a31 100644
--- a/test/core/end2end/end2end_tests.c
+++ b/test/core/end2end/end2end_tests.c
@@ -1,7 +1,7 @@
 
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,9 @@
 /* This file is auto-generated */
 
 #include "test/core/end2end/end2end_tests.h"
+
 #include <string.h>
+
 #include <grpc/support/log.h>
 
 extern void bad_hostname(grpc_end2end_test_config config);
@@ -47,23 +49,23 @@ extern void cancel_after_invoke(grpc_end2end_test_config config);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
 extern void cancel_with_status(grpc_end2end_test_config config);
-extern void channel_connectivity(grpc_end2end_test_config config);
-extern void channel_ping(grpc_end2end_test_config config);
 extern void compressed_payload(grpc_end2end_test_config config);
+extern void connectivity(grpc_end2end_test_config config);
 extern void default_host(grpc_end2end_test_config config);
 extern void disappearing_server(grpc_end2end_test_config config);
 extern void empty_batch(grpc_end2end_test_config config);
 extern void graceful_server_shutdown(grpc_end2end_test_config config);
 extern void high_initial_seqno(grpc_end2end_test_config config);
 extern void hpack_size(grpc_end2end_test_config config);
+extern void idempotent_request(grpc_end2end_test_config config);
 extern void invoke_large_request(grpc_end2end_test_config config);
 extern void large_metadata(grpc_end2end_test_config config);
 extern void max_concurrent_streams(grpc_end2end_test_config config);
 extern void max_message_length(grpc_end2end_test_config config);
-extern void metadata(grpc_end2end_test_config config);
 extern void negative_deadline(grpc_end2end_test_config config);
 extern void no_op(grpc_end2end_test_config config);
 extern void payload(grpc_end2end_test_config config);
+extern void ping(grpc_end2end_test_config config);
 extern void ping_pong_streaming(grpc_end2end_test_config config);
 extern void registered_call(grpc_end2end_test_config config);
 extern void request_with_flags(grpc_end2end_test_config config);
@@ -72,6 +74,7 @@ extern void server_finishes_request(grpc_end2end_test_config config);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
 extern void shutdown_finishes_tags(grpc_end2end_test_config config);
 extern void simple_delayed_request(grpc_end2end_test_config config);
+extern void simple_metadata(grpc_end2end_test_config config);
 extern void simple_request(grpc_end2end_test_config config);
 extern void trailing_metadata(grpc_end2end_test_config config);
 
@@ -89,23 +92,23 @@ void grpc_end2end_tests(int argc, char **argv,
     cancel_before_invoke(config);
     cancel_in_a_vacuum(config);
     cancel_with_status(config);
-    channel_connectivity(config);
-    channel_ping(config);
     compressed_payload(config);
+    connectivity(config);
     default_host(config);
     disappearing_server(config);
     empty_batch(config);
     graceful_server_shutdown(config);
     high_initial_seqno(config);
     hpack_size(config);
+    idempotent_request(config);
     invoke_large_request(config);
     large_metadata(config);
     max_concurrent_streams(config);
     max_message_length(config);
-    metadata(config);
     negative_deadline(config);
     no_op(config);
     payload(config);
+    ping(config);
     ping_pong_streaming(config);
     registered_call(config);
     request_with_flags(config);
@@ -114,6 +117,7 @@ void grpc_end2end_tests(int argc, char **argv,
     shutdown_finishes_calls(config);
     shutdown_finishes_tags(config);
     simple_delayed_request(config);
+    simple_metadata(config);
     simple_request(config);
     trailing_metadata(config);
     return;
@@ -156,18 +160,14 @@ void grpc_end2end_tests(int argc, char **argv,
       cancel_with_status(config);
       continue;
     }
-    if (0 == strcmp("channel_connectivity", argv[i])) {
-      channel_connectivity(config);
-      continue;
-    }
-    if (0 == strcmp("channel_ping", argv[i])) {
-      channel_ping(config);
-      continue;
-    }
     if (0 == strcmp("compressed_payload", argv[i])) {
       compressed_payload(config);
       continue;
     }
+    if (0 == strcmp("connectivity", argv[i])) {
+      connectivity(config);
+      continue;
+    }
     if (0 == strcmp("default_host", argv[i])) {
       default_host(config);
       continue;
@@ -192,6 +192,10 @@ void grpc_end2end_tests(int argc, char **argv,
       hpack_size(config);
       continue;
     }
+    if (0 == strcmp("idempotent_request", argv[i])) {
+      idempotent_request(config);
+      continue;
+    }
     if (0 == strcmp("invoke_large_request", argv[i])) {
       invoke_large_request(config);
       continue;
@@ -208,10 +212,6 @@ void grpc_end2end_tests(int argc, char **argv,
       max_message_length(config);
       continue;
     }
-    if (0 == strcmp("metadata", argv[i])) {
-      metadata(config);
-      continue;
-    }
     if (0 == strcmp("negative_deadline", argv[i])) {
       negative_deadline(config);
       continue;
@@ -224,6 +224,10 @@ void grpc_end2end_tests(int argc, char **argv,
       payload(config);
       continue;
     }
+    if (0 == strcmp("ping", argv[i])) {
+      ping(config);
+      continue;
+    }
     if (0 == strcmp("ping_pong_streaming", argv[i])) {
       ping_pong_streaming(config);
       continue;
@@ -256,6 +260,10 @@ void grpc_end2end_tests(int argc, char **argv,
       simple_delayed_request(config);
       continue;
     }
+    if (0 == strcmp("simple_metadata", argv[i])) {
+      simple_metadata(config);
+      continue;
+    }
     if (0 == strcmp("simple_request", argv[i])) {
       simple_request(config);
       continue;
diff --git a/test/core/end2end/fixtures/h2_census.c b/test/core/end2end/fixtures/h2_census.c
index e74c9ae243..eb66aff24b 100644
--- a/test/core/end2end/fixtures/h2_census.c
+++ b/test/core/end2end/fixtures/h2_census.c
@@ -35,19 +35,19 @@
 
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/end2end/fixtures/h2_compress.c b/test/core/end2end/fixtures/h2_compress.c
index fea8a4f751..1b53381e91 100644
--- a/test/core/end2end/fixtures/h2_compress.c
+++ b/test/core/end2end/fixtures/h2_compress.c
@@ -35,19 +35,19 @@
 
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/end2end/fixtures/h2_fakesec.c b/test/core/end2end/fixtures/h2_fakesec.c
index 2767f1df4a..a312585946 100644
--- a/test/core/end2end/fixtures/h2_fakesec.c
+++ b/test/core/end2end/fixtures/h2_fakesec.c
@@ -36,14 +36,14 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
 #include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 typedef struct fullstack_secure_fixture_data {
   char *localaddr;
diff --git a/test/core/end2end/fixtures/h2_full+pipe.c b/test/core/end2end/fixtures/h2_full+pipe.c
index 4b93581899..e167534da4 100644
--- a/test/core/end2end/fixtures/h2_full+pipe.c
+++ b/test/core/end2end/fixtures/h2_full+pipe.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/core/iomgr/wakeup_fd_posix.h"
 
 typedef struct fullstack_fixture_data {
   char *localaddr;
diff --git a/test/core/end2end/fixtures/h2_full+poll.c b/test/core/end2end/fixtures/h2_full+poll.c
deleted file mode 100644
index 3f5e6096f6..0000000000
--- a/test/core/end2end/fixtures/h2_full+poll.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <string.h>
-
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct fullstack_fixture_data {
-  char *localaddr;
-} fullstack_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_join_host_port(&ffd->localaddr, "localhost", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
-}
-
-void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *server_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/fullstack", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION,
-     chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
-     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_full+poll+pipe.c b/test/core/end2end/fixtures/h2_full+trace.c
index d475a7bb55..4bb0bf3e8e 100644
--- a/test/core/end2end/fixtures/h2_full+poll+pipe.c
+++ b/test/core/end2end/fixtures/h2_full+trace.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/core/iomgr/wakeup_fd_posix.h"
 
 typedef struct fullstack_fixture_data {
   char *localaddr;
@@ -74,6 +74,7 @@ void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                   grpc_channel_args *client_args) {
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
+  GPR_ASSERT(f->client);
 }
 
 void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
@@ -104,12 +105,23 @@ static grpc_end2end_test_config configs[] = {
 int main(int argc, char **argv) {
   size_t i;
 
-  grpc_allow_specialized_wakeup_fd = 0;
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
+  /* force tracing on, with a value to force many
+     code paths in trace.c to be taken */
+  gpr_setenv("GRPC_TRACE", "doesnt-exist,http,all");
+
+#ifdef GPR_POSIX_SOCKET
+  g_fixture_slowdown_factor = isatty(STDOUT_FILENO) ? 10.0 : 1.0;
+#else
+  g_fixture_slowdown_factor = 10.0;
+#endif
 
   grpc_test_init(argc, argv);
   grpc_init();
 
+  GPR_ASSERT(0 == grpc_tracer_set_enabled("also-doesnt-exist", 0));
+  GPR_ASSERT(1 == grpc_tracer_set_enabled("http", 1));
+  GPR_ASSERT(1 == grpc_tracer_set_enabled("all", 1));
+
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
     grpc_end2end_tests(argc, argv, configs[i]);
   }
diff --git a/test/core/end2end/fixtures/h2_full.c b/test/core/end2end/fixtures/h2_full.c
index ebaa1c6a2c..6182f592cb 100644
--- a/test/core/end2end/fixtures/h2_full.c
+++ b/test/core/end2end/fixtures/h2_full.c
@@ -35,18 +35,18 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/end2end/fixtures/h2_oauth2.c b/test/core/end2end/fixtures/h2_oauth2.c
index e2c82917ef..9e7d8d3125 100644
--- a/test/core/end2end/fixtures/h2_oauth2.c
+++ b/test/core/end2end/fixtures/h2_oauth2.c
@@ -36,15 +36,15 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/security/credentials.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/security/credentials.h"
 #include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 static const char oauth2_md[] = "Bearer aaslkfjs424535asdf";
 static const char *client_identity_property_name = "smurf_name";
diff --git a/test/core/end2end/fixtures/h2_proxy.c b/test/core/end2end/fixtures/h2_proxy.c
index 8bcc1b6ee0..7eb42c4d2c 100644
--- a/test/core/end2end/fixtures/h2_proxy.c
+++ b/test/core/end2end/fixtures/h2_proxy.c
@@ -35,18 +35,18 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/end2end/fixtures/proxy.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.c b/test/core/end2end/fixtures/h2_sockpair+trace.c
index 511c8b1a46..f88a778203 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.c
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.c
@@ -35,22 +35,22 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/support/env.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -59,11 +59,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -77,17 +74,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -126,7 +115,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
diff --git a/test/core/end2end/fixtures/h2_sockpair.c b/test/core/end2end/fixtures/h2_sockpair.c
index 6b4787b1e5..5a7aa50a63 100644
--- a/test/core/end2end/fixtures/h2_sockpair.c
+++ b/test/core/end2end/fixtures/h2_sockpair.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -58,11 +58,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -76,17 +73,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -125,7 +114,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.c b/test/core/end2end/fixtures/h2_sockpair_1byte.c
index 3ae8e96683..18f3dc2ab0 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.c
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.c
@@ -35,21 +35,21 @@
 
 #include <string.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
@@ -58,11 +58,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -76,17 +73,9 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client =
+      grpc_channel_create(exec_ctx, "socketpair-target", cs->client_args,
+                          GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -125,7 +114,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =
diff --git a/test/core/end2end/fixtures/h2_ssl+poll.c b/test/core/end2end/fixtures/h2_ssl+poll.c
deleted file mode 100644
index 614654ed52..0000000000
--- a/test/core/end2end/fixtures/h2_ssl+poll.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
-#include "test/core/end2end/data/ssl_test_data.h"
-
-typedef struct fullstack_secure_fixture_data {
-  char *localaddr;
-} fullstack_secure_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  fullstack_secure_fixture_data *ffd =
-      gpr_malloc(sizeof(fullstack_secure_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_join_host_port(&ffd->localaddr, "localhost", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-static void process_auth_failure(void *state, grpc_auth_context *ctx,
-                                 const grpc_metadata *md, size_t md_count,
-                                 grpc_process_auth_metadata_done_cb cb,
-                                 void *user_data) {
-  GPR_ASSERT(state == NULL);
-  cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL);
-}
-
-static void chttp2_init_client_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
-    grpc_channel_credentials *creds) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  f->client =
-      grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL);
-  GPR_ASSERT(f->client != NULL);
-  grpc_channel_credentials_release(creds);
-}
-
-static void chttp2_init_server_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *server_args,
-    grpc_server_credentials *server_creds) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr,
-                                               server_creds));
-  grpc_server_credentials_release(server_creds);
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_secure_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-static void chttp2_init_client_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_channel_credentials *ssl_creds =
-      grpc_ssl_credentials_create(NULL, NULL, NULL);
-  grpc_arg ssl_name_override = {GRPC_ARG_STRING,
-                                GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
-                                {"foo.test.google.fr"}};
-  grpc_channel_args *new_client_args =
-      grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);
-  chttp2_init_client_secure_fullstack(f, new_client_args, ssl_creds);
-  grpc_channel_args_destroy(new_client_args);
-}
-
-static int fail_server_auth_check(grpc_channel_args *server_args) {
-  size_t i;
-  if (server_args == NULL) return 0;
-  for (i = 0; i < server_args->num_args; i++) {
-    if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) ==
-        0) {
-      return 1;
-    }
-  }
-  return 0;
-}
-
-static void chttp2_init_server_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *server_args) {
-  grpc_ssl_pem_key_cert_pair pem_cert_key_pair = {test_server1_key,
-                                                  test_server1_cert};
-  grpc_server_credentials *ssl_creds =
-      grpc_ssl_server_credentials_create(NULL, &pem_cert_key_pair, 1, 0, NULL);
-  if (fail_server_auth_check(server_args)) {
-    grpc_auth_metadata_processor processor = {process_auth_failure, NULL, NULL};
-    grpc_server_credentials_set_auth_metadata_processor(ssl_creds, processor);
-  }
-  chttp2_init_server_secure_fullstack(f, server_args, ssl_creds);
-}
-
-/* All test configurations */
-
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/simple_ssl_fullstack",
-     FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
-         FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS,
-     chttp2_create_fixture_secure_fullstack,
-     chttp2_init_client_simple_ssl_secure_fullstack,
-     chttp2_init_server_simple_ssl_secure_fullstack,
-     chttp2_tear_down_secure_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-  FILE *roots_file;
-  size_t roots_size = strlen(test_root_cert);
-  char *roots_filename;
-
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-
-  /* Set the SSL roots env var. */
-  roots_file = gpr_tmpfile("chttp2_simple_ssl_with_poll_fullstack_test",
-                           &roots_filename);
-  GPR_ASSERT(roots_filename != NULL);
-  GPR_ASSERT(roots_file != NULL);
-  GPR_ASSERT(fwrite(test_root_cert, 1, roots_size, roots_file) == roots_size);
-  fclose(roots_file);
-  gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_filename);
-
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  /* Cleanup. */
-  remove(roots_filename);
-  gpr_free(roots_filename);
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_ssl.c b/test/core/end2end/fixtures/h2_ssl.c
index 5c63dfb6aa..e5a255f7c3 100644
--- a/test/core/end2end/fixtures/h2_ssl.c
+++ b/test/core/end2end/fixtures/h2_ssl.c
@@ -36,17 +36,18 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/end2end/data/ssl_test_data.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 typedef struct fullstack_secure_fixture_data {
   char *localaddr;
diff --git a/test/core/end2end/fixtures/h2_ssl_proxy.c b/test/core/end2end/fixtures/h2_ssl_proxy.c
index a93bd83a1f..9edc8a0c23 100644
--- a/test/core/end2end/fixtures/h2_ssl_proxy.c
+++ b/test/core/end2end/fixtures/h2_ssl_proxy.c
@@ -36,18 +36,19 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/channel/channel_args.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/end2end/fixtures/proxy.h"
-#include "test/core/util/test_config.h"
 #include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 typedef struct fullstack_secure_fixture_data {
   grpc_end2end_proxy *proxy;
diff --git a/test/core/end2end/fixtures/h2_uchannel.c b/test/core/end2end/fixtures/h2_uchannel.c
deleted file mode 100644
index 5ab64f9800..0000000000
--- a/test/core/end2end/fixtures/h2_uchannel.c
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <string.h>
-
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/client_uchannel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_client_filter.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/iomgr/tcp_client.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct {
-  grpc_connector base;
-  gpr_refcount refs;
-
-  grpc_closure *notify;
-  grpc_connect_in_args args;
-  grpc_connect_out_args *result;
-
-  grpc_endpoint *tcp;
-
-  grpc_closure connected;
-} connector;
-
-static void connector_ref(grpc_connector *con) {
-  connector *c = (connector *)con;
-  gpr_ref(&c->refs);
-}
-
-static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) {
-  connector *c = (connector *)con;
-  if (gpr_unref(&c->refs)) {
-    gpr_free(c);
-  }
-}
-
-static void connected(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  connector *c = arg;
-  grpc_closure *notify;
-  grpc_endpoint *tcp = c->tcp;
-  if (tcp != NULL) {
-    c->result->transport =
-        grpc_create_chttp2_transport(exec_ctx, c->args.channel_args, tcp, 1);
-    grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, NULL,
-                                        0);
-    GPR_ASSERT(c->result->transport);
-    c->result->filters = gpr_malloc(sizeof(grpc_channel_filter *));
-    c->result->filters[0] = &grpc_http_client_filter;
-    c->result->num_filters = 1;
-  } else {
-    memset(c->result, 0, sizeof(*c->result));
-  }
-  notify = c->notify;
-  c->notify = NULL;
-  notify->cb(exec_ctx, notify->cb_arg, 1);
-}
-
-static void connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *con) {}
-
-static void connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *con,
-                              const grpc_connect_in_args *args,
-                              grpc_connect_out_args *result,
-                              grpc_closure *notify) {
-  connector *c = (connector *)con;
-  GPR_ASSERT(c->notify == NULL);
-  GPR_ASSERT(notify->cb);
-  c->notify = notify;
-  c->args = *args;
-  c->result = result;
-  c->tcp = NULL;
-  grpc_closure_init(&c->connected, connected, c);
-  grpc_tcp_client_connect(exec_ctx, &c->connected, &c->tcp,
-                          args->interested_parties, args->addr, args->addr_len,
-                          args->deadline);
-}
-
-static const grpc_connector_vtable connector_vtable = {
-    connector_ref, connector_unref, connector_shutdown, connector_connect};
-
-typedef struct {
-  grpc_subchannel_factory base;
-  gpr_refcount refs;
-  grpc_channel_args *merge_args;
-  grpc_channel *master;
-  grpc_subchannel **sniffed_subchannel;
-} subchannel_factory;
-
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  gpr_ref(&f->refs);
-}
-
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  if (gpr_unref(&f->refs)) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
-    grpc_channel_args_destroy(f->merge_args);
-    gpr_free(f);
-  }
-}
-
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
-    grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
-  connector *c = gpr_malloc(sizeof(*c));
-  grpc_channel_args *final_args =
-      grpc_channel_args_merge(args->args, f->merge_args);
-  grpc_subchannel *s;
-  memset(c, 0, sizeof(*c));
-  c->base.vtable = &connector_vtable;
-  gpr_ref_init(&c->refs, 1);
-  args->args = final_args;
-  s = grpc_subchannel_create(&c->base, args);
-  grpc_connector_unref(exec_ctx, &c->base);
-  grpc_channel_args_destroy(final_args);
-  if (*f->sniffed_subchannel) {
-    GRPC_SUBCHANNEL_UNREF(exec_ctx, *f->sniffed_subchannel, "sniffed");
-  }
-  *f->sniffed_subchannel = s;
-  GRPC_SUBCHANNEL_REF(s, "sniffed");
-  return s;
-}
-
-static const grpc_subchannel_factory_vtable test_subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
-
-/* The evil twin of grpc_insecure_channel_create. It allows the test to use the
- * custom-built sniffing subchannel_factory */
-grpc_channel *channel_create(const char *target, const grpc_channel_args *args,
-                             grpc_subchannel **sniffed_subchannel) {
-  grpc_channel *channel = NULL;
-#define MAX_FILTERS 1
-  const grpc_channel_filter *filters[MAX_FILTERS];
-  grpc_resolver *resolver;
-  subchannel_factory *f;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t n = 0;
-
-  filters[n++] = &grpc_client_channel_filter;
-  GPR_ASSERT(n <= MAX_FILTERS);
-
-  channel =
-      grpc_channel_create_from_filters(&exec_ctx, target, filters, n, args, 1);
-
-  f = gpr_malloc(sizeof(*f));
-  f->sniffed_subchannel = sniffed_subchannel;
-  f->base.vtable = &test_subchannel_factory_vtable;
-  gpr_ref_init(&f->refs, 1);
-  f->merge_args = grpc_channel_args_copy(args);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(f->master, "test_subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (!resolver) {
-    return NULL;
-  }
-
-  grpc_client_channel_set_resolver(
-      &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_create");
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-
-  grpc_exec_ctx_finish(&exec_ctx);
-
-  return channel;
-}
-
-typedef struct micro_fullstack_fixture_data {
-  char *localaddr;
-  grpc_channel *master_channel;
-  grpc_subchannel *sniffed_subchannel;
-} micro_fullstack_fixture_data;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_micro_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  int port = grpc_pick_unused_port_or_die();
-  micro_fullstack_fixture_data *ffd =
-      gpr_malloc(sizeof(micro_fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-  memset(ffd, 0, sizeof(*ffd));
-
-  gpr_join_host_port(&ffd->localaddr, "127.0.0.1", port);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-grpc_connectivity_state g_state = GRPC_CHANNEL_IDLE;
-grpc_pollset_set g_interested_parties;
-
-static void state_changed(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  if (g_state != GRPC_CHANNEL_READY) {
-    grpc_subchannel_notify_on_state_change(
-        exec_ctx, arg, &g_interested_parties, &g_state,
-        grpc_closure_create(state_changed, arg));
-  }
-}
-
-static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  grpc_pollset_destroy(arg);
-}
-
-static grpc_connected_subchannel *connect_subchannel(grpc_subchannel *c) {
-  grpc_pollset pollset;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_pollset_init(&pollset);
-  grpc_pollset_set_init(&g_interested_parties);
-  grpc_pollset_set_add_pollset(&exec_ctx, &g_interested_parties, &pollset);
-  grpc_subchannel_notify_on_state_change(&exec_ctx, c, &g_interested_parties,
-                                         &g_state,
-                                         grpc_closure_create(state_changed, c));
-  grpc_exec_ctx_flush(&exec_ctx);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pollset));
-  while (g_state != GRPC_CHANNEL_READY) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&pollset));
-    grpc_exec_ctx_flush(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&pollset));
-  }
-  grpc_pollset_shutdown(&exec_ctx, &pollset,
-                        grpc_closure_create(destroy_pollset, &pollset));
-  grpc_pollset_set_destroy(&g_interested_parties);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pollset));
-  grpc_exec_ctx_finish(&exec_ctx);
-  return grpc_subchannel_get_connected_subchannel(c);
-}
-
-static void chttp2_init_client_micro_fullstack(grpc_end2end_test_fixture *f,
-                                               grpc_channel_args *client_args) {
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  grpc_connectivity_state conn_state;
-  grpc_connected_subchannel *connected;
-  char *ipv4_localaddr;
-
-  gpr_asprintf(&ipv4_localaddr, "ipv4:%s", ffd->localaddr);
-  ffd->master_channel =
-      channel_create(ipv4_localaddr, client_args, &ffd->sniffed_subchannel);
-  gpr_free(ipv4_localaddr);
-  gpr_log(GPR_INFO, "MASTER CHANNEL %p ", ffd->master_channel);
-  /* the following will block. That's ok for this test */
-  conn_state = grpc_channel_check_connectivity_state(ffd->master_channel,
-                                                     1 /* try to connect */);
-  GPR_ASSERT(conn_state == GRPC_CHANNEL_IDLE);
-
-  /* here sniffed_subchannel should be ready to use */
-  GPR_ASSERT(conn_state == GRPC_CHANNEL_IDLE);
-  GPR_ASSERT(ffd->sniffed_subchannel != NULL);
-
-  connected = connect_subchannel(ffd->sniffed_subchannel);
-  f->client = grpc_client_uchannel_create(ffd->sniffed_subchannel, client_args);
-  grpc_client_uchannel_set_connected_subchannel(f->client, connected);
-  gpr_log(GPR_INFO, "CHANNEL WRAPPING SUBCHANNEL: %p(%p)", f->client,
-          ffd->sniffed_subchannel);
-
-  GPR_ASSERT(f->client);
-}
-
-static void chttp2_init_server_micro_fullstack(grpc_end2end_test_fixture *f,
-                                               grpc_channel_args *server_args) {
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-static void chttp2_tear_down_micro_fullstack(grpc_end2end_test_fixture *f) {
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  micro_fullstack_fixture_data *ffd = f->fixture_data;
-  grpc_channel_destroy(ffd->master_channel);
-  if (ffd->sniffed_subchannel) {
-    GRPC_SUBCHANNEL_UNREF(&exec_ctx, ffd->sniffed_subchannel, "sniffed");
-  }
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-  grpc_exec_ctx_finish(&exec_ctx);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/micro_fullstack", 0, chttp2_create_fixture_micro_fullstack,
-     chttp2_init_client_micro_fullstack, chttp2_init_server_micro_fullstack,
-     chttp2_tear_down_micro_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_uds+poll.c b/test/core/end2end/fixtures/h2_uds+poll.c
deleted file mode 100644
index 155017c887..0000000000
--- a/test/core/end2end/fixtures/h2_uds+poll.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "test/core/end2end/end2end_tests.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/port.h"
-#include "test/core/util/test_config.h"
-
-typedef struct fullstack_fixture_data {
-  char *localaddr;
-} fullstack_fixture_data;
-
-static int unique = 1;
-
-static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
-    grpc_channel_args *client_args, grpc_channel_args *server_args) {
-  grpc_end2end_test_fixture f;
-  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
-  memset(&f, 0, sizeof(f));
-
-  gpr_asprintf(&ffd->localaddr, "unix:/tmp/grpc_fullstack_test.%d.%d", getpid(),
-               unique++);
-
-  f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
-
-  return f;
-}
-
-void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
-}
-
-void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *server_args) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  if (f->server) {
-    grpc_server_destroy(f->server);
-  }
-  f->server = grpc_server_create(server_args, NULL);
-  grpc_server_register_completion_queue(f->server, f->cq, NULL);
-  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
-  grpc_server_start(f->server);
-}
-
-void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
-  fullstack_fixture_data *ffd = f->fixture_data;
-  gpr_free(ffd->localaddr);
-  gpr_free(ffd);
-}
-
-/* All test configurations */
-static grpc_end2end_test_config configs[] = {
-    {"chttp2/fullstack_uds", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION,
-     chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
-     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
-};
-
-int main(int argc, char **argv) {
-  size_t i;
-
-  grpc_platform_become_multipoller = grpc_poll_become_multipoller;
-
-  grpc_test_init(argc, argv);
-  grpc_init();
-
-  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
-    grpc_end2end_tests(argc, argv, configs[i]);
-  }
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/fixtures/h2_uds.c b/test/core/end2end/fixtures/h2_uds.c
index 30928270e5..cdbb4ec2cb 100644
--- a/test/core/end2end/fixtures/h2_uds.c
+++ b/test/core/end2end/fixtures/h2_uds.c
@@ -37,13 +37,6 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "src/core/channel/client_channel.h"
-#include "src/core/channel/connected_channel.h"
-#include "src/core/channel/http_server_filter.h"
-#include "src/core/support/string.h"
-#include "src/core/surface/channel.h"
-#include "src/core/surface/server.h"
-#include "src/core/transport/chttp2_transport.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
@@ -51,6 +44,13 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/end2end/fixtures/proxy.c b/test/core/end2end/fixtures/proxy.c
index 434e75dd15..a6487a17ac 100644
--- a/test/core/end2end/fixtures/proxy.c
+++ b/test/core/end2end/fixtures/proxy.c
@@ -338,10 +338,10 @@ static void on_new_call(void *arg, int success) {
         proxy->new_call_details.deadline, NULL);
     gpr_ref_init(&pc->refs, 1);
 
-    op.flags = 0;
     op.reserved = NULL;
 
     op.op = GRPC_OP_RECV_INITIAL_METADATA;
+    op.flags = 0;
     op.data.recv_initial_metadata = &pc->p2s_initial_metadata;
     refpc(pc, "on_p2s_recv_initial_metadata");
     err = grpc_call_start_batch(
@@ -349,6 +349,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_SEND_INITIAL_METADATA;
+    op.flags = proxy->new_call_details.flags;
     op.data.send_initial_metadata.count = pc->c2p_initial_metadata.count;
     op.data.send_initial_metadata.metadata = pc->c2p_initial_metadata.metadata;
     refpc(pc, "on_p2s_sent_initial_metadata");
@@ -357,6 +358,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_MESSAGE;
+    op.flags = 0;
     op.data.recv_message = &pc->c2p_msg;
     refpc(pc, "on_c2p_recv_msg");
     err = grpc_call_start_batch(pc->c2p, &op, 1,
@@ -364,6 +366,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_MESSAGE;
+    op.flags = 0;
     op.data.recv_message = &pc->p2s_msg;
     refpc(pc, "on_p2s_recv_msg");
     err = grpc_call_start_batch(pc->p2s, &op, 1,
@@ -371,6 +374,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+    op.flags = 0;
     op.data.recv_status_on_client.trailing_metadata =
         &pc->p2s_trailing_metadata;
     op.data.recv_status_on_client.status = &pc->p2s_status;
@@ -383,6 +387,7 @@ static void on_new_call(void *arg, int success) {
     GPR_ASSERT(err == GRPC_CALL_OK);
 
     op.op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+    op.flags = 0;
     op.data.recv_close_on_server.cancelled = &pc->c2p_server_cancelled;
     refpc(pc, "on_c2p_closed");
     err = grpc_call_start_batch(pc->c2p, &op, 1, new_closure(on_c2p_closed, pc),
diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index d4fa7ab518..43ad22e714 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -53,12 +53,9 @@ END2END_FIXTURES = {
     'h2_census': default_unsecure_fixture_options,
     'h2_fakesec': default_secure_fixture_options._replace(ci_mac=False),
     'h2_full': default_unsecure_fixture_options,
-    'h2_full+poll': default_unsecure_fixture_options._replace(
-        platforms=['linux']),
     'h2_full+pipe': default_unsecure_fixture_options._replace(
         platforms=['linux']),
-    'h2_full+poll+pipe': default_unsecure_fixture_options._replace(
-        platforms=['linux']),
+    'h2_full+trace': default_unsecure_fixture_options._replace(tracing=True),
     'h2_oauth2': default_secure_fixture_options._replace(ci_mac=False),
     'h2_proxy': default_unsecure_fixture_options._replace(includes_proxy=True,
                                                           ci_mac=False),
@@ -66,13 +63,10 @@ END2END_FIXTURES = {
         ci_mac=False),
     'h2_sockpair': socketpair_unsecure_fixture_options._replace(ci_mac=False),
     'h2_sockpair+trace': socketpair_unsecure_fixture_options._replace(
-        tracing=True),
+        ci_mac=False, tracing=True),
     'h2_ssl': default_secure_fixture_options,
-    'h2_ssl+poll': default_secure_fixture_options._replace(platforms=['linux']),
     'h2_ssl_proxy': default_secure_fixture_options._replace(includes_proxy=True,
                                                             ci_mac=False),
-    'h2_uchannel': default_unsecure_fixture_options._replace(fullstack=False),
-    'h2_uds+poll': uds_fixture_options._replace(platforms=['linux']),
     'h2_uds': uds_fixture_options,
 }
 
@@ -94,9 +88,8 @@ END2END_TESTS = {
     'cancel_before_invoke': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_in_a_vacuum': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_with_status': default_test_options._replace(cpu_cost=LOWCPU),
-    'channel_connectivity': connectivity_test_options._replace(proxyable=False, cpu_cost=LOWCPU),
-    'channel_ping': connectivity_test_options._replace(proxyable=False),
     'compressed_payload': default_test_options._replace(proxyable=False, cpu_cost=LOWCPU),
+    'connectivity': connectivity_test_options._replace(proxyable=False, cpu_cost=LOWCPU),
     'default_host': default_test_options._replace(needs_fullstack=True,
                                                   needs_dns=True),
     'disappearing_server': connectivity_test_options,
@@ -105,15 +98,16 @@ END2END_TESTS = {
     'hpack_size': default_test_options._replace(proxyable=False,
                                                 traceable=False),
     'high_initial_seqno': default_test_options,
+    'idempotent_request': default_test_options,
     'invoke_large_request': default_test_options,
     'large_metadata': default_test_options,
     'max_concurrent_streams': default_test_options._replace(proxyable=False),
     'max_message_length': default_test_options._replace(cpu_cost=LOWCPU),
-    'metadata': default_test_options,
     'negative_deadline': default_test_options,
     'no_op': default_test_options,
     'payload': default_test_options._replace(cpu_cost=LOWCPU),
     'ping_pong_streaming': default_test_options,
+    'ping': connectivity_test_options._replace(proxyable=False),
     'registered_call': default_test_options,
     'request_with_flags': default_test_options._replace(proxyable=False),
     'request_with_payload': default_test_options,
@@ -121,6 +115,7 @@ END2END_TESTS = {
     'shutdown_finishes_calls': default_test_options,
     'shutdown_finishes_tags': default_test_options,
     'simple_delayed_request': connectivity_test_options._replace(cpu_cost=LOWCPU),
+    'simple_metadata': default_test_options,
     'simple_request': default_test_options,
     'trailing_metadata': default_test_options,
 }
@@ -150,13 +145,16 @@ def without(l, e):
 
 def main():
   sec_deps = [
-    'end2end_certs',
     'grpc_test_util',
-    'grpc'
+    'grpc',
+    'gpr_test_util',
+    'gpr'
   ]
   unsec_deps = [
     'grpc_test_util_unsecure',
-    'grpc_unsecure'
+    'grpc_unsecure',
+    'gpr_test_util',
+    'gpr'
   ]
   json = {
       '#': 'generated with test/end2end/gen_build_json.py',
@@ -189,18 +187,6 @@ def main():
               'deps': unsec_deps,
               'vs_proj_dir': 'test/end2end/tests',
           }
-      ] + [
-          {
-              'name': 'end2end_certs',
-              'build': 'private',
-              'language': 'c',
-              'src': [
-                  "test/core/end2end/data/test_root_cert.c",
-                  "test/core/end2end/data/server1_cert.c",
-                  "test/core/end2end/data/server1_key.c"
-              ],
-              'vs_proj_dir': 'test/end2end',
-          }
       ],
       'targets': [
           {
diff --git a/test/core/end2end/goaway_server_test.c b/test/core/end2end/goaway_server_test.c
new file mode 100644
index 0000000000..5f8c2641e7
--- /dev/null
+++ b/test/core/end2end/goaway_server_test.c
@@ -0,0 +1,301 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <string.h>
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+
+static void *tag(intptr_t i) { return (void *)i; }
+
+static gpr_mu g_mu;
+static int g_resolve_port = -1;
+static grpc_resolved_addresses *(*iomgr_resolve_address)(
+    const char *name, const char *default_port);
+
+static void set_resolve_port(int port) {
+  gpr_mu_lock(&g_mu);
+  g_resolve_port = port;
+  gpr_mu_unlock(&g_mu);
+}
+
+static grpc_resolved_addresses *my_resolve_address(const char *name,
+                                                   const char *addr) {
+  if (0 != strcmp(name, "test")) {
+    return iomgr_resolve_address(name, addr);
+  }
+
+  gpr_mu_lock(&g_mu);
+  if (g_resolve_port < 0) {
+    gpr_mu_unlock(&g_mu);
+    return NULL;
+  } else {
+    grpc_resolved_addresses *addrs = gpr_malloc(sizeof(*addrs));
+    addrs->naddrs = 1;
+    addrs->addrs = gpr_malloc(sizeof(*addrs->addrs));
+    memset(addrs->addrs, 0, sizeof(*addrs->addrs));
+    struct sockaddr_in *sa = (struct sockaddr_in *)addrs->addrs[0].addr;
+    sa->sin_family = AF_INET;
+    sa->sin_addr.s_addr = htonl(0x7f000001);
+    sa->sin_port = htons((uint16_t)g_resolve_port);
+    addrs->addrs[0].len = sizeof(*sa);
+    gpr_mu_unlock(&g_mu);
+    return addrs;
+  }
+}
+
+int main(int argc, char **argv) {
+  grpc_completion_queue *cq;
+  cq_verifier *cqv;
+  grpc_op ops[6];
+  grpc_op *op;
+
+  grpc_test_init(argc, argv);
+
+  gpr_mu_init(&g_mu);
+  iomgr_resolve_address = grpc_blocking_resolve_address;
+  grpc_blocking_resolve_address = my_resolve_address;
+  grpc_init();
+
+  int was_cancelled1;
+  int was_cancelled2;
+
+  grpc_metadata_array trailing_metadata_recv1;
+  grpc_metadata_array request_metadata1;
+  grpc_call_details request_details1;
+  grpc_status_code status1;
+  char *details1 = NULL;
+  size_t details_capacity1 = 0;
+  grpc_metadata_array_init(&trailing_metadata_recv1);
+  grpc_metadata_array_init(&request_metadata1);
+  grpc_call_details_init(&request_details1);
+
+  grpc_metadata_array trailing_metadata_recv2;
+  grpc_metadata_array request_metadata2;
+  grpc_call_details request_details2;
+  grpc_status_code status2;
+  char *details2 = NULL;
+  size_t details_capacity2 = 0;
+  grpc_metadata_array_init(&trailing_metadata_recv2);
+  grpc_metadata_array_init(&request_metadata2);
+  grpc_call_details_init(&request_details2);
+
+  cq = grpc_completion_queue_create(NULL);
+  cqv = cq_verifier_create(cq);
+
+  /* reserve two ports */
+  int port1 = grpc_pick_unused_port_or_die();
+  int port2 = grpc_pick_unused_port_or_die();
+
+  char *addr;
+
+  /* create a channel that picks first amongst the servers */
+  grpc_channel *chan = grpc_insecure_channel_create("test", NULL, NULL);
+  /* and an initial call to them */
+  grpc_call *call1 = grpc_channel_create_call(
+      chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq, "/foo", "127.0.0.1",
+      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20), NULL);
+  /* send initial metadata to probe connectivity */
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x101), NULL));
+  /* and receive status to probe termination */
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv1;
+  op->data.recv_status_on_client.status = &status1;
+  op->data.recv_status_on_client.status_details = &details1;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity1;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x102), NULL));
+
+  /* bring a server up on the first port */
+  grpc_server *server1 = grpc_server_create(NULL, NULL);
+  gpr_asprintf(&addr, "127.0.0.1:%d", port1);
+  grpc_server_add_insecure_http2_port(server1, addr);
+  grpc_server_register_completion_queue(server1, cq, NULL);
+  gpr_free(addr);
+  grpc_server_start(server1);
+
+  /* request a call to the server */
+  grpc_call *server_call1;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server1, &server_call1, &request_details1,
+                                      &request_metadata1, cq, cq, tag(0x301)));
+
+  set_resolve_port(port1);
+
+  /* first call should now start */
+  cq_expect_completion(cqv, tag(0x101), 1);
+  cq_expect_completion(cqv, tag(0x301), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(GRPC_CHANNEL_READY ==
+             grpc_channel_check_connectivity_state(chan, 0));
+  grpc_channel_watch_connectivity_state(chan, GRPC_CHANNEL_READY,
+                                        gpr_inf_future(GPR_CLOCK_REALTIME), cq,
+                                        tag(0x9999));
+
+  /* listen for close on the server call to probe for finishing */
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled1;
+  op->flags = 0;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(server_call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x302), NULL));
+
+  /* shutdown first server:
+   * we should see a connectivity change and then nothing */
+  set_resolve_port(-1);
+  grpc_server_shutdown_and_notify(server1, cq, tag(0xdead1));
+  cq_expect_completion(cqv, tag(0x9999), 1);
+  cq_verify(cqv);
+  cq_verify_empty(cqv);
+
+  /* and a new call: should go through to server2 when we start it */
+  grpc_call *call2 = grpc_channel_create_call(
+      chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq, "/foo", "127.0.0.1",
+      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(20), NULL);
+  /* send initial metadata to probe connectivity */
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x201), NULL));
+  /* and receive status to probe termination */
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv2;
+  op->data.recv_status_on_client.status = &status2;
+  op->data.recv_status_on_client.status_details = &details2;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity2;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x202), NULL));
+
+  /* and bring up second server */
+  set_resolve_port(port2);
+  grpc_server *server2 = grpc_server_create(NULL, NULL);
+  gpr_asprintf(&addr, "127.0.0.1:%d", port2);
+  grpc_server_add_insecure_http2_port(server2, addr);
+  grpc_server_register_completion_queue(server2, cq, NULL);
+  gpr_free(addr);
+  grpc_server_start(server2);
+
+  /* request a call to the server */
+  grpc_call *server_call2;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server2, &server_call2, &request_details2,
+                                      &request_metadata2, cq, cq, tag(0x401)));
+
+  /* second call should now start */
+  cq_expect_completion(cqv, tag(0x201), 1);
+  cq_expect_completion(cqv, tag(0x401), 1);
+  cq_verify(cqv);
+
+  /* listen for close on the server call to probe for finishing */
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled2;
+  op->flags = 0;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(server_call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x402), NULL));
+
+  /* shutdown second server: we should see nothing */
+  grpc_server_shutdown_and_notify(server2, cq, tag(0xdead2));
+  cq_verify_empty(cqv);
+
+  grpc_call_cancel(call1, NULL);
+  grpc_call_cancel(call2, NULL);
+
+  /* now everything else should finish */
+  cq_expect_completion(cqv, tag(0x102), 1);
+  cq_expect_completion(cqv, tag(0x202), 1);
+  cq_expect_completion(cqv, tag(0x302), 1);
+  cq_expect_completion(cqv, tag(0x402), 1);
+  cq_expect_completion(cqv, tag(0xdead1), 1);
+  cq_expect_completion(cqv, tag(0xdead2), 1);
+  cq_verify(cqv);
+
+  grpc_call_destroy(call1);
+  grpc_call_destroy(call2);
+  grpc_call_destroy(server_call1);
+  grpc_call_destroy(server_call2);
+  grpc_server_destroy(server1);
+  grpc_server_destroy(server2);
+  grpc_channel_destroy(chan);
+
+  grpc_metadata_array_destroy(&trailing_metadata_recv1);
+  grpc_metadata_array_destroy(&request_metadata1);
+  grpc_call_details_destroy(&request_details1);
+  gpr_free(details1);
+  grpc_metadata_array_destroy(&trailing_metadata_recv2);
+  grpc_metadata_array_destroy(&request_metadata2);
+  grpc_call_details_destroy(&request_details2);
+  gpr_free(details2);
+
+  cq_verifier_destroy(cqv);
+  grpc_completion_queue_destroy(cq);
+
+  grpc_shutdown();
+  gpr_mu_destroy(&g_mu);
+
+  return 0;
+}
diff --git a/test/core/end2end/invalid_call_argument_test.c b/test/core/end2end/invalid_call_argument_test.c
index 4029e96a41..cf42e92a1a 100644
--- a/test/core/end2end/invalid_call_argument_test.c
+++ b/test/core/end2end/invalid_call_argument_test.c
@@ -63,7 +63,7 @@ struct test_state {
 static struct test_state g_state;
 
 static void prepare_test(int is_client) {
-  int port;
+  int port = grpc_pick_unused_port_or_die();
   char *server_hostport;
   grpc_op *op;
   g_state.is_client = is_client;
@@ -85,7 +85,6 @@ static void prepare_test(int is_client) {
   } else {
     g_state.server = grpc_server_create(NULL, NULL);
     grpc_server_register_completion_queue(g_state.server, g_state.cq, NULL);
-    port = grpc_pick_unused_port_or_die();
     gpr_join_host_port(&server_hostport, "0.0.0.0", port);
     grpc_server_add_insecure_http2_port(g_state.server, server_hostport);
     grpc_server_start(g_state.server);
@@ -131,20 +130,23 @@ static void cleanup_test() {
     grpc_server_shutdown_and_notify(g_state.server, g_state.cq, tag(1000));
     GPR_ASSERT(grpc_completion_queue_pluck(g_state.cq, tag(1000),
                                            GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                           NULL).type == GRPC_OP_COMPLETE);
+                                           NULL)
+                   .type == GRPC_OP_COMPLETE);
     grpc_server_destroy(g_state.server);
     grpc_call_details_destroy(&g_state.call_details);
     grpc_metadata_array_destroy(&g_state.server_initial_metadata_recv);
   }
   grpc_completion_queue_shutdown(g_state.cq);
   while (grpc_completion_queue_next(g_state.cq,
-                                    gpr_inf_future(GPR_CLOCK_REALTIME),
-                                    NULL).type != GRPC_QUEUE_SHUTDOWN)
+                                    gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
+             .type != GRPC_QUEUE_SHUTDOWN)
     ;
   grpc_completion_queue_destroy(g_state.cq);
 }
 
 static void test_non_null_reserved_on_start_batch() {
+  gpr_log(GPR_INFO, "test_non_null_reserved_on_start_batch");
+
   prepare_test(1);
   GPR_ASSERT(GRPC_CALL_ERROR ==
              grpc_call_start_batch(g_state.call, NULL, 0, NULL, tag(1)));
@@ -152,6 +154,8 @@ static void test_non_null_reserved_on_start_batch() {
 }
 
 static void test_non_null_reserved_on_op() {
+  gpr_log(GPR_INFO, "test_non_null_reserved_on_op");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -168,6 +172,8 @@ static void test_non_null_reserved_on_op() {
 }
 
 static void test_send_initial_metadata_more_than_once() {
+  gpr_log(GPR_INFO, "test_send_initial_metadata_more_than_once");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -196,6 +202,8 @@ static void test_send_initial_metadata_more_than_once() {
 }
 
 static void test_too_many_metadata() {
+  gpr_log(GPR_INFO, "test_too_many_metadata");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -212,6 +220,8 @@ static void test_too_many_metadata() {
 }
 
 static void test_send_null_message() {
+  gpr_log(GPR_INFO, "test_send_null_message");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -233,6 +243,8 @@ static void test_send_null_message() {
 }
 
 static void test_send_messages_at_the_same_time() {
+  gpr_log(GPR_INFO, "test_send_messages_at_the_same_time");
+
   grpc_op *op;
   gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
@@ -262,6 +274,8 @@ static void test_send_messages_at_the_same_time() {
 }
 
 static void test_send_server_status_from_client() {
+  gpr_log(GPR_INFO, "test_send_server_status_from_client");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -280,6 +294,8 @@ static void test_send_server_status_from_client() {
 }
 
 static void test_receive_initial_metadata_twice_at_client() {
+  gpr_log(GPR_INFO, "test_receive_initial_metadata_twice_at_client");
+
   grpc_op *op;
   prepare_test(1);
   op = g_state.ops;
@@ -306,6 +322,8 @@ static void test_receive_initial_metadata_twice_at_client() {
 }
 
 static void test_receive_message_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_receive_message_with_invalid_flags");
+
   grpc_op *op;
   grpc_byte_buffer *payload = NULL;
   prepare_test(1);
@@ -322,6 +340,8 @@ static void test_receive_message_with_invalid_flags() {
 }
 
 static void test_receive_two_messages_at_the_same_time() {
+  gpr_log(GPR_INFO, "test_receive_two_messages_at_the_same_time");
+
   grpc_op *op;
   grpc_byte_buffer *payload = NULL;
   prepare_test(1);
@@ -343,6 +363,8 @@ static void test_receive_two_messages_at_the_same_time() {
 }
 
 static void test_recv_close_on_server_from_client() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_from_client");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -359,6 +381,8 @@ static void test_recv_close_on_server_from_client() {
 }
 
 static void test_recv_status_on_client_twice() {
+  gpr_log(GPR_INFO, "test_recv_status_on_client_twice");
+
   grpc_op *op;
   prepare_test(1);
 
@@ -395,6 +419,8 @@ static void test_recv_status_on_client_twice() {
 }
 
 static void test_send_close_from_client_on_server() {
+  gpr_log(GPR_INFO, "test_send_close_from_client_on_server");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -410,6 +436,8 @@ static void test_send_close_from_client_on_server() {
 }
 
 static void test_recv_status_on_client_from_server() {
+  gpr_log(GPR_INFO, "test_recv_status_on_client_from_server");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -431,6 +459,8 @@ static void test_recv_status_on_client_from_server() {
 }
 
 static void test_send_status_from_server_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_send_status_from_server_with_invalid_flags");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -449,6 +479,8 @@ static void test_send_status_from_server_with_invalid_flags() {
 }
 
 static void test_too_many_trailing_metadata() {
+  gpr_log(GPR_INFO, "test_too_many_trailing_metadata");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -468,6 +500,8 @@ static void test_too_many_trailing_metadata() {
 }
 
 static void test_send_server_status_twice() {
+  gpr_log(GPR_INFO, "test_send_server_status_twice");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -493,6 +527,8 @@ static void test_send_server_status_twice() {
 }
 
 static void test_recv_close_on_server_with_invalid_flags() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_with_invalid_flags");
+
   grpc_op *op;
   prepare_test(0);
 
@@ -509,6 +545,8 @@ static void test_recv_close_on_server_with_invalid_flags() {
 }
 
 static void test_recv_close_on_server_twice() {
+  gpr_log(GPR_INFO, "test_recv_close_on_server_twice");
+
   grpc_op *op;
   prepare_test(0);
 
diff --git a/test/core/end2end/no_server_test.c b/test/core/end2end/no_server_test.c
index 5c971eac6a..7a5cd2335f 100644
--- a/test/core/end2end/no_server_test.c
+++ b/test/core/end2end/no_server_test.c
@@ -88,8 +88,9 @@ int main(int argc, char **argv) {
   GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
 
   grpc_completion_queue_shutdown(cq);
-  while (grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
-                                    NULL).type != GRPC_QUEUE_SHUTDOWN)
+  while (
+      grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
+          .type != GRPC_QUEUE_SHUTDOWN)
     ;
   grpc_completion_queue_destroy(cq);
   grpc_call_destroy(call);
diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index 14587389c7..eb1fa46de3 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -152,7 +152,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   cq_expect_completion(cqv, tag(1), 1);
   cq_verify(cqv);
 
-  GPR_ASSERT(status == GRPC_STATUS_INVALID_ARGUMENT);
+  GPR_ASSERT(status == GRPC_STATUS_INTERNAL);
 
   gpr_free(details);
   grpc_metadata_array_destroy(&initial_metadata_recv);
diff --git a/test/core/end2end/tests/binary_metadata.c b/test/core/end2end/tests/binary_metadata.c
index 4eccd16c4c..54583b09bc 100644
--- a/test/core/end2end/tests/binary_metadata.c
+++ b/test/core/end2end/tests/binary_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/call_creds.c b/test/core/end2end/tests/call_creds.c
index c9d4251b68..a3f86a76c7 100644
--- a/test/core/end2end/tests/call_creds.c
+++ b/test/core/end2end/tests/call_creds.c
@@ -36,15 +36,15 @@
 #include <stdio.h>
 #include <string.h>
 
-#include <grpc/grpc_security.h>
 #include <grpc/byte_buffer.h>
+#include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
 
 static const char iam_token[] = "token";
 static const char iam_selector[] = "selector";
@@ -93,9 +93,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 4646bf7bca..08d0ef6e51 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/cancel_after_client_done.c b/test/core/end2end/tests/cancel_after_client_done.c
index 364598a76a..f85ffad118 100644
--- a/test/core/end2end/tests/cancel_after_client_done.c
+++ b/test/core/end2end/tests/cancel_after_client_done.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index ec0b0dea4c..e7d6e0098a 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index 7b432fe87e..a4f47f01fa 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/cancel_in_a_vacuum.c b/test/core/end2end/tests/cancel_in_a_vacuum.c
index 214ab2b9e8..73a6fc452a 100644
--- a/test/core/end2end/tests/cancel_in_a_vacuum.c
+++ b/test/core/end2end/tests/cancel_in_a_vacuum.c
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/cancel_with_status.c b/test/core/end2end/tests/cancel_with_status.c
index 1541ca099f..aa73d48891 100644
--- a/test/core/end2end/tests/cancel_with_status.c
+++ b/test/core/end2end/tests/cancel_with_status.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/compressed_payload.c b/test/core/end2end/tests/compressed_payload.c
index 33b1d8f9fe..d5cf9a7858 100644
--- a/test/core/end2end/tests/compressed_payload.c
+++ b/test/core/end2end/tests/compressed_payload.c
@@ -43,10 +43,10 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/surface/call_test_only.h"
 #include "test/core/end2end/cq_verifier.h"
-#include "src/core/channel/channel_args.h"
-#include "src/core/channel/compress_filter.h"
-#include "src/core/surface/call_test_only.h"
 
 enum { TIMEOUT = 200000 };
 
@@ -80,9 +80,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/channel_connectivity.c b/test/core/end2end/tests/connectivity.c
index 0e21e65557..edef2ff68b 100644
--- a/test/core/end2end/tests/channel_connectivity.c
+++ b/test/core/end2end/tests/connectivity.c
@@ -168,7 +168,7 @@ static void test_connectivity(grpc_end2end_test_config config) {
   cq_verifier_destroy(cqv);
 }
 
-void channel_connectivity(grpc_end2end_test_config config) {
+void connectivity(grpc_end2end_test_config config) {
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   test_connectivity(config);
 }
diff --git a/test/core/end2end/tests/default_host.c b/test/core/end2end/tests/default_host.c
index dc3303436b..105f4e68f0 100644
--- a/test/core/end2end/tests/default_host.c
+++ b/test/core/end2end/tests/default_host.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/empty_batch.c b/test/core/end2end/tests/empty_batch.c
index 24320c0f32..95df93ac5b 100644
--- a/test/core/end2end/tests/empty_batch.c
+++ b/test/core/end2end/tests/empty_batch.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/high_initial_seqno.c b/test/core/end2end/tests/high_initial_seqno.c
index 8d16ef5f5e..8b6e50bdd8 100644
--- a/test/core/end2end/tests/high_initial_seqno.c
+++ b/test/core/end2end/tests/high_initial_seqno.c
@@ -44,7 +44,7 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -79,9 +79,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/hpack_size.c b/test/core/end2end/tests/hpack_size.c
index fd4fe3419f..15efcd23bf 100644
--- a/test/core/end2end/tests/hpack_size.c
+++ b/test/core/end2end/tests/hpack_size.c
@@ -44,7 +44,7 @@
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 static void *tag(intptr_t t) { return (void *)t; }
@@ -262,9 +262,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/idempotent_request.c b/test/core/end2end/tests/idempotent_request.c
new file mode 100644
index 0000000000..1bc6450414
--- /dev/null
+++ b/test/core/end2end/tests/idempotent_request.c
@@ -0,0 +1,248 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f) {
+  grpc_call *c;
+  grpc_call *s;
+  gpr_timespec deadline = five_seconds_time();
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+  char *peer;
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr:1234", deadline,
+                               NULL);
+  GPR_ASSERT(c);
+
+  peer = grpc_call_get_peer(c);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer);
+  gpr_free(peer);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  error =
+      grpc_server_request_call(f.server, &s, &call_details,
+                               &request_metadata_recv, f.cq, f.cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  cq_expect_completion(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  peer = grpc_call_get_peer(s);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "server_peer=%s", peer);
+  gpr_free(peer);
+  peer = grpc_call_get_peer(c);
+  GPR_ASSERT(peer != NULL);
+  gpr_log(GPR_DEBUG, "client_peer=%s", peer);
+  gpr_free(peer);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+  op->data.send_status_from_server.trailing_metadata_count = 0;
+  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(102), 1);
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(0 == strcmp(details, "xyz"));
+  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
+  GPR_ASSERT(GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST == call_details.flags);
+  GPR_ASSERT(was_cancelled == 1);
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+  grpc_call_destroy(s);
+
+  cq_verifier_destroy(cqv);
+}
+
+static void test_invoke_simple_request(grpc_end2end_test_config config) {
+  grpc_end2end_test_fixture f;
+
+  f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
+  simple_request_body(f);
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
+  int i;
+  grpc_end2end_test_fixture f =
+      begin_test(config, "test_invoke_10_simple_requests", NULL, NULL);
+  for (i = 0; i < 10; i++) {
+    simple_request_body(f);
+    gpr_log(GPR_INFO, "Passed simple request %d", i);
+  }
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void idempotent_request(grpc_end2end_test_config config) {
+  int i;
+  for (i = 0; i < 10; i++) {
+    test_invoke_simple_request(config);
+  }
+  test_invoke_10_simple_requests(config);
+}
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index f0b019821d..28c0e36461 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -73,9 +73,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/large_metadata.c b/test/core/end2end/tests/large_metadata.c
index 1b41e89b26..173c20996e 100644
--- a/test/core/end2end/tests/large_metadata.c
+++ b/test/core/end2end/tests/large_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index d6b2a06f9b..60e9ecd7d8 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 59ab7f476c..00a83ecb33 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/negative_deadline.c b/test/core/end2end/tests/negative_deadline.c
index 2109310634..0cc68a33a1 100644
--- a/test/core/end2end/tests/negative_deadline.c
+++ b/test/core/end2end/tests/negative_deadline.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/no_op.c b/test/core/end2end/tests/no_op.c
index 4bc1d631d1..9dda569cb9 100644
--- a/test/core/end2end/tests/no_op.c
+++ b/test/core/end2end/tests/no_op.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/payload.c b/test/core/end2end/tests/payload.c
index bc220cbdc9..e9272b6bce 100644
--- a/test/core/end2end/tests/payload.c
+++ b/test/core/end2end/tests/payload.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/channel_ping.c b/test/core/end2end/tests/ping.c
index 73fab206fb..f42f186502 100644
--- a/test/core/end2end/tests/channel_ping.c
+++ b/test/core/end2end/tests/ping.c
@@ -91,7 +91,7 @@ static void test_ping(grpc_end2end_test_config config) {
   cq_verifier_destroy(cqv);
 }
 
-void channel_ping(grpc_end2end_test_config config) {
+void ping(grpc_end2end_test_config config) {
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   test_ping(config);
 }
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 8351f508c5..ac4e810573 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index d9d2b19d12..a67df863d5 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index 340aba6cdb..9d01ddc94c 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/transport/byte_stream.h"
+#include "src/core/lib/transport/byte_stream.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -76,9 +76,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 1aced6a875..9866d39000 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index 6bca8d476c..2a26c98916 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index 0afef7503b..122dcd0a5b 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -63,9 +63,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -120,7 +120,7 @@ static void simple_delayed_request_body(grpc_end2end_test_config config,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
diff --git a/test/core/end2end/tests/metadata.c b/test/core/end2end/tests/simple_metadata.c
index 5e92091eb7..084c0df817 100644
--- a/test/core/end2end/tests/metadata.c
+++ b/test/core/end2end/tests/simple_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -260,6 +260,6 @@ static void test_request_response_with_metadata_and_payload(
   config.tear_down_data(&f);
 }
 
-void metadata(grpc_end2end_test_config config) {
+void simple_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index 3720cd1631..68db58d225 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -36,13 +36,13 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/byte_buffer.h>
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };
@@ -77,9 +77,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
@@ -203,6 +203,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
+  GPR_ASSERT(0 == call_details.flags);
   GPR_ASSERT(was_cancelled == 1);
 
   gpr_free(details);
diff --git a/test/core/end2end/tests/trailing_metadata.c b/test/core/end2end/tests/trailing_metadata.c
index 78525e9538..99e1e2264a 100644
--- a/test/core/end2end/tests/trailing_metadata.c
+++ b/test/core/end2end/tests/trailing_metadata.c
@@ -75,9 +75,9 @@ static void drain_cq(grpc_completion_queue *cq) {
 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }
diff --git a/test/core/fling/client.c b/test/core/fling/client.c
index 02db681cfd..81562277ec 100644
--- a/test/core/fling/client.c
+++ b/test/core/fling/client.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "test/core/util/grpc_profiler.h"
 #include "test/core/util/test_config.h"
 
@@ -51,7 +51,7 @@ static grpc_channel *channel;
 static grpc_completion_queue *cq;
 static grpc_call *call;
 static grpc_op ops[6];
-static grpc_op stream_init_op;
+static grpc_op stream_init_ops[2];
 static grpc_op stream_step_ops[2];
 static grpc_metadata_array initial_metadata_recv;
 static grpc_metadata_array trailing_metadata_recv;
@@ -105,13 +105,17 @@ static void step_ping_pong_request(void) {
 }
 
 static void init_ping_pong_stream(void) {
+  grpc_metadata_array_init(&initial_metadata_recv);
+
   grpc_call_error error;
   call = grpc_channel_create_call(channel, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
                                   "/Reflector/reflectStream", "localhost",
                                   gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
-  stream_init_op.op = GRPC_OP_SEND_INITIAL_METADATA;
-  stream_init_op.data.send_initial_metadata.count = 0;
-  error = grpc_call_start_batch(call, &stream_init_op, 1, (void *)1, NULL);
+  stream_init_ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
+  stream_init_ops[0].data.send_initial_metadata.count = 0;
+  stream_init_ops[1].op = GRPC_OP_RECV_INITIAL_METADATA;
+  stream_init_ops[1].data.recv_initial_metadata = &initial_metadata_recv;
+  error = grpc_call_start_batch(call, stream_init_ops, 2, (void *)1, NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
   grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
 
diff --git a/test/core/fling/fling_stream_test.c b/test/core/fling/fling_stream_test.c
index 78a73372aa..7e4daaa84f 100644
--- a/test/core/fling/fling_stream_test.c
+++ b/test/core/fling/fling_stream_test.c
@@ -35,19 +35,19 @@
 #define _POSIX_SOURCE
 #endif
 
-#include <unistd.h>
 #include <assert.h>
-#include <stdio.h>
-#include <string.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/fling/fling_test.c b/test/core/fling/fling_test.c
index cf43ecfd2d..6663ad3507 100644
--- a/test/core/fling/fling_test.c
+++ b/test/core/fling/fling_test.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/port.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/fling/server.c b/test/core/fling/server.c
index 42be20e42d..fd446f1128 100644
--- a/test/core/fling/server.c
+++ b/test/core/fling/server.c
@@ -49,7 +49,7 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 #include "test/core/util/grpc_profiler.h"
 #include "test/core/util/port.h"
diff --git a/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427 b/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427
new file mode 100644
index 0000000000..3d6face56a
--- /dev/null
+++ b/test/core/http/corpus/0299ca2580e4398d170c4a336e0c33eb2cd9d427
@@ -0,0 +1,2 @@
+HTTP/1.1 …200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba b/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba
new file mode 100644
index 0000000000..5cbaf2e460
--- /dev/null
+++ b/test/core/http/corpus/05e613853d64a9669ea3cf41b0de777dc24931ba
@@ -0,0 +1,2 @@
+HTTP/1.1 8) pMKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97 b/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97
new file mode 100644
index 0000000000..8831f0786b
--- /dev/null
+++ b/test/core/http/corpus/069352518a1d1baa05f317c677d275cefda2ac97
@@ -0,0 +1,2 @@
+HTTP/1.1 80) OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34 b/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34
new file mode 100644
index 0000000000..10967d975c
--- /dev/null
+++ b/test/core/http/corpus/0925527c9358b1e10ec0f0387cd99f35204d9a34
@@ -0,0 +1,2 @@
+„HTT/21. 200 HT!TP/1OKH.1HTTP 200 OKH

+tHT//1T0P.1y 2001.
\ No newline at end of file
diff --git a/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d b/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d
new file mode 100644
index 0000000000..c79e456904
--- /dev/null
+++ b/test/core/http/corpus/0c5b7c2569410b526605e308309a7f36574e530d
@@ -0,0 +1,4 @@
+H
TTP/16.1 200 OK
+test: h!ello
+
+abcd
diff --git a/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf b/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf
new file mode 100644
index 0000000000..7b979b5e10
--- /dev/null
+++ b/test/core/http/corpus/0ef3d0a84360bb5ad66274f1226f5cb273ecdbcf
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH

+tHTTP/01.021  Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4 b/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4
new file mode 100644
index 0000000000..67382b4f3a
--- /dev/null
+++ b/test/core/http/corpus/1e1273f90187fdf5df3625764245610f86af6aa4
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKHHTTP‰/1.200 OKH

+

+tHTHTTP/0 20T:tes/01.
\ No newline at end of file
diff --git a/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55 b/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55
new file mode 100644
index 0000000000..deb8265a30
--- /dev/null
+++ b/test/core/http/corpus/1fbc57d118f3733287e9a9d808bb8947b3260e55
@@ -0,0 +1,3 @@
+JHTT/21. 2è0 HTTP/1.1 200 OKHHTTP‰/1.200 OKH

+

+tHTHTHTJHTTPT
\ No newline at end of file
diff --git a/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f b/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f
new file mode 100644
index 0000000000..9f2e0e4a25
--- /dev/null
+++ b/test/core/http/corpus/24756c396bc72894fd720092bb6f9c03e66b469f
@@ -0,0 +1,2 @@
+JHTT/21. 200œHTT/0OKH.1 HTTP/200 OKH

+tH1.T
\ No newline at end of file
diff --git a/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f b/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f
new file mode 100644
index 0000000000..4db04b260a
--- /dev/null
+++ b/test/core/http/corpus/276def41311933421ae7a9ee42e906c85b6a4d3f
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/11 2*0 OKH

+	 HTDP/01.021 : OesHK
,H

diff --git a/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9 b/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9
new file mode 100644
index 0000000000..cee70bfe71
--- /dev/null
+++ b/test/core/http/corpus/29daa75432381937fd005cb25e314e328de6e9f9
@@ -0,0 +1,2 @@
+JHTT¹21. 200HTT/0OKH1 HTTP/100 OKH

+tH1.T
\ No newline at end of file
diff --git a/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc b/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc
new file mode 100644
index 0000000000..e76b00e34c
--- /dev/null
+++ b/test/core/http/corpus/2a75204bc492084ad853682f8de3fb137d5907bc
@@ -0,0 +1,2 @@
+GET / HTTHTTP/1.1 200 OKH

+t10H
\ No newline at end of file
diff --git a/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305 b/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305
new file mode 100644
index 0000000000..7435f52ea5
--- /dev/null
+++ b/test/core/http/corpus/2d34ba249b755a880525cf53c665633a5e359305
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/22 2*0 OKH

+	 HTDP/01.021 : OesHK
,H

diff --git a/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2 b/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2
new file mode 100644
index 0000000000..cce8ded71a
--- /dev/null
+++ b/test/core/http/corpus/33f4ea0c7ea27c37d8f95cfa64d282370efdafd2
@@ -0,0 +1,2 @@
+HTTP/1*9y 200 OKm

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b b/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b
new file mode 100644
index 0000000000..57efa3cabc
--- /dev/null
+++ b/test/core/http/corpus/35554617ea6418bd43161fe9a2c337ed82d7ec5b
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/0OKH.1 200 OKH

+tHTTP/01.021  Oes,H

+t

+t
\ No newline at end of file
diff --git a/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece b/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece
new file mode 100644
index 0000000000..8df43e4dce
--- /dev/null
+++ b/test/core/http/corpus/35f0c561297cfc840ddaeebb9fc61091f4eadece
@@ -0,0 +1,2 @@
+HTTP/1.9y 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d b/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d
new file mode 100644
index 0000000000..f85f1df035
--- /dev/null
+++ b/test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d
@@ -0,0 +1,3 @@
+žHTTP/1.1 200 HH
+OK 	
TDP/01.021 : Oe:,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76 b/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76
new file mode 100644
index 0000000000..fefa4512a8
--- /dev/null
+++ b/test/core/http/corpus/39b19c41ba537f37511eff7727733715db432e76
@@ -0,0 +1,2 @@
+HTTP/1.1 000 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac b/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac
new file mode 100644
index 0000000000..b967b57614
--- /dev/null
+++ b/test/core/http/corpus/3e3c4756d5e40b5aa250954cbac86b826e70a7ac
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH

+tHTTP/01.021 : Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b b/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b
new file mode 100644
index 0000000000..8af90071c3
--- /dev/null
+++ b/test/core/http/corpus/3f03265921120c6ffa61b944e213e062a5538d4b
@@ -0,0 +1,2 @@
+@TTP/1.1y 002ÿOKH

+ves
\ No newline at end of file
diff --git a/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046 b/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046
new file mode 100644
index 0000000000..7d20266703
--- /dev/null
+++ b/test/core/http/corpus/3fb034e66ee5494a67acae1b4e6ff64ba92a2046
@@ -0,0 +1,2 @@
+HTTP/1.1y 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9 b/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9
new file mode 100644
index 0000000000..5996b9a75c
--- /dev/null
+++ b/test/core/http/corpus/466059ed07a0d55d6ad5e522c7d367cbf278eaf9
@@ -0,0 +1,4 @@
+JHTTP/1.1 +00 HTTP/1.1 200 OKHHTTPOKH
‰/1.
+200 OKtH

+

+tHTH
\ No newline at end of file
diff --git a/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa b/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa
new file mode 100644
index 0000000000..c59c4d2246
--- /dev/null
+++ b/test/core/http/corpus/487725eb38511c79a9340bf4560a1411061fa6fa
@@ -0,0 +1,2 @@
+HTTP/01.021  O,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5 b/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5
new file mode 100644
index 0000000000..8ac7ceb2d5
--- /dev/null
+++ b/test/core/http/corpus/48b9b205cae8ac21512a3f26f49fd53e21ee13c5
@@ -0,0 +1,2 @@
+ITTP/11 …20O HK

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55 b/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55
new file mode 100644
index 0000000000..49d1c8f1d2
--- /dev/null
+++ b/test/core/http/corpus/4b1f1f79a0bfa3f942479dd5f8edb59a7c257c55
@@ -0,0 +1,2 @@
+HTTP/1.1 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d b/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d
new file mode 100644
index 0000000000..5f2c4dfef0
--- /dev/null
+++ b/test/core/http/corpus/5028c56a5116a186b7343ff59567b47347a0796d
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH

+	 HTDP/01.021 : Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff b/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff
new file mode 100644
index 0000000000..6313cd967a
--- /dev/null
+++ b/test/core/http/corpus/533f62b3f495ce704babf3ee8d840f196a714dff
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/1OKH.1 200 OKH

+tHTTP/01.021  Oes,H

+t

+t
\ No newline at end of file
diff --git a/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104 b/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104
new file mode 100644
index 0000000000..fee5512152
--- /dev/null
+++ b/test/core/http/corpus/5892cbb284771fc9761caae37b19cd6e27dbc104
@@ -0,0 +1,2 @@
+JÏHTTP‰/1.200:OKHHTã/21. 2è0 HTTP/

+1.1 200 OKHHTtTP‰
\ No newline at end of file
diff --git a/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee b/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee
new file mode 100644
index 0000000000..bd7e239537
--- /dev/null
+++ b/test/core/http/corpus/5aeab6e4f7c2a1c09d4ac0dbdb3beac4893607ee
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/11 2*0 OKH

+	 HTDP/01.021 : OesHK
,H

diff --git a/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5 b/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5
new file mode 100644
index 0000000000..9a15ab025f
--- /dev/null
+++ b/test/core/http/corpus/5b6292bdf009b0daecbc90b85cca30a88c36eec5
@@ -0,0 +1,2 @@
+HTTP/1. 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0 b/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0
new file mode 100644
index 0000000000..480708e033
--- /dev/null
+++ b/test/core/http/corpus/5c1659b77678b41faa4fa13df7772dae3238d1c0
@@ -0,0 +1,2 @@
+@TTP/1.1y 00'JHTTP/1.1 +00ÿOïH HTTP/

+ve1.1 200s
\ No newline at end of file
diff --git a/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e b/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e
new file mode 100644
index 0000000000..0ed0dfadec
--- /dev/null
+++ b/test/core/http/corpus/5c81f61621e29ec9c6a64ac3af9b3b216141618e
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/1.1 200 OKH

+	 HTDP/01.021 : OesHK
,H

diff --git a/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2 b/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2
new file mode 100644
index 0000000000..1f14f69103
--- /dev/null
+++ b/test/core/http/corpus/657368df512ca6294b9df16adf935a3f374a8be2
@@ -0,0 +1,3 @@
+HTT
+/1.1 201 OKH

+des
\ No newline at end of file
diff --git a/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337 b/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337
new file mode 100644
index 0000000000..8fc481d92b
--- /dev/null
+++ b/test/core/http/corpus/7fc4520094902ce2c760d70eaad5b674d2817337
@@ -0,0 +1,5 @@
+JHTTP/1.GET / HTTP/1.0
+1 200 OKH

+
+
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6 b/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6
new file mode 100644
index 0000000000..d4223ccf81
--- /dev/null
+++ b/test/core/http/corpus/81f59a12b458ec3604035cb962165c604d1355e6
@@ -0,0 +1,2 @@
+HTTP/1.1 8p) )MKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9 b/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9
new file mode 100644
index 0000000000..99e2c48bbd
--- /dev/null
+++ b/test/core/http/corpus/8f41c50e88ee8c17ecad3d41d63d38fb12aca0b9
@@ -0,0 +1,4 @@
+HTTP/1.1 200 OKH

+tHTHTTP/1. 20TP/01.020(: Oes,H0 OKH

+

+tteses
\ No newline at end of file
diff --git a/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c b/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c
new file mode 100644
index 0000000000..776253d750
--- /dev/null
+++ b/test/core/http/corpus/97c16de7fe3c390a2e6c09ff5c28f17d5c67542c
@@ -0,0 +1,2 @@
+ITTp/11 …20O HTTP/*1.1 200 OKH

+	 HTDP/02.021 : OesHK
,H

diff --git a/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548 b/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548
new file mode 100644
index 0000000000..b1927fbf63
--- /dev/null
+++ b/test/core/http/corpus/97e4499d450c95660de86747f527e670f2012548
@@ -0,0 +1,3 @@
+HTHHTT`TT
+/1.1 201 P*/OKH

+des1.1 2T
\ No newline at end of file
diff --git a/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1 b/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1
new file mode 100644
index 0000000000..0eb2c0da3a
--- /dev/null
+++ b/test/core/http/corpus/9a996857196e0998a1278994a9bab3d35526e7f1
@@ -0,0 +1,2 @@
+@TTP/1.1y 002ÿOKH

+ves
\ No newline at end of file
diff --git a/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8 b/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8
new file mode 100644
index 0000000000..f93b9a08e3
--- /dev/null
+++ b/test/core/http/corpus/9b7e00049ec356ecd84b1747e4e1941140139ae8
@@ -0,0 +1,3 @@
+„HTT/21. 200 HTTP/1.1 HT!TP/1OKH.1HTTP 200 OKH

+tHT/:/80 OKH

+1
\ No newline at end of file
diff --git a/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1 b/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1
new file mode 100644
index 0000000000..4ea07dc137
--- /dev/null
+++ b/test/core/http/corpus/9f0c38ec455cc363369b3674a2d32bc21c206de1
@@ -0,0 +1,5 @@
+JHTTP/1>GET / HTTP/2.0
+1 200 OKH

+
+
+t
\ No newline at end of file
diff --git a/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85 b/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85
new file mode 100644
index 0000000000..2e95bac35c
--- /dev/null
+++ b/test/core/http/corpus/a1dc7bc235e46eb21d91084d7b52d5ff9f45df85
@@ -0,0 +1,3 @@
+„HTT/21. 200 HTTP/1.1 HT!TP/1OKH.1HTTP 200 OKH

+tHT//80) OKH

+1
\ No newline at end of file
diff --git a/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441 b/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441
new file mode 100644
index 0000000000..837449dda3
--- /dev/null
+++ b/test/core/http/corpus/aa3bbb876eafa8ad8ca4ff2eabc6dd94341d2441
@@ -0,0 +1,2 @@
+HTTP/1.1 80î OH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47 b/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47
new file mode 100644
index 0000000000..10905bed39
--- /dev/null
+++ b/test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47
@@ -0,0 +1,2 @@
+JHTTP/1.1 200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940 b/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940
new file mode 100644
index 0000000000..4539d9f012
--- /dev/null
+++ b/test/core/http/corpus/c4acff8aa2ff886f35439f72625d05002990c940
@@ -0,0 +1,4 @@
+JHTT/21. 200 HTTP/2OKH.1 200 OKH

+tHTTP/01.021  Oes,H

+t

+t
\ No newline at end of file
diff --git a/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8 b/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8
new file mode 100644
index 0000000000..2704e4fb39
--- /dev/null
+++ b/test/core/http/corpus/c55ce9995b002e88a102ae2891a71e8bacb346c8
@@ -0,0 +1,2 @@
+HTTP/1.1 767) OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2 b/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2
new file mode 100644
index 0000000000..f5cbbc69e7
--- /dev/null
+++ b/test/core/http/corpus/ca5a0c00b8969310acb73d15ad0d0c602f1bd0c2
@@ -0,0 +1,3 @@
+HJHTHHTT`TT
+/1.1 201 P*HHTT/T1/OKH

+des1.1 2.1T 20T1
\ No newline at end of file
diff --git a/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70 b/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70
new file mode 100644
index 0000000000..f6ea09c41b
--- /dev/null
+++ b/test/core/http/corpus/cce734f1b263de6994f7950e0df7bf0c81449f70
@@ -0,0 +1,3 @@
+JHTT/21. 200 HTTPHTTP/1.1 80î OH/1OKH.0 200 OKH

+tHTTP/0

+te
\ No newline at end of file
diff --git a/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453 b/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453
new file mode 100644
index 0000000000..be33d81102
--- /dev/null
+++ b/test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453
@@ -0,0 +1,3 @@
+HTTP/1.1 200 OKH

+ HTTP/01.021 : Oes,H

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629 b/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629
new file mode 100644
index 0000000000..e81a59f30b
--- /dev/null
+++ b/test/core/http/corpus/d51f7fcc089f269c7afecaaca51966bab5fde629
@@ -0,0 +1,2 @@
+ÏHTTP‰/1.200:OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4 b/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4
new file mode 100644
index 0000000000..ccf918751d
--- /dev/null
+++ b/test/core/http/corpus/d936dad71c129cf659097dc3db64550c4dd467f4
@@ -0,0 +1,2 @@
+HTTP‰/1.200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b b/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b
new file mode 100644
index 0000000000..b6fc095920
--- /dev/null
+++ b/test/core/http/corpus/e275b0466a8fb8d9e0e15856e343ddc7112ae66b
@@ -0,0 +1,3 @@
+JHTT/21. 200 HTTRHTTP/1.1 0î OL/1OKH.0 200 OKH

+tHTTP/0

+te
\ No newline at end of file
diff --git a/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089 b/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089
new file mode 100644
index 0000000000..98b5f62b2a
--- /dev/null
+++ b/test/core/http/corpus/e5c364b205855a2991ce07482aebb2a3a6147089
@@ -0,0 +1,2 @@
+TTHP‰/1.200 OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb b/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb
new file mode 100644
index 0000000000..78b36c913b
--- /dev/null
+++ b/test/core/http/corpus/ee2077e08c3cfccd9bd82adb574ac4fc7d429afb
@@ -0,0 +1,2 @@
+ITHTTTPHT/12 …2S HTKP/1.1 767) OKH

+tes
\ No newline at end of file
diff --git a/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066 b/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066
new file mode 100644
index 0000000000..06f1a3b800
--- /dev/null
+++ b/test/core/http/corpus/fc5d4b9117ba9e87388174aee4f4970bdfe8d066
@@ -0,0 +1 @@
+HH
\ No newline at end of file
diff --git a/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b b/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b
new file mode 100644
index 0000000000..eb63d31fa5
--- /dev/null
+++ b/test/core/http/corpus/fdeb2c7daa9e7704f67e141106384e6dd0042c0b
@@ -0,0 +1,2 @@
+ITTP/11 …20O HTTP/1.1 200 OKH

+HT 	DP/01021 : OesHK
,H

diff --git a/test/core/http/corpus/request1.txt b/test/core/http/corpus/request1.txt
new file mode 100644
index 0000000000..16a750fbf9
--- /dev/null
+++ b/test/core/http/corpus/request1.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.0
+
+
diff --git a/test/core/http/corpus/request2.txt b/test/core/http/corpus/request2.txt
new file mode 100644
index 0000000000..897a28406c
--- /dev/null
+++ b/test/core/http/corpus/request2.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.0
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request3.txt b/test/core/http/corpus/request3.txt
new file mode 100644
index 0000000000..aaa75bbb52
--- /dev/null
+++ b/test/core/http/corpus/request3.txt
@@ -0,0 +1,3 @@
+GET / HTTP/1.1
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request4.txt b/test/core/http/corpus/request4.txt
new file mode 100644
index 0000000000..593f6fa7b6
--- /dev/null
+++ b/test/core/http/corpus/request4.txt
@@ -0,0 +1,3 @@
+GET /foo.bar HTTP/1.1
+Content-Length: 128
+
diff --git a/test/core/http/corpus/request5.txt b/test/core/http/corpus/request5.txt
new file mode 100644
index 0000000000..19fb244355
--- /dev/null
+++ b/test/core/http/corpus/request5.txt
@@ -0,0 +1,3 @@
+POST / HTTP/1.0
+
+asdlfkjadsfl;akdjsfasdf
diff --git a/test/core/http/corpus/response1.txt b/test/core/http/corpus/response1.txt
new file mode 100644
index 0000000000..a17139982e
--- /dev/null
+++ b/test/core/http/corpus/response1.txt
@@ -0,0 +1,4 @@
+HTTP/1.1 200 OK
+test: hello
+
+abcd
diff --git a/test/core/http/corpus/response2.txt b/test/core/http/corpus/response2.txt
new file mode 100644
index 0000000000..1b86449bb6
--- /dev/null
+++ b/test/core/http/corpus/response2.txt
@@ -0,0 +1,4 @@
+HTTP/0.9 200 OK
+test: hello
+
+abcd
diff --git a/test/core/http/corpus/response3.txt b/test/core/http/corpus/response3.txt
new file mode 100644
index 0000000000..9e5b046c59
--- /dev/null
+++ b/test/core/http/corpus/response3.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 102384398
+
+abcd
diff --git a/test/core/http/corpus/response4.txt b/test/core/http/corpus/response4.txt
new file mode 100644
index 0000000000..b237b01fe0
--- /dev/null
+++ b/test/core/http/corpus/response4.txt
@@ -0,0 +1,2 @@
+HTTP/1.1 404 Not Found
+
diff --git a/test/core/http/corpus/response5.txt b/test/core/http/corpus/response5.txt
new file mode 100644
index 0000000000..2630595713
--- /dev/null
+++ b/test/core/http/corpus/response5.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 4
+
+abcd
diff --git a/test/core/http/corpus/response6.txt b/test/core/http/corpus/response6.txt
new file mode 100644
index 0000000000..797b6ee773
--- /dev/null
+++ b/test/core/http/corpus/response6.txt
@@ -0,0 +1,5 @@
+HTTP/0.9 200 OK
+test: hello
+content-length: 6
+
+abcd
diff --git a/test/core/http/corpus/toolong.txt b/test/core/http/corpus/toolong.txt
new file mode 100644
index 0000000000..9a9d5e2fc3
--- /dev/null
+++ b/test/core/http/corpus/toolong.txt
@@ -0,0 +1,2 @@
+GET / HTTP/1.1
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb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diff --git a/test/core/httpcli/format_request_test.c b/test/core/http/format_request_test.c
index da850049e2..0d21e1200b 100644
--- a/test/core/httpcli/format_request_test.c
+++ b/test/core/http/format_request_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/httpcli/format_request.h"
+#include "src/core/lib/http/format_request.h"
 
 #include <string.h>
 
@@ -39,15 +39,15 @@
 #include "test/core/util/test_config.h"
 
 static void test_format_get_request(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_get_request(&req);
 
@@ -64,7 +64,7 @@ static void test_format_get_request(void) {
 }
 
 static void test_format_post_request(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
   char body_bytes[] = "fake body";
@@ -72,9 +72,9 @@ static void test_format_post_request(void) {
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);
 
@@ -94,15 +94,15 @@ static void test_format_post_request(void) {
 }
 
 static void test_format_post_request_no_body(void) {
-  grpc_httpcli_header hdr = {"x-yz", "abc"};
+  grpc_http_header hdr = {"x-yz", "abc"};
   grpc_httpcli_request req;
   gpr_slice slice;
 
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 1;
-  req.hdrs = &hdr;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 1;
+  req.http.hdrs = &hdr;
 
   slice = grpc_httpcli_format_post_request(&req, NULL, 0);
 
@@ -119,7 +119,7 @@ static void test_format_post_request_no_body(void) {
 }
 
 static void test_format_post_request_content_type_override(void) {
-  grpc_httpcli_header hdrs[2];
+  grpc_http_header hdrs[2];
   grpc_httpcli_request req;
   gpr_slice slice;
   char body_bytes[] = "fake%20body";
@@ -131,9 +131,9 @@ static void test_format_post_request_content_type_override(void) {
   hdrs[1].value = "application/x-www-form-urlencoded";
   memset(&req, 0, sizeof(req));
   req.host = "example.com";
-  req.path = "/index.html";
-  req.hdr_count = 2;
-  req.hdrs = hdrs;
+  req.http.path = "/index.html";
+  req.http.hdr_count = 2;
+  req.http.hdrs = hdrs;
 
   slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);
 
@@ -142,8 +142,7 @@ static void test_format_post_request_content_type_override(void) {
                       "POST /index.html HTTP/1.0\r\n"
                       "Host: example.com\r\n"
                       "Connection: close\r\n"
-                      "User-Agent: " GRPC_HTTPCLI_USER_AGENT
-                      "\r\n"
+                      "User-Agent: " GRPC_HTTPCLI_USER_AGENT "\r\n"
                       "x-yz: abc\r\n"
                       "Content-Type: application/x-www-form-urlencoded\r\n"
                       "Content-Length: 11\r\n"
diff --git a/test/core/http/fuzzer.c b/test/core/http/fuzzer.c
new file mode 100644
index 0000000000..7e4f4eb993
--- /dev/null
+++ b/test/core/http/fuzzer.c
@@ -0,0 +1,50 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/lib/http/parser.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_http_parser parser;
+  grpc_http_parser_init(&parser);
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_http_parser_parse(&parser, slice);
+  grpc_http_parser_eof(&parser);
+  gpr_slice_unref(slice);
+  grpc_http_parser_destroy(&parser);
+  return 0;
+}
diff --git a/test/core/httpcli/httpcli_test.c b/test/core/http/httpcli_test.c
index 651ef1fa3b..d3a68d0eb8 100644
--- a/test/core/httpcli/httpcli_test.c
+++ b/test/core/http/httpcli_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,23 +31,24 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
 
 #include <string.h>
 
 #include <grpc/grpc.h>
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 static int g_done = 0;
 static grpc_httpcli_context g_context;
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static gpr_timespec n_seconds_time(int seconds) {
   return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(seconds);
@@ -63,10 +64,10 @@ static void on_finish(grpc_exec_ctx *exec_ctx, void *arg,
   GPR_ASSERT(response->status == 200);
   GPR_ASSERT(response->body_length == strlen(expect));
   GPR_ASSERT(0 == memcmp(expect, response->body, response->body_length));
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   g_done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_get(int port) {
@@ -82,21 +83,21 @@ static void test_get(int port) {
 
   memset(&req, 0, sizeof(req));
   req.host = host;
-  req.path = "/get";
+  req.http.path = "/get";
   req.handshaker = &grpc_httpcli_plaintext;
 
-  grpc_httpcli_get(&exec_ctx, &g_context, &g_pollset, &req, n_seconds_time(15),
+  grpc_httpcli_get(&exec_ctx, &g_context, g_pollset, &req, n_seconds_time(15),
                    on_finish, (void *)42);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!g_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   gpr_free(host);
 }
 
@@ -113,21 +114,21 @@ static void test_post(int port) {
 
   memset(&req, 0, sizeof(req));
   req.host = host;
-  req.path = "/post";
+  req.http.path = "/post";
   req.handshaker = &grpc_httpcli_plaintext;
 
-  grpc_httpcli_post(&exec_ctx, &g_context, &g_pollset, &req, "hello", 5,
+  grpc_httpcli_post(&exec_ctx, &g_context, g_pollset, &req, "hello", 5,
                     n_seconds_time(15), on_finish, (void *)42);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!g_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   gpr_free(host);
 }
 
@@ -143,31 +144,35 @@ int main(int argc, char **argv) {
   char *lslash = strrchr(me, '/');
   char *args[4];
   int port = grpc_pick_unused_port_or_die();
+  int arg_shift = 0;
+  /* figure out where we are */
+  char *root;
+  if (lslash) {
+    root = gpr_malloc((size_t)(lslash - me + 1));
+    memcpy(root, me, (size_t)(lslash - me));
+    root[lslash - me] = 0;
+  } else {
+    root = gpr_strdup(".");
+  }
 
   GPR_ASSERT(argc <= 2);
   if (argc == 2) {
     args[0] = gpr_strdup(argv[1]);
   } else {
-    /* figure out where we are */
-    char *root;
-    if (lslash) {
-      root = gpr_malloc((size_t)(lslash - me + 1));
-      memcpy(root, me, (size_t)(lslash - me));
-      root[lslash - me] = 0;
-    } else {
-      root = gpr_strdup(".");
-    }
-    gpr_asprintf(&args[0], "%s/../../test/core/httpcli/test_server.py", root);
-    gpr_free(root);
+    arg_shift = 1;
+    gpr_asprintf(&args[0], "%s/../../tools/distrib/python_wrapper.sh", root);
+    gpr_asprintf(&args[1], "%s/../../test/core/http/test_server.py", root);
   }
 
   /* start the server */
-  args[1] = "--port";
-  gpr_asprintf(&args[2], "%d", port);
-  server = gpr_subprocess_create(3, (const char **)args);
+  args[1 + arg_shift] = "--port";
+  gpr_asprintf(&args[2 + arg_shift], "%d", port);
+  server = gpr_subprocess_create(3 + arg_shift, (const char **)args);
   GPR_ASSERT(server);
   gpr_free(args[0]);
-  gpr_free(args[2]);
+  if (arg_shift) gpr_free(args[1]);
+  gpr_free(args[2 + arg_shift]);
+  gpr_free(root);
 
   gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                                gpr_time_from_seconds(5, GPR_TIMESPAN)));
@@ -175,17 +180,20 @@ int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   grpc_init();
   grpc_httpcli_context_init(&g_context);
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_get(port);
   test_post(port);
 
   grpc_httpcli_context_destroy(&g_context);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
 
+  gpr_free(g_pollset);
+
   gpr_subprocess_destroy(server);
 
   return 0;
diff --git a/test/core/httpcli/httpscli_test.c b/test/core/http/httpscli_test.c
index db41be17e7..d807336904 100644
--- a/test/core/httpcli/httpscli_test.c
+++ b/test/core/http/httpscli_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,23 +31,24 @@
  *
  */
 
-#include "src/core/httpcli/httpcli.h"
+#include "src/core/lib/http/httpcli.h"
 
 #include <string.h>
 
 #include <grpc/grpc.h>
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 static int g_done = 0;
 static grpc_httpcli_context g_context;
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static gpr_timespec n_seconds_time(int seconds) {
   return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(seconds);
@@ -63,10 +64,10 @@ static void on_finish(grpc_exec_ctx *exec_ctx, void *arg,
   GPR_ASSERT(response->status == 200);
   GPR_ASSERT(response->body_length == strlen(expect));
   GPR_ASSERT(0 == memcmp(expect, response->body, response->body_length));
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   g_done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_get(int port) {
@@ -83,21 +84,21 @@ static void test_get(int port) {
   memset(&req, 0, sizeof(req));
   req.host = host;
   req.ssl_host_override = "foo.test.google.fr";
-  req.path = "/get";
+  req.http.path = "/get";
   req.handshaker = &grpc_httpcli_ssl;
 
-  grpc_httpcli_get(&exec_ctx, &g_context, &g_pollset, &req, n_seconds_time(15),
+  grpc_httpcli_get(&exec_ctx, &g_context, g_pollset, &req, n_seconds_time(15),
                    on_finish, (void *)42);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!g_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   gpr_free(host);
 }
 
@@ -115,21 +116,21 @@ static void test_post(int port) {
   memset(&req, 0, sizeof(req));
   req.host = host;
   req.ssl_host_override = "foo.test.google.fr";
-  req.path = "/post";
+  req.http.path = "/post";
   req.handshaker = &grpc_httpcli_ssl;
 
-  grpc_httpcli_post(&exec_ctx, &g_context, &g_pollset, &req, "hello", 5,
+  grpc_httpcli_post(&exec_ctx, &g_context, g_pollset, &req, "hello", 5,
                     n_seconds_time(15), on_finish, (void *)42);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!g_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   gpr_free(host);
 }
 
@@ -145,32 +146,36 @@ int main(int argc, char **argv) {
   char *lslash = strrchr(me, '/');
   char *args[5];
   int port = grpc_pick_unused_port_or_die();
+  int arg_shift = 0;
+  /* figure out where we are */
+  char *root;
+  if (lslash) {
+    root = gpr_malloc((size_t)(lslash - me + 1));
+    memcpy(root, me, (size_t)(lslash - me));
+    root[lslash - me] = 0;
+  } else {
+    root = gpr_strdup(".");
+  }
 
   GPR_ASSERT(argc <= 2);
   if (argc == 2) {
     args[0] = gpr_strdup(argv[1]);
   } else {
-    /* figure out where we are */
-    char *root;
-    if (lslash) {
-      root = gpr_malloc((size_t)(lslash - me + 1));
-      memcpy(root, me, (size_t)(lslash - me));
-      root[lslash - me] = 0;
-    } else {
-      root = gpr_strdup(".");
-    }
-    gpr_asprintf(&args[0], "%s/../../test/core/httpcli/test_server.py", root);
-    gpr_free(root);
+    arg_shift = 1;
+    gpr_asprintf(&args[0], "%s/../../tools/distrib/python_wrapper.sh", root);
+    gpr_asprintf(&args[1], "%s/../../test/core/http/test_server.py", root);
   }
 
   /* start the server */
-  args[1] = "--port";
-  gpr_asprintf(&args[2], "%d", port);
-  args[3] = "--ssl";
-  server = gpr_subprocess_create(4, (const char **)args);
+  args[1 + arg_shift] = "--port";
+  gpr_asprintf(&args[2 + arg_shift], "%d", port);
+  args[3 + arg_shift] = "--ssl";
+  server = gpr_subprocess_create(4 + arg_shift, (const char **)args);
   GPR_ASSERT(server);
   gpr_free(args[0]);
-  gpr_free(args[2]);
+  if (arg_shift) gpr_free(args[1]);
+  gpr_free(args[2 + arg_shift]);
+  gpr_free(root);
 
   gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                                gpr_time_from_seconds(5, GPR_TIMESPAN)));
@@ -178,17 +183,20 @@ int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   grpc_init();
   grpc_httpcli_context_init(&g_context);
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_get(port);
   test_post(port);
 
   grpc_httpcli_context_destroy(&g_context);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
 
+  gpr_free(g_pollset);
+
   gpr_subprocess_destroy(server);
 
   return 0;
diff --git a/test/core/http/parser_test.c b/test/core/http/parser_test.c
new file mode 100644
index 0000000000..10936754d9
--- /dev/null
+++ b/test/core/http/parser_test.c
@@ -0,0 +1,295 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/http/parser.h"
+
+#include <stdarg.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/useful.h>
+#include "test/core/util/slice_splitter.h"
+#include "test/core/util/test_config.h"
+
+static void test_request_succeeds(grpc_slice_split_mode split_mode,
+                                  char *request, char *expect_method,
+                                  grpc_http_version expect_version,
+                                  char *expect_path, char *expect_body, ...) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(request);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  va_list args;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i]));
+    gpr_slice_unref(slices[i]);
+  }
+  GPR_ASSERT(grpc_http_parser_eof(&parser));
+
+  GPR_ASSERT(GRPC_HTTP_REQUEST == parser.type);
+  GPR_ASSERT(0 == strcmp(expect_method, parser.http.request.method));
+  GPR_ASSERT(0 == strcmp(expect_path, parser.http.request.path));
+  GPR_ASSERT(expect_version == parser.http.request.version);
+
+  if (expect_body != NULL) {
+    GPR_ASSERT(strlen(expect_body) == parser.http.request.body_length);
+    GPR_ASSERT(0 == memcmp(expect_body, parser.http.request.body,
+                           parser.http.request.body_length));
+  } else {
+    GPR_ASSERT(parser.http.request.body_length == 0);
+  }
+
+  va_start(args, expect_body);
+  i = 0;
+  for (;;) {
+    char *expect_key;
+    char *expect_value;
+    expect_key = va_arg(args, char *);
+    if (!expect_key) break;
+    GPR_ASSERT(i < parser.http.request.hdr_count);
+    expect_value = va_arg(args, char *);
+    GPR_ASSERT(expect_value);
+    GPR_ASSERT(0 == strcmp(expect_key, parser.http.request.hdrs[i].key));
+    GPR_ASSERT(0 == strcmp(expect_value, parser.http.request.hdrs[i].value));
+    i++;
+  }
+  va_end(args);
+  GPR_ASSERT(i == parser.http.request.hdr_count);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static void test_succeeds(grpc_slice_split_mode split_mode, char *response,
+                          int expect_status, char *expect_body, ...) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(response);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  va_list args;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i]));
+    gpr_slice_unref(slices[i]);
+  }
+  GPR_ASSERT(grpc_http_parser_eof(&parser));
+
+  GPR_ASSERT(GRPC_HTTP_RESPONSE == parser.type);
+  GPR_ASSERT(expect_status == parser.http.response.status);
+  if (expect_body != NULL) {
+    GPR_ASSERT(strlen(expect_body) == parser.http.response.body_length);
+    GPR_ASSERT(0 == memcmp(expect_body, parser.http.response.body,
+                           parser.http.response.body_length));
+  } else {
+    GPR_ASSERT(parser.http.response.body_length == 0);
+  }
+
+  va_start(args, expect_body);
+  i = 0;
+  for (;;) {
+    char *expect_key;
+    char *expect_value;
+    expect_key = va_arg(args, char *);
+    if (!expect_key) break;
+    GPR_ASSERT(i < parser.http.response.hdr_count);
+    expect_value = va_arg(args, char *);
+    GPR_ASSERT(expect_value);
+    GPR_ASSERT(0 == strcmp(expect_key, parser.http.response.hdrs[i].key));
+    GPR_ASSERT(0 == strcmp(expect_value, parser.http.response.hdrs[i].value));
+    i++;
+  }
+  va_end(args);
+  GPR_ASSERT(i == parser.http.response.hdr_count);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static void test_fails(grpc_slice_split_mode split_mode, char *response) {
+  grpc_http_parser parser;
+  gpr_slice input_slice = gpr_slice_from_copied_string(response);
+  size_t num_slices;
+  size_t i;
+  gpr_slice *slices;
+  int done = 0;
+
+  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
+  gpr_slice_unref(input_slice);
+
+  grpc_http_parser_init(&parser);
+
+  for (i = 0; i < num_slices; i++) {
+    if (!done && !grpc_http_parser_parse(&parser, slices[i])) {
+      done = 1;
+    }
+    gpr_slice_unref(slices[i]);
+  }
+  if (!done && !grpc_http_parser_eof(&parser)) {
+    done = 1;
+  }
+  GPR_ASSERT(done);
+
+  grpc_http_parser_destroy(&parser);
+  gpr_free(slices);
+}
+
+static const uint8_t failed_test1[] = {
+    0x9e, 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x4a,
+    0x48, 0x54, 0x54, 0x30, 0x32, 0x16, 0xa,  0x2f, 0x48, 0x20,
+    0x31, 0x2e, 0x31, 0x20, 0x32, 0x30, 0x31, 0x54, 0x54, 0xb9,
+    0x32, 0x31, 0x2e, 0x20, 0x32, 0x30, 0x20,
+};
+
+typedef struct {
+  const char *name;
+  const uint8_t *data;
+  size_t length;
+} failed_test;
+
+#define FAILED_TEST(name) \
+  { #name, name, sizeof(name) }
+
+failed_test failed_tests[] = {
+    FAILED_TEST(failed_test1),
+};
+
+static void test_doesnt_crash(failed_test t) {
+  gpr_log(GPR_DEBUG, "Run previously failed test: %s", t.name);
+  grpc_http_parser p;
+  grpc_http_parser_init(&p);
+  gpr_slice slice =
+      gpr_slice_from_copied_buffer((const char *)t.data, t.length);
+  grpc_http_parser_parse(&p, slice);
+  gpr_slice_unref(slice);
+  grpc_http_parser_destroy(&p);
+}
+
+int main(int argc, char **argv) {
+  size_t i;
+  const grpc_slice_split_mode split_modes[] = {GRPC_SLICE_SPLIT_IDENTITY,
+                                               GRPC_SLICE_SPLIT_ONE_BYTE};
+  char *tmp1, *tmp2;
+
+  grpc_test_init(argc, argv);
+
+  for (i = 0; i < GPR_ARRAY_SIZE(failed_tests); i++) {
+    test_doesnt_crash(failed_tests[i]);
+  }
+
+  for (i = 0; i < GPR_ARRAY_SIZE(split_modes); i++) {
+    test_succeeds(split_modes[i],
+                  "HTTP/1.0 200 OK\r\n"
+                  "xyz: abc\r\n"
+                  "\r\n"
+                  "hello world!",
+                  200, "hello world!", "xyz", "abc", NULL);
+    test_succeeds(split_modes[i],
+                  "HTTP/1.0 404 Not Found\r\n"
+                  "\r\n",
+                  404, NULL, NULL);
+    test_succeeds(split_modes[i],
+                  "HTTP/1.1 200 OK\r\n"
+                  "xyz: abc\r\n"
+                  "\r\n"
+                  "hello world!",
+                  200, "hello world!", "xyz", "abc", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "\r\n",
+                          "GET", GRPC_HTTP_HTTP10, "/", NULL, NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP10, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.1\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP11, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/2.0\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP20, "/", "xyz", NULL);
+    test_request_succeeds(split_modes[i],
+                          "GET / HTTP/1.0\r\n"
+                          "xyz: abc\r\n"
+                          "\r\n"
+                          "xyz",
+                          "GET", GRPC_HTTP_HTTP10, "/", "xyz", "xyz", "abc",
+                          NULL);
+    test_fails(split_modes[i], "HTTP/1.0\r\n");
+    test_fails(split_modes[i], "HTTP/1.2\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 000 XYX\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\n");
+    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\nFoo x\r\n");
+    test_fails(split_modes[i],
+               "HTTP/1.0 200 OK\r\n"
+               "xyz: abc\r\n"
+               "  def\r\n"
+               "\r\n"
+               "hello world!");
+    test_fails(split_modes[i], "GET\r\n");
+    test_fails(split_modes[i], "GET /\r\n");
+    test_fails(split_modes[i], "GET / HTTP/0.0\r\n");
+    test_fails(split_modes[i], "GET / ____/1.0\r\n");
+    test_fails(split_modes[i], "GET / HTTP/1.2\r\n");
+
+    tmp1 = gpr_malloc(2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH);
+    memset(tmp1, 'a', 2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH - 1);
+    tmp1[2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH - 1] = 0;
+    gpr_asprintf(&tmp2, "HTTP/1.0 200 OK\r\nxyz: %s\r\n\r\n", tmp1);
+    test_fails(split_modes[i], tmp2);
+    gpr_free(tmp1);
+    gpr_free(tmp2);
+  }
+
+  return 0;
+}
diff --git a/test/core/httpcli/test_server.py b/test/core/http/test_server.py
index dbbf5ceb3c..86c2fe96bf 100755
--- a/test/core/httpcli/test_server.py
+++ b/test/core/http/test_server.py
@@ -36,8 +36,8 @@ import os
 import ssl
 import sys
 
-_PEM = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/tsi/test_creds/server1.pem'))
-_KEY = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/tsi/test_creds/server1.key'))
+_PEM = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/lib/tsi/test_creds/server1.pem'))
+_KEY = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../../..', 'src/core/lib/tsi/test_creds/server1.key'))
 print _PEM
 open(_PEM).close()
 
diff --git a/test/core/httpcli/parser_test.c b/test/core/httpcli/parser_test.c
deleted file mode 100644
index a26ddd2821..0000000000
--- a/test/core/httpcli/parser_test.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/httpcli/parser.h"
-
-#include <stdarg.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include <grpc/support/useful.h>
-#include "test/core/util/slice_splitter.h"
-#include "test/core/util/test_config.h"
-
-static void test_succeeds(grpc_slice_split_mode split_mode, char *response,
-                          int expect_status, char *expect_body, ...) {
-  grpc_httpcli_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(response);
-  size_t num_slices;
-  size_t i;
-  gpr_slice *slices;
-  va_list args;
-
-  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
-
-  grpc_httpcli_parser_init(&parser);
-
-  for (i = 0; i < num_slices; i++) {
-    GPR_ASSERT(grpc_httpcli_parser_parse(&parser, slices[i]));
-    gpr_slice_unref(slices[i]);
-  }
-  GPR_ASSERT(grpc_httpcli_parser_eof(&parser));
-
-  GPR_ASSERT(expect_status == parser.r.status);
-  if (expect_body != NULL) {
-    GPR_ASSERT(strlen(expect_body) == parser.r.body_length);
-    GPR_ASSERT(0 == memcmp(expect_body, parser.r.body, parser.r.body_length));
-  } else {
-    GPR_ASSERT(parser.r.body_length == 0);
-  }
-
-  va_start(args, expect_body);
-  i = 0;
-  for (;;) {
-    char *expect_key;
-    char *expect_value;
-    expect_key = va_arg(args, char *);
-    if (!expect_key) break;
-    GPR_ASSERT(i < parser.r.hdr_count);
-    expect_value = va_arg(args, char *);
-    GPR_ASSERT(expect_value);
-    GPR_ASSERT(0 == strcmp(expect_key, parser.r.hdrs[i].key));
-    GPR_ASSERT(0 == strcmp(expect_value, parser.r.hdrs[i].value));
-    i++;
-  }
-  va_end(args);
-  GPR_ASSERT(i == parser.r.hdr_count);
-
-  grpc_httpcli_parser_destroy(&parser);
-  gpr_free(slices);
-}
-
-static void test_fails(grpc_slice_split_mode split_mode, char *response) {
-  grpc_httpcli_parser parser;
-  gpr_slice input_slice = gpr_slice_from_copied_string(response);
-  size_t num_slices;
-  size_t i;
-  gpr_slice *slices;
-  int done = 0;
-
-  grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
-  gpr_slice_unref(input_slice);
-
-  grpc_httpcli_parser_init(&parser);
-
-  for (i = 0; i < num_slices; i++) {
-    if (!done && !grpc_httpcli_parser_parse(&parser, slices[i])) {
-      done = 1;
-    }
-    gpr_slice_unref(slices[i]);
-  }
-  if (!done && !grpc_httpcli_parser_eof(&parser)) {
-    done = 1;
-  }
-  GPR_ASSERT(done);
-
-  grpc_httpcli_parser_destroy(&parser);
-  gpr_free(slices);
-}
-
-int main(int argc, char **argv) {
-  size_t i;
-  const grpc_slice_split_mode split_modes[] = {GRPC_SLICE_SPLIT_IDENTITY,
-                                               GRPC_SLICE_SPLIT_ONE_BYTE};
-  char *tmp1, *tmp2;
-
-  grpc_test_init(argc, argv);
-
-  for (i = 0; i < GPR_ARRAY_SIZE(split_modes); i++) {
-    test_succeeds(split_modes[i],
-                  "HTTP/1.0 200 OK\r\n"
-                  "xyz: abc\r\n"
-                  "\r\n"
-                  "hello world!",
-                  200, "hello world!", "xyz", "abc", NULL);
-    test_succeeds(split_modes[i],
-                  "HTTP/1.0 404 Not Found\r\n"
-                  "\r\n",
-                  404, NULL, NULL);
-    test_succeeds(split_modes[i],
-                  "HTTP/1.1 200 OK\r\n"
-                  "xyz: abc\r\n"
-                  "\r\n"
-                  "hello world!",
-                  200, "hello world!", "xyz", "abc", NULL);
-    test_fails(split_modes[i], "HTTP/1.0\r\n");
-    test_fails(split_modes[i], "HTTP/1.2\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 000 XYX\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\n");
-    test_fails(split_modes[i], "HTTP/1.0 200 OK\r\nFoo x\r\n");
-    test_fails(split_modes[i],
-               "HTTP/1.0 200 OK\r\n"
-               "xyz: abc\r\n"
-               "  def\r\n"
-               "\r\n"
-               "hello world!");
-
-    tmp1 = gpr_malloc(2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH);
-    memset(tmp1, 'a', 2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH - 1);
-    tmp1[2 * GRPC_HTTPCLI_MAX_HEADER_LENGTH - 1] = 0;
-    gpr_asprintf(&tmp2, "HTTP/1.0 200 OK\r\nxyz: %s\r\n\r\n", tmp1);
-    test_fails(split_modes[i], tmp2);
-    gpr_free(tmp1);
-    gpr_free(tmp2);
-  }
-
-  return 0;
-}
diff --git a/test/core/internal_api_canaries/iomgr.c b/test/core/internal_api_canaries/iomgr.c
new file mode 100644
index 0000000000..f87a80cd90
--- /dev/null
+++ b/test/core/internal_api_canaries/iomgr.c
@@ -0,0 +1,115 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/executor.h"
+
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
+
+static void test_code(void) {
+  /* iomgr.h */
+  grpc_iomgr_init();
+  grpc_iomgr_shutdown();
+
+  /* closure.h */
+  grpc_closure closure;
+  closure.cb = NULL;
+  closure.cb_arg = NULL;
+  closure.final_data = 0;
+
+  grpc_closure_list closure_list = GRPC_CLOSURE_LIST_INIT;
+  closure_list.head = NULL;
+  closure_list.tail = NULL;
+
+  grpc_closure_init(&closure, NULL, NULL);
+
+  grpc_closure_create(NULL, NULL);
+
+  grpc_closure_list_move(NULL, NULL);
+  grpc_closure_list_add(NULL, NULL, true);
+  bool x = grpc_closure_list_empty(closure_list);
+  grpc_closure_next(&closure);
+
+  /* exec_ctx.h */
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_exec_ctx_flush(&exec_ctx);
+  grpc_exec_ctx_finish(&exec_ctx);
+  grpc_exec_ctx_enqueue(&exec_ctx, &closure, x, NULL);
+  grpc_exec_ctx_enqueue_list(&exec_ctx, &closure_list, NULL);
+
+  /* endpoint.h */
+  grpc_endpoint endpoint;
+  grpc_endpoint_vtable vtable = {
+      grpc_endpoint_read,           grpc_endpoint_write,
+      grpc_endpoint_add_to_pollset, grpc_endpoint_add_to_pollset_set,
+      grpc_endpoint_shutdown,       grpc_endpoint_destroy,
+      grpc_endpoint_get_peer};
+  endpoint.vtable = &vtable;
+
+  grpc_endpoint_read(&exec_ctx, &endpoint, NULL, NULL);
+  grpc_endpoint_get_peer(&endpoint);
+  grpc_endpoint_write(&exec_ctx, &endpoint, NULL, NULL);
+  grpc_endpoint_shutdown(&exec_ctx, &endpoint);
+  grpc_endpoint_destroy(&exec_ctx, &endpoint);
+  grpc_endpoint_add_to_pollset(&exec_ctx, &endpoint, NULL);
+  grpc_endpoint_add_to_pollset_set(&exec_ctx, &endpoint, NULL);
+
+  /* executor.h */
+  grpc_executor_init();
+  grpc_executor_enqueue(&closure, x);
+  grpc_executor_shutdown();
+
+  /* pollset.h */
+  grpc_pollset_size();
+  grpc_pollset_init(NULL, NULL);
+  grpc_pollset_shutdown(NULL, NULL, NULL);
+  grpc_pollset_reset(NULL);
+  grpc_pollset_destroy(NULL);
+  grpc_pollset_work(NULL, NULL, NULL, gpr_now(GPR_CLOCK_REALTIME),
+                    gpr_now(GPR_CLOCK_MONOTONIC));
+  grpc_pollset_kick(NULL, NULL);
+}
+
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/test/core/internal_api_canaries/support.c b/test/core/internal_api_canaries/support.c
new file mode 100644
index 0000000000..c51cbf2522
--- /dev/null
+++ b/test/core/internal_api_canaries/support.c
@@ -0,0 +1,58 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
+
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/support/tmpfile.h"
+
+static void test_code(void) {
+  /* env.h */
+  gpr_set_env("abc", gpr_getenv("xyz"));
+  /* load_file.h */
+  gpr_load_file("abc", 1, NULL);
+  /* tmpfile.h */
+  fclose(gpr_tmpfile("foo", NULL));
+}
+
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/test/core/internal_api_canaries/transport.c b/test/core/internal_api_canaries/transport.c
new file mode 100644
index 0000000000..0617865412
--- /dev/null
+++ b/test/core/internal_api_canaries/transport.c
@@ -0,0 +1,81 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/*******************************************************************************
+ * NOTE: If this test fails to compile, then the api changes are likely to cause
+ *       merge failures downstream. Please pay special attention to reviewing
+ *       these changes, and solicit help as appropriate when merging downstream.
+ *
+ * This test is NOT expected to be run directly.
+ ******************************************************************************/
+
+#include "src/core/lib/transport/transport.h"
+#include "src/core/lib/transport/transport_impl.h"
+
+static void test_code(void) {
+  /* transport_impl.h */
+  grpc_transport transport;
+  grpc_transport_vtable vtable = {12345,
+                                  grpc_transport_init_stream,
+                                  grpc_transport_set_pollset,
+                                  grpc_transport_perform_stream_op,
+                                  grpc_transport_perform_op,
+                                  grpc_transport_destroy_stream,
+                                  grpc_transport_destroy,
+                                  grpc_transport_get_peer};
+  transport.vtable = &vtable;
+
+  /* transport.h */
+  GRPC_STREAM_REF_INIT(NULL, 0, NULL, NULL, "xyz");
+  GPR_ASSERT(0 == grpc_transport_stream_size(NULL));
+  GPR_ASSERT(grpc_transport_init_stream(&transport, NULL, NULL, NULL, NULL));
+  grpc_transport_set_pollset(&transport, NULL, NULL, NULL);
+  grpc_transport_destroy_stream(&transport, NULL, NULL);
+  grpc_transport_stream_op_finish_with_failure(NULL, NULL);
+  grpc_transport_stream_op_add_cancellation(NULL, GRPC_STATUS_UNAVAILABLE);
+  grpc_transport_stream_op_add_close(NULL, GRPC_STATUS_UNAVAILABLE,
+                                     grpc_transport_op_string(NULL));
+  grpc_transport_perform_stream_op(&transport, NULL, NULL, NULL);
+  grpc_transport_perform_op(&transport, NULL, NULL);
+  grpc_transport_ping(&transport, NULL);
+  grpc_transport_goaway(&transport, GRPC_STATUS_UNAVAILABLE,
+                        gpr_slice_malloc(0));
+  grpc_transport_close(&transport);
+  grpc_transport_destroy(&transport, NULL);
+  GPR_ASSERT("xyz" == grpc_transport_get_peer(&transport, NULL));
+}
+
+int main(void) {
+  if (false) test_code();
+  return 0;
+}
diff --git a/test/core/iomgr/endpoint_pair_test.c b/test/core/iomgr/endpoint_pair_test.c
index 7e266ebfb9..0df94a878f 100644
--- a/test/core/iomgr/endpoint_pair_test.c
+++ b/test/core/iomgr/endpoint_pair_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,17 @@
  *
  */
 
-#include "src/core/iomgr/tcp_posix.h"
-
+#include "src/core/lib/iomgr/endpoint_pair.h"
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/iomgr/endpoint_pair.h"
-#include "test/core/util/test_config.h"
 #include "test/core/iomgr/endpoint_tests.h"
+#include "test/core/util/test_config.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static void clean_up(void) {}
 
@@ -54,8 +53,8 @@ static grpc_endpoint_test_fixture create_fixture_endpoint_pair(
 
   f.client_ep = p.client;
   f.server_ep = p.server;
-  grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, &g_pollset);
-  grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, g_pollset);
   grpc_exec_ctx_finish(&exec_ctx);
 
   return f;
@@ -74,12 +73,14 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset);
-  grpc_endpoint_tests(configs[0], &g_pollset);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
+  grpc_endpoint_tests(configs[0], g_pollset, g_mu);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+  gpr_free(g_pollset);
 
   return 0;
 }
diff --git a/test/core/iomgr/endpoint_tests.c b/test/core/iomgr/endpoint_tests.c
index 1b6a78da9a..9b3b033624 100644
--- a/test/core/iomgr/endpoint_tests.c
+++ b/test/core/iomgr/endpoint_tests.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,8 +36,8 @@
 #include <sys/types.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/slice.h>
 #include <grpc/support/log.h>
+#include <grpc/support/slice.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
@@ -58,6 +58,7 @@
 
 */
 
+static gpr_mu *g_mu;
 static grpc_pollset *g_pollset;
 
 size_t count_slices(gpr_slice *slices, size_t nslices, int *current_data) {
@@ -134,10 +135,10 @@ static void read_and_write_test_read_handler(grpc_exec_ctx *exec_ctx,
       state->incoming.slices, state->incoming.count, &state->current_read_data);
   if (state->bytes_read == state->target_bytes || !success) {
     gpr_log(GPR_INFO, "Read handler done");
-    gpr_mu_lock(GRPC_POLLSET_MU(g_pollset));
+    gpr_mu_lock(g_mu);
     state->read_done = 1 + success;
     grpc_pollset_kick(g_pollset, NULL);
-    gpr_mu_unlock(GRPC_POLLSET_MU(g_pollset));
+    gpr_mu_unlock(g_mu);
   } else if (success) {
     grpc_endpoint_read(exec_ctx, state->read_ep, &state->incoming,
                        &state->done_read);
@@ -169,10 +170,10 @@ static void read_and_write_test_write_handler(grpc_exec_ctx *exec_ctx,
   }
 
   gpr_log(GPR_INFO, "Write handler done");
-  gpr_mu_lock(GRPC_POLLSET_MU(g_pollset));
+  gpr_mu_lock(g_mu);
   state->write_done = 1 + success;
   grpc_pollset_kick(g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 /* Do both reading and writing using the grpc_endpoint API.
@@ -232,14 +233,14 @@ static void read_and_write_test(grpc_endpoint_test_config config,
   }
   grpc_exec_ctx_finish(&exec_ctx);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(g_pollset));
+  gpr_mu_lock(g_mu);
   while (!state.read_done || !state.write_done) {
-    grpc_pollset_worker worker;
+    grpc_pollset_worker *worker = NULL;
     GPR_ASSERT(gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), deadline) < 0);
     grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(g_pollset));
+  gpr_mu_unlock(g_mu);
   grpc_exec_ctx_finish(&exec_ctx);
 
   end_test(config);
@@ -251,9 +252,10 @@ static void read_and_write_test(grpc_endpoint_test_config config,
 }
 
 void grpc_endpoint_tests(grpc_endpoint_test_config config,
-                         grpc_pollset *pollset) {
+                         grpc_pollset *pollset, gpr_mu *mu) {
   size_t i;
   g_pollset = pollset;
+  g_mu = mu;
   read_and_write_test(config, 10000000, 100000, 8192, 0);
   read_and_write_test(config, 1000000, 100000, 1, 0);
   read_and_write_test(config, 100000000, 100000, 1, 1);
diff --git a/test/core/iomgr/endpoint_tests.h b/test/core/iomgr/endpoint_tests.h
index 700f854891..586010c863 100644
--- a/test/core/iomgr/endpoint_tests.h
+++ b/test/core/iomgr/endpoint_tests.h
@@ -36,7 +36,7 @@
 
 #include <sys/types.h>
 
-#include "src/core/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/endpoint.h"
 
 typedef struct grpc_endpoint_test_config grpc_endpoint_test_config;
 typedef struct grpc_endpoint_test_fixture grpc_endpoint_test_fixture;
@@ -53,6 +53,6 @@ struct grpc_endpoint_test_config {
 };
 
 void grpc_endpoint_tests(grpc_endpoint_test_config config,
-                         grpc_pollset *pollset);
+                         grpc_pollset *pollset, gpr_mu *mu);
 
 #endif /* GRPC_TEST_CORE_IOMGR_ENDPOINT_TESTS_H */
diff --git a/test/core/iomgr/fd_conservation_posix_test.c b/test/core/iomgr/fd_conservation_posix_test.c
index 401bf70a9e..bbb3f46497 100644
--- a/test/core/iomgr/fd_conservation_posix_test.c
+++ b/test/core/iomgr/fd_conservation_posix_test.c
@@ -35,9 +35,9 @@
 
 #include <grpc/support/log.h>
 
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
 
 int main(int argc, char **argv) {
   int i;
diff --git a/test/core/iomgr/fd_posix_test.c b/test/core/iomgr/fd_posix_test.c
index 347a86af10..f97f33712e 100644
--- a/test/core/iomgr/fd_posix_test.c
+++ b/test/core/iomgr/fd_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/fd_posix.h"
+#include "src/core/lib/iomgr/ev_posix.h"
 
 #include <ctype.h>
 #include <errno.h>
@@ -49,9 +49,13 @@
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 /* buffer size used to send and receive data.
    1024 is the minimal value to set TCP send and receive buffer. */
@@ -131,7 +135,7 @@ static void session_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
 static void session_read_cb(grpc_exec_ctx *exec_ctx, void *arg, /*session */
                             bool success) {
   session *se = arg;
-  int fd = se->em_fd->fd;
+  int fd = grpc_fd_wrapped_fd(se->em_fd);
 
   ssize_t read_once = 0;
   ssize_t read_total = 0;
@@ -179,10 +183,10 @@ static void listen_shutdown_cb(grpc_exec_ctx *exec_ctx, void *arg /*server */,
 
   grpc_fd_orphan(exec_ctx, sv->em_fd, NULL, NULL, "b");
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   sv->done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 /* Called when a new TCP connection request arrives in the listening port. */
@@ -201,7 +205,7 @@ static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
     return;
   }
 
-  fd = accept(listen_em_fd->fd, (struct sockaddr *)&ss, &slen);
+  fd = accept(grpc_fd_wrapped_fd(listen_em_fd), (struct sockaddr *)&ss, &slen);
   GPR_ASSERT(fd >= 0);
   GPR_ASSERT(fd < FD_SETSIZE);
   flags = fcntl(fd, F_GETFL, 0);
@@ -209,7 +213,7 @@ static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
   se = gpr_malloc(sizeof(*se));
   se->sv = sv;
   se->em_fd = grpc_fd_create(fd, "listener");
-  grpc_pollset_add_fd(exec_ctx, &g_pollset, se->em_fd);
+  grpc_pollset_add_fd(exec_ctx, g_pollset, se->em_fd);
   se->session_read_closure.cb = session_read_cb;
   se->session_read_closure.cb_arg = se;
   grpc_fd_notify_on_read(exec_ctx, se->em_fd, &se->session_read_closure);
@@ -238,7 +242,7 @@ static int server_start(grpc_exec_ctx *exec_ctx, server *sv) {
   GPR_ASSERT(listen(fd, MAX_NUM_FD) == 0);
 
   sv->em_fd = grpc_fd_create(fd, "server");
-  grpc_pollset_add_fd(exec_ctx, &g_pollset, sv->em_fd);
+  grpc_pollset_add_fd(exec_ctx, g_pollset, sv->em_fd);
   /* Register to be interested in reading from listen_fd. */
   sv->listen_closure.cb = listen_cb;
   sv->listen_closure.cb_arg = sv;
@@ -249,18 +253,18 @@ static int server_start(grpc_exec_ctx *exec_ctx, server *sv) {
 
 /* Wait and shutdown a sever. */
 static void server_wait_and_shutdown(server *sv) {
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!sv->done) {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 /* ===An upload client to test notify_on_write=== */
@@ -296,20 +300,20 @@ static void client_session_shutdown_cb(grpc_exec_ctx *exec_ctx,
   client *cl = arg;
   grpc_fd_orphan(exec_ctx, cl->em_fd, NULL, NULL, "c");
   cl->done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
+  grpc_pollset_kick(g_pollset, NULL);
 }
 
 /* Write as much as possible, then register notify_on_write. */
 static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
                                  bool success) {
   client *cl = arg;
-  int fd = cl->em_fd->fd;
+  int fd = grpc_fd_wrapped_fd(cl->em_fd);
   ssize_t write_once = 0;
 
   if (!success) {
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
     client_session_shutdown_cb(exec_ctx, arg, 1);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     return;
   }
 
@@ -319,7 +323,7 @@ static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
   } while (write_once > 0);
 
   if (errno == EAGAIN) {
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
     if (cl->client_write_cnt < CLIENT_TOTAL_WRITE_CNT) {
       cl->write_closure.cb = client_session_write;
       cl->write_closure.cb_arg = cl;
@@ -328,7 +332,7 @@ static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
     } else {
       client_session_shutdown_cb(exec_ctx, arg, 1);
     }
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
   } else {
     gpr_log(GPR_ERROR, "unknown errno %s", strerror(errno));
     abort();
@@ -357,25 +361,25 @@ static void client_start(grpc_exec_ctx *exec_ctx, client *cl, int port) {
   }
 
   cl->em_fd = grpc_fd_create(fd, "client");
-  grpc_pollset_add_fd(exec_ctx, &g_pollset, cl->em_fd);
+  grpc_pollset_add_fd(exec_ctx, g_pollset, cl->em_fd);
 
   client_session_write(exec_ctx, cl, 1);
 }
 
 /* Wait for the signal to shutdown a client. */
 static void client_wait_and_shutdown(client *cl) {
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!cl->done) {
-    grpc_pollset_worker worker;
+    grpc_pollset_worker *worker = NULL;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 /* Test grpc_fd. Start an upload server and client, upload a stream of
@@ -410,20 +414,20 @@ static void first_read_callback(grpc_exec_ctx *exec_ctx,
                                 void *arg /* fd_change_data */, bool success) {
   fd_change_data *fdc = arg;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   fdc->cb_that_ran = first_read_callback;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void second_read_callback(grpc_exec_ctx *exec_ctx,
                                  void *arg /* fd_change_data */, bool success) {
   fd_change_data *fdc = arg;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   fdc->cb_that_ran = second_read_callback;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 /* Test that changing the callback we use for notify_on_read actually works.
@@ -456,7 +460,7 @@ static void test_grpc_fd_change(void) {
   GPR_ASSERT(fcntl(sv[1], F_SETFL, flags | O_NONBLOCK) == 0);
 
   em_fd = grpc_fd_create(sv[0], "test_grpc_fd_change");
-  grpc_pollset_add_fd(&exec_ctx, &g_pollset, em_fd);
+  grpc_pollset_add_fd(&exec_ctx, g_pollset, em_fd);
 
   /* Register the first callback, then make its FD readable */
   grpc_fd_notify_on_read(&exec_ctx, em_fd, &first_closure);
@@ -465,18 +469,18 @@ static void test_grpc_fd_change(void) {
   GPR_ASSERT(result == 1);
 
   /* And now wait for it to run. */
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (a.cb_that_ran == NULL) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   GPR_ASSERT(a.cb_that_ran == first_read_callback);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   /* And drain the socket so we can generate a new read edge */
   result = read(sv[0], &data, 1);
@@ -489,19 +493,19 @@ static void test_grpc_fd_change(void) {
   result = write(sv[1], &data, 1);
   GPR_ASSERT(result == 1);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (b.cb_that_ran == NULL) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   /* Except now we verify that second_read_callback ran instead */
   GPR_ASSERT(b.cb_that_ran == second_read_callback);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   grpc_fd_orphan(&exec_ctx, em_fd, NULL, NULL, "d");
   grpc_exec_ctx_finish(&exec_ctx);
@@ -519,12 +523,14 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_iomgr_init();
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
   test_grpc_fd();
   test_grpc_fd_change();
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
+  gpr_free(g_pollset);
   grpc_iomgr_shutdown();
   return 0;
 }
diff --git a/test/core/iomgr/resolve_address_test.c b/test/core/iomgr/resolve_address_test.c
index 56ce091a88..a66edc9df2 100644
--- a/test/core/iomgr/resolve_address_test.c
+++ b/test/core/iomgr/resolve_address_test.c
@@ -31,11 +31,11 @@
  *
  */
 
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/iomgr/executor.h"
+#include "src/core/lib/iomgr/resolve_address.h"
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/executor.h"
 #include "test/core/util/test_config.h"
 
 static gpr_timespec test_deadline(void) {
diff --git a/test/core/iomgr/sockaddr_utils_test.c b/test/core/iomgr/sockaddr_utils_test.c
index a7b57c1466..a330314443 100644
--- a/test/core/iomgr/sockaddr_utils_test.c
+++ b/test/core/iomgr/sockaddr_utils_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 
 #include <errno.h>
 #include <string.h>
diff --git a/test/core/iomgr/socket_utils_test.c b/test/core/iomgr/socket_utils_test.c
index 58c3fbc0ae..85c027a978 100644
--- a/test/core/iomgr/socket_utils_test.c
+++ b/test/core/iomgr/socket_utils_test.c
@@ -32,7 +32,7 @@
  */
 
 #include <grpc/support/port_platform.h>
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 #include <errno.h>
 #include <string.h>
diff --git a/test/core/iomgr/tcp_client_posix_test.c b/test/core/iomgr/tcp_client_posix_test.c
index 9725d8a3b6..22dc9366c3 100644
--- a/test/core/iomgr/tcp_client_posix_test.c
+++ b/test/core/iomgr/tcp_client_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_client.h"
 
 #include <errno.h>
 #include <netinet/in.h>
@@ -40,15 +40,19 @@
 #include <unistd.h>
 
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/pollset_set.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/timer.h"
 #include "test/core/util/test_config.h"
 
-static grpc_pollset_set g_pollset_set;
-static grpc_pollset g_pollset;
+static grpc_pollset_set *g_pollset_set;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 static int g_connections_complete = 0;
 static grpc_endpoint *g_connecting = NULL;
 
@@ -57,10 +61,10 @@ static gpr_timespec test_deadline(void) {
 }
 
 static void finish_connection() {
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   g_connections_complete++;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void must_succeed(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
@@ -98,14 +102,14 @@ void test_succeeds(void) {
   GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
   GPR_ASSERT(0 == listen(svr_fd, 1));
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   connections_complete_before = g_connections_complete;
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   /* connect to it */
   GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
   grpc_closure_init(&done, must_succeed, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
+  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
                           (struct sockaddr *)&addr, addr_len,
                           gpr_inf_future(GPR_CLOCK_REALTIME));
 
@@ -117,19 +121,21 @@ void test_succeeds(void) {
   GPR_ASSERT(r >= 0);
   close(r);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
 
   while (g_connections_complete == connections_complete_before) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-    grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
+    grpc_exec_ctx_flush(&exec_ctx);
+    gpr_mu_lock(g_mu);
   }
 
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
+
+  grpc_exec_ctx_finish(&exec_ctx);
 }
 
 void test_fails(void) {
@@ -144,118 +150,33 @@ void test_fails(void) {
   memset(&addr, 0, sizeof(addr));
   addr.sin_family = AF_INET;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   connections_complete_before = g_connections_complete;
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   /* connect to a broken address */
   grpc_closure_init(&done, must_fail, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
+  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set,
                           (struct sockaddr *)&addr, addr_len,
                           gpr_inf_future(GPR_CLOCK_REALTIME));
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
 
   /* wait for the connection callback to finish */
   while (g_connections_complete == connections_complete_before) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC), test_deadline());
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-    grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
-  }
-
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-}
-
-void test_times_out(void) {
-  struct sockaddr_in addr;
-  socklen_t addr_len = sizeof(addr);
-  int svr_fd;
-#define NUM_CLIENT_CONNECTS 100
-  int client_fd[NUM_CLIENT_CONNECTS];
-  int i;
-  int r;
-  int connections_complete_before;
-  gpr_timespec connect_deadline;
-  grpc_closure done;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-
-  gpr_log(GPR_DEBUG, "test_times_out");
-
-  memset(&addr, 0, sizeof(addr));
-  addr.sin_family = AF_INET;
-
-  /* create a dummy server */
-  svr_fd = socket(AF_INET, SOCK_STREAM, 0);
-  GPR_ASSERT(svr_fd >= 0);
-  GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len));
-  GPR_ASSERT(0 == listen(svr_fd, 1));
-  /* Get its address */
-  GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0);
-
-  /* tie up the listen buffer, which is somewhat arbitrarily sized. */
-  for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
-    client_fd[i] = socket(AF_INET, SOCK_STREAM, 0);
-    grpc_set_socket_nonblocking(client_fd[i], 1);
-    do {
-      r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len);
-    } while (r == -1 && errno == EINTR);
-    GPR_ASSERT(r < 0);
-    GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS);
-  }
-
-  /* connect to dummy server address */
-
-  connect_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1);
-
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
-  connections_complete_before = g_connections_complete;
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-
-  grpc_closure_init(&done, must_fail, NULL);
-  grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, &g_pollset_set,
-                          (struct sockaddr *)&addr, addr_len, connect_deadline);
-
-  /* Make sure the event doesn't trigger early */
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
-  for (;;) {
-    grpc_pollset_worker worker;
-    gpr_timespec now = gpr_now(connect_deadline.clock_type);
-    gpr_timespec continue_verifying_time =
-        gpr_time_from_seconds(5, GPR_TIMESPAN);
-    gpr_timespec grace_time = gpr_time_from_seconds(3, GPR_TIMESPAN);
-    gpr_timespec finish_time =
-        gpr_time_add(connect_deadline, continue_verifying_time);
-    gpr_timespec restart_verifying_time =
-        gpr_time_add(connect_deadline, grace_time);
-    int is_after_deadline = gpr_time_cmp(now, connect_deadline) > 0;
-    if (gpr_time_cmp(now, finish_time) > 0) {
-      break;
+    grpc_pollset_worker *worker = NULL;
+    gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
+    gpr_timespec polling_deadline = test_deadline();
+    if (!grpc_timer_check(&exec_ctx, now, &polling_deadline)) {
+      grpc_pollset_work(&exec_ctx, g_pollset, &worker, now, polling_deadline);
     }
-    gpr_log(GPR_DEBUG, "now=%lld.%09d connect_deadline=%lld.%09d",
-            (long long)now.tv_sec, (int)now.tv_nsec,
-            (long long)connect_deadline.tv_sec, (int)connect_deadline.tv_nsec);
-    if (is_after_deadline && gpr_time_cmp(now, restart_verifying_time) <= 0) {
-      /* allow some slack before insisting that things be done */
-    } else {
-      GPR_ASSERT(g_connections_complete ==
-                 connections_complete_before + is_after_deadline);
-    }
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
-    grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
+    grpc_exec_ctx_flush(&exec_ctx);
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
 
-  close(svr_fd);
-  for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) {
-    close(client_fd[i]);
-  }
+  gpr_mu_unlock(g_mu);
+  grpc_exec_ctx_finish(&exec_ctx);
 }
 
 static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, bool success) {
@@ -267,18 +188,19 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_set_init(&g_pollset_set);
-  grpc_pollset_init(&g_pollset);
-  grpc_pollset_set_add_pollset(&exec_ctx, &g_pollset_set, &g_pollset);
+  g_pollset_set = grpc_pollset_set_create();
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
+  grpc_pollset_set_add_pollset(&exec_ctx, g_pollset_set, g_pollset);
   grpc_exec_ctx_finish(&exec_ctx);
   test_succeeds();
   gpr_log(GPR_ERROR, "End of first test");
   test_fails();
-  test_times_out();
-  grpc_pollset_set_destroy(&g_pollset_set);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_pollset_set_destroy(g_pollset_set);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+  gpr_free(g_pollset);
   return 0;
 }
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.c
index d290c6bc3a..d51b6b7597 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,13 +31,13 @@
  *
  */
 
-#include "src/core/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
-#include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 #include <unistd.h>
 
 #include <grpc/grpc.h>
@@ -45,10 +45,11 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "test/core/util/test_config.h"
 #include "test/core/iomgr/endpoint_tests.h"
+#include "test/core/util/test_config.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 /*
    General test notes:
@@ -145,7 +146,7 @@ static void read_cb(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
 
   GPR_ASSERT(success);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   current_data = state->read_bytes % 256;
   read_bytes = count_slices(state->incoming.slices, state->incoming.count,
                             &current_data);
@@ -153,10 +154,10 @@ static void read_cb(grpc_exec_ctx *exec_ctx, void *user_data, bool success) {
   gpr_log(GPR_INFO, "Read %d bytes of %d", read_bytes,
           state->target_read_bytes);
   if (state->read_bytes >= state->target_read_bytes) {
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
   } else {
     grpc_endpoint_read(exec_ctx, state->ep, &state->incoming, &state->read_cb);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
   }
 }
 
@@ -175,7 +176,7 @@ static void read_test(size_t num_bytes, size_t slice_size) {
   create_sockets(sv);
 
   ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), slice_size, "test");
-  grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket_partial(sv[0], num_bytes);
   gpr_log(GPR_INFO, "Wrote %d bytes", written_bytes);
@@ -188,17 +189,17 @@ static void read_test(size_t num_bytes, size_t slice_size) {
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (state.read_bytes < state.target_read_bytes) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   gpr_slice_buffer_destroy(&state.incoming);
   grpc_endpoint_destroy(&exec_ctx, ep);
@@ -221,7 +222,7 @@ static void large_read_test(size_t slice_size) {
 
   ep = grpc_tcp_create(grpc_fd_create(sv[1], "large_read_test"), slice_size,
                        "test");
-  grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket(sv[0]);
   gpr_log(GPR_INFO, "Wrote %d bytes", written_bytes);
@@ -234,17 +235,17 @@ static void large_read_test(size_t slice_size) {
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (state.read_bytes < state.target_read_bytes) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   gpr_slice_buffer_destroy(&state.incoming);
   grpc_endpoint_destroy(&exec_ctx, ep);
@@ -283,11 +284,11 @@ static void write_done(grpc_exec_ctx *exec_ctx,
                        void *user_data /* write_socket_state */, bool success) {
   struct write_socket_state *state = (struct write_socket_state *)user_data;
   gpr_log(GPR_INFO, "Write done callback called");
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   gpr_log(GPR_INFO, "Signalling write done");
   state->write_done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 void drain_socket_blocking(int fd, size_t num_bytes, size_t read_size) {
@@ -303,12 +304,12 @@ void drain_socket_blocking(int fd, size_t num_bytes, size_t read_size) {
   GPR_ASSERT(fcntl(fd, F_SETFL, flags & ~O_NONBLOCK) == 0);
 
   for (;;) {
-    grpc_pollset_worker worker;
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    gpr_mu_lock(g_mu);
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
     do {
       bytes_read =
@@ -350,7 +351,7 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 
   ep = grpc_tcp_create(grpc_fd_create(sv[1], "write_test"),
                        GRPC_TCP_DEFAULT_READ_SLICE_SIZE, "test");
-  grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   state.ep = ep;
   state.write_done = 0;
@@ -363,19 +364,19 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 
   grpc_endpoint_write(&exec_ctx, ep, &outgoing, &write_done_closure);
   drain_socket_blocking(sv[0], num_bytes, num_bytes);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   for (;;) {
-    grpc_pollset_worker worker;
+    grpc_pollset_worker *worker = NULL;
     if (state.write_done) {
       break;
     }
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   gpr_slice_buffer_destroy(&outgoing);
   grpc_endpoint_destroy(&exec_ctx, ep);
@@ -386,7 +387,7 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 void on_fd_released(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
   int *done = arg;
   *done = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
+  grpc_pollset_kick(g_pollset, NULL);
 }
 
 /* Do a read_test, then release fd and try to read/write again. Verify that
@@ -410,7 +411,7 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
 
   ep = grpc_tcp_create(grpc_fd_create(sv[1], "read_test"), slice_size, "test");
   GPR_ASSERT(grpc_tcp_fd(ep) == sv[1] && sv[1] >= 0);
-  grpc_endpoint_add_to_pollset(&exec_ctx, ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, ep, g_pollset);
 
   written_bytes = fill_socket_partial(sv[0], num_bytes);
   gpr_log(GPR_INFO, "Wrote %d bytes", written_bytes);
@@ -423,27 +424,27 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (state.read_bytes < state.target_read_bytes) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   GPR_ASSERT(state.read_bytes == state.target_read_bytes);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   gpr_slice_buffer_destroy(&state.incoming);
   grpc_tcp_destroy_and_release_fd(&exec_ctx, ep, &fd, &fd_released_cb);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   while (!fd_released_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
   GPR_ASSERT(fd_released_done == 1);
   GPR_ASSERT(fd == sv[1]);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -491,8 +492,8 @@ static grpc_endpoint_test_fixture create_fixture_tcp_socketpair(
                                 slice_size, "test");
   f.server_ep = grpc_tcp_create(grpc_fd_create(sv[1], "fixture:server"),
                                 slice_size, "test");
-  grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, &g_pollset);
-  grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, f.server_ep, g_pollset);
 
   grpc_exec_ctx_finish(&exec_ctx);
 
@@ -512,13 +513,15 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
   run_tests();
-  grpc_endpoint_tests(configs[0], &g_pollset);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_endpoint_tests(configs[0], g_pollset, g_mu);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+  gpr_free(g_pollset);
 
   return 0;
 }
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index 272d97bfcb..266d2396af 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,25 +31,29 @@
  *
  */
 
-#include "src/core/iomgr/tcp_server.h"
-#include "src/core/iomgr/iomgr.h"
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+
+#include <errno.h>
+#include <netinet/in.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
-#include <errno.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <unistd.h>
-
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", #x)
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 static int g_nconnects = 0;
 
 typedef struct on_connect_result {
@@ -113,11 +117,11 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
   grpc_endpoint_shutdown(exec_ctx, tcp);
   grpc_endpoint_destroy(exec_ctx, tcp);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   on_connect_result_set(&g_result, acceptor);
   g_nconnects++;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_no_op(void) {
@@ -174,7 +178,7 @@ static void tcp_connect(grpc_exec_ctx *exec_ctx, const struct sockaddr *remote,
   int clifd = socket(remote->sa_family, SOCK_STREAM, 0);
   int nconnects_before;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   nconnects_before = g_nconnects;
   on_connect_result_init(&g_result);
   GPR_ASSERT(clifd >= 0);
@@ -183,19 +187,19 @@ static void tcp_connect(grpc_exec_ctx *exec_ctx, const struct sockaddr *remote,
   gpr_log(GPR_DEBUG, "wait");
   while (g_nconnects == nconnects_before &&
          gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) > 0) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(exec_ctx, &g_pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(exec_ctx, g_pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_unlock(g_mu);
     grpc_exec_ctx_finish(exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+    gpr_mu_lock(g_mu);
   }
   gpr_log(GPR_DEBUG, "wait done");
   GPR_ASSERT(g_nconnects == nconnects_before + 1);
   close(clifd);
   *result = g_result;
 
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 /* Tests a tcp server with multiple ports. TODO(daniel-j-born): Multiple fds for
@@ -210,7 +214,6 @@ static void test_connect(unsigned n) {
   unsigned svr1_fd_count;
   int svr1_port;
   grpc_tcp_server *s = grpc_tcp_server_create(NULL);
-  grpc_pollset *pollsets[1];
   unsigned i;
   server_weak_ref weak_ref;
   server_weak_ref_init(&weak_ref);
@@ -259,8 +262,7 @@ static void test_connect(unsigned n) {
     }
   }
 
-  pollsets[0] = &g_pollset;
-  grpc_tcp_server_start(&exec_ctx, s, pollsets, 1, on_connect, NULL);
+  grpc_tcp_server_start(&exec_ctx, s, &g_pollset, 1, on_connect, NULL);
 
   for (i = 0; i < n; i++) {
     on_connect_result result;
@@ -312,7 +314,8 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_no_op();
   test_no_op_with_start();
@@ -321,9 +324,10 @@ int main(int argc, char **argv) {
   test_connect(1);
   test_connect(10);
 
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+  gpr_free(g_pollset);
   return 0;
 }
diff --git a/test/core/iomgr/time_averaged_stats_test.c b/test/core/iomgr/time_averaged_stats_test.c
index cb006d152a..72f8559d66 100644
--- a/test/core/iomgr/time_averaged_stats_test.c
+++ b/test/core/iomgr/time_averaged_stats_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/iomgr/time_averaged_stats.h"
+#include "src/core/lib/iomgr/time_averaged_stats.h"
 
 #include <math.h>
 
diff --git a/test/core/iomgr/timer_heap_test.c b/test/core/iomgr/timer_heap_test.c
index 077a9fd6bd..d1cb0047f2 100644
--- a/test/core/iomgr/timer_heap_test.c
+++ b/test/core/iomgr/timer_heap_test.c
@@ -31,13 +31,15 @@
  *
  */
 
-#include "src/core/iomgr/timer_heap.h"
+#include "src/core/lib/iomgr/timer_heap.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+
 #include "test/core/util/test_config.h"
 
 static gpr_timespec random_deadline(void) {
@@ -57,79 +59,6 @@ static grpc_timer *create_test_elements(size_t num_elements) {
   return elems;
 }
 
-static int cmp_elem(const void *a, const void *b) {
-  int i = *(const int *)a;
-  int j = *(const int *)b;
-  return i - j;
-}
-
-static size_t *all_top(grpc_timer_heap *pq, size_t *n) {
-  size_t *vec = NULL;
-  size_t *need_to_check_children;
-  size_t num_need_to_check_children = 0;
-
-  *n = 0;
-  if (pq->timer_count == 0) return vec;
-  need_to_check_children =
-      gpr_malloc(pq->timer_count * sizeof(*need_to_check_children));
-  need_to_check_children[num_need_to_check_children++] = 0;
-  vec = gpr_malloc(pq->timer_count * sizeof(*vec));
-  while (num_need_to_check_children > 0) {
-    size_t ind = need_to_check_children[0];
-    size_t leftchild, rightchild;
-    num_need_to_check_children--;
-    memmove(need_to_check_children, need_to_check_children + 1,
-            num_need_to_check_children * sizeof(*need_to_check_children));
-    vec[(*n)++] = ind;
-    leftchild = 1u + 2u * ind;
-    if (leftchild < pq->timer_count) {
-      if (gpr_time_cmp(pq->timers[leftchild]->deadline,
-                       pq->timers[ind]->deadline) >= 0) {
-        need_to_check_children[num_need_to_check_children++] = leftchild;
-      }
-      rightchild = leftchild + 1;
-      if (rightchild < pq->timer_count &&
-          gpr_time_cmp(pq->timers[rightchild]->deadline,
-                       pq->timers[ind]->deadline) >= 0) {
-        need_to_check_children[num_need_to_check_children++] = rightchild;
-      }
-    }
-  }
-
-  gpr_free(need_to_check_children);
-
-  return vec;
-}
-
-static void check_pq_top(grpc_timer *elements, grpc_timer_heap *pq,
-                         uint8_t *inpq, size_t num_elements) {
-  gpr_timespec max_deadline = gpr_inf_past(GPR_CLOCK_REALTIME);
-  size_t *max_deadline_indices =
-      gpr_malloc(num_elements * sizeof(*max_deadline_indices));
-  size_t *top_elements;
-  size_t num_max_deadline_indices = 0;
-  size_t num_top_elements;
-  size_t i;
-  for (i = 0; i < num_elements; ++i) {
-    if (inpq[i] && gpr_time_cmp(elements[i].deadline, max_deadline) >= 0) {
-      if (gpr_time_cmp(elements[i].deadline, max_deadline) > 0) {
-        num_max_deadline_indices = 0;
-        max_deadline = elements[i].deadline;
-      }
-      max_deadline_indices[num_max_deadline_indices++] = elements[i].heap_index;
-    }
-  }
-  qsort(max_deadline_indices, num_max_deadline_indices,
-        sizeof(*max_deadline_indices), cmp_elem);
-  top_elements = all_top(pq, &num_top_elements);
-  GPR_ASSERT(num_top_elements == num_max_deadline_indices);
-  for (i = 0; i < num_top_elements; i++) {
-    GPR_ASSERT(max_deadline_indices[i] == top_elements[i]);
-  }
-  gpr_free(max_deadline_indices);
-  gpr_free(top_elements);
-}
-
 static int contains(grpc_timer_heap *pq, grpc_timer *el) {
   size_t i;
   for (i = 0; i < pq->timer_count; i++) {
@@ -145,15 +74,19 @@ static void check_valid(grpc_timer_heap *pq) {
     size_t right_child = left_child + 1u;
     if (left_child < pq->timer_count) {
       GPR_ASSERT(gpr_time_cmp(pq->timers[i]->deadline,
-                              pq->timers[left_child]->deadline) >= 0);
+                              pq->timers[left_child]->deadline) <= 0);
     }
     if (right_child < pq->timer_count) {
       GPR_ASSERT(gpr_time_cmp(pq->timers[i]->deadline,
-                              pq->timers[right_child]->deadline) >= 0);
+                              pq->timers[right_child]->deadline) <= 0);
     }
   }
 }
 
+/*******************************************************************************
+ * test1
+ */
+
 static void test1(void) {
   grpc_timer_heap pq;
   const size_t num_test_elements = 200;
@@ -162,6 +95,8 @@ static void test1(void) {
   grpc_timer *test_elements = create_test_elements(num_test_elements);
   uint8_t *inpq = gpr_malloc(num_test_elements);
 
+  gpr_log(GPR_INFO, "test1");
+
   grpc_timer_heap_init(&pq);
   memset(inpq, 0, num_test_elements);
   GPR_ASSERT(grpc_timer_heap_is_empty(&pq));
@@ -172,7 +107,6 @@ static void test1(void) {
     check_valid(&pq);
     GPR_ASSERT(contains(&pq, &test_elements[i]));
     inpq[i] = 1;
-    check_pq_top(test_elements, &pq, inpq, num_test_elements);
   }
   for (i = 0; i < num_test_elements; ++i) {
     /* Test that check still succeeds even for element that wasn't just
@@ -182,7 +116,7 @@ static void test1(void) {
 
   GPR_ASSERT(pq.timer_count == num_test_elements);
 
-  check_pq_top(test_elements, &pq, inpq, num_test_elements);
+  check_valid(&pq);
 
   for (i = 0; i < num_test_operations; ++i) {
     size_t elem_num = (size_t)rand() % num_test_elements;
@@ -193,14 +127,12 @@ static void test1(void) {
       grpc_timer_heap_add(&pq, el);
       GPR_ASSERT(contains(&pq, el));
       inpq[elem_num] = 1;
-      check_pq_top(test_elements, &pq, inpq, num_test_elements);
       check_valid(&pq);
     } else {
       GPR_ASSERT(contains(&pq, el));
       grpc_timer_heap_remove(&pq, el);
       GPR_ASSERT(!contains(&pq, el));
       inpq[elem_num] = 0;
-      check_pq_top(test_elements, &pq, inpq, num_test_elements);
       check_valid(&pq);
     }
   }
@@ -210,7 +142,110 @@ static void test1(void) {
   gpr_free(inpq);
 }
 
+/*******************************************************************************
+ * test2
+ */
+
+typedef struct {
+  grpc_timer elem;
+  bool inserted;
+} elem_struct;
+
+static elem_struct *search_elems(elem_struct *elems, size_t count,
+                                 bool inserted) {
+  size_t *search_order = gpr_malloc(count * sizeof(*search_order));
+  for (size_t i = 0; i < count; i++) {
+    search_order[i] = i;
+  }
+  for (size_t i = 0; i < count * 2; i++) {
+    size_t a = (size_t)rand() % count;
+    size_t b = (size_t)rand() % count;
+    GPR_SWAP(size_t, search_order[a], search_order[b]);
+  }
+  elem_struct *out = NULL;
+  for (size_t i = 0; out == NULL && i < count; i++) {
+    if (elems[search_order[i]].inserted == inserted) {
+      out = &elems[search_order[i]];
+    }
+  }
+  gpr_free(search_order);
+  return out;
+}
+
+static void test2(void) {
+  gpr_log(GPR_INFO, "test2");
+
+  grpc_timer_heap pq;
+
+  static const size_t elems_size = 1000;
+  elem_struct *elems = gpr_malloc(elems_size * sizeof(elem_struct));
+  size_t num_inserted = 0;
+
+  grpc_timer_heap_init(&pq);
+  memset(elems, 0, elems_size);
+
+  for (size_t round = 0; round < 10000; round++) {
+    int r = rand() % 1000;
+    if (r <= 550) {
+      /* 55% of the time we try to add something */
+      elem_struct *el = search_elems(elems, GPR_ARRAY_SIZE(elems), false);
+      if (el != NULL) {
+        el->elem.deadline = random_deadline();
+        grpc_timer_heap_add(&pq, &el->elem);
+        el->inserted = true;
+        num_inserted++;
+        check_valid(&pq);
+      }
+    } else if (r <= 650) {
+      /* 10% of the time we try to remove something */
+      elem_struct *el = search_elems(elems, GPR_ARRAY_SIZE(elems), true);
+      if (el != NULL) {
+        grpc_timer_heap_remove(&pq, &el->elem);
+        el->inserted = false;
+        num_inserted--;
+        check_valid(&pq);
+      }
+    } else {
+      /* the remaining times we pop */
+      if (num_inserted > 0) {
+        grpc_timer *top = grpc_timer_heap_top(&pq);
+        grpc_timer_heap_pop(&pq);
+        for (size_t i = 0; i < elems_size; i++) {
+          if (top == &elems[i].elem) {
+            GPR_ASSERT(elems[i].inserted);
+            elems[i].inserted = false;
+          }
+        }
+        num_inserted--;
+        check_valid(&pq);
+      }
+    }
+
+    if (num_inserted) {
+      gpr_timespec *min_deadline = NULL;
+      for (size_t i = 0; i < elems_size; i++) {
+        if (elems[i].inserted) {
+          if (min_deadline == NULL) {
+            min_deadline = &elems[i].elem.deadline;
+          } else {
+            if (gpr_time_cmp(elems[i].elem.deadline, *min_deadline) < 0) {
+              min_deadline = &elems[i].elem.deadline;
+            }
+          }
+        }
+      }
+      GPR_ASSERT(
+          0 == gpr_time_cmp(grpc_timer_heap_top(&pq)->deadline, *min_deadline));
+    }
+  }
+
+  grpc_timer_heap_destroy(&pq);
+  gpr_free(elems);
+}
+
 static void shrink_test(void) {
+  gpr_log(GPR_INFO, "shrink_test");
+
   grpc_timer_heap pq;
   size_t i;
   size_t expected_size;
@@ -274,6 +309,7 @@ int main(int argc, char **argv) {
 
   for (i = 0; i < 5; i++) {
     test1();
+    test2();
     shrink_test();
   }
 
diff --git a/test/core/iomgr/timer_list_test.c b/test/core/iomgr/timer_list_test.c
index 15de87c5a1..2e0f5c8701 100644
--- a/test/core/iomgr/timer_list_test.c
+++ b/test/core/iomgr/timer_list_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +31,10 @@
  *
  */
 
-#include "src/core/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer.h"
 
 #include <string.h>
 
-#include "src/core/iomgr/timer_internal.h"
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
@@ -72,20 +71,18 @@ static void add_test(void) {
   }
 
   /* collect timers.  Only the first batch should be ready. */
-  GPR_ASSERT(10 == grpc_timer_check(&exec_ctx,
-                                    gpr_time_add(start, gpr_time_from_millis(
-                                                            500, GPR_TIMESPAN)),
-                                    NULL));
+  GPR_ASSERT(grpc_timer_check(
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(500, GPR_TIMESPAN)),
+      NULL));
   grpc_exec_ctx_finish(&exec_ctx);
   for (i = 0; i < 20; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 10));
     GPR_ASSERT(cb_called[i][0] == 0);
   }
 
-  GPR_ASSERT(0 == grpc_timer_check(&exec_ctx,
-                                   gpr_time_add(start, gpr_time_from_millis(
-                                                           600, GPR_TIMESPAN)),
-                                   NULL));
+  GPR_ASSERT(!grpc_timer_check(
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(600, GPR_TIMESPAN)),
+      NULL));
   grpc_exec_ctx_finish(&exec_ctx);
   for (i = 0; i < 30; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 10));
@@ -93,20 +90,18 @@ static void add_test(void) {
   }
 
   /* collect the rest of the timers */
-  GPR_ASSERT(10 == grpc_timer_check(
-                       &exec_ctx, gpr_time_add(start, gpr_time_from_millis(
-                                                          1500, GPR_TIMESPAN)),
-                       NULL));
+  GPR_ASSERT(grpc_timer_check(
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(1500, GPR_TIMESPAN)),
+      NULL));
   grpc_exec_ctx_finish(&exec_ctx);
   for (i = 0; i < 30; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 20));
     GPR_ASSERT(cb_called[i][0] == 0);
   }
 
-  GPR_ASSERT(0 == grpc_timer_check(&exec_ctx,
-                                   gpr_time_add(start, gpr_time_from_millis(
-                                                           1600, GPR_TIMESPAN)),
-                                   NULL));
+  GPR_ASSERT(!grpc_timer_check(
+      &exec_ctx, gpr_time_add(start, gpr_time_from_millis(1600, GPR_TIMESPAN)),
+      NULL));
   for (i = 0; i < 30; i++) {
     GPR_ASSERT(cb_called[i][1] == (i < 20));
     GPR_ASSERT(cb_called[i][0] == 0);
diff --git a/test/core/iomgr/udp_server_test.c b/test/core/iomgr/udp_server_test.c
index 85e28732e4..463d40a46b 100644
--- a/test/core/iomgr/udp_server_test.c
+++ b/test/core/iomgr/udp_server_test.c
@@ -31,16 +31,18 @@
  *
  */
 
-#include "src/core/iomgr/udp_server.h"
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/lib/iomgr/udp_server.h"
+#include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
-#include <sys/socket.h>
 #include <netinet/in.h>
 #include <string.h>
+#include <sys/socket.h>
 #include <unistd.h>
 
 #ifdef GRPC_NEED_UDP
@@ -48,6 +50,7 @@
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", #x)
 
 static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
 static int g_number_of_reads = 0;
 static int g_number_of_bytes_read = 0;
 
@@ -56,14 +59,14 @@ static void on_read(grpc_exec_ctx *exec_ctx, grpc_fd *emfd,
   char read_buffer[512];
   ssize_t byte_count;
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   byte_count = recv(emfd->fd, read_buffer, sizeof(read_buffer), 0);
 
   g_number_of_reads++;
   g_number_of_bytes_read += (int)byte_count;
 
   grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_no_op(void) {
@@ -142,7 +145,7 @@ static void test_receive(int number_of_clients) {
   pollsets[0] = &g_pollset;
   grpc_udp_server_start(&exec_ctx, s, pollsets, 1, NULL);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
 
   for (i = 0; i < number_of_clients; i++) {
     deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
@@ -155,25 +158,25 @@ static void test_receive(int number_of_clients) {
     GPR_ASSERT(5 == write(clifd, "hello", 5));
     while (g_number_of_reads == number_of_reads_before &&
            gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) > 0) {
-      grpc_pollset_worker worker;
+      grpc_pollset_worker *worker = NULL;
       grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
                         gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-      gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+      gpr_mu_unlock(g_mu);
       grpc_exec_ctx_finish(&exec_ctx);
-      gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+      gpr_mu_lock(g_mu);
     }
     GPR_ASSERT(g_number_of_reads == number_of_reads_before + 1);
     close(clifd);
   }
   GPR_ASSERT(g_number_of_bytes_read == 5 * number_of_clients);
 
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_unlock(g_mu);
 
   grpc_udp_server_destroy(&exec_ctx, s, NULL);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
-static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, int success) {
+static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, bool success) {
   grpc_pollset_destroy(p);
 }
 
@@ -181,8 +184,8 @@ int main(int argc, char **argv) {
   grpc_closure destroyed;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
-  grpc_iomgr_init();
-  grpc_pollset_init(&g_pollset);
+  grpc_init();
+  grpc_pollset_init(&g_pollset, &g_mu);
 
   test_no_op();
   test_no_op_with_start();
diff --git a/test/core/iomgr/workqueue_test.c b/test/core/iomgr/workqueue_test.c
index 500170b542..874e696fc2 100644
--- a/test/core/iomgr/workqueue_test.c
+++ b/test/core/iomgr/workqueue_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,21 +31,23 @@
  *
  */
 
-#include "src/core/iomgr/workqueue.h"
+#include "src/core/lib/iomgr/workqueue.h"
 
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
 #include "test/core/util/test_config.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static void must_succeed(grpc_exec_ctx *exec_ctx, void *p, bool success) {
   GPR_ASSERT(success == 1);
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   *(int *)p = 1;
-  grpc_pollset_kick(&g_pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
 }
 
 static void test_ref_unref(void) {
@@ -63,17 +65,17 @@ static void test_add_closure(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
   gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
-  grpc_pollset_worker worker;
+  grpc_pollset_worker *worker = NULL;
   grpc_closure_init(&c, must_succeed, &done);
 
   grpc_workqueue_push(wq, &c, 1);
-  grpc_workqueue_add_to_pollset(&exec_ctx, wq, &g_pollset);
+  grpc_workqueue_add_to_pollset(&exec_ctx, wq, g_pollset);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   GPR_ASSERT(!done);
-  grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
-                    gpr_now(deadline.clock_type), deadline);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_work(&exec_ctx, g_pollset, &worker, gpr_now(deadline.clock_type),
+                    deadline);
+  gpr_mu_unlock(g_mu);
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(done);
 
@@ -87,18 +89,18 @@ static void test_flush(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
   gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
-  grpc_pollset_worker worker;
+  grpc_pollset_worker *worker = NULL;
   grpc_closure_init(&c, must_succeed, &done);
 
   grpc_exec_ctx_enqueue(&exec_ctx, &c, true, NULL);
   grpc_workqueue_flush(&exec_ctx, wq);
-  grpc_workqueue_add_to_pollset(&exec_ctx, wq, &g_pollset);
+  grpc_workqueue_add_to_pollset(&exec_ctx, wq, g_pollset);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
+  gpr_mu_lock(g_mu);
   GPR_ASSERT(!done);
-  grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
-                    gpr_now(deadline.clock_type), deadline);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
+  grpc_pollset_work(&exec_ctx, g_pollset, &worker, gpr_now(deadline.clock_type),
+                    deadline);
+  gpr_mu_unlock(g_mu);
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(done);
 
@@ -115,15 +117,18 @@ int main(int argc, char **argv) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_test_init(argc, argv);
   grpc_init();
-  grpc_pollset_init(&g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
 
   test_ref_unref();
   test_add_closure();
   test_flush();
 
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
+
+  gpr_free(g_pollset);
   return 0;
 }
diff --git a/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd b/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd
new file mode 100644
index 0000000000..762064c7a4
--- /dev/null
+++ b/test/core/json/corpus/006d552e952c42b5340baaeb85c2cb80c81e78dd
@@ -0,0 +1 @@
+1e�9
\ No newline at end of file
diff --git a/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18 b/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18
new file mode 100644
index 0000000000..8affa52ec5
--- /dev/null
+++ b/test/core/json/corpus/007eb985c44b6089a34995a7d9ebf349f1c2bf18
@@ -0,0 +1 @@
+{}3[
\ No newline at end of file
diff --git a/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905 b/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905
new file mode 100644
index 0000000000..7ffe3f3e08
--- /dev/null
+++ b/test/core/json/corpus/03b74a08f23734691512cb12d0b38d189a8df905
@@ -0,0 +1 @@
+0.6991 
\ No newline at end of file
diff --git a/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6 b/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6
new file mode 100644
index 0000000000..f7752eeee7
--- /dev/null
+++ b/test/core/json/corpus/0495693af07325fb0d52eafd2d4c4d802c6457c6
@@ -0,0 +1 @@
+0.83282
\ No newline at end of file
diff --git a/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751 b/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751
new file mode 100644
index 0000000000..8377c554f7
--- /dev/null
+++ b/test/core/json/corpus/05454ab015cf74e9c3e8574d995517e05dd56751
@@ -0,0 +1 @@
+21.595»
\ No newline at end of file
diff --git a/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c b/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c
new file mode 100644
index 0000000000..8e2afd3427
--- /dev/null
+++ b/test/core/json/corpus/0716d9708d321ffb6a00818614779e779925365c
@@ -0,0 +1 @@
+17
\ No newline at end of file
diff --git a/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc b/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc
new file mode 100644
index 0000000000..d249eb2e13
--- /dev/null
+++ b/test/core/json/corpus/0a9b3522a8e711e3bd53e2c2eb9d28b34a003acc
@@ -0,0 +1 @@
+[2.1e	"ˆÃ�796;]3*
\ No newline at end of file
diff --git a/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897 b/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897
new file mode 100644
index 0000000000..f11c82a4cb
--- /dev/null
+++ b/test/core/json/corpus/0ade7c2cf97f75d009975f4d720d1fa6c19f4897
@@ -0,0 +1 @@
+9
\ No newline at end of file
diff --git a/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318 b/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318
new file mode 100644
index 0000000000..b66d61bb14
--- /dev/null
+++ b/test/core/json/corpus/0b1fcf0ac07e1e50cfe27316c7e1c8cc997f1318
@@ -0,0 +1 @@
+{"'5E885,!\u065E{
\ No newline at end of file
diff --git a/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb b/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb
new file mode 100644
index 0000000000..2c23914282
--- /dev/null
+++ b/test/core/json/corpus/0bc13548356d08009703d35e9c8d74397367bdfb
@@ -0,0 +1 @@
+nu,*:
\ No newline at end of file
diff --git a/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5 b/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5
new file mode 100644
index 0000000000..f92893d1da
--- /dev/null
+++ b/test/core/json/corpus/0ea9a160c57f2c705dce037196e360bf9be739c5
@@ -0,0 +1 @@
+f'
\ No newline at end of file
diff --git a/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8 b/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8
new file mode 100644
index 0000000000..05a6fb2444
--- /dev/null
+++ b/test/core/json/corpus/0f20d9c46991c0e97419e2cca07c7389f1d6bdf8
@@ -0,0 +1 @@
+1e	"ˆÃ�9
\ No newline at end of file
diff --git a/test/core/json/corpus/0f2e2e6346f70c419300b661251754d50f7ca8ea b/test/core/json/corpus/0f2e2e6346f70c419300b661251754d50f7ca8ea
new file mode 100644
index 0000000000..e429f5078e
--- /dev/null
+++ b/test/core/json/corpus/0f2e2e6346f70c419300b661251754d50f7ca8ea
@@ -0,0 +1 @@
+[2.1982
\ No newline at end of file
diff --git a/test/core/json/corpus/108b310facc1a193833fc2971fd83081f775ea0c b/test/core/json/corpus/108b310facc1a193833fc2971fd83081f775ea0c
new file mode 100644
index 0000000000..45be455fdc
--- /dev/null
+++ b/test/core/json/corpus/108b310facc1a193833fc2971fd83081f775ea0c
@@ -0,0 +1 @@
+false)
\ No newline at end of file
diff --git a/test/core/json/corpus/108e5bcd69b19ad0df743641085163b84f376fe8 b/test/core/json/corpus/108e5bcd69b19ad0df743641085163b84f376fe8
new file mode 100644
index 0000000000..0973cbb254
--- /dev/null
+++ b/test/core/json/corpus/108e5bcd69b19ad0df743641085163b84f376fe8
@@ -0,0 +1,2 @@
+[{
+"ˆÃ" "ˆÃ"
\ No newline at end of file
diff --git a/test/core/json/corpus/10e3ecd5624465020fdf0662a67e0f0885536cae b/test/core/json/corpus/10e3ecd5624465020fdf0662a67e0f0885536cae
new file mode 100644
index 0000000000..5230607b9c
--- /dev/null
+++ b/test/core/json/corpus/10e3ecd5624465020fdf0662a67e0f0885536cae
@@ -0,0 +1 @@
+{"":0,(!Ó'(\'!)
\ No newline at end of file
diff --git a/test/core/json/corpus/113c8c97cbb0a2b6176d75eaa9ac9baaa7ccddcc b/test/core/json/corpus/113c8c97cbb0a2b6176d75eaa9ac9baaa7ccddcc
new file mode 100644
index 0000000000..8f04034910
--- /dev/null
+++ b/test/core/json/corpus/113c8c97cbb0a2b6176d75eaa9ac9baaa7ccddcc
@@ -0,0 +1 @@
+1¹
\ No newline at end of file
diff --git a/test/core/json/corpus/11479d936dd006410a5946b6081a94d573bf8efd b/test/core/json/corpus/11479d936dd006410a5946b6081a94d573bf8efd
new file mode 100644
index 0000000000..58cf749566
--- /dev/null
+++ b/test/core/json/corpus/11479d936dd006410a5946b6081a94d573bf8efd
@@ -0,0 +1 @@
+tr¹82 'A\E57;)
\ No newline at end of file
diff --git a/test/core/json/corpus/11aa091189b78d1cc35c7ff4907ac16a73aba547 b/test/core/json/corpus/11aa091189b78d1cc35c7ff4907ac16a73aba547
new file mode 100644
index 0000000000..cb88820207
--- /dev/null
+++ b/test/core/json/corpus/11aa091189b78d1cc35c7ff4907ac16a73aba547
@@ -0,0 +1 @@
+[9281.2;
\ No newline at end of file
diff --git a/test/core/json/corpus/1227907b2ee5a9492a890beed55332e4560834c8 b/test/core/json/corpus/1227907b2ee5a9492a890beed55332e4560834c8
new file mode 100644
index 0000000000..fd35270ae2
--- /dev/null
+++ b/test/core/json/corpus/1227907b2ee5a9492a890beed55332e4560834c8
@@ -0,0 +1 @@
+2}5
\ No newline at end of file
diff --git a/test/core/json/corpus/134d65130947ec69cf8df8483424b45e99cf04e3 b/test/core/json/corpus/134d65130947ec69cf8df8483424b45e99cf04e3
new file mode 100644
index 0000000000..522a9be402
--- /dev/null
+++ b/test/core/json/corpus/134d65130947ec69cf8df8483424b45e99cf04e3
@@ -0,0 +1 @@
+0.2995 
\ No newline at end of file
diff --git a/test/core/json/corpus/13584505caa892d94982a968bbc4391ebcfe0d06 b/test/core/json/corpus/13584505caa892d94982a968bbc4391ebcfe0d06
new file mode 100644
index 0000000000..9fb628a378
--- /dev/null
+++ b/test/core/json/corpus/13584505caa892d94982a968bbc4391ebcfe0d06
@@ -0,0 +1 @@
+{"',!\uA>Š
\ No newline at end of file
diff --git a/test/core/json/corpus/137f554ee0f6b903acb81ab4e1f98c11fe92b008 b/test/core/json/corpus/137f554ee0f6b903acb81ab4e1f98c11fe92b008
new file mode 100644
index 0000000000..98232c64fc
--- /dev/null
+++ b/test/core/json/corpus/137f554ee0f6b903acb81ab4e1f98c11fe92b008
@@ -0,0 +1 @@
+{
diff --git a/test/core/json/corpus/1401ea03ec78b8f20dc7be952555004d7147f0f5 b/test/core/json/corpus/1401ea03ec78b8f20dc7be952555004d7147f0f5
new file mode 100644
index 0000000000..595fe02dbc
--- /dev/null
+++ b/test/core/json/corpus/1401ea03ec78b8f20dc7be952555004d7147f0f5
@@ -0,0 +1 @@
+"ˆÃ{)ˆ!
\ No newline at end of file
diff --git a/test/core/json/corpus/141d45a59b073aeec4443cd7bcf20f7833ddbc95 b/test/core/json/corpus/141d45a59b073aeec4443cd7bcf20f7833ddbc95
new file mode 100644
index 0000000000..e2e68e8af9
--- /dev/null
+++ b/test/core/json/corpus/141d45a59b073aeec4443cd7bcf20f7833ddbc95
@@ -0,0 +1 @@
+"'',!\u658E{128031:;):ˆ)!Ã5*¾?'ʳ³!!*!à):!*à::)!9:\udbD86'
\ No newline at end of file
diff --git a/test/core/json/corpus/15a8f2e7f94aa00b46f1b991416aa015dd633580 b/test/core/json/corpus/15a8f2e7f94aa00b46f1b991416aa015dd633580
new file mode 100644
index 0000000000..7e613e891d
--- /dev/null
+++ b/test/core/json/corpus/15a8f2e7f94aa00b46f1b991416aa015dd633580
@@ -0,0 +1 @@
+{"":21}
\ No newline at end of file
diff --git a/test/core/json/corpus/15c9c1284c27c8893559e15c9b2a50cbd5bbb56f b/test/core/json/corpus/15c9c1284c27c8893559e15c9b2a50cbd5bbb56f
new file mode 100644
index 0000000000..21a9555f3b
--- /dev/null
+++ b/test/core/json/corpus/15c9c1284c27c8893559e15c9b2a50cbd5bbb56f
@@ -0,0 +1 @@
+[2,"ˆÃ!{)!:",ˆÃ
\ No newline at end of file
diff --git a/test/core/json/corpus/15d1a6cda48ef569b368a0c4627435bc2c80a988 b/test/core/json/corpus/15d1a6cda48ef569b368a0c4627435bc2c80a988
new file mode 100644
index 0000000000..8017a981b4
--- /dev/null
+++ b/test/core/json/corpus/15d1a6cda48ef569b368a0c4627435bc2c80a988
@@ -0,0 +1 @@
+	"ˆÃ "
\ No newline at end of file
diff --git a/test/core/json/corpus/17a29f2ac6df774585d7713091b299729738030c b/test/core/json/corpus/17a29f2ac6df774585d7713091b299729738030c
new file mode 100644
index 0000000000..9402a60393
--- /dev/null
+++ b/test/core/json/corpus/17a29f2ac6df774585d7713091b299729738030c
@@ -0,0 +1 @@
+[)
\ No newline at end of file
diff --git a/test/core/json/corpus/17b815f1f72cb64481bc40263e91ce063040f739 b/test/core/json/corpus/17b815f1f72cb64481bc40263e91ce063040f739
new file mode 100644
index 0000000000..81b218eb64
--- /dev/null
+++ b/test/core/json/corpus/17b815f1f72cb64481bc40263e91ce063040f739
@@ -0,0 +1 @@
+[tr
\ No newline at end of file
diff --git a/test/core/json/corpus/182d57403d2c973a394055017d35b7621aa0aa05 b/test/core/json/corpus/182d57403d2c973a394055017d35b7621aa0aa05
new file mode 100644
index 0000000000..f48f55e59d
--- /dev/null
+++ b/test/core/json/corpus/182d57403d2c973a394055017d35b7621aa0aa05
@@ -0,0 +1 @@
+null*:
\ No newline at end of file
diff --git a/test/core/json/corpus/190fbe2da448f6bdec0706c5301ad13363ae3ad9 b/test/core/json/corpus/190fbe2da448f6bdec0706c5301ad13363ae3ad9
new file mode 100644
index 0000000000..37144c716f
--- /dev/null
+++ b/test/core/json/corpus/190fbe2da448f6bdec0706c5301ad13363ae3ad9
@@ -0,0 +1 @@
+1e+2187�560
\ No newline at end of file
diff --git a/test/core/json/corpus/1b045a24b8f1f1fd6e8234d5019952ee7713a8b7 b/test/core/json/corpus/1b045a24b8f1f1fd6e8234d5019952ee7713a8b7
new file mode 100644
index 0000000000..04ac543c3c
--- /dev/null
+++ b/test/core/json/corpus/1b045a24b8f1f1fd6e8234d5019952ee7713a8b7
@@ -0,0 +1 @@
+\5
\ No newline at end of file
diff --git a/test/core/json/corpus/1b6453892473a467d07372d45eb05abc2031647a b/test/core/json/corpus/1b6453892473a467d07372d45eb05abc2031647a
new file mode 100644
index 0000000000..bf0d87ab1b
--- /dev/null
+++ b/test/core/json/corpus/1b6453892473a467d07372d45eb05abc2031647a
@@ -0,0 +1 @@
+4
\ No newline at end of file
diff --git a/test/core/json/corpus/1c6463aa2dabcb4fadc8e5441d8b418535e768af b/test/core/json/corpus/1c6463aa2dabcb4fadc8e5441d8b418535e768af
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+[2.19
\ No newline at end of file
diff --git a/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df b/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df
new file mode 100644
index 0000000000..e673b6dd2e
--- /dev/null
+++ b/test/core/json/corpus/e4a4085cc31476f5de9047422851d8ccf86339df
@@ -0,0 +1 @@
+{"',!\u@':Š
\ No newline at end of file
diff --git a/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1 b/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1
new file mode 100644
index 0000000000..fa71dbecbc
--- /dev/null
+++ b/test/core/json/corpus/e4e3c69da200af932c8a79fa055d7aeea28eb1d1
@@ -0,0 +1 @@
+[2."ˆÃ!{)!:",ˆÃ
\ No newline at end of file
diff --git a/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4 b/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4
new file mode 100644
index 0000000000..2b82dfea30
--- /dev/null
+++ b/test/core/json/corpus/e6c3dd630428fd54834172b8fd2735fed9416da4
@@ -0,0 +1 @@
+60
\ No newline at end of file
diff --git a/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea b/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea
new file mode 100644
index 0000000000..67a6628324
--- /dev/null
+++ b/test/core/json/corpus/e71eb37fca2070521e1e07c503c2bcd6445b35ea
@@ -0,0 +1 @@
+0
{
\ No newline at end of file
diff --git a/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536 b/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536
new file mode 100644
index 0000000000..3e747cc04e
--- /dev/null
+++ b/test/core/json/corpus/e760e6e22ae8cd1ea78fe28b5eb1f3d7b5fdc536
@@ -0,0 +1 @@
+{:ˆ)!Ã"*¾?'ʳ³!!*!à):!*à:::\udbD8ˆ)Ã!:{!`!?`¾¾!?'!*m,');…'`
\ No newline at end of file
diff --git a/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64 b/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64
new file mode 100644
index 0000000000..ca8bbcc42a
--- /dev/null
+++ b/test/core/json/corpus/e95ff1142118a2ca5b84935612a8a64d55360e64
@@ -0,0 +1 @@
+"ˆÃ{)!:*¾;?'ʳ³!!*!à):!*à:::\udb)8ˆÃ!‡:{!`!?`¾¾!?'!*m,');…'`
\ No newline at end of file
diff --git a/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c b/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c
new file mode 100644
index 0000000000..f9991b43f6
--- /dev/null
+++ b/test/core/json/corpus/e9c5e2c67930513941753c2d54591c7098c82f6c
@@ -0,0 +1 @@
+[3]4*
\ No newline at end of file
diff --git a/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038 b/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038
new file mode 100644
index 0000000000..812293756d
--- /dev/null
+++ b/test/core/json/corpus/eb26070d17ffa908204912e75cb4313835042038
@@ -0,0 +1 @@
+["*]:Ã!{)¾?'ʳ³!!*!à):!*à:::\udbD8ˆ){Ã!:{!`!?`¾¾"(¡
\ No newline at end of file
diff --git a/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449 b/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449
new file mode 100644
index 0000000000..ee58b9086a
--- /dev/null
+++ b/test/core/json/corpus/ebc6aee49e5ae57722df86e7fa33c420f045a449
@@ -0,0 +1 @@
+03(
\ No newline at end of file
diff --git a/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0 b/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0
new file mode 100644
index 0000000000..90e536ec3f
--- /dev/null
+++ b/test/core/json/corpus/ed1dc11d713e7487de18ce8317b62916959206d0
@@ -0,0 +1 @@
+8324E6;)
\ No newline at end of file
diff --git a/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286 b/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286
new file mode 100644
index 0000000000..69cea590c2
--- /dev/null
+++ b/test/core/json/corpus/ede3f66106acd7796da8b3942d029fe213058286
@@ -0,0 +1 @@
+5834E0y);)ˆ	)!Ã
\ No newline at end of file
diff --git a/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a b/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a
new file mode 100644
index 0000000000..60f86bd1d3
--- /dev/null
+++ b/test/core/json/corpus/eed7bd220cd511b6d42ce6553019266a22a3d56a
@@ -0,0 +1 @@
+0,0	
\ No newline at end of file
diff --git a/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc b/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc
new file mode 100644
index 0000000000..24f98f2d5f
--- /dev/null
+++ b/test/core/json/corpus/f090932162756b798b1a050b05e3d36a3437c4fc
@@ -0,0 +1 @@
+367
\ No newline at end of file
diff --git a/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1 b/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1
new file mode 100644
index 0000000000..601a7b20af
--- /dev/null
+++ b/test/core/json/corpus/f1905eaa84ba6a3593ec6ac0486a5b42893c01f1
@@ -0,0 +1 @@
+50{:ˆ)!Ã"*¾?'ʳ³!!*!à):!*à::8!9:\udbD8ˆ)Ã!:{!`
\ No newline at end of file
diff --git a/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c b/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c
new file mode 100644
index 0000000000..30e0f2b2e8
--- /dev/null
+++ b/test/core/json/corpus/f4635fbbf765ead81a261ca152df02622e182d2c
@@ -0,0 +1 @@
+"19
\ No newline at end of file
diff --git a/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e b/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e
new file mode 100644
index 0000000000..8c0a186967
--- /dev/null
+++ b/test/core/json/corpus/f46eeb1020c7c4153e742a50bc24c2c6939dab1e
@@ -0,0 +1 @@
+363
diff --git a/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f b/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f
new file mode 100644
index 0000000000..b73c5ecd08
--- /dev/null
+++ b/test/core/json/corpus/f473451610783521d51bc08cdd920ddd97f8a71f
@@ -0,0 +1 @@
+{"*]:Ã!{)¾?'ʳ³ !*!à):!*à:::\udbD8\!)!{Ã:{!`!?`¾¾"(¡
\ No newline at end of file
diff --git a/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd b/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd
new file mode 100644
index 0000000000..4b681256fe
--- /dev/null
+++ b/test/core/json/corpus/f63aa599600f6e7d648c4287905e16e8e6e479fd
@@ -0,0 +1 @@
+"ˆÃ{)!:"])Ã!:{"*¾?'ʳ³!!*!à):!*à:::\¾;?'ʳud
\ No newline at end of file
diff --git a/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c b/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c
new file mode 100644
index 0000000000..b6dfbd5336
--- /dev/null
+++ b/test/core/json/corpus/f667dcf1c06e87db2dc49d86ea1c285e796f8f8c
@@ -0,0 +1 @@
+813e124280
\ No newline at end of file
diff --git a/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1 b/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1
new file mode 100644
index 0000000000..0c7f592376
--- /dev/null
+++ b/test/core/json/corpus/f8d0f85975e49b959799cc52847110cc940b9db1
@@ -0,0 +1 @@
+604
\ No newline at end of file
diff --git a/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb b/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb
new file mode 100644
index 0000000000..1444ba2be2
--- /dev/null
+++ b/test/core/json/corpus/f92c47e35da42d79a48beff54b93cd28f55f05fb
@@ -0,0 +1 @@
+1e9
\ No newline at end of file
diff --git a/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318 b/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318
new file mode 100644
index 0000000000..fbcb9dab0e
--- /dev/null
+++ b/test/core/json/corpus/f9a33bb8bd78d869fbafa402d9be58940ce2c318
@@ -0,0 +1 @@
+1E	"ˆÁ�960
\ No newline at end of file
diff --git a/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a b/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a
new file mode 100644
index 0000000000..d60f1d8b43
--- /dev/null
+++ b/test/core/json/corpus/fbf6f3156c1bd4bb701839bc0e26533bdccd1c9a
@@ -0,0 +1 @@
+0,fa%)
\ No newline at end of file
diff --git a/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057 b/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057
new file mode 100644
index 0000000000..abc4eff6ac
--- /dev/null
+++ b/test/core/json/corpus/fe2ef495a1152561572949784c16bf23abb28057
@@ -0,0 +1 @@
+46
\ No newline at end of file
diff --git a/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f b/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f
new file mode 100644
index 0000000000..301160a930
--- /dev/null
+++ b/test/core/json/corpus/fe5dbbcea5ce7e2988b8c69bcfdfde8904aabc1f
@@ -0,0 +1 @@
+8
\ No newline at end of file
diff --git a/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c b/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c
new file mode 100644
index 0000000000..9586ab9bcc
--- /dev/null
+++ b/test/core/json/corpus/ff8fb34603c7f772768d61504954553e6bed173c
@@ -0,0 +1 @@
+n'
\ No newline at end of file
diff --git a/test/core/json/corpus/test1.json b/test/core/json/corpus/test1.json
new file mode 100644
index 0000000000..2393cd01d4
--- /dev/null
+++ b/test/core/json/corpus/test1.json
@@ -0,0 +1 @@
+{"foo":"bar"}
diff --git a/test/core/json/corpus/test2.json b/test/core/json/corpus/test2.json
new file mode 100644
index 0000000000..810c96eeeb
--- /dev/null
+++ b/test/core/json/corpus/test2.json
@@ -0,0 +1 @@
+"foo"
diff --git a/test/core/json/corpus/test3.json b/test/core/json/corpus/test3.json
new file mode 100644
index 0000000000..8adb9bb604
--- /dev/null
+++ b/test/core/json/corpus/test3.json
@@ -0,0 +1 @@
+[1,2,3,4]
diff --git a/test/core/json/corpus/test4.json b/test/core/json/corpus/test4.json
new file mode 100644
index 0000000000..4c3fcf9ac7
--- /dev/null
+++ b/test/core/json/corpus/test4.json
@@ -0,0 +1 @@
+1e943923
diff --git a/test/core/json/corpus/test5.json b/test/core/json/corpus/test5.json
new file mode 100644
index 0000000000..03f1d792ec
--- /dev/null
+++ b/test/core/json/corpus/test5.json
@@ -0,0 +1 @@
+100000000000000000000000000000000000000000000000000000000000001
diff --git a/test/core/json/corpus/test6.json b/test/core/json/corpus/test6.json
new file mode 100644
index 0000000000..27ba77ddaf
--- /dev/null
+++ b/test/core/json/corpus/test6.json
@@ -0,0 +1 @@
+true
diff --git a/test/core/json/corpus/test7.json b/test/core/json/corpus/test7.json
new file mode 100644
index 0000000000..c508d5366f
--- /dev/null
+++ b/test/core/json/corpus/test7.json
@@ -0,0 +1 @@
+false
diff --git a/test/core/json/corpus/test8.json b/test/core/json/corpus/test8.json
new file mode 100644
index 0000000000..19765bd501
--- /dev/null
+++ b/test/core/json/corpus/test8.json
@@ -0,0 +1 @@
+null
diff --git a/test/core/json/corpus/test9.json b/test/core/json/corpus/test9.json
new file mode 100644
index 0000000000..affaba369a
--- /dev/null
+++ b/test/core/json/corpus/test9.json
@@ -0,0 +1 @@
+{"alpha":null,"beta":false,"gamma":2.3,"xyz":"abc","negative":-133}
diff --git a/test/core/json/fuzzer.c b/test/core/json/fuzzer.c
new file mode 100644
index 0000000000..044db973ab
--- /dev/null
+++ b/test/core/json/fuzzer.c
@@ -0,0 +1,87 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/json/json.h"
+
+static size_t g_total_size = 0;
+static gpr_allocation_functions g_old_allocs;
+
+void *guard_malloc(size_t size) {
+  size_t *ptr;
+  g_total_size += size;
+  ptr = g_old_allocs.malloc_fn(size + sizeof(size));
+  *ptr++ = size;
+  return ptr;
+}
+
+void *guard_realloc(void *vptr, size_t size) {
+  size_t *ptr = vptr;
+  --ptr;
+  g_total_size -= *ptr;
+  ptr = g_old_allocs.realloc_fn(ptr, size + sizeof(size));
+  g_total_size += size;
+  *ptr++ = size;
+  return ptr;
+}
+
+void guard_free(void *vptr) {
+  size_t *ptr = vptr;
+  --ptr;
+  g_total_size -= *ptr;
+  g_old_allocs.free_fn(ptr);
+}
+
+struct gpr_allocation_functions g_guard_allocs = {guard_malloc, guard_realloc,
+                                                  guard_free};
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  char *s;
+  g_old_allocs = gpr_get_allocation_functions();
+  gpr_set_allocation_functions(g_guard_allocs);
+  s = gpr_malloc(size);
+  memcpy(s, data, size);
+  grpc_json *x;
+  if ((x = grpc_json_parse_string_with_len(s, size))) {
+    grpc_json_destroy(x);
+  }
+  gpr_free(s);
+  gpr_set_allocation_functions(g_old_allocs);
+  GPR_ASSERT(g_total_size == 0);
+  return 0;
+}
diff --git a/test/core/json/json_rewrite.c b/test/core/json/json_rewrite.c
index 0c615a9975..c43c6e2589 100644
--- a/test/core/json/json_rewrite.c
+++ b/test/core/json/json_rewrite.c
@@ -38,8 +38,8 @@
 #include <grpc/support/cmdline.h>
 #include <grpc/support/log.h>
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 typedef struct json_writer_userdata { FILE *out; } json_writer_userdata;
 
diff --git a/test/core/json/json_rewrite_test.c b/test/core/json/json_rewrite_test.c
index d99cb0dd03..cf42670337 100644
--- a/test/core/json/json_rewrite_test.c
+++ b/test/core/json/json_rewrite_test.c
@@ -35,12 +35,12 @@
 #include <stdlib.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 typedef struct json_writer_userdata { FILE *cmp; } json_writer_userdata;
 
diff --git a/test/core/json/json_stream_error_test.c b/test/core/json/json_stream_error_test.c
index 400776759d..82b9bd96d3 100644
--- a/test/core/json/json_stream_error_test.c
+++ b/test/core/json/json_stream_error_test.c
@@ -35,12 +35,12 @@
 #include <stdlib.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/json/json_reader.h"
-#include "src/core/json/json_writer.h"
+#include "src/core/lib/json/json_reader.h"
+#include "src/core/lib/json/json_writer.h"
 
 static int g_string_clear_once = 0;
 
diff --git a/test/core/json/json_test.c b/test/core/json/json_test.c
index 5add80d753..ac1abbd8f3 100644
--- a/test/core/json/json_test.c
+++ b/test/core/json/json_test.c
@@ -34,11 +34,11 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
-#include "src/core/json/json.h"
-#include "src/core/support/string.h"
+#include <grpc/support/useful.h>
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/support/string.h"
 
 #include "test/core/util/test_config.h"
 
@@ -64,9 +64,10 @@ static testing_pair testing_pairs[] = {
     /* Testing UTF-8 character "�", U+11D1E. */
     {"\"\xf0\x9d\x84\x9e\"", "\"\\ud834\\udd1e\""},
     {"\"\\ud834\\udd1e\"", "\"\\ud834\\udd1e\""},
+    {"{\"\\ud834\\udd1e\":0}", "{\"\\ud834\\udd1e\":0}"},
     /* Testing nested empty containers. */
     {
-     " [ [ ] , { } , [ ] ] ", "[[],{},[]]",
+        " [ [ ] , { } , [ ] ] ", "[[],{},[]]",
     },
     /* Testing escapes and control chars in key strings. */
     {" { \"\\u007f\x7f\\n\\r\\\"\\f\\b\\\\a , b\": 1, \"\": 0 } ",
@@ -85,20 +86,33 @@ static testing_pair testing_pairs[] = {
     /* Testing plain invalid things, exercising the state machine. */
     {"\\", NULL},
     {"nu ll", NULL},
+    {"{\"foo\": bar}", NULL},
+    {"{\"foo\": bar\"x\"}", NULL},
     {"fals", NULL},
+    {"0,0 ", NULL},
+    {"\"foo\",[]", NULL},
     /* Testing unterminated string. */
     {"\"\\x", NULL},
     /* Testing invalid UTF-16 number. */
     {"\"\\u123x", NULL},
+    {"{\"\\u123x", NULL},
     /* Testing imbalanced surrogate pairs. */
     {"\"\\ud834f", NULL},
+    {"{\"\\ud834f\":0}", NULL},
     {"\"\\ud834\\n", NULL},
+    {"{\"\\ud834\\n\":0}", NULL},
     {"\"\\udd1ef", NULL},
+    {"{\"\\udd1ef\":0}", NULL},
     {"\"\\ud834\\ud834\"", NULL},
+    {"{\"\\ud834\\ud834\"\":0}", NULL},
     {"\"\\ud834\\u1234\"", NULL},
+    {"{\"\\ud834\\u1234\"\":0}", NULL},
     {"\"\\ud834]\"", NULL},
+    {"{\"\\ud834]\"\":0}", NULL},
     {"\"\\ud834 \"", NULL},
+    {"{\"\\ud834 \"\":0}", NULL},
     {"\"\\ud834\\\\\"", NULL},
+    {"{\"\\ud834\\\\\"\":0}", NULL},
     /* Testing embedded invalid whitechars. */
     {"\"\n\"", NULL},
     {"\"\t\"", NULL},
diff --git a/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110 b/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110
new file mode 100644
index 0000000000..2b5fc999d8
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110
diff --git a/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540 b/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540
new file mode 100644
index 0000000000..85366bee0a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540
@@ -0,0 +1 @@
+½“
½“2ƒ;΃;Î)±%Ì))±%Ì)::
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be b/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be
new file mode 100644
index 0000000000..74921b2170
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be
diff --git a/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897 b/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897
new file mode 100644
index 0000000000..4b7de2e473
--- /dev/null
+++ b/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897
@@ -0,0 +1 @@
+(z%;:8!(¼;ªo!>::†©;=È(	);�;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa b/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa
new file mode 100644
index 0000000000..5a077927d9
--- /dev/null
+++ b/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa
@@ -0,0 +1 @@
+(z%;:8!(¼;ª!>::†©;=È(	);�;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513 b/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513
new file mode 100644
index 0000000000..e9db64ba0b
--- /dev/null
+++ b/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513
diff --git a/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956 b/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956
new file mode 100644
index 0000000000..da1306ddd6
--- /dev/null
+++ b/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956
diff --git a/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40 b/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40
new file mode 100644
index 0000000000..f46d387bf9
--- /dev/null
+++ b/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40
@@ -0,0 +1 @@
+(
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc b/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc
new file mode 100644
index 0000000000..7ea0b41123
--- /dev/null
+++ b/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc
diff --git a/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1 b/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1
new file mode 100644
index 0000000000..cd74051c52
--- /dev/null
+++ b/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1
@@ -0,0 +1 @@
+):):\bJ'
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033 b/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033
new file mode 100644
index 0000000000..a7571c0e84
--- /dev/null
+++ b/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033
diff --git a/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2 b/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2
new file mode 100644
index 0000000000..9ca38b3256
--- /dev/null
+++ b/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2
diff --git a/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac b/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac
new file mode 100644
index 0000000000..9320a7a95d
--- /dev/null
+++ b/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac
@@ -0,0 +1 @@
+ž½“ƒÎ)±Ì)::\!;):bJ):'\éb*
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0 b/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0
new file mode 100644
index 0000000000..725e601a5b
--- /dev/null
+++ b/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0
diff --git a/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41 b/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41
new file mode 100644
index 0000000000..b42661c56c
--- /dev/null
+++ b/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41
diff --git a/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd b/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd
new file mode 100644
index 0000000000..4a551cf6de
--- /dev/null
+++ b/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd
@@ -0,0 +1 @@
+(z!;:8!(¼;ªo!>::†©;=È(	);�ö;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb b/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb
new file mode 100644
index 0000000000..d99c09f882
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb
@@ -0,0 +1 @@
+(z%;28!(¼;ª!*>::†(z%;28!(¼;ª!>::†ùâåò©
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60 b/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60
new file mode 100644
index 0000000000..86181941cb
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60
diff --git a/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de b/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de
new file mode 100644
index 0000000000..59a8026f2a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de
diff --git a/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c b/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c
new file mode 100644
index 0000000000..3d44fadc61
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c
@@ -0,0 +1 @@
+a¶(6)!á•(	!!)b:'Ü:*¤();Ì0�();)Ï(|)ÿ!V)'*¡!t<b߶…*!(b*()(:dVj)
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42 b/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42
new file mode 100644
index 0000000000..2489cb7ba3
--- /dev/null
+++ b/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42
diff --git a/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d b/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d
new file mode 100644
index 0000000000..d2fb75ced5
--- /dev/null
+++ b/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d
diff --git a/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986 b/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986
new file mode 100644
index 0000000000..0ba194a3ca
--- /dev/null
+++ b/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986
@@ -0,0 +1 @@
+
½™'Ì)%±ƒ™Þ):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355 b/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355
new file mode 100644
index 0000000000..98da1dd4ee
--- /dev/null
+++ b/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355
@@ -0,0 +1 @@
+
½™'ƒÎ)±%Ì):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa b/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa
new file mode 100644
index 0000000000..193b899d2d
--- /dev/null
+++ b/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa
diff --git a/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2 b/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2
new file mode 100644
index 0000000000..8387eab9b4
--- /dev/null
+++ b/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2
@@ -0,0 +1 @@
+½¤
½“ž½“ƒÎ½ƒ);Î)±
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016 b/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016
new file mode 100644
index 0000000000..9c5c365715
--- /dev/null
+++ b/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016
@@ -0,0 +1 @@
+
½“ž½“ƒÎ)ƒ;Î)±%Ì):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/7b4b0c2555178333ba15203a930c88ef7e7500e7 b/test/core/nanopb/corpus_response/7b4b0c2555178333ba15203a930c88ef7e7500e7
new file mode 100644
index 0000000000..b14d25a88d
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7b4b0c2555178333ba15203a930c88ef7e7500e7
diff --git a/test/core/nanopb/corpus_response/7b8a91aa46e370eb61307b4998889dc89775462f b/test/core/nanopb/corpus_response/7b8a91aa46e370eb61307b4998889dc89775462f
new file mode 100644
index 0000000000..4061b65d96
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7b8a91aa46e370eb61307b4998889dc89775462f
@@ -0,0 +1 @@
+
	:)½:
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/7cd11836c64f98742fa7beccec5c981ef4dd62ae b/test/core/nanopb/corpus_response/7cd11836c64f98742fa7beccec5c981ef4dd62ae
new file mode 100644
index 0000000000..86fd08f413
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7cd11836c64f98742fa7beccec5c981ef4dd62ae
diff --git a/test/core/nanopb/corpus_response/7d8f4f045e70e8a2cb45dc3c001504f5c2614b16 b/test/core/nanopb/corpus_response/7d8f4f045e70e8a2cb45dc3c001504f5c2614b16
new file mode 100644
index 0000000000..dd8d136cb1
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7d8f4f045e70e8a2cb45dc3c001504f5c2614b16
diff --git a/test/core/nanopb/corpus_response/7e9848558fb004e14795b3ebd3e1488dcde1db8c b/test/core/nanopb/corpus_response/7e9848558fb004e14795b3ebd3e1488dcde1db8c
new file mode 100644
index 0000000000..be0dfcadd0
--- /dev/null
+++ b/test/core/nanopb/corpus_response/7e9848558fb004e14795b3ebd3e1488dcde1db8c
@@ -0,0 +1 @@
+ùâåò!Ù.!Nñrª:U:(œ;!á)*(¾):!'i)b):þ°)'!P!:'á•***!)H:*)(àñÍ*
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/89734c37ee267e69a6950c6d60ee541c1be5ccff b/test/core/nanopb/corpus_response/89734c37ee267e69a6950c6d60ee541c1be5ccff
new file mode 100644
index 0000000000..023ef36861
--- /dev/null
+++ b/test/core/nanopb/corpus_response/89734c37ee267e69a6950c6d60ee541c1be5ccff
diff --git a/test/core/nanopb/corpus_response/9034aaf45143996a2b14465c352ab0c6fa26b221 b/test/core/nanopb/corpus_response/9034aaf45143996a2b14465c352ab0c6fa26b221
new file mode 100644
index 0000000000..9c95a6ba6a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/9034aaf45143996a2b14465c352ab0c6fa26b221
@@ -0,0 +1 @@
+½
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/91e3b6a3484ab4b95cdeecc5aefe1291824060e8 b/test/core/nanopb/corpus_response/91e3b6a3484ab4b95cdeecc5aefe1291824060e8
new file mode 100644
index 0000000000..8d735ea33c
--- /dev/null
+++ b/test/core/nanopb/corpus_response/91e3b6a3484ab4b95cdeecc5aefe1291824060e8
@@ -0,0 +1 @@
+m!''÷:)ˆ');:Q(*á'!!m!Í
()!;e''÷:
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/95cd94c858e5e97f7df4a5eb7552e5e0d5ce1ec4 b/test/core/nanopb/corpus_response/95cd94c858e5e97f7df4a5eb7552e5e0d5ce1ec4
new file mode 100644
index 0000000000..df2d8194d1
--- /dev/null
+++ b/test/core/nanopb/corpus_response/95cd94c858e5e97f7df4a5eb7552e5e0d5ce1ec4
@@ -0,0 +1 @@
+	
:)½:
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/971f42d5a4d9816145ebc9dd28ba33ed3f5860b0 b/test/core/nanopb/corpus_response/971f42d5a4d9816145ebc9dd28ba33ed3f5860b0
new file mode 100644
index 0000000000..edd078a94e
--- /dev/null
+++ b/test/core/nanopb/corpus_response/971f42d5a4d9816145ebc9dd28ba33ed3f5860b0
diff --git a/test/core/nanopb/corpus_response/9db3a1854de87fd643b910aeab50553afc73e667 b/test/core/nanopb/corpus_response/9db3a1854de87fd643b910aeab50553afc73e667
new file mode 100644
index 0000000000..7cbc8b771a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/9db3a1854de87fd643b910aeab50553afc73e667
diff --git a/test/core/nanopb/corpus_response/a147873135c6c52d4da03c260a0165bc0ab1b979 b/test/core/nanopb/corpus_response/a147873135c6c52d4da03c260a0165bc0ab1b979
new file mode 100644
index 0000000000..2f0a565bc3
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a147873135c6c52d4da03c260a0165bc0ab1b979
diff --git a/test/core/nanopb/corpus_response/a710eead945dabbbffa213a980c75f9463a27398 b/test/core/nanopb/corpus_response/a710eead945dabbbffa213a980c75f9463a27398
new file mode 100644
index 0000000000..3bc30a1f9c
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a710eead945dabbbffa213a980c75f9463a27398
@@ -0,0 +1 @@
+
½“ƒ;Î)±%Ì):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/a72406e3ca06d941fe8e168bbf67da88a81c947b b/test/core/nanopb/corpus_response/a72406e3ca06d941fe8e168bbf67da88a81c947b
new file mode 100644
index 0000000000..811a33df5b
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a72406e3ca06d941fe8e168bbf67da88a81c947b
@@ -0,0 +1 @@
+
¼™'Ì)%±ƒ™Þ½)“
½“2ƒ;΃;Î)±%Ì):)
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/a8a62a7ebb7d68b211ae319e082575935c07d188 b/test/core/nanopb/corpus_response/a8a62a7ebb7d68b211ae319e082575935c07d188
new file mode 100644
index 0000000000..7712307a3a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a8a62a7ebb7d68b211ae319e082575935c07d188
diff --git a/test/core/nanopb/corpus_response/a8abd012eb59b862bf9bc1ea443d2f35a1a2e222 b/test/core/nanopb/corpus_response/a8abd012eb59b862bf9bc1ea443d2f35a1a2e222
new file mode 100644
index 0000000000..3f1695f161
--- /dev/null
+++ b/test/core/nanopb/corpus_response/a8abd012eb59b862bf9bc1ea443d2f35a1a2e222
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/aab56035a3533b5d83a32a439f179eb678250113 b/test/core/nanopb/corpus_response/aab56035a3533b5d83a32a439f179eb678250113
new file mode 100644
index 0000000000..c9f9b4dac2
--- /dev/null
+++ b/test/core/nanopb/corpus_response/aab56035a3533b5d83a32a439f179eb678250113
diff --git a/test/core/nanopb/corpus_response/ac174acef2c5da26fadc7270bab9c8c4e938c463 b/test/core/nanopb/corpus_response/ac174acef2c5da26fadc7270bab9c8c4e938c463
new file mode 100644
index 0000000000..a929daa987
--- /dev/null
+++ b/test/core/nanopb/corpus_response/ac174acef2c5da26fadc7270bab9c8c4e938c463
@@ -0,0 +1 @@
+z(!;:8!(¼;ªo!>::†©;=È(	);�ö;!ÞØ*:):B(r''' *Eàhþ;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/acbbd60eeb76e41ce254d0fef353b92abe69c831 b/test/core/nanopb/corpus_response/acbbd60eeb76e41ce254d0fef353b92abe69c831
new file mode 100644
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+²Á²’²
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad b/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad
new file mode 100644
index 0000000000..10b6509813
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad
diff --git a/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd b/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd
new file mode 100644
index 0000000000..9f4d9356f4
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd
@@ -0,0 +1,2 @@
+Ų;IJ
+UUú‰™(		MÁ²²²²;²²UW
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583 b/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583
new file mode 100644
index 0000000000..3085daf738
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583
@@ -0,0 +1 @@
+)*!B!Óà@'))ò);'Ç“¢ƒ§à:E:@sD'tÂ'–!();!­	''³(N);)&
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab b/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab
new file mode 100644
index 0000000000..1f4ca9584c
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab
@@ -0,0 +1,3 @@
+!¼;@oCÙ'–((!*Ú*'‚'*')
+!*š;!x!(*:)ÞNË):y
+œ“)I;ô9;()”o:;¨'¨*(;
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927 b/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927
new file mode 100644
index 0000000000..a8a1af8075
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927
@@ -0,0 +1 @@
+ŲU
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff b/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff
new file mode 100644
index 0000000000..681ba0ab80
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff
@@ -0,0 +1 @@
+	�
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0 b/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0
new file mode 100644
index 0000000000..fde58537b0
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0
@@ -0,0 +1 @@
+!)fBB!(@)ò	Z!!'!*M)!:“(ó'ØH(ã‰T('¯Ò'û);<''šŸÐ*“¢ƒÿ§'à
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e b/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e
new file mode 100644
index 0000000000..690c0a1dda
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e
@@ -0,0 +1,2 @@
+!
+)fBB!(@)ò	'Z!!Î!*M)!:“(ó'ØHã(‰T('¯Ò'û);<'šŸÐ*“<ƒÿ§'à
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd b/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd
new file mode 100644
index 0000000000..adbe858903
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd
@@ -0,0 +1 @@
+È;2È;ò•òÈ;ò2
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3 b/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3
new file mode 100644
index 0000000000..83c20eec29
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3
@@ -0,0 +1,3 @@
+!¼;@oCÙ'–((!*Ú*''*'	!
+(š;!x!(*:)ÞNË):y
+œ“)I?ô)):(”o:;©'(*(;
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f b/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f
new file mode 100644
index 0000000000..4975d72864
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f
diff --git a/test/core/nanopb/fuzzer_response.c b/test/core/nanopb/fuzzer_response.c
new file mode 100644
index 0000000000..b4e386020a
--- /dev/null
+++ b/test/core/nanopb/fuzzer_response.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_grpclb_response *response;
+  if ((response = grpc_grpclb_response_parse(slice))) {
+    grpc_grpclb_response_destroy(response);
+  }
+  gpr_slice_unref(slice);
+  return 0;
+}
diff --git a/test/core/nanopb/fuzzer_serverlist.c b/test/core/nanopb/fuzzer_serverlist.c
new file mode 100644
index 0000000000..d4ec74f0e7
--- /dev/null
+++ b/test/core/nanopb/fuzzer_serverlist.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_grpclb_serverlist *serverlist;
+  if ((serverlist = grpc_grpclb_response_parse_serverlist(slice))) {
+    grpc_grpclb_destroy_serverlist(serverlist);
+  }
+  gpr_slice_unref(slice);
+  return 0;
+}
diff --git a/test/core/network_benchmarks/low_level_ping_pong.c b/test/core/network_benchmarks/low_level_ping_pong.c
index dd1544c27b..ac5ee72daa 100644
--- a/test/core/network_benchmarks/low_level_ping_pong.c
+++ b/test/core/network_benchmarks/low_level_ping_pong.c
@@ -49,13 +49,13 @@
 #endif
 #include <sys/socket.h>
 
-#include "src/core/iomgr/socket_utils_posix.h"
 #include <grpc/support/cmdline.h>
 #include <grpc/support/histogram.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/socket_utils_posix.h"
 
 typedef struct fd_pair {
   int read_fd;
diff --git a/test/core/profiling/timers_test.c b/test/core/profiling/timers_test.c
index 7070fe465f..284589af1e 100644
--- a/test/core/profiling/timers_test.c
+++ b/test/core/profiling/timers_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/profiling/timers.h"
+#include "src/core/lib/profiling/timers.h"
 #include <stdlib.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/security/auth_context_test.c b/test/core/security/auth_context_test.c
index d091c7e7e6..d1ead16235 100644
--- a/test/core/security/auth_context_test.c
+++ b/test/core/security/auth_context_test.c
@@ -33,8 +33,8 @@
 
 #include <string.h>
 
-#include "src/core/security/security_context.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #include <grpc/support/log.h>
diff --git a/test/core/security/base64_test.c b/test/core/security/b64_test.c
index e656d4c947..cea870321d 100644
--- a/test/core/security/base64_test.c
+++ b/test/core/security/b64_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/security/base64.h"
+#include "src/core/lib/security/b64.h"
 
 #include <string.h>
 
diff --git a/test/core/security/create_jwt.c b/test/core/security/create_jwt.c
index 237dc9aa3e..6d4707f3c7 100644
--- a/test/core/security/create_jwt.c
+++ b/test/core/security/create_jwt.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,9 +34,9 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/security/json_token.h"
-#include "src/core/support/file.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/json_token.h"
+#include "src/core/lib/support/load_file.h"
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/cmdline.h>
diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index 8a210bb3c3..7867293278 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,25 +32,24 @@
  */
 
 #include <grpc/support/port_platform.h>
-#include "src/core/security/credentials.h"
 
+#include "src/core/lib/security/credentials.h"
+
+#include <openssl/rsa.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/json_token.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
-
-#include "test/core/util/test_config.h"
-
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include <openssl/rsa.h>
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/security/json_token.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
+#include "test/core/util/test_config.h"
 
 /* -- Mock channel credentials. -- */
 
@@ -537,12 +536,12 @@ static void validate_compute_engine_http_request(
   GPR_ASSERT(request->handshaker != &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "metadata") == 0);
   GPR_ASSERT(
-      strcmp(request->path,
+      strcmp(request->http.path,
              "/computeMetadata/v1/instance/service-accounts/default/token") ==
       0);
-  GPR_ASSERT(request->hdr_count == 1);
-  GPR_ASSERT(strcmp(request->hdrs[0].key, "Metadata-Flavor") == 0);
-  GPR_ASSERT(strcmp(request->hdrs[0].value, "Google") == 0);
+  GPR_ASSERT(request->http.hdr_count == 1);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Metadata-Flavor") == 0);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].value, "Google") == 0);
 }
 
 static int compute_engine_httpcli_get_success_override(
@@ -640,11 +639,12 @@ static void validate_refresh_token_http_request(
   gpr_free(expected_body);
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, GRPC_GOOGLE_OAUTH2_SERVICE_HOST) == 0);
-  GPR_ASSERT(strcmp(request->path, GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH) == 0);
-  GPR_ASSERT(request->hdr_count == 1);
-  GPR_ASSERT(strcmp(request->hdrs[0].key, "Content-Type") == 0);
   GPR_ASSERT(
-      strcmp(request->hdrs[0].value, "application/x-www-form-urlencoded") == 0);
+      strcmp(request->http.path, GRPC_GOOGLE_OAUTH2_SERVICE_TOKEN_PATH) == 0);
+  GPR_ASSERT(request->http.hdr_count == 1);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].key, "Content-Type") == 0);
+  GPR_ASSERT(strcmp(request->http.hdrs[0].value,
+                    "application/x-www-form-urlencoded") == 0);
 }
 
 static int refresh_token_httpcli_post_success(
@@ -899,12 +899,12 @@ static int default_creds_gce_detection_httpcli_get_success_override(
     gpr_timespec deadline, grpc_httpcli_response_cb on_response,
     void *user_data) {
   grpc_httpcli_response response = http_response(200, "");
-  grpc_httpcli_header header;
+  grpc_http_header header;
   header.key = "Metadata-Flavor";
   header.value = "Google";
   response.hdr_count = 1;
   response.hdrs = &header;
-  GPR_ASSERT(strcmp(request->path, "/") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/") == 0);
   GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
   on_response(exec_ctx, user_data, &response);
   return 1;
@@ -962,7 +962,7 @@ static int default_creds_gce_detection_httpcli_get_failure_override(
     void *user_data) {
   /* No magic header. */
   grpc_httpcli_response response = http_response(200, "");
-  GPR_ASSERT(strcmp(request->path, "/") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/") == 0);
   GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
   on_response(exec_ctx, user_data, &response);
   return 1;
diff --git a/test/core/security/fetch_oauth2.c b/test/core/security/fetch_oauth2.c
index ee1178cbdd..bd314e90d8 100644
--- a/test/core/security/fetch_oauth2.c
+++ b/test/core/security/fetch_oauth2.c
@@ -42,8 +42,8 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/support/file.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/load_file.h"
 #include "test/core/security/oauth2_utils.h"
 
 static grpc_call_credentials *create_refresh_token_creds(
diff --git a/test/core/security/json_token_test.c b/test/core/security/json_token_test.c
index 7c01a9ce5c..3aee52ee5c 100644
--- a/test/core/security/json_token_test.c
+++ b/test/core/security/json_token_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,19 @@
  *
  */
 
-#include "src/core/security/json_token.h"
+#include "src/core/lib/security/json_token.h"
 
+#include <openssl/evp.h>
 #include <string.h>
 
-#include "src/core/security/base64.h"
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
+
+#include "src/core/lib/json/json.h"
+#include "src/core/lib/security/b64.h"
 #include "test/core/util/test_config.h"
-#include "src/core/json/json.h"
-#include <openssl/evp.h>
 
 /* This JSON key was generated with the GCE console and revoked immediately.
    The identifiers have been changed as well.
diff --git a/test/core/security/jwt_verifier_test.c b/test/core/security/jwt_verifier_test.c
index f396398cef..077f44d1d6 100644
--- a/test/core/security/jwt_verifier_test.c
+++ b/test/core/security/jwt_verifier_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,20 +31,22 @@
  *
  */
 
-#include "src/core/security/jwt_verifier.h"
+#include "src/core/lib/security/jwt_verifier.h"
 
 #include <string.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/security/base64.h"
-#include "src/core/security/json_token.h"
-#include "test/core/util/test_config.h"
+#include <grpc/grpc.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/string_util.h>
 
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/security/b64.h"
+#include "src/core/lib/security/json_token.h"
+#include "test/core/util/test_config.h"
+
 /* This JSON key was generated with the GCE console and revoked immediately.
    The identifiers have been changed as well.
    Maximum size for a string literal is 509 chars in C89, yay!  */
@@ -288,7 +290,7 @@ static int httpcli_get_google_keys_for_email(
   grpc_httpcli_response response = http_response(200, good_google_email_keys());
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
-  GPR_ASSERT(strcmp(request->path,
+  GPR_ASSERT(strcmp(request->http.path,
                     "/robot/v1/metadata/x509/"
                     "777-abaslkan11hlb6nmim3bpspl31ud@developer."
                     "gserviceaccount.com") == 0);
@@ -336,7 +338,7 @@ static int httpcli_get_custom_keys_for_email(
   grpc_httpcli_response response = http_response(200, gpr_strdup(good_jwk_set));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "keys.bar.com") == 0);
-  GPR_ASSERT(strcmp(request->path, "/jwk/foo@bar.com") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/jwk/foo@bar.com") == 0);
   on_response(exec_ctx, user_data, &response);
   gpr_free(response.body);
   return 1;
@@ -372,7 +374,7 @@ static int httpcli_get_jwk_set(grpc_exec_ctx *exec_ctx,
   grpc_httpcli_response response = http_response(200, gpr_strdup(good_jwk_set));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
-  GPR_ASSERT(strcmp(request->path, "/oauth2/v3/certs") == 0);
+  GPR_ASSERT(strcmp(request->http.path, "/oauth2/v3/certs") == 0);
   on_response(exec_ctx, user_data, &response);
   gpr_free(response.body);
   return 1;
@@ -387,7 +389,7 @@ static int httpcli_get_openid_config(grpc_exec_ctx *exec_ctx,
       http_response(200, gpr_strdup(good_openid_config));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "accounts.google.com") == 0);
-  GPR_ASSERT(strcmp(request->path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0);
+  GPR_ASSERT(strcmp(request->http.path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0);
   grpc_httpcli_set_override(httpcli_get_jwk_set,
                             httpcli_post_should_not_be_called);
   on_response(exec_ctx, user_data, &response);
@@ -568,6 +570,7 @@ static void test_jwt_verifier_bad_format(void) {
 
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_claims_success();
   test_expired_claims_failure();
   test_invalid_claims_failure();
@@ -579,5 +582,6 @@ int main(int argc, char **argv) {
   test_jwt_verifier_bad_json_key();
   test_jwt_verifier_bad_signature();
   test_jwt_verifier_bad_format();
+  grpc_shutdown();
   return 0;
 }
diff --git a/test/core/security/oauth2_utils.c b/test/core/security/oauth2_utils.c
index 55ac31e62c..20815d184c 100644
--- a/test/core/security/oauth2_utils.c
+++ b/test/core/security/oauth2_utils.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,10 +42,11 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 typedef struct {
-  grpc_pollset pollset;
+  gpr_mu *mu;
+  grpc_pollset *pollset;
   int is_done;
   char *token;
 } oauth2_request;
@@ -66,11 +67,11 @@ static void on_oauth2_response(grpc_exec_ctx *exec_ctx, void *user_data,
            GPR_SLICE_LENGTH(token_slice));
     token[GPR_SLICE_LENGTH(token_slice)] = '\0';
   }
-  gpr_mu_lock(GRPC_POLLSET_MU(&request->pollset));
+  gpr_mu_lock(request->mu);
   request->is_done = 1;
   request->token = token;
-  grpc_pollset_kick(&request->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&request->pollset));
+  grpc_pollset_kick(request->pollset, NULL);
+  gpr_mu_unlock(request->mu);
 }
 
 static void do_nothing(grpc_exec_ctx *exec_ctx, void *unused, bool success) {}
@@ -82,28 +83,30 @@ char *grpc_test_fetch_oauth2_token_with_credentials(
   grpc_closure do_nothing_closure;
   grpc_auth_metadata_context null_ctx = {"", "", NULL, NULL};
 
-  grpc_pollset_init(&request.pollset);
+  request.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(request.pollset, &request.mu);
   request.is_done = 0;
 
   grpc_closure_init(&do_nothing_closure, do_nothing, NULL);
 
-  grpc_call_credentials_get_request_metadata(&exec_ctx, creds, &request.pollset,
+  grpc_call_credentials_get_request_metadata(&exec_ctx, creds, request.pollset,
                                              null_ctx, on_oauth2_response,
                                              &request);
 
   grpc_exec_ctx_finish(&exec_ctx);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&request.pollset));
+  gpr_mu_lock(request.mu);
   while (!request.is_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &request.pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, request.pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&request.pollset));
+  gpr_mu_unlock(request.mu);
 
-  grpc_pollset_shutdown(&exec_ctx, &request.pollset, &do_nothing_closure);
+  grpc_pollset_shutdown(&exec_ctx, request.pollset, &do_nothing_closure);
   grpc_exec_ctx_finish(&exec_ctx);
-  grpc_pollset_destroy(&request.pollset);
+  grpc_pollset_destroy(request.pollset);
+  gpr_free(request.pollset);
   return request.token;
 }
diff --git a/test/core/security/oauth2_utils.h b/test/core/security/oauth2_utils.h
index b35fe7987f..eff98270c8 100644
--- a/test/core/security/oauth2_utils.h
+++ b/test/core/security/oauth2_utils.h
@@ -34,7 +34,7 @@
 #ifndef GRPC_TEST_CORE_SECURITY_OAUTH2_UTILS_H
 #define GRPC_TEST_CORE_SECURITY_OAUTH2_UTILS_H
 
-#include "src/core/security/credentials.h"
+#include "src/core/lib/security/credentials.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/test/core/security/print_google_default_creds_token.c b/test/core/security/print_google_default_creds_token.c
index 50fe61c996..99bce4fbdf 100644
--- a/test/core/security/print_google_default_creds_token.c
+++ b/test/core/security/print_google_default_creds_token.c
@@ -34,8 +34,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/credentials.h"
-#include "src/core/support/string.h"
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
@@ -44,8 +42,12 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/support/string.h"
+
 typedef struct {
-  grpc_pollset pollset;
+  gpr_mu *mu;
+  grpc_pollset *pollset;
   int is_done;
 } synchronizer;
 
@@ -62,10 +64,10 @@ static void on_metadata_response(grpc_exec_ctx *exec_ctx, void *user_data,
     printf("\nGot token: %s\n\n", token);
     gpr_free(token);
   }
-  gpr_mu_lock(GRPC_POLLSET_MU(&sync->pollset));
+  gpr_mu_lock(sync->mu);
   sync->is_done = 1;
-  grpc_pollset_kick(&sync->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&sync->pollset));
+  grpc_pollset_kick(sync->pollset, NULL);
+  gpr_mu_unlock(sync->mu);
 }
 
 int main(int argc, char **argv) {
@@ -91,26 +93,30 @@ int main(int argc, char **argv) {
     goto end;
   }
 
-  grpc_pollset_init(&sync.pollset);
+  sync.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(sync.pollset, &sync.mu);
   sync.is_done = 0;
 
   grpc_call_credentials_get_request_metadata(
       &exec_ctx, ((grpc_composite_channel_credentials *)creds)->call_creds,
-      &sync.pollset, context, on_metadata_response, &sync);
+      sync.pollset, context, on_metadata_response, &sync);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+  gpr_mu_lock(sync.mu);
   while (!sync.is_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &sync.pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, sync.pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
-    grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+    gpr_mu_unlock(sync.mu);
+    grpc_exec_ctx_flush(&exec_ctx);
+    gpr_mu_lock(sync.mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
+  gpr_mu_unlock(sync.mu);
+
+  grpc_exec_ctx_finish(&exec_ctx);
 
   grpc_channel_credentials_release(creds);
+  gpr_free(sync.pollset);
 
 end:
   gpr_cmdline_destroy(cl);
diff --git a/test/core/security/secure_endpoint_test.c b/test/core/security/secure_endpoint_test.c
index fb4bd30e2d..aeaf38209b 100644
--- a/test/core/security/secure_endpoint_test.c
+++ b/test/core/security/secure_endpoint_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,16 +36,17 @@
 #include <fcntl.h>
 #include <sys/types.h>
 
-#include "src/core/security/secure_endpoint.h"
-#include "src/core/iomgr/endpoint_pair.h"
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/security/secure_endpoint.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
 #include "test/core/util/test_config.h"
-#include "src/core/tsi/fake_transport_security.h"
 
-static grpc_pollset g_pollset;
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
 
 static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
     size_t slice_size, gpr_slice *leftover_slices, size_t leftover_nslices) {
@@ -56,8 +57,8 @@ static grpc_endpoint_test_fixture secure_endpoint_create_fixture_tcp_socketpair(
   grpc_endpoint_pair tcp;
 
   tcp = grpc_iomgr_create_endpoint_pair("fixture", slice_size);
-  grpc_endpoint_add_to_pollset(&exec_ctx, tcp.client, &g_pollset);
-  grpc_endpoint_add_to_pollset(&exec_ctx, tcp.server, &g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, tcp.client, g_pollset);
+  grpc_endpoint_add_to_pollset(&exec_ctx, tcp.server, g_pollset);
 
   if (leftover_nslices == 0) {
     f.client_ep =
@@ -181,13 +182,16 @@ int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
 
   grpc_init();
-  grpc_pollset_init(&g_pollset);
-  grpc_endpoint_tests(configs[0], &g_pollset);
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
+  grpc_endpoint_tests(configs[0], g_pollset, g_mu);
   test_leftover(configs[1], 1);
-  grpc_closure_init(&destroyed, destroy_pollset, &g_pollset);
-  grpc_pollset_shutdown(&exec_ctx, &g_pollset, &destroyed);
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
   grpc_shutdown();
 
+  gpr_free(g_pollset);
+
   return 0;
 }
diff --git a/test/core/security/security_connector_test.c b/test/core/security/security_connector_test.c
index ee5435f01d..1a4e64b30c 100644
--- a/test/core/security/security_connector_test.c
+++ b/test/core/security/security_connector_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,22 +34,21 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/security_connector.h"
-#include "src/core/security/security_context.h"
-#include "src/core/support/env.h"
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
-#include "src/core/tsi/ssl_transport_security.h"
-#include "src/core/tsi/transport_security.h"
-#include "test/core/util/test_config.h"
-
 #include <grpc/grpc_security.h>
-
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/security/security_context.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
+#include "test/core/util/test_config.h"
+
 static int check_transport_security_type(const grpc_auth_context *ctx) {
   grpc_auth_property_iterator it = grpc_auth_context_find_properties_by_name(
       ctx, GRPC_TRANSPORT_SECURITY_TYPE_PROPERTY_NAME);
@@ -81,13 +80,14 @@ static int check_peer_property(const tsi_peer *peer,
 
 static int check_ssl_peer_equivalence(const tsi_peer *original,
                                       const tsi_peer *reconstructed) {
-  /* The reconstructed peer only has CN and SAN properties. */
+  /* The reconstructed peer only has CN, SAN and pem cert properties. */
   size_t i;
   for (i = 0; i < original->property_count; i++) {
     const tsi_peer_property *prop = &original->properties[i];
     if ((strcmp(prop->name, TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY) == 0) ||
         (strcmp(prop->name, TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY) ==
-         0)) {
+         0) ||
+        (strcmp(prop->name, TSI_X509_PEM_CERT_PROPERTY) == 0)) {
       if (!check_peer_property(reconstructed, prop)) return 0;
     }
   }
@@ -165,24 +165,50 @@ static int check_x509_cn(const grpc_auth_context *ctx,
   return 1;
 }
 
+static int check_x509_pem_cert(const grpc_auth_context *ctx,
+                               const char *expected_pem_cert) {
+  grpc_auth_property_iterator it = grpc_auth_context_find_properties_by_name(
+      ctx, GRPC_X509_PEM_CERT_PROPERTY_NAME);
+  const grpc_auth_property *prop = grpc_auth_property_iterator_next(&it);
+  if (prop == NULL) {
+    gpr_log(GPR_ERROR, "Pem certificate property not found.");
+    return 0;
+  }
+  if (strncmp(prop->value, expected_pem_cert, prop->value_length) != 0) {
+    gpr_log(GPR_ERROR, "Expected pem cert %s and got %s", expected_pem_cert,
+            prop->value);
+    return 0;
+  }
+  if (grpc_auth_property_iterator_next(&it) != NULL) {
+    gpr_log(GPR_ERROR, "Expected only one property for pem cert.");
+    return 0;
+  }
+  return 1;
+}
+
 static void test_cn_only_ssl_peer_to_auth_context(void) {
   tsi_peer peer;
   tsi_peer rpeer;
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
+  const char *expected_pem_cert = "pem_cert1";
+  GPR_ASSERT(tsi_construct_peer(3, &peer) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
                  &peer.properties[0]) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
                  &peer.properties[1]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[2]) == TSI_OK);
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
   GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
   GPR_ASSERT(check_identity(ctx, GRPC_X509_CN_PROPERTY_NAME, &expected_cn, 1));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -198,7 +224,8 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
   const char *expected_san = "san1";
-  GPR_ASSERT(tsi_construct_peer(3, &peer) == TSI_OK);
+  const char *expected_pem_cert = "pem_cert1";
+  GPR_ASSERT(tsi_construct_peer(4, &peer) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
                  &peer.properties[0]) == TSI_OK);
@@ -208,6 +235,9 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, expected_san,
                  &peer.properties[2]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[3]) == TSI_OK);
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
   GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
@@ -215,6 +245,7 @@ static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
       check_identity(ctx, GRPC_X509_SAN_PROPERTY_NAME, &expected_san, 1));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -230,8 +261,9 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
   const char *expected_sans[] = {"san1", "san2", "san3"};
+  const char *expected_pem_cert = "pem_cert1";
   size_t i;
-  GPR_ASSERT(tsi_construct_peer(2 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
+  GPR_ASSERT(tsi_construct_peer(3 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
              TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
@@ -239,10 +271,13 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
                  &peer.properties[1]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[2]) == TSI_OK);
   for (i = 0; i < GPR_ARRAY_SIZE(expected_sans); i++) {
     GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                    TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
-                   expected_sans[i], &peer.properties[2 + i]) == TSI_OK);
+                   expected_sans[i], &peer.properties[3 + i]) == TSI_OK);
   }
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
@@ -251,6 +286,7 @@ static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
                             GPR_ARRAY_SIZE(expected_sans)));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
@@ -266,9 +302,10 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
   tsi_peer rpeer;
   grpc_auth_context *ctx;
   const char *expected_cn = "cn1";
+  const char *expected_pem_cert = "pem_cert1";
   const char *expected_sans[] = {"san1", "san2", "san3"};
   size_t i;
-  GPR_ASSERT(tsi_construct_peer(4 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
+  GPR_ASSERT(tsi_construct_peer(5 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
              TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
@@ -280,10 +317,13 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
                  &peer.properties[2]) == TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  "chapi", "chapo", &peer.properties[3]) == TSI_OK);
+  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+                 TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+                 &peer.properties[4]) == TSI_OK);
   for (i = 0; i < GPR_ARRAY_SIZE(expected_sans); i++) {
     GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                    TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
-                   expected_sans[i], &peer.properties[4 + i]) == TSI_OK);
+                   expected_sans[i], &peer.properties[5 + i]) == TSI_OK);
   }
   ctx = tsi_ssl_peer_to_auth_context(&peer);
   GPR_ASSERT(ctx != NULL);
@@ -292,6 +332,7 @@ static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
                             GPR_ARRAY_SIZE(expected_sans)));
   GPR_ASSERT(check_transport_security_type(ctx));
   GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+  GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
 
   rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
   GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
diff --git a/test/core/security/verify_jwt.c b/test/core/security/verify_jwt.c
index 378a37f26c..2274fe18d8 100644
--- a/test/core/security/verify_jwt.c
+++ b/test/core/security/verify_jwt.c
@@ -34,7 +34,6 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/security/jwt_verifier.h"
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
@@ -43,8 +42,11 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/sync.h>
 
+#include "src/core/lib/security/jwt_verifier.h"
+
 typedef struct {
-  grpc_pollset pollset;
+  grpc_pollset *pollset;
+  gpr_mu *mu;
   int is_done;
   int success;
 } synchronizer;
@@ -77,10 +79,10 @@ static void on_jwt_verification_done(void *user_data,
             grpc_jwt_verifier_status_to_string(status));
   }
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&sync->pollset));
+  gpr_mu_lock(sync->mu);
   sync->is_done = 1;
-  grpc_pollset_kick(&sync->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&sync->pollset));
+  grpc_pollset_kick(sync->pollset, NULL);
+  gpr_mu_unlock(sync->mu);
 }
 
 int main(int argc, char **argv) {
@@ -103,23 +105,26 @@ int main(int argc, char **argv) {
 
   grpc_init();
 
-  grpc_pollset_init(&sync.pollset);
+  sync.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(sync.pollset, &sync.mu);
   sync.is_done = 0;
 
-  grpc_jwt_verifier_verify(&exec_ctx, verifier, &sync.pollset, jwt, aud,
+  grpc_jwt_verifier_verify(&exec_ctx, verifier, sync.pollset, jwt, aud,
                            on_jwt_verification_done, &sync);
 
-  gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+  gpr_mu_lock(sync.mu);
   while (!sync.is_done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &sync.pollset, &worker,
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, sync.pollset, &worker,
                       gpr_now(GPR_CLOCK_MONOTONIC),
                       gpr_inf_future(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
+    gpr_mu_unlock(sync.mu);
     grpc_exec_ctx_finish(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+    gpr_mu_lock(sync.mu);
   }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
+  gpr_mu_unlock(sync.mu);
+
+  gpr_free(sync.pollset);
 
   grpc_jwt_verifier_destroy(verifier);
   gpr_cmdline_destroy(cl);
diff --git a/test/core/statistics/census_log_tests.c b/test/core/statistics/census_log_tests.c
index aac20fd96a..8646a2fdf1 100644
--- a/test/core/statistics/census_log_tests.c
+++ b/test/core/statistics/census_log_tests.c
@@ -31,10 +31,7 @@
  *
  */
 
-#include "src/core/statistics/census_log.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include "src/core/ext/census/census_log.h"
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
@@ -42,6 +39,9 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "test/core/util/test_config.h"
 
 /* Fills in 'record' of size 'size'. Each byte in record is filled in with the
@@ -237,8 +237,8 @@ static void reader_thread(void *arg) {
   gpr_timespec interval;
   int counter = 0;
   printf("   Reader starting\n");
-  interval = gpr_time_from_micros(args->read_iteration_interval_in_msec * 1000,
-                                  GPR_TIMESPAN);
+  interval = gpr_time_from_micros(
+      (int64_t)args->read_iteration_interval_in_msec * 1000, GPR_TIMESPAN);
   gpr_mu_lock(args->mu);
   while (!args->stop_flag && records_read < args->total_records) {
     gpr_cv_wait(&args->stop, args->mu, interval);
diff --git a/test/core/statistics/census_stub_test.c b/test/core/statistics/census_stub_test.c
index 8e409a3726..f9dddb6599 100644
--- a/test/core/statistics/census_stub_test.c
+++ b/test/core/statistics/census_stub_test.c
@@ -34,10 +34,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
 #include "test/core/util/test_config.h"
 
 /* Tests census noop stubs in a simulated rpc flow */
diff --git a/test/core/statistics/hash_table_test.c b/test/core/statistics/hash_table_test.c
index 3b119dbc0c..f63c1a366a 100644
--- a/test/core/statistics/hash_table_test.c
+++ b/test/core/statistics/hash_table_test.c
@@ -35,13 +35,13 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "src/core/statistics/hash_table.h"
+#include "src/core/ext/census/hash_table.h"
 
-#include "src/core/support/murmur_hash.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/support/murmur_hash.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 static uint64_t hash64(const void *k) {
@@ -65,8 +65,8 @@ static void free_data(void *data) { gpr_free(data); }
 static void test_create_table(void) {
   /* Create table with uint64 key type */
   census_ht *ht = NULL;
-  census_ht_option ht_options = {CENSUS_HT_UINT64, 1999, NULL, NULL, NULL,
-                                 NULL};
+  census_ht_option ht_options = {
+      CENSUS_HT_UINT64, 1999, NULL, NULL, NULL, NULL};
   ht = census_ht_create(&ht_options);
   GPR_ASSERT(ht != NULL);
   GPR_ASSERT(census_ht_get_size(ht) == 0);
@@ -120,8 +120,8 @@ static void test_table_with_int_key(void) {
 
 /* Test that there is no memory leak when keys and values are owned by table. */
 static void test_value_and_key_deleter(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64, &cmp_str_keys,
-                          &free_data, &free_data};
+  census_ht_option opt = {CENSUS_HT_POINTER, 7,          &hash64,
+                          &cmp_str_keys,     &free_data, &free_data};
   census_ht *ht = census_ht_create(&opt);
   census_ht_key key;
   char *val = NULL;
@@ -185,8 +185,8 @@ static void test_simple_add_and_erase(void) {
 }
 
 static void test_insertion_and_deletion_with_high_collision_rate(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 13, &force_collision,
-                          &cmp_str_keys, NULL, NULL};
+  census_ht_option opt = {CENSUS_HT_POINTER, 13,   &force_collision,
+                          &cmp_str_keys,     NULL, NULL};
   census_ht *ht = census_ht_create(&opt);
   char key_str[1000][GPR_LTOA_MIN_BUFSIZE];
   uint64_t val = 0;
@@ -209,12 +209,12 @@ static void test_insertion_and_deletion_with_high_collision_rate(void) {
 }
 
 static void test_table_with_string_key(void) {
-  census_ht_option opt = {CENSUS_HT_POINTER, 7, &hash64, &cmp_str_keys, NULL,
-                          NULL};
+  census_ht_option opt = {CENSUS_HT_POINTER, 7,    &hash64,
+                          &cmp_str_keys,     NULL, NULL};
   census_ht *ht = census_ht_create(&opt);
-  const char *keys[] = {"k1", "a", "000", "apple",
-                        "banana_a_long_long_long_banana", "%$", "111", "foo",
-                        "b"};
+  const char *keys[] = {
+      "k1", "a",   "000", "apple", "banana_a_long_long_long_banana",
+      "%$", "111", "foo", "b"};
   const int vals[] = {0, 1, 2, 3, 4, 5, 6, 7, 8};
   int i = 0;
   GPR_ASSERT(ht != NULL);
diff --git a/test/core/statistics/rpc_stats_test.c b/test/core/statistics/rpc_stats_test.c
index b1d8814cfa..14def4bfe1 100644
--- a/test/core/statistics/rpc_stats_test.c
+++ b/test/core/statistics/rpc_stats_test.c
@@ -33,15 +33,15 @@
 
 #include <string.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_rpc_stats.h"
-#include "src/core/statistics/census_tracing.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "src/core/ext/census/census_tracing.h"
 #include "test/core/util/test_config.h"
 
 /* Ensure all possible state transitions are called without causing problem */
diff --git a/test/core/statistics/trace_test.c b/test/core/statistics/trace_test.c
index 75904040ff..790507f2c6 100644
--- a/test/core/statistics/trace_test.c
+++ b/test/core/statistics/trace_test.c
@@ -31,12 +31,9 @@
  *
  */
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
-#include "src/core/statistics/census_interface.h"
-#include "src/core/statistics/census_tracing.h"
-#include "src/core/statistics/census_tracing.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
@@ -44,6 +41,9 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_tracing.h"
+#include "src/core/ext/census/census_tracing.h"
 #include "test/core/util/test_config.h"
 
 /* Ensure all possible state transitions are called without causing problem */
diff --git a/test/core/statistics/window_stats_test.c b/test/core/statistics/window_stats_test.c
index 578138fdd2..5d71ba613d 100644
--- a/test/core/statistics/window_stats_test.c
+++ b/test/core/statistics/window_stats_test.c
@@ -31,10 +31,10 @@
  *
  */
 
-#include "src/core/statistics/window_stats.h"
-#include <stdlib.h>
+#include "src/core/ext/census/window_stats.h"
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 typedef struct test_stat {
diff --git a/test/core/support/alloc_test.c b/test/core/support/alloc_test.c
index 6bdba8c390..a7df1977da 100644
--- a/test/core/support/alloc_test.c
+++ b/test/core/support/alloc_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,8 +31,8 @@
  *
  */
 
-#include <grpc/support/log.h>
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
 static void *fake_malloc(size_t size) { return (void *)size; }
diff --git a/test/core/support/avl_test.c b/test/core/support/avl_test.c
index d8d8b36806..83cc263c69 100644
--- a/test/core/support/avl_test.c
+++ b/test/core/support/avl_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/support/backoff_test.c b/test/core/support/backoff_test.c
new file mode 100644
index 0000000000..13cba7d750
--- /dev/null
+++ b/test/core/support/backoff_test.c
@@ -0,0 +1,107 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/support/backoff.h"
+
+#include <grpc/support/log.h>
+
+#include "test/core/util/test_config.h"
+
+static void test_constant_backoff(void) {
+  gpr_backoff backoff;
+  gpr_backoff_init(&backoff, 1.0, 0.0, 1000, 1000);
+
+  gpr_timespec now = gpr_time_0(GPR_TIMESPAN);
+  gpr_timespec next = gpr_backoff_begin(&backoff, now);
+  GPR_ASSERT(gpr_time_to_millis(gpr_time_sub(next, now)) == 1000);
+  for (int i = 0; i < 10000; i++) {
+    next = gpr_backoff_step(&backoff, now);
+    GPR_ASSERT(gpr_time_to_millis(gpr_time_sub(next, now)) == 1000);
+    now = next;
+  }
+}
+
+static void test_no_jitter_backoff(void) {
+  gpr_backoff backoff;
+  gpr_backoff_init(&backoff, 2.0, 0.0, 1, 513);
+
+  gpr_timespec now = gpr_time_0(GPR_TIMESPAN);
+  gpr_timespec next = gpr_backoff_begin(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(1, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(3, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(7, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(15, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(31, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(63, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(127, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(255, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(511, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(1023, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(1536, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(2049, GPR_TIMESPAN), next) == 0);
+  now = next;
+  next = gpr_backoff_step(&backoff, now);
+  GPR_ASSERT(gpr_time_cmp(gpr_time_from_millis(2562, GPR_TIMESPAN), next) == 0);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  gpr_time_init();
+
+  test_constant_backoff();
+  test_no_jitter_backoff();
+
+  return 0;
+}
diff --git a/test/core/support/cpu_test.c b/test/core/support/cpu_test.c
index da16f13fd8..a5c52442ad 100644
--- a/test/core/support/cpu_test.c
+++ b/test/core/support/cpu_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/support/env_test.c b/test/core/support/env_test.c
index 69aebcc918..bd6a8bdf9d 100644
--- a/test/core/support/env_test.c
+++ b/test/core/support/env_test.c
@@ -37,8 +37,8 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/support/env.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/support/file_test.c b/test/core/support/load_file_test.c
index 330b2173ef..0125fd94fd 100644
--- a/test/core/support/file_test.c
+++ b/test/core/support/load_file_test.c
@@ -38,8 +38,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
-#include "src/core/support/file.h"
-#include "src/core/support/string.h"
+#include "src/core/lib/support/load_file.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
@@ -134,33 +135,33 @@ static void test_load_big_file(void) {
   gpr_slice slice;
   int success;
   char *tmp_name;
-  unsigned char buffer[124631];
+  static const size_t buffer_size = 124631;
+  unsigned char *buffer = gpr_malloc(buffer_size);
   unsigned char *current;
   size_t i;
 
   LOG_TEST_NAME("test_load_big_file");
 
-  for (i = 0; i < sizeof(buffer); i++) {
-    buffer[i] = 42;
-  }
+  memset(buffer, 42, buffer_size);
 
   tmp = gpr_tmpfile(prefix, &tmp_name);
   GPR_ASSERT(tmp != NULL);
   GPR_ASSERT(tmp_name != NULL);
-  GPR_ASSERT(fwrite(buffer, 1, sizeof(buffer), tmp) == sizeof(buffer));
+  GPR_ASSERT(fwrite(buffer, 1, buffer_size, tmp) == buffer_size);
   fclose(tmp);
 
   slice = gpr_load_file(tmp_name, 0, &success);
   GPR_ASSERT(success == 1);
-  GPR_ASSERT(GPR_SLICE_LENGTH(slice) == sizeof(buffer));
+  GPR_ASSERT(GPR_SLICE_LENGTH(slice) == buffer_size);
   current = GPR_SLICE_START_PTR(slice);
-  for (i = 0; i < sizeof(buffer); i++) {
+  for (i = 0; i < buffer_size; i++) {
     GPR_ASSERT(current[i] == 42);
   }
 
   remove(tmp_name);
   gpr_free(tmp_name);
   gpr_slice_unref(slice);
+  gpr_free(buffer);
 }
 
 int main(int argc, char **argv) {
diff --git a/test/core/support/murmur_hash_test.c b/test/core/support/murmur_hash_test.c
index 562b9567e7..ef32719408 100644
--- a/test/core/support/murmur_hash_test.c
+++ b/test/core/support/murmur_hash_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/murmur_hash.h"
+#include "src/core/lib/support/murmur_hash.h"
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include "test/core/util/test_config.h"
diff --git a/test/core/support/stack_lockfree_test.c b/test/core/support/stack_lockfree_test.c
index 0f49e6fa52..745157f701 100644
--- a/test/core/support/stack_lockfree_test.c
+++ b/test/core/support/stack_lockfree_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/stack_lockfree.h"
+#include "src/core/lib/support/stack_lockfree.h"
 
 #include <stdlib.h>
 
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c
index c1d0f12250..d5f8107f21 100644
--- a/test/core/support/string_test.c
+++ b/test/core/support/string_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 
 #include <limits.h>
 #include <stddef.h>
diff --git a/test/core/support/sync_test.c b/test/core/support/sync_test.c
index 0149bc3afd..0fcf08b9d3 100644
--- a/test/core/support/sync_test.c
+++ b/test/core/support/sync_test.c
@@ -33,13 +33,13 @@
 
 /* Test of gpr synchronization support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 /* ==================Example use of interface===================
@@ -251,7 +251,7 @@ static void test(const char *name, void (*body)(void *m),
   gpr_timespec start = gpr_now(GPR_CLOCK_REALTIME);
   gpr_timespec time_taken;
   gpr_timespec deadline = gpr_time_add(
-      start, gpr_time_from_micros(timeout_s * 1000000, GPR_TIMESPAN));
+      start, gpr_time_from_micros((int64_t)timeout_s * 1000000, GPR_TIMESPAN));
   fprintf(stderr, "%s:", name);
   while (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), deadline) < 0) {
     iterations <<= 1;
diff --git a/test/core/support/thd_test.c b/test/core/support/thd_test.c
index f7807d280a..c00fd5af64 100644
--- a/test/core/support/thd_test.c
+++ b/test/core/support/thd_test.c
@@ -33,14 +33,16 @@
 
 /* Test of gpr thread support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
+#define NUM_THREADS 300
+
 struct test {
   gpr_mu mu;
   int n;
@@ -79,15 +81,14 @@ static void test_options(void) {
 static void test(void) {
   int i;
   gpr_thd_id thd;
-  gpr_thd_id thds[1000];
+  gpr_thd_id thds[NUM_THREADS];
   struct test t;
-  int n = 1000;
   gpr_thd_options options = gpr_thd_options_default();
   gpr_mu_init(&t.mu);
   gpr_cv_init(&t.done_cv);
-  t.n = n;
+  t.n = NUM_THREADS;
   t.is_done = 0;
-  for (i = 0; i != n; i++) {
+  for (i = 0; i < NUM_THREADS; i++) {
     GPR_ASSERT(gpr_thd_new(&thd, &thd_body, &t, NULL));
   }
   gpr_mu_lock(&t.mu);
@@ -97,10 +98,10 @@ static void test(void) {
   gpr_mu_unlock(&t.mu);
   GPR_ASSERT(t.n == 0);
   gpr_thd_options_set_joinable(&options);
-  for (i = 0; i < n; i++) {
+  for (i = 0; i < NUM_THREADS; i++) {
     GPR_ASSERT(gpr_thd_new(&thds[i], &thd_body_joinable, NULL, &options));
   }
-  for (i = 0; i < n; i++) {
+  for (i = 0; i < NUM_THREADS; i++) {
     gpr_thd_join(thds[i]);
   }
 }
diff --git a/test/core/support/time_test.c b/test/core/support/time_test.c
index fc26f94d29..e9ca08d041 100644
--- a/test/core/support/time_test.c
+++ b/test/core/support/time_test.c
@@ -33,14 +33,14 @@
 
 /* Test of gpr time support. */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "test/core/util/test_config.h"
 
 static void to_fp(void *arg, const char *buf, size_t len) {
@@ -125,15 +125,15 @@ static void test_values(void) {
   }
 
   /* Test possible overflow in conversion of -ve values. */
-  x = gpr_time_from_micros(-(LONG_MAX - 999997), GPR_TIMESPAN);
+  x = gpr_time_from_micros(-(INT64_MAX - 999997), GPR_TIMESPAN);
   GPR_ASSERT(x.tv_sec < 0);
   GPR_ASSERT(x.tv_nsec >= 0 && x.tv_nsec < GPR_NS_PER_SEC);
 
-  x = gpr_time_from_nanos(-(LONG_MAX - 999999997), GPR_TIMESPAN);
+  x = gpr_time_from_nanos(-(INT64_MAX - 999999997), GPR_TIMESPAN);
   GPR_ASSERT(x.tv_sec < 0);
   GPR_ASSERT(x.tv_nsec >= 0 && x.tv_nsec < GPR_NS_PER_SEC);
 
-  x = gpr_time_from_millis(-(LONG_MAX - 997), GPR_TIMESPAN);
+  x = gpr_time_from_millis(-(INT64_MAX - 997), GPR_TIMESPAN);
   GPR_ASSERT(x.tv_sec < 0);
   GPR_ASSERT(x.tv_nsec >= 0 && x.tv_nsec < GPR_NS_PER_SEC);
 
diff --git a/test/core/support/tls_test.c b/test/core/support/tls_test.c
index c6fb1a4a26..7b732ee10e 100644
--- a/test/core/support/tls_test.c
+++ b/test/core/support/tls_test.c
@@ -33,12 +33,12 @@
 
 /* Test of gpr thread local storage support. */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <grpc/support/log.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/tls.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "test/core/util/test_config.h"
 
 #define NUM_THREADS 100
diff --git a/test/core/support/useful_test.c b/test/core/support/useful_test.c
index 3665bbf972..7d190228bd 100644
--- a/test/core/support/useful_test.c
+++ b/test/core/support/useful_test.c
@@ -31,9 +31,9 @@
  *
  */
 
-#include <grpc/support/useful.h>
-#include <grpc/support/port_platform.h>
 #include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+#include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/surface/byte_buffer_reader_test.c b/test/core/surface/byte_buffer_reader_test.c
index c87fbdc897..9c6734e179 100644
--- a/test/core/surface/byte_buffer_reader_test.c
+++ b/test/core/surface/byte_buffer_reader_test.c
@@ -31,10 +31,10 @@
  *
  */
 
-#include <grpc/byte_buffer_reader.h>
 #include <grpc/byte_buffer.h>
-#include <grpc/support/slice.h>
+#include <grpc/byte_buffer_reader.h>
 #include <grpc/grpc.h>
+#include <grpc/support/slice.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -42,7 +42,7 @@
 #include <grpc/support/time.h>
 #include "test/core/util/test_config.h"
 
-#include "src/core/compression/message_compress.h"
+#include "src/core/lib/compression/message_compress.h"
 
 #include <string.h>
 
diff --git a/test/core/surface/channel_create_test.c b/test/core/surface/channel_create_test.c
index 044e766473..5ff66bd7a5 100644
--- a/test/core/surface/channel_create_test.c
+++ b/test/core/surface/channel_create_test.c
@@ -33,7 +33,7 @@
 
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include "src/core/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
 void test_unknown_scheme_target(void) {
diff --git a/test/core/surface/completion_queue_test.c b/test/core/surface/completion_queue_test.c
index ec49840ba8..d62d5a93b1 100644
--- a/test/core/surface/completion_queue_test.c
+++ b/test/core/surface/completion_queue_test.c
@@ -31,14 +31,14 @@
  *
  */
 
-#include "src/core/surface/completion_queue.h"
+#include "src/core/lib/surface/completion_queue.h"
 
-#include "src/core/iomgr/iomgr.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/surface/concurrent_connectivity_test.c b/test/core/surface/concurrent_connectivity_test.c
new file mode 100644
index 0000000000..96761b0502
--- /dev/null
+++ b/test/core/surface/concurrent_connectivity_test.c
@@ -0,0 +1,81 @@
+/*
+*
+* Copyright 2016, Google Inc.
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*
+*     * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above
+* copyright notice, this list of conditions and the following disclaimer
+* in the documentation and/or other materials provided with the
+* distribution.
+*     * Neither the name of Google Inc. nor the names of its
+* contributors may be used to endorse or promote products derived from
+* this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*/
+
+#include <stdio.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/thd.h>
+#include "test/core/util/test_config.h"
+
+#define NUM_THREADS 100
+#define NUM_OUTER_LOOPS 10
+#define NUM_INNER_LOOPS 10
+#define DELAY_MILLIS 10
+#define POLL_MILLIS 3000
+
+void create_loop_destroy(void* unused) {
+  for (int i = 0; i < NUM_OUTER_LOOPS; ++i) {
+    grpc_completion_queue* cq = grpc_completion_queue_create(NULL);
+    grpc_channel* chan = grpc_insecure_channel_create("localhost", NULL, NULL);
+
+    for (int j = 0; j < NUM_INNER_LOOPS; ++j) {
+      gpr_timespec later_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(DELAY_MILLIS);
+      grpc_connectivity_state state =
+          grpc_channel_check_connectivity_state(chan, 1);
+      grpc_channel_watch_connectivity_state(chan, state, later_time, cq, NULL);
+      gpr_timespec poll_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(POLL_MILLIS);
+      GPR_ASSERT(grpc_completion_queue_next(cq, poll_time, NULL).type ==
+                 GRPC_OP_COMPLETE);
+    }
+    grpc_channel_destroy(chan);
+    grpc_completion_queue_destroy(cq);
+  }
+}
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  grpc_init();
+  gpr_thd_id threads[NUM_THREADS];
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_options options = gpr_thd_options_default();
+    gpr_thd_options_set_joinable(&options);
+    gpr_thd_new(&threads[i], create_loop_destroy, NULL, &options);
+  }
+  for (size_t i = 0; i < NUM_THREADS; ++i) {
+    gpr_thd_join(threads[i]);
+  }
+  grpc_shutdown();
+  return 0;
+}
diff --git a/test/core/surface/lame_client_test.c b/test/core/surface/lame_client_test.c
index 79e53cb422..12fa9de6cf 100644
--- a/test/core/surface/lame_client_test.c
+++ b/test/core/surface/lame_client_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,10 +36,10 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
-#include "src/core/channel/channel_stack.h"
-#include "src/core/iomgr/closure.h"
-#include "src/core/surface/channel.h"
-#include "src/core/transport/transport.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/iomgr/closure.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/transport/transport.h"
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/surface/secure_channel_create_test.c b/test/core/surface/secure_channel_create_test.c
index f3e5fefaf0..80419efce4 100644
--- a/test/core/surface/secure_channel_create_test.c
+++ b/test/core/surface/secure_channel_create_test.c
@@ -36,10 +36,10 @@
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/log.h>
-#include "src/core/client_config/resolver_registry.h"
-#include "src/core/security/credentials.h"
-#include "src/core/security/security_connector.h"
-#include "src/core/surface/channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/security/security_connector.h"
+#include "src/core/lib/surface/channel.h"
 #include "test/core/util/test_config.h"
 
 void test_unknown_scheme_target(void) {
diff --git a/test/core/surface/server_chttp2_test.c b/test/core/surface/server_chttp2_test.c
index 84b345bb50..d22c164972 100644
--- a/test/core/surface/server_chttp2_test.c
+++ b/test/core/surface/server_chttp2_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,8 +37,8 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "src/core/security/credentials.h"
-#include "src/core/tsi/fake_transport_security.h"
+#include "src/core/lib/security/credentials.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/surface/server_test.c b/test/core/surface/server_test.c
index 1d5211d225..3d2e25379a 100644
--- a/test/core/surface/server_test.c
+++ b/test/core/surface/server_test.c
@@ -42,11 +42,25 @@ void test_register_method_fail(void) {
   grpc_server *server = grpc_server_create(NULL, NULL);
   void *method;
   void *method_old;
-  method = grpc_server_register_method(server, NULL, NULL);
+  method =
+      grpc_server_register_method(server, NULL, NULL, GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method == NULL);
-  method_old = grpc_server_register_method(server, "m", "h");
+  method_old =
+      grpc_server_register_method(server, "m", "h", GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method_old != NULL);
-  method = grpc_server_register_method(server, "m", "h");
+  method = grpc_server_register_method(
+      server, "m", "h", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
+  GPR_ASSERT(method == NULL);
+  method_old =
+      grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE,
+                                  GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
+  GPR_ASSERT(method_old != NULL);
+  method =
+      grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE, 0);
+  GPR_ASSERT(method == NULL);
+  method = grpc_server_register_method(
+      server, "m2", "h2", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER,
+      GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
   GPR_ASSERT(method == NULL);
   grpc_server_destroy(server);
 }
diff --git a/test/core/transport/chttp2/alpn_test.c b/test/core/transport/chttp2/alpn_test.c
index 9a7d5ef0c3..75d8ee57c7 100644
--- a/test/core/transport/chttp2/alpn_test.c
+++ b/test/core/transport/chttp2/alpn_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/alpn.h"
+#include "src/core/ext/transport/chttp2/transport/alpn.h"
 
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
diff --git a/test/core/transport/chttp2/bin_encoder_test.c b/test/core/transport/chttp2/bin_encoder_test.c
index d1838075be..96efb4d1f1 100644
--- a/test/core/transport/chttp2/bin_encoder_test.c
+++ b/test/core/transport/chttp2/bin_encoder_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
 
 #include <string.h>
 
@@ -39,9 +39,9 @@
  * TODO(murgatroid99): Remove this
  */
 #include <grpc/grpc.h>
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include "src/core/lib/support/string.h"
 
 static int all_ok = 1;
 
diff --git a/test/core/transport/chttp2/hpack_encoder_test.c b/test/core/transport/chttp2/hpack_encoder_test.c
index 4a9d143640..5ff592c21c 100644
--- a/test/core/transport/chttp2/hpack_encoder_test.c
+++ b/test/core/transport/chttp2/hpack_encoder_test.c
@@ -31,16 +31,18 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_encoder.h"
 
 #include <stdio.h>
+#include <string.h>
 
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/hpack_parser.h"
-#include "src/core/transport/metadata.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
+
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/metadata.h"
 #include "test/core/util/parse_hexstring.h"
 #include "test/core/util/slice_splitter.h"
 #include "test/core/util/test_config.h"
@@ -93,7 +95,10 @@ static void verify(size_t window_available, int eof, size_t expect_window_used,
 
   gpr_slice_buffer_init(&output);
 
-  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, &output);
+  grpc_transport_one_way_stats stats;
+  memset(&stats, 0, sizeof(stats));
+  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, &stats,
+                            &output);
   merged = grpc_slice_merge(output.slices, output.count);
   gpr_slice_buffer_destroy(&output);
   grpc_metadata_batch_destroy(&b);
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda b/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda
new file mode 100644
index 0000000000..76b1250625
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda
@@ -0,0 +1 @@
+(?¤¤¤Û¤Ûð
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599 b/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599
new file mode 100644
index 0000000000..e28a5867db
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0255050a9ccb25f46d6c1bf6a5a8a4c0c7635599
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6 b/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6
new file mode 100644
index 0000000000..0ea34c4099
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0320a995a8c76c64c8a0e0297f632b76d9bc92d6
@@ -0,0 +1 @@
+¤!ƒÛð¤!ƒ¶Ûð*c
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76 b/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76
new file mode 100644
index 0000000000..ce65ec6fd1
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/042091aeac4cc255506b96fa11c7354e699fde76
@@ -0,0 +1 @@
+¤¤ð¤-bin;?0c!(ðK	ð[N!‹c[:¤ð¤-\!õG!):[(!!¤
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2 b/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2
new file mode 100644
index 0000000000..a7936f2faf
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/0696e7bf7837d98de01c915d3c9d80e5d21b30d2
@@ -0,0 +1 @@
+ð[(-bin!	ð(!\	?* ¤®@:ð[
\ No newline at end of file
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diff --git a/test/core/transport/chttp2/hpack_parser_corpus/4a3fdb96bc8c80f1992f0f72f963f84856cbade8 b/test/core/transport/chttp2/hpack_parser_corpus/4a3fdb96bc8c80f1992f0f72f963f84856cbade8
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diff --git a/test/core/transport/chttp2/hpack_parser_corpus/4aae80e05793d7adb42a7e6e8a5283b677318777 b/test/core/transport/chttp2/hpack_parser_corpus/4aae80e05793d7adb42a7e6e8a5283b677318777
new file mode 100644
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new file mode 100644
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@@ -0,0 +1 @@
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diff --git a/test/core/transport/chttp2/hpack_parser_corpus/8b0e12978b8e2eecf62346e438e47d0993845693 b/test/core/transport/chttp2/hpack_parser_corpus/8b0e12978b8e2eecf62346e438e47d0993845693
new file mode 100644
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@@ -0,0 +1 @@
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diff --git a/test/core/transport/chttp2/hpack_parser_corpus/8b3fa0bd4f289eff6a04a5205e04baaeafbdf637 b/test/core/transport/chttp2/hpack_parser_corpus/8b3fa0bd4f289eff6a04a5205e04baaeafbdf637
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+++ b/test/core/transport/chttp2/hpack_parser_corpus/e3cfdc862187b4ec28bd4fb2ced5094bb5b09909
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/e4ce52007d001806fc9368b62c124dfc56e8471c b/test/core/transport/chttp2/hpack_parser_corpus/e4ce52007d001806fc9368b62c124dfc56e8471c
new file mode 100644
index 0000000000..34de7ad356
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/e4ce52007d001806fc9368b62c124dfc56e8471c
@@ -0,0 +1 @@
+):;!œÊ'ÒØ)*;}v-7IÏ!¤)–-M*±äâ!'d*Cu«X$0):ó*;:äÝ;;();:]ïæ@
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/e52173f0bc3325629046e85e2dc41acc6ba7d1c3 b/test/core/transport/chttp2/hpack_parser_corpus/e52173f0bc3325629046e85e2dc41acc6ba7d1c3
new file mode 100644
index 0000000000..84f475391d
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/e52173f0bc3325629046e85e2dc41acc6ba7d1c3
@@ -0,0 +1 @@
+¤¤ð¤-binc([)¤(¤-Û
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/e6589006e3bda4c57247ad66fcd73ac00ee2cbe2 b/test/core/transport/chttp2/hpack_parser_corpus/e6589006e3bda4c57247ad66fcd73ac00ee2cbe2
new file mode 100644
index 0000000000..274e09dd1c
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/e6589006e3bda4c57247ad66fcd73ac00ee2cbe2
@@ -0,0 +1 @@
+;'cð[(!	ð[N!\‡!åGý!*(!	!åGýA)(!)í!¼*)åGýI)(Ù;)Š
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/e6fab7572fb2a1c6e107b6f83cffd103a233d021 b/test/core/transport/chttp2/hpack_parser_corpus/e6fab7572fb2a1c6e107b6f83cffd103a233d021
new file mode 100644
index 0000000000..720a576a90
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/e6fab7572fb2a1c6e107b6f83cffd103a233d021
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/e790f5d312957dbfd20abdefe4b1735779ff9689 b/test/core/transport/chttp2/hpack_parser_corpus/e790f5d312957dbfd20abdefe4b1735779ff9689
new file mode 100644
index 0000000000..b818778f8b
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/e790f5d312957dbfd20abdefe4b1735779ff9689
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/e8809017a4cf6c1e80a93f661166ead961f26bb4 b/test/core/transport/chttp2/hpack_parser_corpus/e8809017a4cf6c1e80a93f661166ead961f26bb4
new file mode 100644
index 0000000000..fce39c6198
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/e8809017a4cf6c1e80a93f661166ead961f26bb4
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/e9733e973c33b38c2087b7f1deb36688b3b14259 b/test/core/transport/chttp2/hpack_parser_corpus/e9733e973c33b38c2087b7f1deb36688b3b14259
new file mode 100644
index 0000000000..b87a36fcfc
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/e9733e973c33b38c2087b7f1deb36688b3b14259
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c*[)¤(* ¤®@:ð[(?¤;[('¤ð(-¤Û!	ð'ðb
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ea8134769855d574f6673bf0301eb2e24632c6eb b/test/core/transport/chttp2/hpack_parser_corpus/ea8134769855d574f6673bf0301eb2e24632c6eb
new file mode 100644
index 0000000000..0a16a74e6d
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ea8134769855d574f6673bf0301eb2e24632c6eb
@@ -0,0 +1 @@
+ð[(-bin¤¤ð¤-bin‹c[)(-'bin	!!?¤Ûð!ð{(-binð!	ð(	!!
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/eb489536e4e5589a93a17cd36669475b8f2a5e1b b/test/core/transport/chttp2/hpack_parser_corpus/eb489536e4e5589a93a17cd36669475b8f2a5e1b
new file mode 100644
index 0000000000..ffa9431bc3
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/eb489536e4e5589a93a17cd36669475b8f2a5e1b
@@ -0,0 +1 @@
+¤¤ð¤-bin‹#Z)¤(-¤	b¤ð¤-bin?ð‹c[)(-ni''bin!!	!/¤!?Ûð!
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/eb48ebd4d01e5623dd16ae61938b3333fab3ce78 b/test/core/transport/chttp2/hpack_parser_corpus/eb48ebd4d01e5623dd16ae61938b3333fab3ce78
new file mode 100644
index 0000000000..b92817bb29
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/eb48ebd4d01e5623dd16ae61938b3333fab3ce78
@@ -0,0 +1 @@
+¤¤ÛððÜcc'
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/eb6ca7624384239c7f7e0d83edb7cc334b7926d7 b/test/core/transport/chttp2/hpack_parser_corpus/eb6ca7624384239c7f7e0d83edb7cc334b7926d7
new file mode 100644
index 0000000000..cb68dfd5e5
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/eb6ca7624384239c7f7e0d83edb7cc334b7926d7
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ec9457ad41ed745ea9377ffdb16ad09f981daa7f b/test/core/transport/chttp2/hpack_parser_corpus/ec9457ad41ed745ea9377ffdb16ad09f981daa7f
new file mode 100644
index 0000000000..9b15875d69
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ec9457ad41ed745ea9377ffdb16ad09f981daa7f
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/edff5256a2d60d0e51caef25dc1d6f1643dad6d5 b/test/core/transport/chttp2/hpack_parser_corpus/edff5256a2d60d0e51caef25dc1d6f1643dad6d5
new file mode 100644
index 0000000000..5ef662da50
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/edff5256a2d60d0e51caef25dc1d6f1643dad6d5
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ee4d9c5d22512da42726f47213ff56404d1d81d1 b/test/core/transport/chttp2/hpack_parser_corpus/ee4d9c5d22512da42726f47213ff56404d1d81d1
new file mode 100644
index 0000000000..cd45daf8aa
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ee4d9c5d22512da42726f47213ff56404d1d81d1
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/eef2f30b5e2ecd98ebefb12d57aba8b4ad52d904 b/test/core/transport/chttp2/hpack_parser_corpus/eef2f30b5e2ecd98ebefb12d57aba8b4ad52d904
new file mode 100644
index 0000000000..9c27b3888f
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/eef2f30b5e2ecd98ebefb12d57aba8b4ad52d904
@@ -0,0 +1 @@
+?ð	Û!ðcm'
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ef23911de1a27d03d2d4983ca1527e17d6a7092b b/test/core/transport/chttp2/hpack_parser_corpus/ef23911de1a27d03d2d4983ca1527e17d6a7092b
new file mode 100644
index 0000000000..453512785b
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ef23911de1a27d03d2d4983ca1527e17d6a7092b
@@ -0,0 +1 @@
+0c'ð[(!	ð[(!\	!åGý![(!!	!åGýA)(!)í!¼*)åGýA)(Ù;)Š
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ef5b7fc62a2daecf1e8f928b1fa3ebd028413a41 b/test/core/transport/chttp2/hpack_parser_corpus/ef5b7fc62a2daecf1e8f928b1fa3ebd028413a41
new file mode 100644
index 0000000000..c3c6d7380e
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ef5b7fc62a2daecf1e8f928b1fa3ebd028413a41
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ef718258ca1870198e91a2fbc1eaa90b620673fb b/test/core/transport/chttp2/hpack_parser_corpus/ef718258ca1870198e91a2fbc1eaa90b620673fb
new file mode 100644
index 0000000000..be01d46af5
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ef718258ca1870198e91a2fbc1eaa90b620673fb
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c[)²(-'bin¤
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/efb46deb37a78f41dd760f6b7203b20956eb114e b/test/core/transport/chttp2/hpack_parser_corpus/efb46deb37a78f41dd760f6b7203b20956eb114e
new file mode 100644
index 0000000000..58cc22fbab
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/efb46deb37a78f41dd760f6b7203b20956eb114e
@@ -0,0 +1 @@
+;?0c!(ðK	ðNÔ\	!åG![(!!	!åGýA)(:)í!*å¼G€ýA)(Ù;)Š
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/efdd6824bd2456e3e408e0e84369c4fa3aa14f41 b/test/core/transport/chttp2/hpack_parser_corpus/efdd6824bd2456e3e408e0e84369c4fa3aa14f41
new file mode 100644
index 0000000000..0926c631be
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/efdd6824bd2456e3e408e0e84369c4fa3aa14f41
@@ -0,0 +1 @@
+0cð[(!	ð[(!\	!åGý![(!!	!åGýA)(!)í!¼*)åGýA)(Ù;)Š
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/efec040a5de1969df5e37e4bc50a0a8f0de341d8 b/test/core/transport/chttp2/hpack_parser_corpus/efec040a5de1969df5e37e4bc50a0a8f0de341d8
new file mode 100644
index 0000000000..9e21c0e98c
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/efec040a5de1969df5e37e4bc50a0a8f0de341d8
@@ -0,0 +1 @@
+(?¤:›ð!	c
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f1e30464c24dc1d7cec7ec1dd2adec8512232b43 b/test/core/transport/chttp2/hpack_parser_corpus/f1e30464c24dc1d7cec7ec1dd2adec8512232b43
new file mode 100644
index 0000000000..a217e4f2d8
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f1e30464c24dc1d7cec7ec1dd2adec8512232b43
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f27a617b936814476770a3b31a5afb80d0f3b423 b/test/core/transport/chttp2/hpack_parser_corpus/f27a617b936814476770a3b31a5afb80d0f3b423
new file mode 100644
index 0000000000..ee6ac4e30f
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f27a617b936814476770a3b31a5afb80d0f3b423
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f3f0d99ac2962f8fddb25c65fb4c8c6eb63518a9 b/test/core/transport/chttp2/hpack_parser_corpus/f3f0d99ac2962f8fddb25c65fb4c8c6eb63518a9
new file mode 100644
index 0000000000..9b0d16f3bf
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f3f0d99ac2962f8fddb25c65fb4c8c6eb63518a9
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c[)(?* ¤®@:
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f4628084cf46f139babb886a782b4ab5977d5d2e b/test/core/transport/chttp2/hpack_parser_corpus/f4628084cf46f139babb886a782b4ab5977d5d2e
new file mode 100644
index 0000000000..8926de3707
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f4628084cf46f139babb886a782b4ab5977d5d2e
@@ -0,0 +1 @@
+(?¤;[('¤ð!	(
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f4753e8881e4b3c71f2728149be7d04cc648f6a6 b/test/core/transport/chttp2/hpack_parser_corpus/f4753e8881e4b3c71f2728149be7d04cc648f6a6
new file mode 100644
index 0000000000..0c8d29083e
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f4753e8881e4b3c71f2728149be7d04cc648f6a6
@@ -0,0 +1 @@
+?* ¤®@Znð:(c	(;þ!(c!	;\	ÛäGý!ðcm:'
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f4d6ff635ae4fda497221da4bfa3e593df59a44e b/test/core/transport/chttp2/hpack_parser_corpus/f4d6ff635ae4fda497221da4bfa3e593df59a44e
new file mode 100644
index 0000000000..a7c841c10d
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f4d6ff635ae4fda497221da4bfa3e593df59a44e
@@ -0,0 +1 @@
+¤¤ð¤-b)n‹c[)(:* ¤®@1:
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f52f4d51aaaed0f9c3a20936cf5efd25d0692f67 b/test/core/transport/chttp2/hpack_parser_corpus/f52f4d51aaaed0f9c3a20936cf5efd25d0692f67
new file mode 100644
index 0000000000..1ab7be333a
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f52f4d51aaaed0f9c3a20936cf5efd25d0692f67
@@ -0,0 +1 @@
+¤pƒÛðð¤!ƒÛðTð*
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f7cf30724ab740918eee6e4a6b6658ae3d7706e8 b/test/core/transport/chttp2/hpack_parser_corpus/f7cf30724ab740918eee6e4a6b6658ae3d7706e8
new file mode 100644
index 0000000000..669e4a82f0
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f7cf30724ab740918eee6e4a6b6658ae3d7706e8
@@ -0,0 +1 @@
+¤c
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f823828ffd2a60efee36f1de52cb0f024ac5b4bb b/test/core/transport/chttp2/hpack_parser_corpus/f823828ffd2a60efee36f1de52cb0f024ac5b4bb
new file mode 100644
index 0000000000..0fee6875ef
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f823828ffd2a60efee36f1de52cb0f024ac5b4bb
@@ -0,0 +1 @@
+¤Ûð!ð	c'
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/f8760761bd5ab7b47376bfbc5a44e16b2d5ca800 b/test/core/transport/chttp2/hpack_parser_corpus/f8760761bd5ab7b47376bfbc5a44e16b2d5ca800
new file mode 100644
index 0000000000..667c24677c
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/f8760761bd5ab7b47376bfbc5a44e16b2d5ca800
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c[''(-'bin	!!?¤¤cÛð!
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74 b/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74
new file mode 100644
index 0000000000..67f84c5fbc
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fb15042c268625089ef6c8aa3d8a6f12d1d02c74
@@ -0,0 +1 @@
+ð[(!	ð(!\	!åGý:[(!'ð[(!!	ð[(!!	!åGý!åGýA)([(	!!å
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb b/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb
new file mode 100644
index 0000000000..99d90a032a
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fc3dd4292d6884a770199596f5e9cbc1e869e5fb
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8 b/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8
new file mode 100644
index 0000000000..c5005c7700
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fd34ec90fe8f9218fd25c3eac151aec998cff6d8
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836 b/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836
new file mode 100644
index 0000000000..fcae5ce55e
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fdf548cde981fab4fb17bd63a124b75eddc5c836
@@ -0,0 +1 @@
+¤¤ð¤-bin‹Ê!ð	c(?¤)['›ð!	c'(
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a b/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a
new file mode 100644
index 0000000000..4ed844aca1
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/fe47fb18b064e26479c3c3140082bd01065e897a
@@ -0,0 +1 @@
+(??�;[(¤('?¤
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170 b/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170
new file mode 100644
index 0000000000..e8e30c889e
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ff2097734bd7bb8451aece13c9336c4624735170
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de b/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de
new file mode 100644
index 0000000000..58337fbf9b
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de
@@ -0,0 +1 @@
+¤¤ð¤-bin‹c—*[)¤(-¤Ûð'ð!bƒcin	;!!
\ No newline at end of file
diff --git a/test/core/transport/chttp2/hpack_parser_fuzzer_test.c b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
new file mode 100644
index 0000000000..4a4472f552
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
+
+static void onhdr(void *ud, grpc_mdelem *md) { GRPC_MDELEM_UNREF(md); }
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  grpc_init();
+  grpc_chttp2_hpack_parser parser;
+  grpc_chttp2_hpack_parser_init(&parser);
+  parser.on_header = onhdr;
+  grpc_chttp2_hpack_parser_parse(&parser, data, data + size);
+  grpc_chttp2_hpack_parser_destroy(&parser);
+  grpc_shutdown();
+  return 0;
+}
diff --git a/test/core/transport/chttp2/hpack_parser_test.c b/test/core/transport/chttp2/hpack_parser_test.c
index 4456e197af..51bf48dc09 100644
--- a/test/core/transport/chttp2/hpack_parser_test.c
+++ b/test/core/transport/chttp2/hpack_parser_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_parser.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
 
 #include <stdarg.h>
 
diff --git a/test/core/transport/chttp2/hpack_table_test.c b/test/core/transport/chttp2/hpack_table_test.c
index 3c5f2e4e31..73e59f1536 100644
--- a/test/core/transport/chttp2/hpack_table_test.c
+++ b/test/core/transport/chttp2/hpack_table_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,17 @@
  *
  */
 
-#include "src/core/transport/chttp2/hpack_table.h"
+#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
 
-#include <string.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/transport/chttp2/status_conversion_test.c b/test/core/transport/chttp2/status_conversion_test.c
index e2729a0a19..e6fc785728 100644
--- a/test/core/transport/chttp2/status_conversion_test.c
+++ b/test/core/transport/chttp2/status_conversion_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/status_conversion.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/transport/chttp2/stream_map_test.c b/test/core/transport/chttp2/stream_map_test.c
index 527d2fe0ae..83d740a7c0 100644
--- a/test/core/transport/chttp2/stream_map_test.c
+++ b/test/core/transport/chttp2/stream_map_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/stream_map.h"
+#include "src/core/ext/transport/chttp2/transport/stream_map.h"
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/transport/chttp2/timeout_encoding_test.c b/test/core/transport/chttp2/timeout_encoding_test.c
index f0e8ec386f..67639936a7 100644
--- a/test/core/transport/chttp2/timeout_encoding_test.c
+++ b/test/core/transport/chttp2/timeout_encoding_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,16 +31,16 @@
  *
  */
 
-#include "src/core/transport/chttp2/timeout_encoding.h"
+#include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
 
 #include <stdio.h>
 #include <string.h>
 
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
@@ -93,7 +93,7 @@ static void assert_decodes_as(const char *buffer, gpr_timespec expected) {
 }
 
 void decode_suite(char ext,
-                  gpr_timespec (*answer)(long x, gpr_clock_type clock)) {
+                  gpr_timespec (*answer)(int64_t x, gpr_clock_type clock)) {
   long test_vals[] = {1,       12,       123,       1234,     12345,   123456,
                       1234567, 12345678, 123456789, 98765432, 9876543, 987654,
                       98765,   9876,     987,       98,       9};
@@ -128,11 +128,10 @@ void test_decoding(void) {
   decode_suite('H', gpr_time_from_hours);
   assert_decodes_as("1000000000S",
                     gpr_time_from_seconds(1000 * 1000 * 1000, GPR_TIMESPAN));
-  assert_decodes_as("1000000000000000000000u",
-                    gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("1000000001S", gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("2000000001S", gpr_inf_future(GPR_CLOCK_REALTIME));
-  assert_decodes_as("9999999999S", gpr_inf_future(GPR_CLOCK_REALTIME));
+  assert_decodes_as("1000000000000000000000u", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("1000000001S", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("2000000001S", gpr_inf_future(GPR_TIMESPAN));
+  assert_decodes_as("9999999999S", gpr_inf_future(GPR_TIMESPAN));
 }
 
 void test_decoding_fails(void) {
diff --git a/test/core/transport/chttp2/varint_test.c b/test/core/transport/chttp2/varint_test.c
index f06116a731..3552bf0c59 100644
--- a/test/core/transport/chttp2/varint_test.c
+++ b/test/core/transport/chttp2/varint_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/varint.h"
+#include "src/core/ext/transport/chttp2/transport/varint.h"
 
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
diff --git a/test/core/transport/connectivity_state_test.c b/test/core/transport/connectivity_state_test.c
index 4b2d0aa44a..6bb7c3b06b 100644
--- a/test/core/transport/connectivity_state_test.c
+++ b/test/core/transport/connectivity_state_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/lib/transport/connectivity_state.h"
 
 #include <string.h>
 
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index 928fba7f45..809fa875dd 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/metadata.h"
+#include "src/core/lib/transport/metadata.h"
 
 #include <stdio.h>
 
@@ -40,8 +40,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/tsi/transport_security_test.c b/test/core/tsi/transport_security_test.c
index 7ce343987b..01e8770b24 100644
--- a/test/core/tsi/transport_security_test.c
+++ b/test/core/tsi/transport_security_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/tsi/transport_security.h"
+#include "src/core/lib/tsi/transport_security.h"
 
 #include <string.h>
 
@@ -42,9 +42,9 @@
 
 #include <openssl/crypto.h>
 
-#include "src/core/support/string.h"
-#include "src/core/tsi/fake_transport_security.h"
-#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/tsi/fake_transport_security.h"
+#include "src/core/lib/tsi/ssl_transport_security.h"
 #include "test/core/util/test_config.h"
 
 typedef struct {
@@ -61,35 +61,37 @@ typedef struct {
      of '#' will be replaced with a null character before processing. */
   const char *dns_names;
 
+  /* Comma separated list of IP SANs to match aggainst */
+  const char *ip_names;
 } cert_name_test_entry;
 
 /* Largely inspired from:
    chromium/src/net/cert/x509_certificate_unittest.cc.
    TODO(jboeuf) uncomment test cases as we fix tsi_ssl_peer_matches_name. */
 const cert_name_test_entry cert_name_test_entries[] = {
-    {1, "foo.com", "foo.com", NULL},
-    {1, "f", "f", NULL},
-    {0, "h", "i", NULL},
-    {1, "bar.foo.com", "*.foo.com", NULL},
+    {1, "foo.com", "foo.com", NULL, NULL},
+    {1, "f", "f", NULL, NULL},
+    {0, "h", "i", NULL, NULL},
+    {1, "bar.foo.com", "*.foo.com", NULL, NULL},
     {1, "www.test.fr", "common.name",
-     "*.test.com,*.test.co.uk,*.test.de,*.test.fr"},
+     "*.test.com,*.test.co.uk,*.test.de,*.test.fr", NULL},
     /*
        {1, "wwW.tESt.fr", "common.name", ",*.*,*.test.de,*.test.FR,www"},
      */
-    {0, "f.uk", ".uk", NULL},
-    {0, "w.bar.foo.com", "?.bar.foo.com", NULL},
-    {0, "www.foo.com", "(www|ftp).foo.com", NULL},
-    {0, "www.foo.com", "www.foo.com#", NULL}, /* # = null char. */
-    {0, "www.foo.com", "", "www.foo.com#*.foo.com,#,#"},
-    {0, "www.house.example", "ww.house.example", NULL},
-    {0, "test.org", "", "www.test.org,*.test.org,*.org"},
-    {0, "w.bar.foo.com", "w*.bar.foo.com", NULL},
-    {0, "www.bar.foo.com", "ww*ww.bar.foo.com", NULL},
-    {0, "wwww.bar.foo.com", "ww*ww.bar.foo.com", NULL},
-    {0, "wwww.bar.foo.com", "w*w.bar.foo.com", NULL},
-    {0, "wwww.bar.foo.com", "w*w.bar.foo.c0m", NULL},
-    {0, "WALLY.bar.foo.com", "wa*.bar.foo.com", NULL},
-    {0, "wally.bar.foo.com", "*Ly.bar.foo.com", NULL},
+    {0, "f.uk", ".uk", NULL, NULL},
+    {0, "w.bar.foo.com", "?.bar.foo.com", NULL, NULL},
+    {0, "www.foo.com", "(www|ftp).foo.com", NULL, NULL},
+    {0, "www.foo.com", "www.foo.com#", NULL, NULL}, /* # = null char. */
+    {0, "www.foo.com", "", "www.foo.com#*.foo.com,#,#", NULL},
+    {0, "www.house.example", "ww.house.example", NULL, NULL},
+    {0, "test.org", "", "www.test.org,*.test.org,*.org", NULL},
+    {0, "w.bar.foo.com", "w*.bar.foo.com", NULL, NULL},
+    {0, "www.bar.foo.com", "ww*ww.bar.foo.com", NULL, NULL},
+    {0, "wwww.bar.foo.com", "ww*ww.bar.foo.com", NULL, NULL},
+    {0, "wwww.bar.foo.com", "w*w.bar.foo.com", NULL, NULL},
+    {0, "wwww.bar.foo.com", "w*w.bar.foo.c0m", NULL, NULL},
+    {0, "WALLY.bar.foo.com", "wa*.bar.foo.com", NULL, NULL},
+    {0, "wally.bar.foo.com", "*Ly.bar.foo.com", NULL, NULL},
     /*
        {1, "ww%57.foo.com", "", "www.foo.com"},
        {1, "www&.foo.com", "www%26.foo.com", NULL},
@@ -97,94 +99,108 @@ const cert_name_test_entry cert_name_test_entries[] = {
 
     /* Common name must not be used if subject alternative name was provided. */
     {0, "www.test.co.jp", "www.test.co.jp",
-     "*.test.de,*.jp,www.test.co.uk,www.*.co.jp"},
+     "*.test.de,*.jp,www.test.co.uk,www.*.co.jp", NULL},
     {0, "www.bar.foo.com", "www.bar.foo.com",
-     "*.foo.com,*.*.foo.com,*.*.bar.foo.com,*..bar.foo.com,"},
+     "*.foo.com,*.*.foo.com,*.*.bar.foo.com,*..bar.foo.com,", NULL},
 
     /* IDN tests */
-    {1, "xn--poema-9qae5a.com.br", "xn--poema-9qae5a.com.br", NULL},
-    {1, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br", NULL},
+    {1, "xn--poema-9qae5a.com.br", "xn--poema-9qae5a.com.br", NULL, NULL},
+    {1, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br", NULL, NULL},
     {0, "xn--poema-9qae5a.com.br", "",
      "*.xn--poema-9qae5a.com.br,"
      "xn--poema-*.com.br,"
      "xn--*-9qae5a.com.br,"
-     "*--poema-9qae5a.com.br"},
+     "*--poema-9qae5a.com.br",
+     NULL},
 
     /* The following are adapted from the  examples quoted from
        http://tools.ietf.org/html/rfc6125#section-6.4.3
        (e.g., *.example.com would match foo.example.com but
        not bar.foo.example.com or example.com). */
-    {1, "foo.example.com", "*.example.com", NULL},
-    {0, "bar.foo.example.com", "*.example.com", NULL},
-    {0, "example.com", "*.example.com", NULL},
+    {1, "foo.example.com", "*.example.com", NULL, NULL},
+    {0, "bar.foo.example.com", "*.example.com", NULL, NULL},
+    {0, "example.com", "*.example.com", NULL, NULL},
 
     /* Partial wildcards are disallowed, though RFC 2818 rules allow them.
        That is, forms such as baz*.example.net, *baz.example.net, and
        b*z.example.net should NOT match domains. Instead, the wildcard must
        always be the left-most label, and only a single label. */
-    {0, "baz1.example.net", "baz*.example.net", NULL},
-    {0, "foobaz.example.net", "*baz.example.net", NULL},
-    {0, "buzz.example.net", "b*z.example.net", NULL},
-    {0, "www.test.example.net", "www.*.example.net", NULL},
+    {0, "baz1.example.net", "baz*.example.net", NULL, NULL},
+    {0, "foobaz.example.net", "*baz.example.net", NULL, NULL},
+    {0, "buzz.example.net", "b*z.example.net", NULL, NULL},
+    {0, "www.test.example.net", "www.*.example.net", NULL, NULL},
 
     /* Wildcards should not be valid for public registry controlled domains,
        and unknown/unrecognized domains, at least three domain components must
        be present. */
-    {1, "www.test.example", "*.test.example", NULL},
-    {1, "test.example.co.uk", "*.example.co.uk", NULL},
-    {0, "test.example", "*.example", NULL},
+    {1, "www.test.example", "*.test.example", NULL, NULL},
+    {1, "test.example.co.uk", "*.example.co.uk", NULL, NULL},
+    {0, "test.example", "*.example", NULL, NULL},
     /*
        {0, "example.co.uk", "*.co.uk", NULL},
      */
-    {0, "foo.com", "*.com", NULL},
-    {0, "foo.us", "*.us", NULL},
-    {0, "foo", "*", NULL},
+    {0, "foo.com", "*.com", NULL, NULL},
+    {0, "foo.us", "*.us", NULL, NULL},
+    {0, "foo", "*", NULL, NULL},
 
     /* IDN variants of wildcards and registry controlled domains. */
-    {1, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br", NULL},
-    {1, "test.example.xn--mgbaam7a8h", "*.example.xn--mgbaam7a8h", NULL},
+    {1, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br", NULL, NULL},
+    {1, "test.example.xn--mgbaam7a8h", "*.example.xn--mgbaam7a8h", NULL, NULL},
     /*
        {0, "xn--poema-9qae5a.com.br", "*.com.br", NULL},
      */
-    {0, "example.xn--mgbaam7a8h", "*.xn--mgbaam7a8h", NULL},
+    {0, "example.xn--mgbaam7a8h", "*.xn--mgbaam7a8h", NULL, NULL},
 
     /* Wildcards should be permissible for 'private' registry controlled
        domains. */
-    {1, "www.appspot.com", "*.appspot.com", NULL},
-    {1, "foo.s3.amazonaws.com", "*.s3.amazonaws.com", NULL},
+    {1, "www.appspot.com", "*.appspot.com", NULL, NULL},
+    {1, "foo.s3.amazonaws.com", "*.s3.amazonaws.com", NULL, NULL},
 
     /* Multiple wildcards are not valid. */
-    {0, "foo.example.com", "*.*.com", NULL},
-    {0, "foo.bar.example.com", "*.bar.*.com", NULL},
+    {0, "foo.example.com", "*.*.com", NULL, NULL},
+    {0, "foo.bar.example.com", "*.bar.*.com", NULL, NULL},
 
     /* Absolute vs relative DNS name tests. Although not explicitly specified
        in RFC 6125, absolute reference names (those ending in a .) should
        match either absolute or relative presented names. */
-    {1, "foo.com", "foo.com.", NULL},
-    {1, "foo.com.", "foo.com", NULL},
-    {1, "foo.com.", "foo.com.", NULL},
-    {1, "f", "f.", NULL},
-    {1, "f.", "f", NULL},
-    {1, "f.", "f.", NULL},
-    {1, "www-3.bar.foo.com", "*.bar.foo.com.", NULL},
-    {1, "www-3.bar.foo.com.", "*.bar.foo.com", NULL},
-    {1, "www-3.bar.foo.com.", "*.bar.foo.com.", NULL},
-    {0, ".", ".", NULL},
-    {0, "example.com", "*.com.", NULL},
-    {0, "example.com.", "*.com", NULL},
-    {0, "example.com.", "*.com.", NULL},
-    {0, "foo.", "*.", NULL},
-    {0, "foo", "*.", NULL},
+    {1, "foo.com", "foo.com.", NULL, NULL},
+    {1, "foo.com.", "foo.com", NULL, NULL},
+    {1, "foo.com.", "foo.com.", NULL, NULL},
+    {1, "f", "f.", NULL, NULL},
+    {1, "f.", "f", NULL, NULL},
+    {1, "f.", "f.", NULL, NULL},
+    {1, "www-3.bar.foo.com", "*.bar.foo.com.", NULL, NULL},
+    {1, "www-3.bar.foo.com.", "*.bar.foo.com", NULL, NULL},
+    {1, "www-3.bar.foo.com.", "*.bar.foo.com.", NULL, NULL},
+    {0, ".", ".", NULL, NULL},
+    {0, "example.com", "*.com.", NULL, NULL},
+    {0, "example.com.", "*.com", NULL, NULL},
+    {0, "example.com.", "*.com.", NULL, NULL},
+    {0, "foo.", "*.", NULL, NULL},
+    {0, "foo", "*.", NULL, NULL},
     /*
        {0, "foo.co.uk", "*.co.uk.", NULL},
        {0, "foo.co.uk.", "*.co.uk.", NULL},
      */
 
     /* An empty CN is OK. */
-    {1, "test.foo.com", "", "test.foo.com"},
+    {1, "test.foo.com", "", "test.foo.com", NULL},
 
     /* An IP should not be used for the CN. */
-    {0, "173.194.195.139", "173.194.195.139", NULL},
+    {0, "173.194.195.139", "173.194.195.139", NULL, NULL},
+    /* An IP can be used if the SAN IP is present */
+    {1, "173.194.195.139", "foo.example.com", NULL, "173.194.195.139"},
+    {0, "173.194.195.139", "foo.example.com", NULL, "8.8.8.8"},
+    {0, "173.194.195.139", "foo.example.com", NULL, "8.8.8.8,8.8.4.4"},
+    {1, "173.194.195.139", "foo.example.com", NULL, "8.8.8.8,173.194.195.139"},
+    {0, "173.194.195.139", "foo.example.com", NULL, "173.194.195.13"},
+    {0, "2001:db8:a0b:12f0::1", "foo.example.com", NULL, "173.194.195.13"},
+    {1, "2001:db8:a0b:12f0::1", "foo.example.com", NULL,
+     "2001:db8:a0b:12f0::1"},
+    {0, "2001:db8:a0b:12f0::1", "foo.example.com", NULL,
+     "2001:db8:a0b:12f0::2"},
+    {1, "2001:db8:a0b:12f0::1", "foo.example.com", NULL,
+     "2001:db8:a0b:12f0::2,2001:db8:a0b:12f0::1,8.8.8.8"},
 };
 
 typedef struct name_list {
@@ -196,7 +212,7 @@ typedef struct {
   size_t name_count;
   char *buffer;
   name_list *names;
-} parsed_dns_names;
+} parsed_names;
 
 name_list *name_list_add(const char *n) {
   name_list *result = gpr_malloc(sizeof(name_list));
@@ -205,18 +221,18 @@ name_list *name_list_add(const char *n) {
   return result;
 }
 
-static parsed_dns_names parse_dns_names(const char *dns_names_str) {
-  parsed_dns_names result;
+static parsed_names parse_names(const char *names_str) {
+  parsed_names result;
   name_list *current_nl;
   size_t i;
-  memset(&result, 0, sizeof(parsed_dns_names));
-  if (dns_names_str == 0) return result;
+  memset(&result, 0, sizeof(parsed_names));
+  if (names_str == 0) return result;
   result.name_count = 1;
-  result.buffer = gpr_strdup(dns_names_str);
+  result.buffer = gpr_strdup(names_str);
   result.names = name_list_add(result.buffer);
   current_nl = result.names;
-  for (i = 0; i < strlen(dns_names_str); i++) {
-    if (dns_names_str[i] == ',') {
+  for (i = 0; i < strlen(names_str); i++) {
+    if (names_str[i] == ',') {
       result.buffer[i] = '\0';
       result.name_count++;
       i++;
@@ -227,7 +243,7 @@ static parsed_dns_names parse_dns_names(const char *dns_names_str) {
   return result;
 }
 
-static void destruct_parsed_dns_names(parsed_dns_names *pdn) {
+static void destruct_parsed_names(parsed_names *pdn) {
   name_list *nl = pdn->names;
   if (pdn->buffer != NULL) gpr_free(pdn->buffer);
   while (nl != NULL) {
@@ -237,8 +253,8 @@ static void destruct_parsed_dns_names(parsed_dns_names *pdn) {
   }
 }
 
-static char *processed_dns_name(const char *dns_name) {
-  char *result = gpr_strdup(dns_name);
+static char *processed_name(const char *name) {
+  char *result = gpr_strdup(name);
   size_t i;
   for (i = 0; i < strlen(result); i++) {
     if (result[i] == '#') {
@@ -253,31 +269,48 @@ static tsi_peer peer_from_cert_name_test_entry(
   size_t i;
   tsi_peer peer;
   name_list *nl;
-  parsed_dns_names dns_entries = parse_dns_names(entry->dns_names);
+  parsed_names dns_entries = parse_names(entry->dns_names);
+  parsed_names ip_entries = parse_names(entry->ip_names);
   nl = dns_entries.names;
-  GPR_ASSERT(tsi_construct_peer(1 + dns_entries.name_count, &peer) == TSI_OK);
+  GPR_ASSERT(tsi_construct_peer(
+                 1 + dns_entries.name_count + ip_entries.name_count, &peer) ==
+             TSI_OK);
   GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
                  TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, entry->common_name,
                  &peer.properties[0]) == TSI_OK);
   i = 1;
   while (nl != NULL) {
-    char *processed = processed_dns_name(nl->name);
+    char *processed = processed_name(nl->name);
     GPR_ASSERT(tsi_construct_string_peer_property(
                    TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, processed,
                    strlen(nl->name), &peer.properties[i++]) == TSI_OK);
     nl = nl->next;
     gpr_free(processed);
   }
-  destruct_parsed_dns_names(&dns_entries);
+
+  nl = ip_entries.names;
+  while (nl != NULL) {
+    char *processed = processed_name(nl->name);
+    GPR_ASSERT(tsi_construct_string_peer_property(
+                   TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, processed,
+                   strlen(nl->name), &peer.properties[i++]) == TSI_OK);
+    nl = nl->next;
+    gpr_free(processed);
+  }
+  destruct_parsed_names(&dns_entries);
+  destruct_parsed_names(&ip_entries);
   return peer;
 }
 
 char *cert_name_test_entry_to_string(const cert_name_test_entry *entry) {
   char *s;
-  gpr_asprintf(
-      &s, "{ success = %s, host_name = %s, common_name = %s, dns_names = %s}",
-      entry->expected ? "true" : "false", entry->host_name, entry->common_name,
-      entry->dns_names != NULL ? entry->dns_names : "");
+  gpr_asprintf(&s,
+               "{ success = %s, host_name = %s, common_name = %s, dns_names = "
+               "%s, ip_names = %s}",
+               entry->expected ? "true" : "false", entry->host_name,
+               entry->common_name,
+               entry->dns_names != NULL ? entry->dns_names : "",
+               entry->ip_names != NULL ? entry->ip_names : "");
   return s;
 }
 
diff --git a/test/core/util/one_corpus_entry_fuzzer.c b/test/core/util/one_corpus_entry_fuzzer.c
new file mode 100644
index 0000000000..41f9558211
--- /dev/null
+++ b/test/core/util/one_corpus_entry_fuzzer.c
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/log.h>
+#include "src/core/lib/support/load_file.h"
+
+extern int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
+
+int main(int argc, char **argv) {
+  int ok = 0;
+  gpr_slice buffer = gpr_load_file(argv[1], 0, &ok);
+  GPR_ASSERT(ok);
+  LLVMFuzzerTestOneInput(GPR_SLICE_START_PTR(buffer), GPR_SLICE_LENGTH(buffer));
+  gpr_slice_unref(buffer);
+  return 0;
+}
diff --git a/test/core/util/port_posix.c b/test/core/util/port_posix.c
index 4b31f810e5..eabd62fafc 100644
--- a/test/core/util/port_posix.c
+++ b/test/core/util/port_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,6 @@
 #include "test/core/util/port.h"
 
 #include <errno.h>
-#include <math.h>
 #include <netinet/in.h>
 #include <stdio.h>
 #include <string.h>
@@ -50,8 +49,9 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/support/env.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port_server_client.h"
 
 #define NUM_RANDOM_PORTS_TO_PICK 100
 
@@ -68,72 +68,12 @@ static int has_port_been_chosen(int port) {
   return 0;
 }
 
-typedef struct freereq {
-  grpc_pollset pollset;
-  int done;
-} freereq;
-
-static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
-                                         bool success) {
-  grpc_pollset_destroy(p);
-  grpc_shutdown();
-}
-
-static void freed_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                   const grpc_httpcli_response *response) {
-  freereq *pr = arg;
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr->pollset));
-  pr->done = 1;
-  grpc_pollset_kick(&pr->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr->pollset));
-}
-
-static void free_port_using_server(char *server, int port) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  freereq pr;
-  char *path;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure shutdown_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-  grpc_pollset_init(&pr.pollset);
-  grpc_closure_init(&shutdown_closure, destroy_pollset_and_shutdown,
-                    &pr.pollset);
-
-  req.host = server;
-  gpr_asprintf(&path, "/drop/%d", port);
-  req.path = path;
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, &pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), freed_port_from_server,
-                   &pr);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
-  while (!pr.done) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-  }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_exec_ctx_finish(&exec_ctx);
-  grpc_pollset_shutdown(&exec_ctx, &pr.pollset, &shutdown_closure);
-  grpc_exec_ctx_finish(&exec_ctx);
-  gpr_free(path);
-}
-
-static void free_chosen_ports() {
+static void free_chosen_ports(void) {
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env != NULL) {
     size_t i;
     for (i = 0; i < num_chosen_ports; i++) {
-      free_port_using_server(env, chosen_ports[i]);
+      grpc_free_port_using_server(env, chosen_ports[i]);
     }
     gpr_free(env);
   }
@@ -201,99 +141,6 @@ static int is_port_available(int *port, int is_tcp) {
   return 1;
 }
 
-typedef struct portreq {
-  grpc_pollset pollset;
-  int port;
-  int retries;
-  char *server;
-  grpc_httpcli_context *ctx;
-} portreq;
-
-static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                 const grpc_httpcli_response *response) {
-  size_t i;
-  int port = 0;
-  portreq *pr = arg;
-  int failed = 0;
-
-  if (!response) {
-    failed = 1;
-    gpr_log(GPR_DEBUG,
-            "failed port pick from server: retrying [response=NULL]");
-  } else if (response->status != 200) {
-    failed = 1;
-    gpr_log(GPR_DEBUG, "failed port pick from server: status=%d",
-            response->status);
-  }
-
-  if (failed) {
-    grpc_httpcli_request req;
-    memset(&req, 0, sizeof(req));
-    GPR_ASSERT(pr->retries < 10);
-    sleep(1 + (unsigned)(pow(1.3, pr->retries) * rand() / RAND_MAX));
-    pr->retries++;
-    req.host = pr->server;
-    req.path = "/get";
-    grpc_httpcli_get(exec_ctx, pr->ctx, &pr->pollset, &req,
-                     GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                     pr);
-    return;
-  }
-  GPR_ASSERT(response);
-  GPR_ASSERT(response->status == 200);
-  for (i = 0; i < response->body_length; i++) {
-    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
-    port = port * 10 + response->body[i] - '0';
-  }
-  GPR_ASSERT(port > 1024);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr->pollset));
-  pr->port = port;
-  grpc_pollset_kick(&pr->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr->pollset));
-}
-
-static int pick_port_using_server(char *server) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  portreq pr;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure shutdown_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-  grpc_pollset_init(&pr.pollset);
-  grpc_closure_init(&shutdown_closure, destroy_pollset_and_shutdown,
-                    &pr.pollset);
-  pr.port = -1;
-  pr.server = server;
-  pr.ctx = &context;
-
-  req.host = server;
-  req.path = "/get";
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, &pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                   &pr);
-  grpc_exec_ctx_finish(&exec_ctx);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
-  while (pr.port == -1) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-  }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_pollset_shutdown(&exec_ctx, &pr.pollset, &shutdown_closure);
-  grpc_exec_ctx_finish(&exec_ctx);
-
-  return pr.port;
-}
-
 int grpc_pick_unused_port(void) {
   /* We repeatedly pick a port and then see whether or not it is
      available for use both as a TCP socket and a UDP socket.  First, we
@@ -313,7 +160,7 @@ int grpc_pick_unused_port(void) {
 
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env) {
-    int port = pick_port_using_server(env);
+    int port = grpc_pick_port_using_server(env);
     gpr_free(env);
     if (port != 0) {
       chose_port(port);
diff --git a/test/core/util/port_server_client.c b/test/core/util/port_server_client.c
new file mode 100644
index 0000000000..84e90547aa
--- /dev/null
+++ b/test/core/util/port_server_client.c
@@ -0,0 +1,215 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+#include "test/core/util/test_config.h"
+
+#ifdef GRPC_TEST_PICK_PORT
+#include "test/core/util/port_server_client.h"
+
+#include <math.h>
+#include <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/time.h>
+
+#include "src/core/lib/http/httpcli.h"
+
+typedef struct freereq {
+  gpr_mu *mu;
+  grpc_pollset *pollset;
+  int done;
+} freereq;
+
+static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
+                                         bool success) {
+  grpc_pollset_destroy(p);
+  gpr_free(p);
+  grpc_shutdown();
+}
+
+static void freed_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
+                                   const grpc_httpcli_response *response) {
+  freereq *pr = arg;
+  gpr_mu_lock(pr->mu);
+  pr->done = 1;
+  grpc_pollset_kick(pr->pollset, NULL);
+  gpr_mu_unlock(pr->mu);
+}
+
+void grpc_free_port_using_server(char *server, int port) {
+  grpc_httpcli_context context;
+  grpc_httpcli_request req;
+  freereq pr;
+  char *path;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_closure *shutdown_closure;
+
+  grpc_init();
+
+  memset(&pr, 0, sizeof(pr));
+  memset(&req, 0, sizeof(req));
+
+  pr.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(pr.pollset, &pr.mu);
+  shutdown_closure =
+      grpc_closure_create(destroy_pollset_and_shutdown, pr.pollset);
+
+  req.host = server;
+  gpr_asprintf(&path, "/drop/%d", port);
+  req.http.path = path;
+
+  grpc_httpcli_context_init(&context);
+  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
+                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), freed_port_from_server,
+                   &pr);
+  gpr_mu_lock(pr.mu);
+  while (!pr.done) {
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
+                      gpr_now(GPR_CLOCK_MONOTONIC),
+                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
+  }
+  gpr_mu_unlock(pr.mu);
+
+  grpc_httpcli_context_destroy(&context);
+  grpc_exec_ctx_finish(&exec_ctx);
+  grpc_pollset_shutdown(&exec_ctx, pr.pollset, shutdown_closure);
+  grpc_exec_ctx_finish(&exec_ctx);
+  gpr_free(path);
+}
+
+typedef struct portreq {
+  gpr_mu *mu;
+  grpc_pollset *pollset;
+  int port;
+  int retries;
+  char *server;
+  grpc_httpcli_context *ctx;
+} portreq;
+
+static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
+                                 const grpc_httpcli_response *response) {
+  size_t i;
+  int port = 0;
+  portreq *pr = arg;
+  int failed = 0;
+
+  if (!response) {
+    failed = 1;
+    gpr_log(GPR_DEBUG,
+            "failed port pick from server: retrying [response=NULL]");
+  } else if (response->status != 200) {
+    failed = 1;
+    gpr_log(GPR_DEBUG, "failed port pick from server: status=%d",
+            response->status);
+  }
+
+  if (failed) {
+    grpc_httpcli_request req;
+    memset(&req, 0, sizeof(req));
+    GPR_ASSERT(pr->retries < 10);
+    gpr_sleep_until(gpr_time_add(
+        gpr_now(GPR_CLOCK_REALTIME),
+        gpr_time_from_millis(
+            (int64_t)(1000.0 * (1 + pow(1.3, pr->retries) * rand() / RAND_MAX)),
+            GPR_TIMESPAN)));
+    pr->retries++;
+    req.host = pr->server;
+    req.http.path = "/get";
+    grpc_httpcli_get(exec_ctx, pr->ctx, pr->pollset, &req,
+                     GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
+                     pr);
+    return;
+  }
+  GPR_ASSERT(response);
+  GPR_ASSERT(response->status == 200);
+  for (i = 0; i < response->body_length; i++) {
+    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
+    port = port * 10 + response->body[i] - '0';
+  }
+  GPR_ASSERT(port > 1024);
+  gpr_mu_lock(pr->mu);
+  pr->port = port;
+  grpc_pollset_kick(pr->pollset, NULL);
+  gpr_mu_unlock(pr->mu);
+}
+
+int grpc_pick_port_using_server(char *server) {
+  grpc_httpcli_context context;
+  grpc_httpcli_request req;
+  portreq pr;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_closure *shutdown_closure;
+
+  grpc_init();
+
+  memset(&pr, 0, sizeof(pr));
+  memset(&req, 0, sizeof(req));
+  pr.pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(pr.pollset, &pr.mu);
+  shutdown_closure =
+      grpc_closure_create(destroy_pollset_and_shutdown, pr.pollset);
+  pr.port = -1;
+  pr.server = server;
+  pr.ctx = &context;
+
+  req.host = server;
+  req.http.path = "/get";
+
+  grpc_httpcli_context_init(&context);
+  grpc_httpcli_get(&exec_ctx, &context, pr.pollset, &req,
+                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
+                   &pr);
+  grpc_exec_ctx_finish(&exec_ctx);
+  gpr_mu_lock(pr.mu);
+  while (pr.port == -1) {
+    grpc_pollset_worker *worker = NULL;
+    grpc_pollset_work(&exec_ctx, pr.pollset, &worker,
+                      gpr_now(GPR_CLOCK_MONOTONIC),
+                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
+  }
+  gpr_mu_unlock(pr.mu);
+
+  grpc_httpcli_context_destroy(&context);
+  grpc_pollset_shutdown(&exec_ctx, pr.pollset, shutdown_closure);
+  grpc_exec_ctx_finish(&exec_ctx);
+
+  return pr.port;
+}
+
+#endif  // GRPC_TEST_PICK_PORT
diff --git a/test/core/util/port_server_client.h b/test/core/util/port_server_client.h
new file mode 100644
index 0000000000..437006495c
--- /dev/null
+++ b/test/core/util/port_server_client.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
+#define GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
+
+// C interface to port_server.py
+
+int grpc_pick_port_using_server(char *server);
+void grpc_free_port_using_server(char *server, int port);
+
+#endif  // GRPC_TEST_CORE_UTIL_PORT_SERVER_CLIENT_H
diff --git a/test/core/util/port_windows.c b/test/core/util/port_windows.c
index 85d7c0ce07..2b6d3dd223 100644
--- a/test/core/util/port_windows.c
+++ b/test/core/util/port_windows.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,18 +37,19 @@
 
 #include "test/core/util/port.h"
 
+#include <errno.h>
 #include <process.h>
 #include <stdio.h>
-#include <errno.h>
 #include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/support/env.h"
-#include "src/core/httpcli/httpcli.h"
-#include "src/core/iomgr/sockaddr_utils.h"
+#include "src/core/lib/http/httpcli.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port_server_client.h"
 
 #define NUM_RANDOM_PORTS_TO_PICK 100
 
@@ -65,7 +66,18 @@ static int has_port_been_chosen(int port) {
   return 0;
 }
 
-static void free_chosen_ports(void) { gpr_free(chosen_ports); }
+static void free_chosen_ports(void) {
+  char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
+  if (env != NULL) {
+    size_t i;
+    for (i = 0; i < num_chosen_ports; i++) {
+      grpc_free_port_using_server(env, chosen_ports[i]);
+    }
+    gpr_free(env);
+  }
+
+  gpr_free(chosen_ports);
+}
 
 static void chose_port(int port) {
   if (chosen_ports == NULL) {
@@ -128,77 +140,6 @@ static int is_port_available(int *port, int is_tcp) {
   return 1;
 }
 
-typedef struct portreq {
-  grpc_pollset pollset;
-  int port;
-} portreq;
-
-static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
-                                 const grpc_httpcli_response *response) {
-  size_t i;
-  int port = 0;
-  portreq *pr = arg;
-  GPR_ASSERT(response);
-  GPR_ASSERT(response->status == 200);
-  for (i = 0; i < response->body_length; i++) {
-    GPR_ASSERT(response->body[i] >= '0' && response->body[i] <= '9');
-    port = port * 10 + response->body[i] - '0';
-  }
-  GPR_ASSERT(port > 1024);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr->pollset));
-  pr->port = port;
-  grpc_pollset_kick(&pr->pollset, NULL);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr->pollset));
-}
-
-static void destroy_pollset_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
-                                         bool success) {
-  grpc_pollset_destroy(p);
-  grpc_shutdown();
-}
-
-static int pick_port_using_server(char *server) {
-  grpc_httpcli_context context;
-  grpc_httpcli_request req;
-  portreq pr;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure destroy_pollset_closure;
-
-  grpc_init();
-
-  memset(&pr, 0, sizeof(pr));
-  memset(&req, 0, sizeof(req));
-  grpc_pollset_init(&pr.pollset);
-  pr.port = -1;
-
-  req.host = server;
-  req.path = "/get";
-
-  grpc_httpcli_context_init(&context);
-  grpc_httpcli_get(&exec_ctx, &context, &pr.pollset, &req,
-                   GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10), got_port_from_server,
-                   &pr);
-  gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
-  while (pr.port == -1) {
-    grpc_pollset_worker worker;
-    grpc_pollset_work(&exec_ctx, &pr.pollset, &worker,
-                      gpr_now(GPR_CLOCK_MONOTONIC),
-                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
-    gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));
-    grpc_exec_ctx_flush(&exec_ctx);
-    gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
-  }
-  gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));
-
-  grpc_httpcli_context_destroy(&context);
-  grpc_closure_init(&destroy_pollset_closure, destroy_pollset_and_shutdown,
-                    &pr.pollset);
-  grpc_pollset_shutdown(&exec_ctx, &pr.pollset, &destroy_pollset_closure);
-
-  grpc_exec_ctx_finish(&exec_ctx);
-  return pr.port;
-}
-
 int grpc_pick_unused_port(void) {
   /* We repeatedly pick a port and then see whether or not it is
      available for use both as a TCP socket and a UDP socket.  First, we
@@ -218,7 +159,7 @@ int grpc_pick_unused_port(void) {
 
   char *env = gpr_getenv("GRPC_TEST_PORT_SERVER");
   if (env) {
-    int port = pick_port_using_server(env);
+    int port = grpc_pick_port_using_server(env);
     gpr_free(env);
     if (port != 0) {
       return port;
diff --git a/test/core/util/reconnect_server.c b/test/core/util/reconnect_server.c
index 57225aa8a3..d408374a09 100644
--- a/test/core/util/reconnect_server.c
+++ b/test/core/util/reconnect_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,9 +40,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 #include <string.h>
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_tcp_server.h"
 
@@ -60,8 +60,12 @@ static void pretty_print_backoffs(reconnect_server *server) {
             i, backoff / 1000.0, expected_backoff / 1000.0,
             (backoff - expected_backoff) * 100.0 / expected_backoff);
     expected_backoff *= 1.6;
-    if (expected_backoff > 120 * 1000) {
-      expected_backoff = 120 * 1000;
+    int max_reconnect_backoff_ms = 120 * 1000;
+    if (server->max_reconnect_backoff_ms > 0) {
+      max_reconnect_backoff_ms = server->max_reconnect_backoff_ms;
+    }
+    if (expected_backoff > max_reconnect_backoff_ms) {
+      expected_backoff = max_reconnect_backoff_ms;
     }
   }
 }
@@ -108,6 +112,7 @@ void reconnect_server_init(reconnect_server *server) {
   server->head = NULL;
   server->tail = NULL;
   server->peer = NULL;
+  server->max_reconnect_backoff_ms = 0;
 }
 
 void reconnect_server_start(reconnect_server *server, int port) {
diff --git a/test/core/util/reconnect_server.h b/test/core/util/reconnect_server.h
index e2e6a02461..ed02d49512 100644
--- a/test/core/util/reconnect_server.h
+++ b/test/core/util/reconnect_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,6 +52,7 @@ typedef struct reconnect_server {
   timestamp_list *head;
   timestamp_list *tail;
   char *peer;
+  int max_reconnect_backoff_ms;
 } reconnect_server;
 
 void reconnect_server_init(reconnect_server *server);
diff --git a/test/core/util/test_config.c b/test/core/util/test_config.c
index 14bfc957cb..3155a4ece6 100644
--- a/test/core/util/test_config.c
+++ b/test/core/util/test_config.c
@@ -33,11 +33,13 @@
 
 #include "test/core/util/test_config.h"
 
-#include <grpc/support/port_platform.h>
 #include <grpc/support/log.h>
-#include "src/core/support/string.h"
-#include <stdlib.h>
+#include <grpc/support/port_platform.h>
 #include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "src/core/lib/support/string.h"
 
 double g_fixture_slowdown_factor = 1.0;
 
@@ -52,14 +54,127 @@ static unsigned seed(void) { return _getpid(); }
 #endif
 
 #if GPR_WINDOWS_CRASH_HANDLER
-LONG crash_handler(struct _EXCEPTION_POINTERS *ex_info) {
-  gpr_log(GPR_DEBUG, "Exception handler called, dumping information");
-  while (ex_info->ExceptionRecord) {
-    DWORD code = ex_info->ExceptionRecord->ExceptionCode;
-    DWORD flgs = ex_info->ExceptionRecord->ExceptionFlags;
-    PVOID addr = ex_info->ExceptionRecord->ExceptionAddress;
-    gpr_log("code: %x - flags: %d - address: %p", code, flgs, addr);
-    ex_info->ExceptionRecord = ex_info->ExceptionRecord->ExceptionRecord;
+#include <windows.h>
+
+#include <tchar.h>
+
+// disable warning 4091 - dbghelp.h is broken for msvc2015
+#pragma warning(disable : 4091)
+#define DBGHELP_TRANSLATE_TCHAR
+#include <dbghelp.h>
+
+#ifdef _MSC_VER
+#pragma comment(lib, "dbghelp.lib")
+#endif
+
+static void print_current_stack() {
+  typedef USHORT(WINAPI * CaptureStackBackTraceType)(
+      __in ULONG, __in ULONG, __out PVOID *, __out_opt PULONG);
+  CaptureStackBackTraceType func = (CaptureStackBackTraceType)(GetProcAddress(
+      LoadLibrary(_T("kernel32.dll")), "RtlCaptureStackBackTrace"));
+
+  if (func == NULL) return;  // WOE 29.SEP.2010
+
+// Quote from Microsoft Documentation:
+// ## Windows Server 2003 and Windows XP:
+// ## The sum of the FramesToSkip and FramesToCapture parameters must be less
+// than 63.
+#define MAX_CALLERS 62
+
+  void *callers_stack[MAX_CALLERS];
+  unsigned short frames;
+  SYMBOL_INFOW *symbol;
+  HANDLE process;
+  process = GetCurrentProcess();
+  SymInitialize(process, NULL, TRUE);
+  frames = (func)(0, MAX_CALLERS, callers_stack, NULL);
+  symbol =
+      (SYMBOL_INFOW *)calloc(sizeof(SYMBOL_INFOW) + 256 * sizeof(wchar_t), 1);
+  symbol->MaxNameLen = 255;
+  symbol->SizeOfStruct = sizeof(SYMBOL_INFOW);
+
+  const unsigned short MAX_CALLERS_SHOWN = 32;
+  frames = frames < MAX_CALLERS_SHOWN ? frames : MAX_CALLERS_SHOWN;
+  for (unsigned int i = 0; i < frames; i++) {
+    SymFromAddrW(process, (DWORD64)(callers_stack[i]), 0, symbol);
+    fwprintf(stderr, L"*** %d: %016I64X %ls - %016I64X\n", i,
+             (DWORD64)callers_stack[i], symbol->Name, (DWORD64)symbol->Address);
+    fflush(stderr);
+  }
+
+  free(symbol);
+}
+
+static void print_stack_from_context(CONTEXT c) {
+  STACKFRAME s;  // in/out stackframe
+  memset(&s, 0, sizeof(s));
+  DWORD imageType;
+#ifdef _M_IX86
+  // normally, call ImageNtHeader() and use machine info from PE header
+  imageType = IMAGE_FILE_MACHINE_I386;
+  s.AddrPC.Offset = c.Eip;
+  s.AddrPC.Mode = AddrModeFlat;
+  s.AddrFrame.Offset = c.Ebp;
+  s.AddrFrame.Mode = AddrModeFlat;
+  s.AddrStack.Offset = c.Esp;
+  s.AddrStack.Mode = AddrModeFlat;
+#elif _M_X64
+  imageType = IMAGE_FILE_MACHINE_AMD64;
+  s.AddrPC.Offset = c.Rip;
+  s.AddrPC.Mode = AddrModeFlat;
+  s.AddrFrame.Offset = c.Rsp;
+  s.AddrFrame.Mode = AddrModeFlat;
+  s.AddrStack.Offset = c.Rsp;
+  s.AddrStack.Mode = AddrModeFlat;
+#elif _M_IA64
+  imageType = IMAGE_FILE_MACHINE_IA64;
+  s.AddrPC.Offset = c.StIIP;
+  s.AddrPC.Mode = AddrModeFlat;
+  s.AddrFrame.Offset = c.IntSp;
+  s.AddrFrame.Mode = AddrModeFlat;
+  s.AddrBStore.Offset = c.RsBSP;
+  s.AddrBStore.Mode = AddrModeFlat;
+  s.AddrStack.Offset = c.IntSp;
+  s.AddrStack.Mode = AddrModeFlat;
+#else
+#error "Platform not supported!"
+#endif
+
+  HANDLE process = GetCurrentProcess();
+  HANDLE thread = GetCurrentThread();
+
+  SYMBOL_INFOW *symbol =
+      (SYMBOL_INFOW *)calloc(sizeof(SYMBOL_INFOW) + 256 * sizeof(wchar_t), 1);
+  symbol->MaxNameLen = 255;
+  symbol->SizeOfStruct = sizeof(SYMBOL_INFOW);
+
+  while (StackWalk(imageType, process, thread, &s, &c, 0,
+                   SymFunctionTableAccess, SymGetModuleBase, 0)) {
+    BOOL has_symbol =
+        SymFromAddrW(process, (DWORD64)(s.AddrPC.Offset), 0, symbol);
+    fwprintf(
+        stderr, L"*** %016I64X %ls - %016I64X\n", (DWORD64)(s.AddrPC.Offset),
+        has_symbol ? symbol->Name : L"<<no symbol>>", (DWORD64)symbol->Address);
+    fflush(stderr);
+  }
+
+  free(symbol);
+}
+
+static LONG crash_handler(struct _EXCEPTION_POINTERS *ex_info) {
+  fprintf(stderr, "Exception handler called, dumping information\n");
+  bool try_to_print_stack = true;
+  PEXCEPTION_RECORD exrec = ex_info->ExceptionRecord;
+  while (exrec) {
+    DWORD code = exrec->ExceptionCode;
+    DWORD flgs = exrec->ExceptionFlags;
+    PVOID addr = exrec->ExceptionAddress;
+    if (code == EXCEPTION_STACK_OVERFLOW) try_to_print_stack = false;
+    fprintf(stderr, "code: %x - flags: %d - address: %p\n", code, flgs, addr);
+    exrec = exrec->ExceptionRecord;
+  }
+  if (try_to_print_stack) {
+    print_stack_from_context(*ex_info->ContextRecord);
   }
   if (IsDebuggerPresent()) {
     __debugbreak();
@@ -69,8 +184,9 @@ LONG crash_handler(struct _EXCEPTION_POINTERS *ex_info) {
   return EXCEPTION_EXECUTE_HANDLER;
 }
 
-void abort_handler(int sig) {
-  gpr_log(GPR_DEBUG, "Abort handler called.");
+static void abort_handler(int sig) {
+  fprintf(stderr, "Abort handler called.\n");
+  print_current_stack(NULL);
   if (IsDebuggerPresent()) {
     __debugbreak();
   } else {
@@ -79,17 +195,20 @@ void abort_handler(int sig) {
 }
 
 static void install_crash_handler() {
+  if (!SymInitialize(GetCurrentProcess(), NULL, TRUE)) {
+    fprintf(stderr, "SymInitialize failed: %d\n", GetLastError());
+  }
   SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)crash_handler);
   _set_abort_behavior(0, _WRITE_ABORT_MSG);
   _set_abort_behavior(0, _CALL_REPORTFAULT);
   signal(SIGABRT, abort_handler);
 }
 #elif GPR_POSIX_CRASH_HANDLER
+#include <errno.h>
 #include <execinfo.h>
+#include <grpc/support/useful.h>
 #include <stdio.h>
 #include <string.h>
-#include <grpc/support/useful.h>
-#include <errno.h>
 
 static char g_alt_stack[MINSIGSTKSZ];
 
diff --git a/test/core/util/test_config.h b/test/core/util/test_config.h
index 15b71747fb..76686f1c51 100644
--- a/test/core/util/test_config.h
+++ b/test/core/util/test_config.h
@@ -54,16 +54,16 @@ extern double g_fixture_slowdown_factor;
   (GRPC_TEST_SLOWDOWN_BUILD_FACTOR * GRPC_TEST_SLOWDOWN_MACHINE_FACTOR * \
    g_fixture_slowdown_factor)
 
-#define GRPC_TIMEOUT_SECONDS_TO_DEADLINE(x)                               \
-  gpr_time_add(                                                           \
-      gpr_now(GPR_CLOCK_MONOTONIC),                                       \
-      gpr_time_from_millis((long)(GRPC_TEST_SLOWDOWN_FACTOR * 1e3 * (x)), \
+#define GRPC_TIMEOUT_SECONDS_TO_DEADLINE(x)                                  \
+  gpr_time_add(                                                              \
+      gpr_now(GPR_CLOCK_MONOTONIC),                                          \
+      gpr_time_from_millis((int64_t)(GRPC_TEST_SLOWDOWN_FACTOR * 1e3 * (x)), \
                            GPR_TIMESPAN))
 
-#define GRPC_TIMEOUT_MILLIS_TO_DEADLINE(x)                                \
-  gpr_time_add(                                                           \
-      gpr_now(GPR_CLOCK_MONOTONIC),                                       \
-      gpr_time_from_micros((long)(GRPC_TEST_SLOWDOWN_FACTOR * 1e3 * (x)), \
+#define GRPC_TIMEOUT_MILLIS_TO_DEADLINE(x)                                   \
+  gpr_time_add(                                                              \
+      gpr_now(GPR_CLOCK_MONOTONIC),                                          \
+      gpr_time_from_micros((int64_t)(GRPC_TEST_SLOWDOWN_FACTOR * 1e3 * (x)), \
                            GPR_TIMESPAN))
 
 #ifndef GRPC_TEST_CUSTOM_PICK_PORT
diff --git a/test/core/util/test_tcp_server.c b/test/core/util/test_tcp_server.c
index 66470c0288..e39a95712c 100644
--- a/test/core/util/test_tcp_server.c
+++ b/test/core/util/test_tcp_server.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,9 +40,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
 #include <string.h>
-#include "src/core/iomgr/endpoint.h"
-#include "src/core/iomgr/sockaddr.h"
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/endpoint.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 #include "test/core/util/port.h"
 
 static void on_server_destroyed(grpc_exec_ctx *exec_ctx, void *data,
@@ -57,8 +57,8 @@ void test_tcp_server_init(test_tcp_server *server,
   server->tcp_server = NULL;
   grpc_closure_init(&server->shutdown_complete, on_server_destroyed, server);
   server->shutdown = 0;
-  grpc_pollset_init(&server->pollset);
-  server->pollsets[0] = &server->pollset;
+  server->pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(server->pollset, &server->mu);
   server->on_connect = on_connect;
   server->cb_data = user_data;
 }
@@ -77,7 +77,7 @@ void test_tcp_server_start(test_tcp_server *server, int port) {
       grpc_tcp_server_add_port(server->tcp_server, &addr, sizeof(addr));
   GPR_ASSERT(port_added == port);
 
-  grpc_tcp_server_start(&exec_ctx, server->tcp_server, server->pollsets, 1,
+  grpc_tcp_server_start(&exec_ctx, server->tcp_server, &server->pollset, 1,
                         server->on_connect, server->cb_data);
   gpr_log(GPR_INFO, "test tcp server listening on 0.0.0.0:%d", port);
 
@@ -85,15 +85,15 @@ void test_tcp_server_start(test_tcp_server *server, int port) {
 }
 
 void test_tcp_server_poll(test_tcp_server *server, int seconds) {
-  grpc_pollset_worker worker;
+  grpc_pollset_worker *worker = NULL;
   gpr_timespec deadline =
       gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
                    gpr_time_from_seconds(seconds, GPR_TIMESPAN));
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  gpr_mu_lock(GRPC_POLLSET_MU(&server->pollset));
-  grpc_pollset_work(&exec_ctx, &server->pollset, &worker,
+  gpr_mu_lock(server->mu);
+  grpc_pollset_work(&exec_ctx, server->pollset, &worker,
                     gpr_now(GPR_CLOCK_MONOTONIC), deadline);
-  gpr_mu_unlock(GRPC_POLLSET_MU(&server->pollset));
+  gpr_mu_unlock(server->mu);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
@@ -111,8 +111,9 @@ void test_tcp_server_destroy(test_tcp_server *server) {
          gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), shutdown_deadline) < 0) {
     test_tcp_server_poll(server, 1);
   }
-  grpc_pollset_shutdown(&exec_ctx, &server->pollset, &do_nothing_cb);
+  grpc_pollset_shutdown(&exec_ctx, server->pollset, &do_nothing_cb);
   grpc_exec_ctx_finish(&exec_ctx);
-  grpc_pollset_destroy(&server->pollset);
+  grpc_pollset_destroy(server->pollset);
+  gpr_free(server->pollset);
   grpc_shutdown();
 }
diff --git a/test/core/util/test_tcp_server.h b/test/core/util/test_tcp_server.h
index 51119cf6c8..d10b166586 100644
--- a/test/core/util/test_tcp_server.h
+++ b/test/core/util/test_tcp_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,14 +35,14 @@
 #define GRPC_TEST_CORE_UTIL_TEST_TCP_SERVER_H
 
 #include <grpc/support/sync.h>
-#include "src/core/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_server.h"
 
 typedef struct test_tcp_server {
   grpc_tcp_server *tcp_server;
   grpc_closure shutdown_complete;
   int shutdown;
-  grpc_pollset pollset;
-  grpc_pollset *pollsets[1];
+  gpr_mu *mu;
+  grpc_pollset *pollset;
   grpc_tcp_server_cb on_connect;
   void *cb_data;
 } test_tcp_server;