merge with head

51 files changed, 1008 insertions, 6176 deletions

diff --git a/test/build/systemtap.c b/test/build/systemtap.c
new file mode 100644
index 0000000000..66ff38ebd6
--- /dev/null
+++ b/test/build/systemtap.c
@@ -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.
+ *
+ */
+
+#include <sys/sdt.h>
+
+#ifndef _SYS_SDT_H
+#error "_SYS_SDT_H not defined, despite <sys/sdt.h> being present."
+#endif
+
+int main() {
+  return 0;
+}
diff --git a/test/core/echo/client.c b/test/core/echo/client.c
deleted file mode 100644
index f2b69ec320..0000000000
--- a/test/core/echo/client.c
+++ /dev/null
@@ -1,138 +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 <grpc/grpc.h>
-
-#include <string.h>
-
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/byte_buffer.h>
-#include "test/core/util/test_config.h"
-
-enum { WRITE_SLICE_LENGTH = 1024, TOTAL_BYTES = 102400 };
-
-/* Start write the next slice, fill slice.data[0..length - 1] with first % 256,
-   (first + 1) % 256, ... (first + length - 1) % 256.
-   Produce a GRPC_WRITE_ACCEPTED event  */
-static void start_write_next_slice(grpc_call *call, int first, int length) {
-  int i = 0;
-  grpc_byte_buffer *byte_buffer = NULL;
-  gpr_slice slice = gpr_slice_malloc(length);
-  for (i = 0; i < length; i++)
-    GPR_SLICE_START_PTR(slice)[i] = (first + i) % 256;
-  byte_buffer = grpc_byte_buffer_create(&slice, 1);
-  GPR_ASSERT(grpc_call_start_write_old(call, byte_buffer, (void *)1, 0) ==
-             GRPC_CALL_OK);
-  gpr_slice_unref(slice);
-  grpc_byte_buffer_destroy(byte_buffer);
-}
-
-int main(int argc, char **argv) {
-  grpc_channel *channel = NULL;
-  grpc_call *call = NULL;
-  grpc_event *ev = NULL;
-  grpc_byte_buffer_reader *bb_reader = NULL;
-  grpc_completion_queue *cq = NULL;
-  int bytes_written = 0;
-  int bytes_read = 0;
-  unsigned i = 0;
-  int waiting_finishes;
-  gpr_slice read_slice;
-
-  grpc_test_init(argc, argv);
-
-  grpc_init();
-
-  cq = grpc_completion_queue_create();
-
-  GPR_ASSERT(argc == 2);
-  channel = grpc_channel_create(argv[1], NULL);
-  call = grpc_channel_create_call_old(channel, "/foo", "localhost",
-                                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5));
-  GPR_ASSERT(grpc_call_invoke_old(call, cq, (void *)1, (void *)1, 0) ==
-             GRPC_CALL_OK);
-
-  start_write_next_slice(call, bytes_written, WRITE_SLICE_LENGTH);
-  bytes_written += WRITE_SLICE_LENGTH;
-  GPR_ASSERT(grpc_call_start_read_old(call, (void *)1) == GRPC_CALL_OK);
-  waiting_finishes = 2;
-  while (waiting_finishes) {
-    ev = grpc_completion_queue_next(cq, gpr_inf_future);
-    switch (ev->type) {
-      case GRPC_WRITE_ACCEPTED:
-        if (bytes_written < TOTAL_BYTES) {
-          start_write_next_slice(call, bytes_written, WRITE_SLICE_LENGTH);
-          bytes_written += WRITE_SLICE_LENGTH;
-        } else {
-          GPR_ASSERT(grpc_call_writes_done_old(call, (void *)1) ==
-                     GRPC_CALL_OK);
-        }
-        break;
-      case GRPC_CLIENT_METADATA_READ:
-        break;
-      case GRPC_READ:
-        bb_reader = grpc_byte_buffer_reader_create(ev->data.read);
-        while (grpc_byte_buffer_reader_next(bb_reader, &read_slice)) {
-          for (i = 0; i < GPR_SLICE_LENGTH(read_slice); i++) {
-            GPR_ASSERT(GPR_SLICE_START_PTR(read_slice)[i] == bytes_read % 256);
-            bytes_read++;
-          }
-          gpr_slice_unref(read_slice);
-        }
-        grpc_byte_buffer_reader_destroy(bb_reader);
-        if (bytes_read < TOTAL_BYTES) {
-          GPR_ASSERT(grpc_call_start_read_old(call, (void *)1) == GRPC_CALL_OK);
-        }
-        break;
-      case GRPC_FINISHED:
-      case GRPC_FINISH_ACCEPTED:
-        waiting_finishes--;
-        break;
-      default:
-        GPR_ASSERT(0 && "unexpected event");
-        break;
-    }
-    grpc_event_finish(ev);
-  }
-  GPR_ASSERT(bytes_read == TOTAL_BYTES);
-  gpr_log(GPR_INFO, "All data have been successfully echoed");
-
-  grpc_call_destroy(call);
-  grpc_channel_destroy(channel);
-  grpc_completion_queue_destroy(cq);
-
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/echo/echo_test.c b/test/core/echo/echo_test.c
deleted file mode 100644
index e2c4d22ef5..0000000000
--- a/test/core/echo/echo_test.c
+++ /dev/null
@@ -1,135 +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.
- *
- */
-
-#ifndef _POSIX_SOURCE
-#define _POSIX_SOURCE
-#endif
-
-#include <unistd.h>
-#include <assert.h>
-#include <stdio.h>
-#include <string.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-
-#include "src/core/iomgr/socket_utils_posix.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/port.h"
-
-int test_client(const char *root, const char *host, int port) {
-  int status;
-  pid_t cli;
-  cli = fork();
-  if (cli == 0) {
-    char *binary_path;
-    char *binding;
-    gpr_asprintf(&binary_path, "%s/echo_client", root);
-    gpr_join_host_port(&binding, host, port);
-
-    execl(binary_path, binary_path, binding, NULL);
-
-    gpr_free(binary_path);
-    gpr_free(binding);
-    return 1;
-  }
-  /* wait for client */
-  gpr_log(GPR_INFO, "Waiting for client: %s", host);
-  if (waitpid(cli, &status, 0) == -1) return 2;
-  if (!WIFEXITED(status)) return 4;
-  if (WEXITSTATUS(status)) return WEXITSTATUS(status);
-  return 0;
-}
-
-int main(int argc, char **argv) {
-  char *me = argv[0];
-  char *lslash = strrchr(me, '/');
-  char root[1024];
-  int port = grpc_pick_unused_port_or_die();
-  int status;
-  pid_t svr;
-  int ret;
-  int do_ipv6 = 1;
-  /* seed rng with pid, so we don't end up with the same random numbers as a
-     concurrently running test binary */
-  srand(getpid());
-  if (!grpc_ipv6_loopback_available()) {
-    gpr_log(GPR_INFO, "Can't bind to ::1.  Skipping IPv6 tests.");
-    do_ipv6 = 0;
-  }
-  /* figure out where we are */
-  if (lslash) {
-    memcpy(root, me, lslash - me);
-    root[lslash - me] = 0;
-  } else {
-    strcpy(root, ".");
-  }
-  /* start the server */
-  svr = fork();
-  if (svr == 0) {
-    char *binary_path;
-    char *binding;
-    gpr_asprintf(&binary_path, "%s/echo_server", root);
-    gpr_join_host_port(&binding, "::", port);
-
-    execl(binary_path, binary_path, "-bind", binding, NULL);
-
-    gpr_free(binary_path);
-    gpr_free(binding);
-    return 1;
-  }
-  /* wait a little */
-  sleep(2);
-  /* start the clients */
-  ret = test_client(root, "127.0.0.1", port);
-  if (ret != 0) return ret;
-  ret = test_client(root, "::ffff:127.0.0.1", port);
-  if (ret != 0) return ret;
-  ret = test_client(root, "localhost", port);
-  if (ret != 0) return ret;
-  if (do_ipv6) {
-    ret = test_client(root, "::1", port);
-    if (ret != 0) return ret;
-  }
-  /* wait for server */
-  gpr_log(GPR_INFO, "Waiting for server");
-  kill(svr, SIGINT);
-  if (waitpid(svr, &status, 0) == -1) return 2;
-  if (!WIFEXITED(status)) return 4;
-  if (WEXITSTATUS(status)) return WEXITSTATUS(status);
-  return 0;
-}
diff --git a/test/core/echo/server.c b/test/core/echo/server.c
deleted file mode 100644
index e888a0c877..0000000000
--- a/test/core/echo/server.c
+++ /dev/null
@@ -1,223 +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 <grpc/grpc.h>
-#include <grpc/grpc_http.h>
-#include <grpc/grpc_security.h>
-
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-#include "src/core/support/string.h"
-#include "test/core/util/test_config.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/cmdline.h>
-#include <grpc/support/host_port.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include "test/core/util/port.h"
-#include "test/core/end2end/data/ssl_test_data.h"
-
-static grpc_completion_queue *cq;
-static grpc_server *server;
-static int got_sigint = 0;
-
-typedef struct {
-  gpr_refcount pending_ops;
-  gpr_intmax bytes_read;
-} call_state;
-
-static void request_call(void) {
-  call_state *tag = gpr_malloc(sizeof(*tag));
-  gpr_ref_init(&tag->pending_ops, 2);
-  tag->bytes_read = 0;
-  grpc_server_request_call_old(server, tag);
-}
-
-static void assert_read_ok(call_state *s, grpc_byte_buffer *b) {
-  grpc_byte_buffer_reader *bb_reader = NULL;
-  gpr_slice read_slice;
-  unsigned i;
-
-  bb_reader = grpc_byte_buffer_reader_create(b);
-  while (grpc_byte_buffer_reader_next(bb_reader, &read_slice)) {
-    for (i = 0; i < GPR_SLICE_LENGTH(read_slice); i++) {
-      GPR_ASSERT(GPR_SLICE_START_PTR(read_slice)[i] == s->bytes_read % 256);
-      s->bytes_read++;
-    }
-    gpr_slice_unref(read_slice);
-  }
-  grpc_byte_buffer_reader_destroy(bb_reader);
-}
-
-static void sigint_handler(int x) { got_sigint = 1; }
-
-int main(int argc, char **argv) {
-  grpc_event *ev;
-  call_state *s;
-  char *addr_buf = NULL;
-  gpr_cmdline *cl;
-  int shutdown_started = 0;
-  int shutdown_finished = 0;
-
-  int secure = 0;
-  char *addr = NULL;
-
-  char *fake_argv[1];
-
-#define MAX_ARGS 4
-  grpc_arg arge[MAX_ARGS];
-  grpc_arg *e;
-  grpc_channel_args args = {0, NULL};
-
-  grpc_http_server_page home_page = {"/", "text/html",
-                                     "<head>\n"
-                                     "<title>Echo Server</title>\n"
-                                     "</head>\n"
-                                     "<body>\n"
-                                     "Welcome to the world of the future!\n"
-                                     "</body>\n"};
-
-  GPR_ASSERT(argc >= 1);
-  fake_argv[0] = argv[0];
-  grpc_test_init(1, fake_argv);
-
-  grpc_init();
-  srand(clock());
-  memset(arge, 0, sizeof(arge));
-  args.args = arge;
-
-  cl = gpr_cmdline_create("echo server");
-  gpr_cmdline_add_string(cl, "bind", "Bind host:port", &addr);
-  gpr_cmdline_add_flag(cl, "secure", "Run with security?", &secure);
-  gpr_cmdline_parse(cl, argc, argv);
-  gpr_cmdline_destroy(cl);
-
-  e = &arge[args.num_args++];
-  e->type = GRPC_ARG_POINTER;
-  e->key = GRPC_ARG_SERVE_OVER_HTTP;
-  e->value.pointer.p = &home_page;
-
-  if (addr == NULL) {
-    gpr_join_host_port(&addr_buf, "::", grpc_pick_unused_port_or_die());
-    addr = addr_buf;
-  }
-  gpr_log(GPR_INFO, "creating server on: %s", addr);
-
-  cq = grpc_completion_queue_create();
-  if (secure) {
-    grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {test_server1_key,
-                                                    test_server1_cert};
-    grpc_server_credentials *ssl_creds =
-        grpc_ssl_server_credentials_create(NULL, &pem_key_cert_pair, 1);
-    server = grpc_server_create(cq, &args);
-    GPR_ASSERT(grpc_server_add_secure_http2_port(server, addr, ssl_creds));
-    grpc_server_credentials_release(ssl_creds);
-  } else {
-    server = grpc_server_create(cq, &args);
-    GPR_ASSERT(grpc_server_add_http2_port(server, addr));
-  }
-  grpc_server_start(server);
-
-  gpr_free(addr_buf);
-  addr = addr_buf = NULL;
-
-  request_call();
-
-  signal(SIGINT, sigint_handler);
-  while (!shutdown_finished) {
-    if (got_sigint && !shutdown_started) {
-      gpr_log(GPR_INFO, "Shutting down due to SIGINT");
-      grpc_server_shutdown(server);
-      grpc_completion_queue_shutdown(cq);
-      shutdown_started = 1;
-    }
-    ev = grpc_completion_queue_next(
-        cq, gpr_time_add(gpr_now(), gpr_time_from_seconds(1)));
-    if (!ev) continue;
-    s = ev->tag;
-    switch (ev->type) {
-      case GRPC_SERVER_RPC_NEW:
-        if (ev->call != NULL) {
-          /* initial ops are already started in request_call */
-          grpc_call_server_accept_old(ev->call, cq, s);
-          grpc_call_server_end_initial_metadata_old(ev->call,
-                                                    GRPC_WRITE_BUFFER_HINT);
-          GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK);
-          request_call();
-        } else {
-          GPR_ASSERT(shutdown_started);
-          gpr_free(s);
-        }
-        break;
-      case GRPC_WRITE_ACCEPTED:
-        GPR_ASSERT(ev->data.write_accepted == GRPC_OP_OK);
-        GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK);
-        break;
-      case GRPC_READ:
-        if (ev->data.read) {
-          assert_read_ok(ev->tag, ev->data.read);
-          GPR_ASSERT(grpc_call_start_write_old(ev->call, ev->data.read, s,
-                                               GRPC_WRITE_BUFFER_HINT) ==
-                     GRPC_CALL_OK);
-        } else {
-          GPR_ASSERT(grpc_call_start_write_status_old(ev->call, GRPC_STATUS_OK,
-                                                      NULL, s) == GRPC_CALL_OK);
-        }
-        break;
-      case GRPC_FINISH_ACCEPTED:
-      case GRPC_FINISHED:
-        if (gpr_unref(&s->pending_ops)) {
-          grpc_call_destroy(ev->call);
-          gpr_free(s);
-        }
-        break;
-      case GRPC_QUEUE_SHUTDOWN:
-        GPR_ASSERT(shutdown_started);
-        shutdown_finished = 1;
-        break;
-      default:
-        GPR_ASSERT(0);
-    }
-    grpc_event_finish(ev);
-  }
-
-  grpc_server_destroy(server);
-  grpc_completion_queue_destroy(cq);
-  grpc_shutdown();
-
-  return 0;
-}
diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
index 9369dfd7ec..f291e73e3b 100644
--- a/test/core/end2end/cq_verifier.c
+++ b/test/core/end2end/cq_verifier.c
@@ -61,23 +61,7 @@ typedef struct expectation {
   grpc_completion_type type;
   void *tag;
   union {
-    grpc_op_error finish_accepted;
-    grpc_op_error write_accepted;
     grpc_op_error op_complete;
-    struct {
-      const char *method;
-      const char *host;
-      gpr_timespec deadline;
-      grpc_call **output_call;
-      metadata *metadata;
-    } server_rpc_new;
-    metadata *client_metadata_read;
-    struct {
-      grpc_status_code status;
-      const char *details;
-      metadata *metadata;
-    } finished;
-    gpr_slice *read;
   } data;
 } expectation;
 
@@ -121,17 +105,6 @@ int contains_metadata(grpc_metadata_array *array, const char *key,
   return has_metadata(array->metadata, array->count, key, value);
 }
 
-static void verify_and_destroy_metadata(metadata *md, grpc_metadata *elems,
-                                        size_t count) {
-  size_t i;
-  for (i = 0; i < md->count; i++) {
-    GPR_ASSERT(has_metadata(elems, count, md->keys[i], md->values[i]));
-  }
-  gpr_free(md->keys);
-  gpr_free(md->values);
-  gpr_free(md);
-}
-
 static gpr_slice merge_slices(gpr_slice *slices, size_t nslices) {
   size_t i;
   size_t len = 0;
@@ -168,60 +141,13 @@ int byte_buffer_eq_string(grpc_byte_buffer *bb, const char *str) {
   return byte_buffer_eq_slice(bb, gpr_slice_from_copied_string(str));
 }
 
-static int string_equivalent(const char *a, const char *b) {
-  if (a == NULL) return b == NULL || b[0] == 0;
-  if (b == NULL) return a[0] == 0;
-  return strcmp(a, b) == 0;
-}
-
 static void verify_matches(expectation *e, grpc_event *ev) {
   GPR_ASSERT(e->type == ev->type);
   switch (e->type) {
-    case GRPC_FINISH_ACCEPTED:
-      GPR_ASSERT(e->data.finish_accepted == ev->data.finish_accepted);
-      break;
-    case GRPC_WRITE_ACCEPTED:
-      GPR_ASSERT(e->data.write_accepted == ev->data.write_accepted);
-      break;
-    case GRPC_SERVER_RPC_NEW:
-      GPR_ASSERT(string_equivalent(e->data.server_rpc_new.method,
-                                   ev->data.server_rpc_new.method));
-      GPR_ASSERT(string_equivalent(e->data.server_rpc_new.host,
-                                   ev->data.server_rpc_new.host));
-      GPR_ASSERT(gpr_time_cmp(e->data.server_rpc_new.deadline,
-                              ev->data.server_rpc_new.deadline) <= 0);
-      *e->data.server_rpc_new.output_call = ev->call;
-      verify_and_destroy_metadata(e->data.server_rpc_new.metadata,
-                                  ev->data.server_rpc_new.metadata_elements,
-                                  ev->data.server_rpc_new.metadata_count);
-      break;
-    case GRPC_CLIENT_METADATA_READ:
-      verify_and_destroy_metadata(e->data.client_metadata_read,
-                                  ev->data.client_metadata_read.elements,
-                                  ev->data.client_metadata_read.count);
-      break;
-    case GRPC_FINISHED:
-      if (e->data.finished.status != GRPC_STATUS__DO_NOT_USE) {
-        GPR_ASSERT(e->data.finished.status == ev->data.finished.status);
-        GPR_ASSERT(string_equivalent(e->data.finished.details,
-                                     ev->data.finished.details));
-      }
-      verify_and_destroy_metadata(e->data.finished.metadata,
-                                  ev->data.finished.metadata_elements,
-                                  ev->data.finished.metadata_count);
-      break;
     case GRPC_QUEUE_SHUTDOWN:
       gpr_log(GPR_ERROR, "premature queue shutdown");
       abort();
       break;
-    case GRPC_READ:
-      if (e->data.read) {
-        GPR_ASSERT(byte_buffer_eq_slice(ev->data.read, *e->data.read));
-        gpr_free(e->data.read);
-      } else {
-        GPR_ASSERT(ev->data.read == NULL);
-      }
-      break;
     case GRPC_OP_COMPLETE:
       GPR_ASSERT(e->data.op_complete == ev->data.op_complete);
       break;
@@ -234,66 +160,14 @@ static void verify_matches(expectation *e, grpc_event *ev) {
   }
 }
 
-static void metadata_expectation(gpr_strvec *buf, metadata *md) {
-  size_t i;
-  char *tmp;
-
-  if (!md) {
-    gpr_strvec_add(buf, gpr_strdup("nil"));
-  } else {
-    for (i = 0; i < md->count; i++) {
-      gpr_asprintf(&tmp, "%c%s:%s", i ? ',' : '{', md->keys[i], md->values[i]);
-      gpr_strvec_add(buf, tmp);
-    }
-    if (md->count) {
-      gpr_strvec_add(buf, gpr_strdup("}"));
-    }
-  }
-}
-
 static void expectation_to_strvec(gpr_strvec *buf, expectation *e) {
-  gpr_timespec timeout;
   char *tmp;
 
   switch (e->type) {
-    case GRPC_FINISH_ACCEPTED:
-      gpr_asprintf(&tmp, "GRPC_FINISH_ACCEPTED result=%d",
-                   e->data.finish_accepted);
-      gpr_strvec_add(buf, tmp);
-      break;
-    case GRPC_WRITE_ACCEPTED:
-      gpr_asprintf(&tmp, "GRPC_WRITE_ACCEPTED result=%d",
-                   e->data.write_accepted);
-      gpr_strvec_add(buf, tmp);
-      break;
     case GRPC_OP_COMPLETE:
       gpr_asprintf(&tmp, "GRPC_OP_COMPLETE result=%d", e->data.op_complete);
       gpr_strvec_add(buf, tmp);
       break;
-    case GRPC_SERVER_RPC_NEW:
-      timeout = gpr_time_sub(e->data.server_rpc_new.deadline, gpr_now());
-      gpr_asprintf(&tmp, "GRPC_SERVER_RPC_NEW method=%s host=%s timeout=%fsec",
-                   e->data.server_rpc_new.method, e->data.server_rpc_new.host,
-                   timeout.tv_sec + 1e-9 * timeout.tv_nsec);
-      gpr_strvec_add(buf, tmp);
-      break;
-    case GRPC_CLIENT_METADATA_READ:
-      gpr_strvec_add(buf, gpr_strdup("GRPC_CLIENT_METADATA_READ "));
-      metadata_expectation(buf, e->data.client_metadata_read);
-      break;
-    case GRPC_FINISHED:
-      gpr_asprintf(&tmp, "GRPC_FINISHED status=%d details=%s ",
-                   e->data.finished.status, e->data.finished.details);
-      gpr_strvec_add(buf, tmp);
-      metadata_expectation(buf, e->data.finished.metadata);
-      break;
-    case GRPC_READ:
-      gpr_strvec_add(buf, gpr_strdup("GRPC_READ data="));
-      gpr_strvec_add(
-          buf,
-          gpr_hexdump((char *)GPR_SLICE_START_PTR(*e->data.read),
-                      GPR_SLICE_LENGTH(*e->data.read), GPR_HEXDUMP_PLAINTEXT));
-      break;
     case GRPC_SERVER_SHUTDOWN:
       gpr_strvec_add(buf, gpr_strdup("GRPC_SERVER_SHUTDOWN"));
       break;
@@ -395,104 +269,10 @@ static expectation *add(cq_verifier *v, grpc_completion_type type, void *tag) {
   return e;
 }
 
-static metadata *metadata_from_args(va_list args) {
-  metadata *md = gpr_malloc(sizeof(metadata));
-  const char *key, *value;
-  md->count = 0;
-  md->cap = 0;
-  md->keys = NULL;
-  md->values = NULL;
-
-  for (;;) {
-    key = va_arg(args, const char *);
-    if (!key) return md;
-    value = va_arg(args, const char *);
-    GPR_ASSERT(value);
-
-    if (md->cap == md->count) {
-      md->cap = GPR_MAX(md->cap + 1, md->cap * 3 / 2);
-      md->keys = gpr_realloc(md->keys, sizeof(char *) * md->cap);
-      md->values = gpr_realloc(md->values, sizeof(char *) * md->cap);
-    }
-    md->keys[md->count] = (char *)key;
-    md->values[md->count] = (char *)value;
-    md->count++;
-  }
-}
-
-void cq_expect_write_accepted(cq_verifier *v, void *tag, grpc_op_error result) {
-  add(v, GRPC_WRITE_ACCEPTED, tag)->data.write_accepted = result;
-}
-
 void cq_expect_completion(cq_verifier *v, void *tag, grpc_op_error result) {
   add(v, GRPC_OP_COMPLETE, tag)->data.op_complete = result;
 }
 
-void cq_expect_finish_accepted(cq_verifier *v, void *tag,
-                               grpc_op_error result) {
-  add(v, GRPC_FINISH_ACCEPTED, tag)->data.finish_accepted = result;
-}
-
-void cq_expect_read(cq_verifier *v, void *tag, gpr_slice bytes) {
-  expectation *e = add(v, GRPC_READ, tag);
-  e->data.read = gpr_malloc(sizeof(gpr_slice));
-  *e->data.read = bytes;
-}
-
-void cq_expect_empty_read(cq_verifier *v, void *tag) {
-  expectation *e = add(v, GRPC_READ, tag);
-  e->data.read = NULL;
-}
-
-void cq_expect_server_rpc_new(cq_verifier *v, grpc_call **output_call,
-                              void *tag, const char *method, const char *host,
-                              gpr_timespec deadline, ...) {
-  va_list args;
-  expectation *e = add(v, GRPC_SERVER_RPC_NEW, tag);
-  e->data.server_rpc_new.method = method;
-  e->data.server_rpc_new.host = host;
-  e->data.server_rpc_new.deadline = deadline;
-  e->data.server_rpc_new.output_call = output_call;
-
-  va_start(args, deadline);
-  e->data.server_rpc_new.metadata = metadata_from_args(args);
-  va_end(args);
-}
-
-void cq_expect_client_metadata_read(cq_verifier *v, void *tag, ...) {
-  va_list args;
-  expectation *e = add(v, GRPC_CLIENT_METADATA_READ, tag);
-
-  va_start(args, tag);
-  e->data.client_metadata_read = metadata_from_args(args);
-  va_end(args);
-}
-
-static void finished_internal(cq_verifier *v, void *tag,
-                              grpc_status_code status, const char *details,
-                              va_list args) {
-  expectation *e = add(v, GRPC_FINISHED, tag);
-  e->data.finished.status = status;
-  e->data.finished.details = details;
-  e->data.finished.metadata = metadata_from_args(args);
-}
-
-void cq_expect_finished_with_status(cq_verifier *v, void *tag,
-                                    grpc_status_code status,
-                                    const char *details, ...) {
-  va_list args;
-  va_start(args, details);
-  finished_internal(v, tag, status, details, args);
-  va_end(args);
-}
-
-void cq_expect_finished(cq_verifier *v, void *tag, ...) {
-  va_list args;
-  va_start(args, tag);
-  finished_internal(v, tag, GRPC_STATUS__DO_NOT_USE, NULL, args);
-  va_end(args);
-}
-
 void cq_expect_server_shutdown(cq_verifier *v, void *tag) {
   add(v, GRPC_SERVER_SHUTDOWN, tag);
 }
diff --git a/test/core/end2end/cq_verifier.h b/test/core/end2end/cq_verifier.h
index c1e25d8aa4..bae3c6caf0 100644
--- a/test/core/end2end/cq_verifier.h
+++ b/test/core/end2end/cq_verifier.h
@@ -57,20 +57,7 @@ void cq_verify_empty(cq_verifier *v);
    Any functions taking ... expect a NULL terminated list of key/value pairs
    (each pair using two parameter slots) of metadata that MUST be present in
    the event. */
-void cq_expect_write_accepted(cq_verifier *v, void *tag, grpc_op_error result);
-void cq_expect_finish_accepted(cq_verifier *v, void *tag, grpc_op_error result);
-void cq_expect_read(cq_verifier *v, void *tag, gpr_slice bytes);
-void cq_expect_empty_read(cq_verifier *v, void *tag);
 void cq_expect_completion(cq_verifier *v, void *tag, grpc_op_error result);
-/* *output_call is set the the server call instance */
-void cq_expect_server_rpc_new(cq_verifier *v, grpc_call **output_call,
-                              void *tag, const char *method, const char *host,
-                              gpr_timespec deadline, ...);
-void cq_expect_client_metadata_read(cq_verifier *v, void *tag, ...);
-void cq_expect_finished_with_status(cq_verifier *v, void *tag,
-                                    grpc_status_code status_code,
-                                    const char *details, ...);
-void cq_expect_finished(cq_verifier *v, void *tag, ...);
 void cq_expect_server_shutdown(cq_verifier *v, void *tag);
 
 int byte_buffer_eq_string(grpc_byte_buffer *byte_buffer, const char *string);
diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
index 7b3500233b..5e278ca66c 100644
--- a/test/core/end2end/dualstack_socket_test.c
+++ b/test/core/end2end/dualstack_socket_test.c
@@ -31,6 +31,7 @@
  *
  */
 
+#include <string.h>
 #include "src/core/iomgr/socket_utils_posix.h"
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
@@ -74,6 +75,16 @@ void test_connect(const char *server_host, const char *client_host, int port,
   cq_verifier *v_server;
   gpr_timespec deadline;
   int got_port;
+  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_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+  grpc_call_details call_details;
 
   if (port == 0) {
     port = grpc_pick_unused_port_or_die();
@@ -81,6 +92,11 @@ void test_connect(const char *server_host, const char *client_host, int port,
 
   gpr_join_host_port(&server_hostport, server_host, port);
 
+  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);
+
   /* Create server. */
   server_cq = grpc_completion_queue_create();
   server = grpc_server_create(server_cq, NULL);
@@ -116,54 +132,74 @@ void test_connect(const char *server_host, const char *client_host, int port,
   }
 
   /* Send a trivial request. */
-  c = grpc_channel_create_call_old(client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  c = grpc_channel_create_call(client, client_cq, "/foo", "foo.test.google.fr",
+                               deadline);
   GPR_ASSERT(c);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, client_cq, tag(2), tag(3), 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
   if (expect_ok) {
     /* Check for a successful request. */
-    cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-    cq_verify(v_client);
-
-    GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(server, tag(100)));
-    cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo",
-                             "foo.test.google.fr", deadline, NULL);
+    GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(server, &s,
+                                                        &call_details,
+                                                        &request_metadata_recv,
+                                                        server_cq, tag(101)));
+    cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
     cq_verify(v_server);
 
+    op = ops;
+    op->op = GRPC_OP_SEND_INITIAL_METADATA;
+    op->data.send_initial_metadata.count = 0;
+    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++;
+    op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+    op->data.recv_close_on_server.cancelled = &was_cancelled;
+    op++;
     GPR_ASSERT(GRPC_CALL_OK ==
-               grpc_call_server_accept_old(s, server_cq, tag(102)));
-    GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-    cq_expect_client_metadata_read(v_client, tag(2), NULL);
-    cq_verify(v_client);
+               grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
-    GPR_ASSERT(GRPC_CALL_OK ==
-               grpc_call_start_write_status_old(s, GRPC_STATUS_UNIMPLEMENTED,
-                                                "xyz", tag(5)));
-    cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                   "xyz", NULL);
+    cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
+    cq_verify(v_server);
+
+    cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
     cq_verify(v_client);
 
-    cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-    cq_expect_finished(v_server, tag(102), NULL);
-    cq_verify(v_server);
+    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"));
+    GPR_ASSERT(was_cancelled == 0);
 
-    grpc_call_destroy(c);
     grpc_call_destroy(s);
   } else {
     /* Check for a failed connection. */
-    cq_expect_client_metadata_read(v_client, tag(2), NULL);
-    cq_expect_finished_with_status(v_client, tag(3),
-                                   GRPC_STATUS_DEADLINE_EXCEEDED,
-                                   "Deadline Exceeded", NULL);
-    cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
+    cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
     cq_verify(v_client);
 
-    grpc_call_destroy(c);
+    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
   }
 
+  grpc_call_destroy(c);
+
   cq_verifier_destroy(v_client);
   cq_verifier_destroy(v_server);
 
diff --git a/test/core/end2end/gen_build_json.py b/test/core/end2end/gen_build_json.py
index 9b7db416b8..ac7c194d8c 100755
--- a/test/core/end2end/gen_build_json.py
+++ b/test/core/end2end/gen_build_json.py
@@ -72,33 +72,6 @@ END2END_TESTS = {
     'simple_delayed_request': True,
     'simple_request': True,
     'registered_call': True,
-    'thread_stress': True,
-    'writes_done_hangs_with_pending_read': True,
-
-    'cancel_after_accept_legacy': False,
-    'cancel_after_accept_and_writes_closed_legacy': True,
-    'cancel_after_invoke_legacy': True,
-    'cancel_before_invoke_legacy': True,
-    'cancel_in_a_vacuum_legacy': True,
-    'census_simple_request_legacy': True,
-    'disappearing_server_legacy': True,
-    'early_server_shutdown_finishes_inflight_calls_legacy': True,
-    'early_server_shutdown_finishes_tags_legacy': True,
-    'graceful_server_shutdown_legacy': True,
-    'invoke_large_request_legacy': False,
-    'max_concurrent_streams_legacy': True,
-    'no_op_legacy': True,
-    'ping_pong_streaming_legacy': True,
-    'request_response_with_binary_metadata_and_payload_legacy': True,
-    'request_response_with_metadata_and_payload_legacy': True,
-    'request_response_with_payload_legacy': True,
-    'request_response_with_trailing_metadata_and_payload_legacy': True,
-    'request_with_large_metadata_legacy': True,
-    'request_with_payload_legacy': True,
-    'simple_delayed_request_legacy': True,
-    'simple_request_legacy': True,
-    'thread_stress_legacy': True,
-    'writes_done_hangs_with_pending_read_legacy': True,
 }
 
 
diff --git a/test/core/end2end/no_server_test.c b/test/core/end2end/no_server_test.c
index ffc651ab05..b292620fe9 100644
--- a/test/core/end2end/no_server_test.c
+++ b/test/core/end2end/no_server_test.c
@@ -32,6 +32,7 @@
  */
 
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/test_config.h"
@@ -46,23 +47,43 @@ int main(int argc, char **argv) {
   cq_verifier *cqv;
   grpc_event *ev;
   int done;
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
 
   grpc_test_init(argc, argv);
   grpc_init();
 
+  grpc_metadata_array_init(&trailing_metadata_recv);
+
   cq = grpc_completion_queue_create();
   cqv = cq_verifier_create(cq);
 
   /* create a call, channel to a non existant server */
   chan = grpc_channel_create("nonexistant:54321", NULL);
-  call = grpc_channel_create_call_old(chan, "/foo", "nonexistant", deadline);
-  GPR_ASSERT(grpc_call_invoke_old(call, cq, tag(2), tag(3), 0) == GRPC_CALL_OK);
+  call = grpc_channel_create_call(chan, cq, "/Foo", "nonexistant", deadline);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_call_start_batch(call, ops, op - ops, tag(1)));
   /* verify that all tags get completed */
-  cq_expect_client_metadata_read(cqv, tag(2), NULL);
-  cq_expect_finished_with_status(cqv, tag(3), GRPC_STATUS_DEADLINE_EXCEEDED,
-                                 "Deadline Exceeded", NULL);
+  cq_expect_completion(cqv, tag(1), GRPC_OP_OK);
   cq_verify(cqv);
 
+  GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
+
   grpc_completion_queue_shutdown(cq);
   for (done = 0; !done;) {
     ev = grpc_completion_queue_next(cq, gpr_inf_future);
@@ -74,6 +95,9 @@ int main(int argc, char **argv) {
   grpc_channel_destroy(chan);
   cq_verifier_destroy(cqv);
 
+  gpr_free(details);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+
   grpc_shutdown();
 
   return 0;
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 9a19abf676..21057969d9 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -153,8 +153,6 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
   op++;
-  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
-  op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
   op++;
@@ -173,15 +171,15 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
   op++;
-  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
-  op->data.recv_close_on_server.cancelled = &was_cancelled;
-  op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
   op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(3)));
 
   GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c));
diff --git a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
index f360fa31a4..f8733ef444 100644
--- a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
+++ b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
@@ -106,48 +106,106 @@ static void end_test(grpc_end2end_test_fixture *f) {
 /* Cancel after accept with a writes closed, no payload */
 static void test_cancel_after_accept_and_writes_closed(
     grpc_end2end_test_config config, cancellation_mode mode) {
+  grpc_op ops[6];
+  grpc_op *op;
   grpc_call *c;
   grpc_call *s;
   grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
   gpr_timespec deadline = five_seconds_time();
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  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;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  grpc_byte_buffer *request_payload_recv = NULL;
+  grpc_byte_buffer *response_payload_recv = NULL;
+  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  grpc_byte_buffer *request_payload =
+      grpc_byte_buffer_create(&request_payload_slice, 1);
+  grpc_byte_buffer *response_payload =
+      grpc_byte_buffer_create(&response_payload_slice, 1);
+  int was_cancelled = 2;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr", deadline);
   GPR_ASSERT(c);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
+  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_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++;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = request_payload;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op++;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message = &response_payload_recv;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
+                                 f.server, &s, &call_details,
+                                 &request_metadata_recv, f.server_cq, tag(2)));
+  cq_expect_completion(v_server, tag(2), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
+  op = ops;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message = &request_payload_recv;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = response_payload;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(3)));
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
+  GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c));
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(101)));
-  cq_expect_empty_read(v_server, tag(101));
+  cq_expect_completion(v_server, tag(3), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c));
-
-  cq_expect_finished_with_status(v_client, tag(3), mode.expect_status,
-                                 mode.expect_details, NULL);
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  cq_expect_finished_with_status(v_server, tag(102), GRPC_STATUS_CANCELLED,
-                                 NULL, NULL);
-  cq_verify(v_server);
+  GPR_ASSERT(status == mode.expect_status);
+  GPR_ASSERT(0 == strcmp(details, mode.expect_details));
+  GPR_ASSERT(was_cancelled == 1);
+
+  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_byte_buffer_destroy(request_payload);
+  grpc_byte_buffer_destroy(response_payload);
+  grpc_byte_buffer_destroy(request_payload_recv);
+  grpc_byte_buffer_destroy(response_payload_recv);
+  gpr_free(details);
 
   grpc_call_destroy(c);
   grpc_call_destroy(s);
diff --git a/test/core/end2end/tests/cancel_after_accept_and_writes_closed_legacy.c b/test/core/end2end/tests/cancel_after_accept_and_writes_closed_legacy.c
deleted file mode 100644
index f360fa31a4..0000000000
--- a/test/core/end2end/tests/cancel_after_accept_and_writes_closed_legacy.c
+++ /dev/null
@@ -1,167 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-#include "test/core/end2end/tests/cancel_test_helpers.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Cancel after accept with a writes closed, no payload */
-static void test_cancel_after_accept_and_writes_closed(
-    grpc_end2end_test_config config, cancellation_mode mode) {
-  grpc_call *c;
-  grpc_call *s;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(101)));
-  cq_expect_empty_read(v_server, tag(101));
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c));
-
-  cq_expect_finished_with_status(v_client, tag(3), mode.expect_status,
-                                 mode.expect_details, NULL);
-  cq_verify(v_client);
-
-  cq_expect_finished_with_status(v_server, tag(102), GRPC_STATUS_CANCELLED,
-                                 NULL, NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  unsigned i;
-
-  for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
-    test_cancel_after_accept_and_writes_closed(config, cancellation_modes[i]);
-  }
-}
diff --git a/test/core/end2end/tests/cancel_after_accept_legacy.c b/test/core/end2end/tests/cancel_after_accept_legacy.c
deleted file mode 100644
index 904a06f8a1..0000000000
--- a/test/core/end2end/tests/cancel_after_accept_legacy.c
+++ /dev/null
@@ -1,159 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-#include "test/core/end2end/tests/cancel_test_helpers.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Cancel after accept, no payload */
-static void test_cancel_after_accept(grpc_end2end_test_config config,
-                                     cancellation_mode mode) {
-  grpc_call *c;
-  grpc_call *s;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c));
-
-  cq_expect_finished_with_status(v_client, tag(3), mode.expect_status,
-                                 mode.expect_details, NULL);
-  cq_verify(v_client);
-
-  cq_expect_finished_with_status(v_server, tag(102), GRPC_STATUS_CANCELLED,
-                                 NULL, NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  unsigned i;
-
-  for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
-    test_cancel_after_accept(config, cancellation_modes[i]);
-  }
-}
diff --git a/test/core/end2end/tests/cancel_after_invoke_legacy.c b/test/core/end2end/tests/cancel_after_invoke_legacy.c
deleted file mode 100644
index 6ad471d661..0000000000
--- a/test/core/end2end/tests/cancel_after_invoke_legacy.c
+++ /dev/null
@@ -1,141 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-#include "test/core/end2end/tests/cancel_test_helpers.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Cancel after invoke, no payload */
-static void test_cancel_after_invoke(grpc_end2end_test_config config,
-                                     cancellation_mode mode) {
-  grpc_call *c;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c));
-
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_expect_finished_with_status(v_client, tag(3), mode.expect_status,
-                                 mode.expect_details, NULL);
-  cq_verify(v_client);
-
-  grpc_call_destroy(c);
-
-  cq_verifier_destroy(v_client);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  unsigned i;
-
-  for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
-    test_cancel_after_invoke(config, cancellation_modes[i]);
-  }
-}
diff --git a/test/core/end2end/tests/cancel_before_invoke_legacy.c b/test/core/end2end/tests/cancel_before_invoke_legacy.c
deleted file mode 100644
index 3614e5391e..0000000000
--- a/test/core/end2end/tests/cancel_before_invoke_legacy.c
+++ /dev/null
@@ -1,134 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Cancel before invoke */
-static void test_cancel_before_invoke(grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_cancel(c));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_CANCELLED,
-                                 "Cancelled", NULL);
-  cq_verify(v_client);
-
-  grpc_call_destroy(c);
-
-  cq_verifier_destroy(v_client);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_cancel_before_invoke(config);
-}
diff --git a/test/core/end2end/tests/cancel_in_a_vacuum_legacy.c b/test/core/end2end/tests/cancel_in_a_vacuum_legacy.c
deleted file mode 100644
index a827eed72c..0000000000
--- a/test/core/end2end/tests/cancel_in_a_vacuum_legacy.c
+++ /dev/null
@@ -1,131 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-#include "test/core/end2end/tests/cancel_test_helpers.h"
-
-enum { TIMEOUT = 200000 };
-
-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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Cancel and do nothing */
-static void test_cancel_in_a_vacuum(grpc_end2end_test_config config,
-                                    cancellation_mode mode) {
-  grpc_call *c;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c));
-
-  grpc_call_destroy(c);
-
-  cq_verifier_destroy(v_client);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  unsigned i;
-
-  for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
-    test_cancel_in_a_vacuum(config, cancellation_modes[i]);
-  }
-}
diff --git a/test/core/end2end/tests/census_simple_request.c b/test/core/end2end/tests/census_simple_request.c
index dabdc56ed3..67c769c08b 100644
--- a/test/core/end2end/tests/census_simple_request.c
+++ b/test/core/end2end/tests/census_simple_request.c
@@ -102,41 +102,85 @@ static void *tag(gpr_intptr t) { return (void *)t; }
 static void test_body(grpc_end2end_test_fixture f) {
   grpc_call *c;
   grpc_call *s;
-  gpr_timespec deadline = n_seconds_time(10);
+  gpr_timespec deadline = n_seconds_time(5);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  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;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr:1234", deadline);
   GPR_ASSERT(c);
-  tag(1);
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
+  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++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(101)));
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
+  cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  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++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
+
+  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
+  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(was_cancelled == 0);
+
+  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);
 
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
   grpc_call_destroy(c);
   grpc_call_destroy(s);
 
diff --git a/test/core/end2end/tests/census_simple_request_legacy.c b/test/core/end2end/tests/census_simple_request_legacy.c
deleted file mode 100644
index dabdc56ed3..0000000000
--- a/test/core/end2end/tests/census_simple_request_legacy.c
+++ /dev/null
@@ -1,178 +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 <unistd.h>
-
-#include "src/core/support/string.h"
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-static gpr_timespec n_seconds_time(int n) {
-  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
-}
-
-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_client(&f, client_args);
-  config.init_server(&f, server_args);
-  return f;
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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 drain_cq(grpc_completion_queue *cq) {
-  grpc_event *ev;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, n_seconds_time(5));
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void end_test(grpc_end2end_test_fixture *f) {
-  shutdown_server(f);
-  shutdown_client(f);
-
-  grpc_completion_queue_shutdown(f->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static void *tag(gpr_intptr t) { return (void *)t; }
-
-static void test_body(grpc_end2end_test_fixture f) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_timespec deadline = n_seconds_time(10);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-  tag(1);
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-static void test_invoke_request_with_census(
-    grpc_end2end_test_config config, const char *name,
-    void (*body)(grpc_end2end_test_fixture f)) {
-  char *fullname;
-  grpc_end2end_test_fixture f;
-  grpc_arg client_arg, server_arg;
-  grpc_channel_args client_args, server_args;
-
-  client_arg.type = GRPC_ARG_INTEGER;
-  client_arg.key = GRPC_ARG_ENABLE_CENSUS;
-  client_arg.value.integer = 1;
-
-  client_args.num_args = 1;
-  client_args.args = &client_arg;
-
-  server_arg.type = GRPC_ARG_INTEGER;
-  server_arg.key = GRPC_ARG_ENABLE_CENSUS;
-  server_arg.value.integer = 1;
-  server_args.num_args = 1;
-  server_args.args = &server_arg;
-
-  gpr_asprintf(&fullname, "%s/%s", __FUNCTION__, name);
-  f = begin_test(config, fullname, &client_args, &server_args);
-  body(f);
-  end_test(&f);
-  config.tear_down_data(&f);
-  gpr_free(fullname);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_invoke_request_with_census(config, "census_simple_request", test_body);
-}
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index a65a9f37f5..c8e22ce11c 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -96,42 +96,85 @@ static void do_request_and_shutdown_server(grpc_end2end_test_fixture *f,
   grpc_call *c;
   grpc_call *s;
   gpr_timespec deadline = five_seconds_time();
-
-  c = grpc_channel_create_call_old(f->client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  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;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+
+  c = grpc_channel_create_call(f->client, f->client_cq, "/foo",
+                               "foo.test.google.fr:1234", deadline);
   GPR_ASSERT(c);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f->client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f->server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
+  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++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f->server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f->server_cq, tag(101)));
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f->server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
   /* should be able to shut down the server early
      - and still complete the request */
   grpc_server_shutdown(f->server);
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  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++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
+
+  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
+  cq_verify(v_server);
+
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
+  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(was_cancelled == 0);
+
+  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);
diff --git a/test/core/end2end/tests/disappearing_server_legacy.c b/test/core/end2end/tests/disappearing_server_legacy.c
deleted file mode 100644
index a65a9f37f5..0000000000
--- a/test/core/end2end/tests/disappearing_server_legacy.c
+++ /dev/null
@@ -1,168 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr t) { return (void *)t; }
-
-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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static void do_request_and_shutdown_server(grpc_end2end_test_fixture *f,
-                                           cq_verifier *v_client,
-                                           cq_verifier *v_server) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_timespec deadline = five_seconds_time();
-
-  c = grpc_channel_create_call_old(f->client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f->client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f->server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f->server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  /* should be able to shut down the server early
-     - and still complete the request */
-  grpc_server_shutdown(f->server);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-}
-
-static void disappearing_server_test(grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  gpr_log(GPR_INFO, "%s/%s", __FUNCTION__, config.name);
-
-  config.init_client(&f, NULL);
-  config.init_server(&f, NULL);
-
-  do_request_and_shutdown_server(&f, v_client, v_server);
-
-  /* now destroy and recreate the server */
-  config.init_server(&f, NULL);
-
-  do_request_and_shutdown_server(&f, v_client, v_server);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  if (config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION) {
-    disappearing_server_test(config);
-  }
-}
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
index 16ed627f37..2c2d2e895b 100644
--- a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
+++ b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
@@ -104,48 +104,85 @@ static void end_test(grpc_end2end_test_fixture *f) {
 
 static void test_early_server_shutdown_finishes_inflight_calls(
     grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
   grpc_call *c;
   grpc_call *s;
   gpr_timespec deadline = five_seconds_time();
+  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  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;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr", deadline);
   GPR_ASSERT(c);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
+  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->data.send_initial_metadata.metadata = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(101)));
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
   /* shutdown and destroy the server */
   shutdown_server(&f);
 
-  cq_expect_finished(v_server, tag(102), NULL);
+  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
   cq_verify(v_server);
 
-  grpc_call_destroy(s);
-
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNAVAILABLE,
-                                 NULL, NULL);
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
+  GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
+  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
+  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(v_client);
   cq_verifier_destroy(v_server);
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls_legacy.c b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls_legacy.c
deleted file mode 100644
index 16ed627f37..0000000000
--- a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls_legacy.c
+++ /dev/null
@@ -1,159 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static void test_early_server_shutdown_finishes_inflight_calls(
-    grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  grpc_call *c;
-  grpc_call *s;
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  /* shutdown and destroy the server */
-  shutdown_server(&f);
-
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(s);
-
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNAVAILABLE,
-                                 NULL, NULL);
-  cq_verify(v_client);
-
-  grpc_call_destroy(c);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_early_server_shutdown_finishes_inflight_calls(config);
-}
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_tags.c b/test/core/end2end/tests/early_server_shutdown_finishes_tags.c
index 061a2d335c..96978a8cb9 100644
--- a/test/core/end2end/tests/early_server_shutdown_finishes_tags.c
+++ b/test/core/end2end/tests/early_server_shutdown_finishes_tags.c
@@ -107,13 +107,20 @@ static void test_early_server_shutdown_finishes_tags(
   grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_call *s = (void *)1;
+  grpc_call_details call_details;
+  grpc_metadata_array request_metadata_recv;
+
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
 
   /* upon shutdown, the server should finish all requested calls indicating
      no new call */
-  grpc_server_request_call_old(f.server, tag(1000));
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(101)));
   grpc_server_shutdown(f.server);
-  cq_expect_server_rpc_new(v_server, &s, tag(1000), NULL, NULL, gpr_inf_past,
-                           NULL);
+  cq_expect_completion(v_server, tag(101), GRPC_OP_ERROR);
   cq_verify(v_server);
   GPR_ASSERT(s == NULL);
 
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_tags_legacy.c b/test/core/end2end/tests/early_server_shutdown_finishes_tags_legacy.c
deleted file mode 100644
index bb0ef92542..0000000000
--- a/test/core/end2end/tests/early_server_shutdown_finishes_tags_legacy.c
+++ /dev/null
@@ -1,127 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static void test_early_server_shutdown_finishes_tags(
-    grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-  grpc_call *s = (void *)1;
-
-  /* upon shutdown, the server should finish all requested calls indicating
-     no new call */
-  grpc_server_request_call_old(f.server, tag(1000));
-  grpc_server_shutdown(f.server);
-  cq_expect_server_rpc_new(v_server, &s, tag(1000), NULL, NULL, gpr_inf_past,
-                           NULL);
-  cq_verify(v_server);
-  GPR_ASSERT(s == NULL);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-  cq_verifier_destroy(v_server);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_early_server_shutdown_finishes_tags(config);
-}
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index 39830b0b4b..d084530a9c 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -103,49 +103,96 @@ static void end_test(grpc_end2end_test_fixture *f) {
 
 static void test_early_server_shutdown_finishes_inflight_calls(
     grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
   grpc_call *c;
   grpc_call *s;
   gpr_timespec deadline = five_seconds_time();
+  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  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;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr", deadline);
   GPR_ASSERT(c);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
+  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->data.send_initial_metadata.metadata = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(101)));
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  /* shutdown the server */
+  /* shutdown and destroy the server */
   grpc_server_shutdown_and_notify(f.server, tag(0xdead));
   cq_verify_empty(v_server);
 
-  grpc_call_start_write_status_old(s, GRPC_STATUS_OK, NULL, tag(103));
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  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++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
+
+  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
+  cq_verify(v_server);
+
   grpc_call_destroy(s);
-  cq_expect_finish_accepted(v_server, tag(103), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
   cq_expect_server_shutdown(v_server, tag(0xdead));
   cq_verify(v_server);
 
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_OK, NULL, NULL);
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
+  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
+  GPR_ASSERT(was_cancelled == 0);
+
+  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);
 
   cq_verifier_destroy(v_client);
diff --git a/test/core/end2end/tests/graceful_server_shutdown_legacy.c b/test/core/end2end/tests/graceful_server_shutdown_legacy.c
deleted file mode 100644
index 39830b0b4b..0000000000
--- a/test/core/end2end/tests/graceful_server_shutdown_legacy.c
+++ /dev/null
@@ -1,160 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static void test_early_server_shutdown_finishes_inflight_calls(
-    grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  grpc_call *c;
-  grpc_call *s;
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  /* shutdown the server */
-  grpc_server_shutdown_and_notify(f.server, tag(0xdead));
-  cq_verify_empty(v_server);
-
-  grpc_call_start_write_status_old(s, GRPC_STATUS_OK, NULL, tag(103));
-  grpc_call_destroy(s);
-  cq_expect_finish_accepted(v_server, tag(103), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_expect_server_shutdown(v_server, tag(0xdead));
-  cq_verify(v_server);
-
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_OK, NULL, NULL);
-  cq_verify(v_client);
-
-  grpc_call_destroy(c);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_early_server_shutdown_finishes_inflight_calls(config);
-}
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index 55606ca6a7..d9d9e934cb 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -107,66 +107,108 @@ static gpr_slice large_slice(void) {
 }
 
 static void test_invoke_large_request(grpc_end2end_test_config config) {
+  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+
+  gpr_slice request_payload_slice = large_slice();
+  gpr_slice response_payload_slice = large_slice();
   grpc_call *c;
   grpc_call *s;
-  gpr_slice request_payload_slice = large_slice();
   grpc_byte_buffer *request_payload =
       grpc_byte_buffer_create(&request_payload_slice, 1);
+  grpc_byte_buffer *response_payload =
+      grpc_byte_buffer_create(&response_payload_slice, 1);
   gpr_timespec deadline = n_seconds_time(30);
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(request_payload_slice);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  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_byte_buffer *request_payload_recv = NULL;
+  grpc_byte_buffer *response_payload_recv = NULL;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr", deadline);
   GPR_ASSERT(c);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(c, request_payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(request_payload);
-  /* write should not be accepted until the server is willing to read the
-     request (as this request is very large) */
-  cq_verify_empty(v_client);
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
+  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++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = request_payload;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op++;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message = &response_payload_recv;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(101)));
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
-  /* now the write can be accepted */
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-  cq_expect_read(v_server, tag(5), large_slice());
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = response_payload;
+  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++;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message = &request_payload_recv;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
+
+  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(8)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(9)));
-
-  cq_expect_finish_accepted(v_client, tag(8), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  cq_expect_finish_accepted(v_server, tag(9), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
+  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"));
+  GPR_ASSERT(was_cancelled == 0);
+
+  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);
@@ -174,6 +216,13 @@ static void test_invoke_large_request(grpc_end2end_test_config config) {
   cq_verifier_destroy(v_client);
   cq_verifier_destroy(v_server);
 
+  grpc_byte_buffer_destroy(request_payload);
+  grpc_byte_buffer_destroy(response_payload);
+  grpc_byte_buffer_destroy(request_payload_recv);
+  grpc_byte_buffer_destroy(response_payload_recv);
+  gpr_slice_unref(request_payload_slice);
+  gpr_slice_unref(response_payload_slice);
+
   end_test(&f);
   config.tear_down_data(&f);
 }
diff --git a/test/core/end2end/tests/invoke_large_request_legacy.c b/test/core/end2end/tests/invoke_large_request_legacy.c
deleted file mode 100644
index 55606ca6a7..0000000000
--- a/test/core/end2end/tests/invoke_large_request_legacy.c
+++ /dev/null
@@ -1,183 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_args);
-  return f;
-}
-
-static gpr_timespec n_seconds_time(int n) {
-  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
-}
-
-static void drain_cq(grpc_completion_queue *cq) {
-  grpc_event *ev;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, n_seconds_time(5));
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static gpr_slice large_slice(void) {
-  gpr_slice slice = gpr_slice_malloc(1000000);
-  memset(GPR_SLICE_START_PTR(slice), 0xab, GPR_SLICE_LENGTH(slice));
-  return slice;
-}
-
-static void test_invoke_large_request(grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_slice request_payload_slice = large_slice();
-  grpc_byte_buffer *request_payload =
-      grpc_byte_buffer_create(&request_payload_slice, 1);
-  gpr_timespec deadline = n_seconds_time(30);
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(request_payload_slice);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(c, request_payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(request_payload);
-  /* write should not be accepted until the server is willing to read the
-     request (as this request is very large) */
-  cq_verify_empty(v_client);
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
-  /* now the write can be accepted */
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-  cq_expect_read(v_server, tag(5), large_slice());
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(8)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(9)));
-
-  cq_expect_finish_accepted(v_client, tag(8), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(9), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_invoke_large_request(config);
-}
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index af29e172bb..6e95a6c5f8 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -108,38 +108,81 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   gpr_timespec deadline = five_seconds_time();
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  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;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr:1234", deadline);
   GPR_ASSERT(c);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
+  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++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(101)));
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
+  cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  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++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
+
+  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
   cq_verify(v_server);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
+  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(was_cancelled == 0);
 
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
+  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);
@@ -161,6 +204,21 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   cq_verifier *v_client;
   cq_verifier *v_server;
   grpc_event *ev;
+  grpc_call_details call_details;
+  grpc_metadata_array request_metadata_recv;
+  grpc_metadata_array initial_metadata_recv1;
+  grpc_metadata_array trailing_metadata_recv1;
+  grpc_metadata_array initial_metadata_recv2;
+  grpc_metadata_array trailing_metadata_recv2;
+  grpc_status_code status1;
+  char *details1 = NULL;
+  size_t details_capacity1 = 0;
+  grpc_status_code status2;
+  char *details2 = NULL;
+  size_t details_capacity2 = 0;
+  grpc_op ops[6];
+  grpc_op *op;
+  int was_cancelled;
 
   server_arg.key = GRPC_ARG_MAX_CONCURRENT_STREAMS;
   server_arg.type = GRPC_ARG_INTEGER;
@@ -173,6 +231,13 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   v_client = cq_verifier_create(f.client_cq);
   v_server = cq_verifier_create(f.server_cq);
 
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_metadata_array_init(&initial_metadata_recv1);
+  grpc_metadata_array_init(&trailing_metadata_recv1);
+  grpc_metadata_array_init(&initial_metadata_recv2);
+  grpc_metadata_array_init(&trailing_metadata_recv2);
+  grpc_call_details_init(&call_details);
+
   /* perform a ping-pong to ensure that settings have had a chance to round
      trip */
   simple_request_body(f);
@@ -181,82 +246,130 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
 
   /* start two requests - ensuring that the second is not accepted until
      the first completes */
-  deadline = five_seconds_time();
-  c1 = grpc_channel_create_call_old(f.client, "/alpha", "foo.test.google.fr",
-                                    deadline);
-  GPR_ASSERT(c1);
-  c2 = grpc_channel_create_call_old(f.client, "/beta", "foo.test.google.fr",
-                                    deadline);
+  deadline = n_seconds_time(10);
+  c1 = grpc_channel_create_call(f.client, f.client_cq, "/alpha",
+                                "foo.test.google.fr:1234", deadline);
   GPR_ASSERT(c1);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
+  c2 = grpc_channel_create_call(f.client, f.client_cq, "/beta",
+                                "foo.test.google.fr:1234", deadline);
+  GPR_ASSERT(c2);
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s1,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(101)));
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_call_start_batch(c1, ops, op - ops, tag(301)));
+
+  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++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv1;
+  op++;
   GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c1, f.client_cq, tag(301), tag(302), 0));
+             grpc_call_start_batch(c1, ops, op - ops, tag(302)));
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
   GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c2, f.client_cq, tag(401), tag(402), 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c1, tag(303)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c2, tag(403)));
+             grpc_call_start_batch(c2, ops, op - ops, tag(401)));
+
+  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++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv1;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_call_start_batch(c2, ops, op - ops, tag(402)));
+
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
+  cq_verify(v_server);
 
-  ev = grpc_completion_queue_next(
-      f.client_cq, gpr_time_add(gpr_now(), gpr_time_from_seconds(10)));
+  ev = grpc_completion_queue_next(f.client_cq,
+                                  GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3));
   GPR_ASSERT(ev);
-  GPR_ASSERT(ev->type == GRPC_FINISH_ACCEPTED);
-  GPR_ASSERT(ev->data.invoke_accepted == GRPC_OP_OK);
+  GPR_ASSERT(ev->type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(ev->data.op_complete == GRPC_OP_OK);
+  GPR_ASSERT(ev->tag == tag(301) || ev->tag == tag(401));
   /* The /alpha or /beta calls started above could be invoked (but NOT both);
    * check this here */
   /* We'll get tag 303 or 403, we want 300, 400 */
-  live_call = ((int)(gpr_intptr) ev->tag) - 3;
+  live_call = ((int)(gpr_intptr)ev->tag) - 1;
   grpc_event_finish(ev);
 
-  cq_expect_server_rpc_new(v_server, &s1, tag(100),
-                           live_call == 300 ? "/alpha" : "/beta",
-                           "foo.test.google.fr", deadline, NULL);
-  cq_verify(v_server);
-
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  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++;
   GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s1, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s1, 0));
-  cq_expect_client_metadata_read(v_client, tag(live_call + 1), NULL);
-  cq_verify(v_client);
+             grpc_call_start_batch(s1, ops, op - ops, tag(102)));
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_status_old(s1, GRPC_STATUS_UNIMPLEMENTED,
-                                              "xyz", tag(103)));
-  cq_expect_finish_accepted(v_server, tag(103), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
+  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
   cq_verify(v_server);
 
+  cq_expect_completion(v_client, tag(live_call + 2), GRPC_OP_OK);
   /* first request is finished, we should be able to start the second */
-  cq_expect_finished_with_status(v_client, tag(live_call + 2),
-                                 GRPC_STATUS_UNIMPLEMENTED, "xyz", NULL);
   live_call = (live_call == 300) ? 400 : 300;
-  cq_expect_finish_accepted(v_client, tag(live_call + 3), GRPC_OP_OK);
+  cq_expect_completion(v_client, tag(live_call + 1), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(200)));
-  cq_expect_server_rpc_new(v_server, &s2, tag(200),
-                           live_call == 300 ? "/alpha" : "/beta",
-                           "foo.test.google.fr", deadline, NULL);
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s2,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(201)));
+  cq_expect_completion(v_server, tag(201), GRPC_OP_OK);
   cq_verify(v_server);
 
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  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++;
   GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s2, f.server_cq, tag(202)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s2, 0));
-  cq_expect_client_metadata_read(v_client, tag(live_call + 1), NULL);
+             grpc_call_start_batch(s2, ops, op - ops, tag(202)));
+
+  cq_expect_completion(v_client, tag(live_call + 2), GRPC_OP_OK);
   cq_verify(v_client);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_status_old(s2, GRPC_STATUS_UNIMPLEMENTED,
-                                              "xyz", tag(203)));
-  cq_expect_finish_accepted(v_server, tag(203), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(202), NULL);
+  cq_expect_completion(v_server, tag(202), GRPC_OP_OK);
   cq_verify(v_server);
 
-  cq_expect_finished_with_status(v_client, tag(live_call + 2),
-                                 GRPC_STATUS_UNIMPLEMENTED, "xyz", NULL);
-  cq_verify(v_client);
-
   cq_verifier_destroy(v_client);
   cq_verifier_destroy(v_server);
 
@@ -265,6 +378,15 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   grpc_call_destroy(c2);
   grpc_call_destroy(s2);
 
+  gpr_free(details1);
+  gpr_free(details2);
+  grpc_metadata_array_destroy(&initial_metadata_recv1);
+  grpc_metadata_array_destroy(&trailing_metadata_recv1);
+  grpc_metadata_array_destroy(&initial_metadata_recv2);
+  grpc_metadata_array_destroy(&trailing_metadata_recv2);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
   end_test(&f);
   config.tear_down_data(&f);
 }
diff --git a/test/core/end2end/tests/max_concurrent_streams_legacy.c b/test/core/end2end/tests/max_concurrent_streams_legacy.c
deleted file mode 100644
index af29e172bb..0000000000
--- a/test/core/end2end/tests/max_concurrent_streams_legacy.c
+++ /dev/null
@@ -1,274 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_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 *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-static void test_max_concurrent_streams(grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f;
-  grpc_arg server_arg;
-  grpc_channel_args server_args;
-  grpc_call *c1;
-  grpc_call *c2;
-  grpc_call *s1;
-  grpc_call *s2;
-  int live_call;
-  gpr_timespec deadline;
-  cq_verifier *v_client;
-  cq_verifier *v_server;
-  grpc_event *ev;
-
-  server_arg.key = GRPC_ARG_MAX_CONCURRENT_STREAMS;
-  server_arg.type = GRPC_ARG_INTEGER;
-  server_arg.value.integer = 1;
-
-  server_args.num_args = 1;
-  server_args.args = &server_arg;
-
-  f = begin_test(config, __FUNCTION__, NULL, &server_args);
-  v_client = cq_verifier_create(f.client_cq);
-  v_server = cq_verifier_create(f.server_cq);
-
-  /* perform a ping-pong to ensure that settings have had a chance to round
-     trip */
-  simple_request_body(f);
-  /* perform another one to make sure that the one stream case still works */
-  simple_request_body(f);
-
-  /* start two requests - ensuring that the second is not accepted until
-     the first completes */
-  deadline = five_seconds_time();
-  c1 = grpc_channel_create_call_old(f.client, "/alpha", "foo.test.google.fr",
-                                    deadline);
-  GPR_ASSERT(c1);
-  c2 = grpc_channel_create_call_old(f.client, "/beta", "foo.test.google.fr",
-                                    deadline);
-  GPR_ASSERT(c1);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c1, f.client_cq, tag(301), tag(302), 0));
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c2, f.client_cq, tag(401), tag(402), 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c1, tag(303)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c2, tag(403)));
-
-  ev = grpc_completion_queue_next(
-      f.client_cq, gpr_time_add(gpr_now(), gpr_time_from_seconds(10)));
-  GPR_ASSERT(ev);
-  GPR_ASSERT(ev->type == GRPC_FINISH_ACCEPTED);
-  GPR_ASSERT(ev->data.invoke_accepted == GRPC_OP_OK);
-  /* The /alpha or /beta calls started above could be invoked (but NOT both);
-   * check this here */
-  /* We'll get tag 303 or 403, we want 300, 400 */
-  live_call = ((int)(gpr_intptr) ev->tag) - 3;
-  grpc_event_finish(ev);
-
-  cq_expect_server_rpc_new(v_server, &s1, tag(100),
-                           live_call == 300 ? "/alpha" : "/beta",
-                           "foo.test.google.fr", deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s1, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s1, 0));
-  cq_expect_client_metadata_read(v_client, tag(live_call + 1), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_status_old(s1, GRPC_STATUS_UNIMPLEMENTED,
-                                              "xyz", tag(103)));
-  cq_expect_finish_accepted(v_server, tag(103), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  /* first request is finished, we should be able to start the second */
-  cq_expect_finished_with_status(v_client, tag(live_call + 2),
-                                 GRPC_STATUS_UNIMPLEMENTED, "xyz", NULL);
-  live_call = (live_call == 300) ? 400 : 300;
-  cq_expect_finish_accepted(v_client, tag(live_call + 3), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(200)));
-  cq_expect_server_rpc_new(v_server, &s2, tag(200),
-                           live_call == 300 ? "/alpha" : "/beta",
-                           "foo.test.google.fr", deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s2, f.server_cq, tag(202)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s2, 0));
-  cq_expect_client_metadata_read(v_client, tag(live_call + 1), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_status_old(s2, GRPC_STATUS_UNIMPLEMENTED,
-                                              "xyz", tag(203)));
-  cq_expect_finish_accepted(v_server, tag(203), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(202), NULL);
-  cq_verify(v_server);
-
-  cq_expect_finished_with_status(v_client, tag(live_call + 2),
-                                 GRPC_STATUS_UNIMPLEMENTED, "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-
-  grpc_call_destroy(c1);
-  grpc_call_destroy(s1);
-  grpc_call_destroy(c2);
-  grpc_call_destroy(s2);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_max_concurrent_streams(config);
-}
diff --git a/test/core/end2end/tests/no_op_legacy.c b/test/core/end2end/tests/no_op_legacy.c
deleted file mode 100644
index 497bdccdbd..0000000000
--- a/test/core/end2end/tests/no_op_legacy.c
+++ /dev/null
@@ -1,109 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static void test_no_op(grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) { test_no_op(config); }
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 23721e9133..fe02f25875 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -105,93 +105,148 @@ static void end_test(grpc_end2end_test_fixture *f) {
 /* Client pings and server pongs. Repeat messages rounds before finishing. */
 static void test_pingpong_streaming(grpc_end2end_test_config config,
                                     int messages) {
-  int i;
-  grpc_call *c;
-  grpc_call *s = NULL;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
-  grpc_byte_buffer *request_payload = NULL;
-  grpc_byte_buffer *response_payload = NULL;
-  gpr_timespec deadline = n_seconds_time(messages * 5);
   grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  grpc_call *c;
+  grpc_call *s;
+  gpr_timespec deadline = five_seconds_time();
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_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;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+  grpc_byte_buffer *request_payload;
+  grpc_byte_buffer *request_payload_recv;
+  grpc_byte_buffer *response_payload;
+  grpc_byte_buffer *response_payload_recv;
+  int i;
+  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
 
-  gpr_log(GPR_INFO, "testing with %d message pairs.", messages);
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr:1234", deadline);
   GPR_ASSERT(c);
 
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
+  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++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(100)));
+  cq_expect_completion(v_server, tag(100), GRPC_OP_OK);
   cq_verify(v_server);
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
 
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(101)));
 
   for (i = 0; i < messages; i++) {
     request_payload = grpc_byte_buffer_create(&request_payload_slice, 1);
-    GPR_ASSERT(GRPC_CALL_OK ==
-               grpc_call_start_write_old(c, request_payload, tag(2), 0));
-    /* destroy byte buffer early to ensure async code keeps track of its
-       contents
-       correctly */
-    grpc_byte_buffer_destroy(request_payload);
-    cq_expect_write_accepted(v_client, tag(2), GRPC_OP_OK);
-    cq_verify(v_client);
+    response_payload = grpc_byte_buffer_create(&response_payload_slice, 1);
 
-    GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(3)));
-    cq_expect_read(v_server, tag(3),
-                   gpr_slice_from_copied_string("hello world"));
+    op = ops;
+    op->op = GRPC_OP_SEND_MESSAGE;
+    op->data.send_message = request_payload;
+    op++;
+    op->op = GRPC_OP_RECV_MESSAGE;
+    op->data.recv_message = &response_payload_recv;
+    op++;
+    GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(2)));
+
+    op = ops;
+    op->op = GRPC_OP_RECV_MESSAGE;
+    op->data.recv_message = &request_payload_recv;
+    op++;
+    GPR_ASSERT(GRPC_CALL_OK ==
+               grpc_call_start_batch(s, ops, op - ops, tag(102)));
+    cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
     cq_verify(v_server);
 
-    response_payload = grpc_byte_buffer_create(&response_payload_slice, 1);
+    op = ops;
+    op->op = GRPC_OP_SEND_MESSAGE;
+    op->data.send_message = response_payload;
+    op++;
     GPR_ASSERT(GRPC_CALL_OK ==
-               grpc_call_start_write_old(s, response_payload, tag(4), 0));
-    /* destroy byte buffer early to ensure async code keeps track of its
-       contents
-       correctly */
-    grpc_byte_buffer_destroy(response_payload);
-    cq_expect_write_accepted(v_server, tag(4), GRPC_OP_OK);
+               grpc_call_start_batch(s, ops, op - ops, tag(103)));
+    cq_expect_completion(v_server, tag(103), GRPC_OP_OK);
     cq_verify(v_server);
 
-    GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(c, tag(5)));
-    cq_expect_read(v_client, tag(5), gpr_slice_from_copied_string("hello you"));
+    cq_expect_completion(v_client, tag(2), GRPC_OP_OK);
     cq_verify(v_client);
+
+    grpc_byte_buffer_destroy(request_payload);
+    grpc_byte_buffer_destroy(response_payload);
+    grpc_byte_buffer_destroy(request_payload_recv);
+    grpc_byte_buffer_destroy(response_payload_recv);
   }
 
   gpr_slice_unref(request_payload_slice);
   gpr_slice_unref(response_payload_slice);
 
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(6)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(7)));
-
-  cq_expect_finish_accepted(v_client, tag(6), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
+  op = ops;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(3)));
+
+  op = ops;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(104)));
+
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
+  cq_expect_completion(v_client, tag(3), GRPC_OP_OK);
   cq_verify(v_client);
 
-  cq_expect_finish_accepted(v_server, tag(7), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
+  cq_expect_completion(v_server, tag(104), GRPC_OP_OK);
   cq_verify(v_server);
 
   grpc_call_destroy(c);
   grpc_call_destroy(s);
 
-  end_test(&f);
-  config.tear_down_data(&f);
-
   cq_verifier_destroy(v_client);
   cq_verifier_destroy(v_server);
+
+  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);
+  gpr_free(details);
+
+  end_test(&f);
+  config.tear_down_data(&f);
 }
 
 void grpc_end2end_tests(grpc_end2end_test_config config) {
diff --git a/test/core/end2end/tests/ping_pong_streaming_legacy.c b/test/core/end2end/tests/ping_pong_streaming_legacy.c
deleted file mode 100644
index 23721e9133..0000000000
--- a/test/core/end2end/tests/ping_pong_streaming_legacy.c
+++ /dev/null
@@ -1,203 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Client pings and server pongs. Repeat messages rounds before finishing. */
-static void test_pingpong_streaming(grpc_end2end_test_config config,
-                                    int messages) {
-  int i;
-  grpc_call *c;
-  grpc_call *s = NULL;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
-  grpc_byte_buffer *request_payload = NULL;
-  grpc_byte_buffer *response_payload = NULL;
-  gpr_timespec deadline = n_seconds_time(messages * 5);
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  gpr_log(GPR_INFO, "testing with %d message pairs.", messages);
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  for (i = 0; i < messages; i++) {
-    request_payload = grpc_byte_buffer_create(&request_payload_slice, 1);
-    GPR_ASSERT(GRPC_CALL_OK ==
-               grpc_call_start_write_old(c, request_payload, tag(2), 0));
-    /* destroy byte buffer early to ensure async code keeps track of its
-       contents
-       correctly */
-    grpc_byte_buffer_destroy(request_payload);
-    cq_expect_write_accepted(v_client, tag(2), GRPC_OP_OK);
-    cq_verify(v_client);
-
-    GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(3)));
-    cq_expect_read(v_server, tag(3),
-                   gpr_slice_from_copied_string("hello world"));
-    cq_verify(v_server);
-
-    response_payload = grpc_byte_buffer_create(&response_payload_slice, 1);
-    GPR_ASSERT(GRPC_CALL_OK ==
-               grpc_call_start_write_old(s, response_payload, tag(4), 0));
-    /* destroy byte buffer early to ensure async code keeps track of its
-       contents
-       correctly */
-    grpc_byte_buffer_destroy(response_payload);
-    cq_expect_write_accepted(v_server, tag(4), GRPC_OP_OK);
-    cq_verify(v_server);
-
-    GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(c, tag(5)));
-    cq_expect_read(v_client, tag(5), gpr_slice_from_copied_string("hello you"));
-    cq_verify(v_client);
-  }
-
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(6)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(7)));
-
-  cq_expect_finish_accepted(v_client, tag(6), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(7), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  int i;
-
-  for (i = 1; i < 10; i++) {
-    test_pingpong_streaming(config, i);
-  }
-}
diff --git a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload_legacy.c b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload_legacy.c
deleted file mode 100644
index f0cb14ae3c..0000000000
--- a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload_legacy.c
+++ /dev/null
@@ -1,231 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Request/response with metadata and payload.*/
-static void test_request_response_with_metadata_and_payload(
-    grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
-  grpc_byte_buffer *request_payload =
-      grpc_byte_buffer_create(&request_payload_slice, 1);
-  grpc_byte_buffer *response_payload =
-      grpc_byte_buffer_create(&response_payload_slice, 1);
-  gpr_timespec deadline = five_seconds_time();
-  /* staggered lengths to ensure we hit various branches in base64 encode/decode
-   */
-  grpc_metadata meta1 = {"key1-bin",
-                         "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc",
-                         13,
-                         {{NULL, NULL, NULL}}};
-  grpc_metadata meta2 = {
-      "key2-bin",
-      "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d",
-      14,
-      {{NULL, NULL, NULL}}};
-  grpc_metadata meta3 = {
-      "key3-bin",
-      "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee",
-      15,
-      {{NULL, NULL, NULL}}};
-  grpc_metadata meta4 = {
-      "key4-bin",
-      "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff",
-      16,
-      {{NULL, NULL, NULL}}};
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  /* add multiple metadata */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(c, &meta1, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(c, &meta2, 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(c, request_payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(request_payload);
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  cq_expect_server_rpc_new(
-      v_server, &s, tag(100), "/foo", "foo.test.google.fr", deadline,
-      "key1-bin", "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc",
-      "key2-bin", "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d",
-      NULL);
-  cq_verify(v_server);
-
-  grpc_call_server_accept_old(s, f.server_cq, tag(102));
-
-  /* add multiple metadata */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(s, &meta3, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(s, &meta4, 0));
-
-  grpc_call_server_end_initial_metadata_old(s, 0);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
-  cq_expect_read(v_server, tag(5), gpr_slice_from_copied_string("hello world"));
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(s, response_payload, tag(6), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(response_payload);
-  cq_expect_write_accepted(v_server, tag(6), GRPC_OP_OK);
-  cq_verify(v_server);
-
-  /* fetch metadata.. */
-  cq_expect_client_metadata_read(
-      v_client, tag(2), "key3-bin",
-      "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee",
-      "key4-bin",
-      "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff", NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(c, tag(7)));
-  cq_expect_read(v_client, tag(7), gpr_slice_from_copied_string("hello you"));
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(8)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(9)));
-
-  cq_expect_finish_accepted(v_client, tag(8), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(9), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_request_response_with_metadata_and_payload(config);
-}
diff --git a/test/core/end2end/tests/request_response_with_metadata_and_payload_legacy.c b/test/core/end2end/tests/request_response_with_metadata_and_payload_legacy.c
deleted file mode 100644
index aaf8a53d52..0000000000
--- a/test/core/end2end/tests/request_response_with_metadata_and_payload_legacy.c
+++ /dev/null
@@ -1,208 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Request/response with metadata and payload.*/
-static void test_request_response_with_metadata_and_payload(
-    grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
-  grpc_byte_buffer *request_payload =
-      grpc_byte_buffer_create(&request_payload_slice, 1);
-  grpc_byte_buffer *response_payload =
-      grpc_byte_buffer_create(&response_payload_slice, 1);
-  gpr_timespec deadline = five_seconds_time();
-  grpc_metadata meta1 = {"key1", "val1", 4, {{NULL, NULL, NULL}}};
-  grpc_metadata meta2 = {"key2", "val2", 4, {{NULL, NULL, NULL}}};
-  grpc_metadata meta3 = {"key3", "val3", 4, {{NULL, NULL, NULL}}};
-  grpc_metadata meta4 = {"key4", "val4", 4, {{NULL, NULL, NULL}}};
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  /* add multiple metadata */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(c, &meta1, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(c, &meta2, 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(c, request_payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(request_payload);
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, "key1", "val1", "key2", "val2", NULL);
-  cq_verify(v_server);
-
-  grpc_call_server_accept_old(s, f.server_cq, tag(102));
-
-  /* add multiple metadata */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(s, &meta3, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(s, &meta4, 0));
-
-  grpc_call_server_end_initial_metadata_old(s, 0);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
-  cq_expect_read(v_server, tag(5), gpr_slice_from_copied_string("hello world"));
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(s, response_payload, tag(6), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(response_payload);
-  cq_expect_write_accepted(v_server, tag(6), GRPC_OP_OK);
-  cq_verify(v_server);
-
-  /* fetch metadata.. */
-  cq_expect_client_metadata_read(v_client, tag(2), "key3", "val3", "key4",
-                                 "val4", NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(c, tag(7)));
-  cq_expect_read(v_client, tag(7), gpr_slice_from_copied_string("hello you"));
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(8)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(9)));
-
-  cq_expect_finish_accepted(v_client, tag(8), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(9), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_request_response_with_metadata_and_payload(config);
-}
diff --git a/test/core/end2end/tests/request_response_with_payload_legacy.c b/test/core/end2end/tests/request_response_with_payload_legacy.c
deleted file mode 100644
index bc9e0aec3e..0000000000
--- a/test/core/end2end/tests/request_response_with_payload_legacy.c
+++ /dev/null
@@ -1,208 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static void request_response_with_payload(grpc_end2end_test_fixture f) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
-  grpc_byte_buffer *request_payload =
-      grpc_byte_buffer_create(&request_payload_slice, 1);
-  grpc_byte_buffer *response_payload =
-      grpc_byte_buffer_create(&response_payload_slice, 1);
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(c, request_payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(request_payload);
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
-  cq_expect_read(v_server, tag(5), gpr_slice_from_copied_string("hello world"));
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(s, response_payload, tag(6), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(response_payload);
-  cq_expect_write_accepted(v_server, tag(6), GRPC_OP_OK);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(c, tag(7)));
-  cq_expect_read(v_client, tag(7), gpr_slice_from_copied_string("hello you"));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(8)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(9)));
-
-  cq_expect_finish_accepted(v_client, tag(8), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(9), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-/* Client sends a request with payload, server reads then returns a response
-   payload and status. */
-static void test_invoke_request_response_with_payload(
-    grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  request_response_with_payload(f);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-static void test_invoke_10_request_response_with_payload(
-    grpc_end2end_test_config config) {
-  int i;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  for (i = 0; i < 10; i++) {
-    request_response_with_payload(f);
-  }
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_invoke_request_response_with_payload(config);
-  test_invoke_10_request_response_with_payload(config);
-}
diff --git a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload_legacy.c b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload_legacy.c
deleted file mode 100644
index aaa6078fa6..0000000000
--- a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload_legacy.c
+++ /dev/null
@@ -1,213 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Request/response with metadata and payload.*/
-static void test_request_response_with_metadata_and_payload(
-    grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
-  grpc_byte_buffer *request_payload =
-      grpc_byte_buffer_create(&request_payload_slice, 1);
-  grpc_byte_buffer *response_payload =
-      grpc_byte_buffer_create(&response_payload_slice, 1);
-  gpr_timespec deadline = five_seconds_time();
-  grpc_metadata meta1 = {"key1", "val1", 4, {{NULL, NULL, NULL}}};
-  grpc_metadata meta2 = {"key2", "val2", 4, {{NULL, NULL, NULL}}};
-  grpc_metadata meta3 = {"key3", "val3", 4, {{NULL, NULL, NULL}}};
-  grpc_metadata meta4 = {"key4", "val4", 4, {{NULL, NULL, NULL}}};
-  grpc_metadata meta5 = {"key5", "val5", 4, {{NULL, NULL, NULL}}};
-  grpc_metadata meta6 = {"key6", "val6", 4, {{NULL, NULL, NULL}}};
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  /* add multiple metadata */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(c, &meta1, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(c, &meta2, 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(c, request_payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(request_payload);
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, "key1", "val1", "key2", "val2", NULL);
-  cq_verify(v_server);
-
-  grpc_call_server_accept_old(s, f.server_cq, tag(102));
-
-  /* add multiple metadata */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(s, &meta3, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(s, &meta4, 0));
-
-  grpc_call_server_end_initial_metadata_old(s, 0);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(s, &meta5, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(s, &meta6, 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
-  cq_expect_read(v_server, tag(5), gpr_slice_from_copied_string("hello world"));
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(s, response_payload, tag(6), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(response_payload);
-  cq_expect_write_accepted(v_server, tag(6), GRPC_OP_OK);
-  cq_verify(v_server);
-
-  /* fetch metadata.. */
-  cq_expect_client_metadata_read(v_client, tag(2), "key3", "val3", "key4",
-                                 "val4", NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(c, tag(7)));
-  cq_expect_read(v_client, tag(7), gpr_slice_from_copied_string("hello you"));
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(8)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(9)));
-
-  cq_expect_finish_accepted(v_client, tag(8), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", "key5", "val5", "key6", "val6", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(9), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_request_response_with_metadata_and_payload(config);
-}
diff --git a/test/core/end2end/tests/request_with_large_metadata_legacy.c b/test/core/end2end/tests/request_with_large_metadata_legacy.c
deleted file mode 100644
index 082b5ad05c..0000000000
--- a/test/core/end2end/tests/request_with_large_metadata_legacy.c
+++ /dev/null
@@ -1,172 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Request with a large amount of metadata.*/
-static void test_request_with_large_metadata(grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_timespec deadline = five_seconds_time();
-  grpc_metadata meta;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-  const int large_size = 64 * 1024;
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  meta.key = "key";
-  meta.value = gpr_malloc(large_size + 1);
-  memset((char *)meta.value, 'a', large_size);
-  ((char *)meta.value)[large_size] = 0;
-  meta.value_length = large_size;
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  /* add the metadata */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(c, &meta, 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, "key", meta.value, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-
-  /* fetch metadata.. */
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(8)));
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_status_old(s, GRPC_STATUS_OK, NULL, tag(9)));
-
-  cq_expect_finish_accepted(v_client, tag(8), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_OK, NULL, NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(9), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-
-  gpr_free((char *)meta.value);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_request_with_large_metadata(config);
-}
diff --git a/test/core/end2end/tests/request_with_payload_legacy.c b/test/core/end2end/tests/request_with_payload_legacy.c
deleted file mode 100644
index 266f9bd560..0000000000
--- a/test/core/end2end/tests/request_with_payload_legacy.c
+++ /dev/null
@@ -1,172 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* Client sends a request with payload, server reads then returns status. */
-static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_slice payload_slice = gpr_slice_from_copied_string("hello world");
-  grpc_byte_buffer *payload = grpc_byte_buffer_create(&payload_slice, 1);
-  gpr_timespec deadline = five_seconds_time();
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(payload_slice);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_old(c, payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(payload);
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(4)));
-  cq_expect_read(v_server, tag(4), gpr_slice_from_copied_string("hello world"));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(5)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(6)));
-  cq_expect_finish_accepted(v_client, tag(5), GRPC_OP_OK);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(6), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_invoke_request_with_payload(config);
-}
diff --git a/test/core/end2end/tests/simple_delayed_request_legacy.c b/test/core/end2end/tests/simple_delayed_request_legacy.c
deleted file mode 100644
index 7ab97eec3b..0000000000
--- a/test/core/end2end/tests/simple_delayed_request_legacy.c
+++ /dev/null
@@ -1,175 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr t) { return (void *)t; }
-
-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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-static void simple_delayed_request_body(grpc_end2end_test_config config,
-                                        grpc_end2end_test_fixture *f,
-                                        grpc_channel_args *client_args,
-                                        grpc_channel_args *server_args,
-                                        long delay_us) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f->client_cq);
-  cq_verifier *v_server = cq_verifier_create(f->server_cq);
-
-  config.init_client(f, client_args);
-
-  c = grpc_channel_create_call_old(f->client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f->client_cq, tag(2), tag(3), 0));
-
-  config.init_server(f, server_args);
-
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f->server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f->server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-static void test_simple_delayed_request_short(grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f;
-
-  gpr_log(GPR_INFO, "%s/%s", __FUNCTION__, config.name);
-  f = config.create_fixture(NULL, NULL);
-  simple_delayed_request_body(config, &f, NULL, NULL, 100000);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-static void test_simple_delayed_request_long(grpc_end2end_test_config config) {
-  grpc_end2end_test_fixture f;
-
-  gpr_log(GPR_INFO, "%s/%s", __FUNCTION__, config.name);
-  f = config.create_fixture(NULL, NULL);
-  /* This timeout should be longer than a single retry */
-  simple_delayed_request_body(config, &f, NULL, NULL, 1500000);
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  if (config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION) {
-    test_simple_delayed_request_short(config);
-    test_simple_delayed_request_long(config);
-  }
-}
diff --git a/test/core/end2end/tests/simple_request_legacy.c b/test/core/end2end/tests/simple_request_legacy.c
deleted file mode 100644
index 3e1b3f6c7c..0000000000
--- a/test/core/end2end/tests/simple_request_legacy.c
+++ /dev/null
@@ -1,232 +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 <unistd.h>
-
-#include "src/core/support/string.h"
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_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 *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-/* an alternative ordering of the simple request body */
-static void simple_request_body2(grpc_end2end_test_fixture f) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
-  cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
-  cq_verify(v_server);
-
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-static void test_invoke_simple_request(
-    grpc_end2end_test_config config, const char *name,
-    void (*body)(grpc_end2end_test_fixture f)) {
-  char *fullname;
-  grpc_end2end_test_fixture f;
-
-  gpr_asprintf(&fullname, "%s/%s", __FUNCTION__, name);
-
-  f = begin_test(config, fullname, NULL, NULL);
-  body(f);
-  end_test(&f);
-  config.tear_down_data(&f);
-  gpr_free(fullname);
-}
-
-static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
-  int i;
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, 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 grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_invoke_simple_request(config, "simple_request_body",
-                             simple_request_body);
-  test_invoke_simple_request(config, "simple_request_body2",
-                             simple_request_body2);
-  test_invoke_10_simple_requests(config);
-}
diff --git a/test/core/end2end/tests/thread_stress.c b/test/core/end2end/tests/thread_stress.c
deleted file mode 100644
index a42956f7bc..0000000000
--- a/test/core/end2end/tests/thread_stress.c
+++ /dev/null
@@ -1,325 +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/surface/event_string.h"
-#include "src/core/surface/completion_queue.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/thd.h>
-#include "test/core/util/test_config.h"
-
-#define SERVER_THREADS 16
-#define CLIENT_THREADS 16
-
-static grpc_end2end_test_fixture g_fixture;
-static gpr_timespec g_test_end_time;
-static gpr_event g_client_done[CLIENT_THREADS];
-static gpr_event g_server_done[SERVER_THREADS];
-static gpr_mu g_mu;
-static int g_active_requests;
-
-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); }
-
-/* Drain pending events on a completion queue until it's ready to destroy.
-   Does some post-processing to safely release memory on some of the events. */
-static void drain_cq(int client, grpc_completion_queue *cq) {
-  grpc_event *ev;
-  grpc_completion_type type;
-  char *evstr;
-  int done = 0;
-  char *name = client ? "client" : "server";
-  while (!done) {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    if (!ev) {
-      gpr_log(GPR_ERROR, "waiting for %s cq to drain", name);
-      grpc_cq_dump_pending_ops(cq);
-      continue;
-    }
-
-    evstr = grpc_event_string(ev);
-    gpr_log(GPR_INFO, "got late %s event: %s", name, evstr);
-    gpr_free(evstr);
-
-    type = ev->type;
-    switch (type) {
-      case GRPC_SERVER_RPC_NEW:
-        gpr_free(ev->tag);
-        if (ev->call) {
-          grpc_call_destroy(ev->call);
-        }
-        break;
-      case GRPC_FINISHED:
-        grpc_call_destroy(ev->call);
-        break;
-      case GRPC_QUEUE_SHUTDOWN:
-        done = 1;
-        break;
-      case GRPC_READ:
-      case GRPC_WRITE_ACCEPTED:
-        if (!client && gpr_unref(ev->tag)) {
-          gpr_free(ev->tag);
-        }
-      default:
-        break;
-    }
-    grpc_event_finish(ev);
-  }
-}
-
-/* Kick off a new request - assumes g_mu taken */
-static void start_request(void) {
-  gpr_slice slice = gpr_slice_malloc(100);
-  grpc_byte_buffer *buf;
-  grpc_call *call = grpc_channel_create_call_old(
-      g_fixture.client, "/Foo", "foo.test.google.fr", g_test_end_time);
-
-  memset(GPR_SLICE_START_PTR(slice), 1, GPR_SLICE_LENGTH(slice));
-  buf = grpc_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
-
-  g_active_requests++;
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(call, g_fixture.client_cq, NULL, NULL, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(call, NULL));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_old(call, buf, NULL, 0));
-
-  grpc_byte_buffer_destroy(buf);
-}
-
-/* Async client: handle sending requests, reading responses, and starting
-   new requests when old ones finish */
-static void client_thread(void *p) {
-  gpr_intptr id = (gpr_intptr)p;
-  grpc_event *ev;
-  char *estr;
-
-  for (;;) {
-    ev = grpc_completion_queue_next(g_fixture.client_cq, n_seconds_time(1));
-    if (ev) {
-      switch (ev->type) {
-        default:
-          estr = grpc_event_string(ev);
-          gpr_log(GPR_ERROR, "unexpected event: %s", estr);
-          gpr_free(estr);
-          break;
-        case GRPC_READ:
-          break;
-        case GRPC_WRITE_ACCEPTED:
-          GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(ev->call, NULL));
-          break;
-        case GRPC_FINISH_ACCEPTED:
-          break;
-        case GRPC_CLIENT_METADATA_READ:
-          break;
-        case GRPC_FINISHED:
-          /* kick off a new request if the test should still be running */
-          gpr_mu_lock(&g_mu);
-          g_active_requests--;
-          if (gpr_time_cmp(gpr_now(), g_test_end_time) < 0) {
-            start_request();
-          }
-          gpr_mu_unlock(&g_mu);
-          grpc_call_destroy(ev->call);
-          break;
-      }
-      grpc_event_finish(ev);
-    }
-    gpr_mu_lock(&g_mu);
-    if (g_active_requests == 0) {
-      gpr_mu_unlock(&g_mu);
-      break;
-    }
-    gpr_mu_unlock(&g_mu);
-  }
-
-  gpr_event_set(&g_client_done[id], (void *)1);
-}
-
-/* Request a new server call. We tag them with a ref-count that starts at two,
-   and decrements after each of: a read completes and a write completes.
-   When it drops to zero, we write status */
-static void request_server_call(void) {
-  gpr_refcount *rc = gpr_malloc(sizeof(gpr_refcount));
-  gpr_ref_init(rc, 2);
-  grpc_server_request_call_old(g_fixture.server, rc);
-}
-
-static void maybe_end_server_call(grpc_call *call, gpr_refcount *rc) {
-  if (gpr_unref(rc)) {
-    GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                   call, GRPC_STATUS_OK, NULL, NULL));
-    gpr_free(rc);
-  }
-}
-
-static void server_thread(void *p) {
-  int id = (gpr_intptr)p;
-  gpr_slice slice = gpr_slice_malloc(100);
-  grpc_byte_buffer *buf;
-  grpc_event *ev;
-  char *estr;
-
-  memset(GPR_SLICE_START_PTR(slice), 1, GPR_SLICE_LENGTH(slice));
-  buf = grpc_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
-
-  request_server_call();
-
-  for (;;) {
-    ev = grpc_completion_queue_next(g_fixture.server_cq, n_seconds_time(1));
-    if (ev) {
-      switch (ev->type) {
-        default:
-          estr = grpc_event_string(ev);
-          gpr_log(GPR_ERROR, "unexpected event: %s", estr);
-          gpr_free(estr);
-          break;
-        case GRPC_SERVER_RPC_NEW:
-          if (ev->call) {
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_server_accept_old(
-                           ev->call, g_fixture.server_cq, ev->tag));
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_server_end_initial_metadata_old(ev->call, 0));
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_start_read_old(ev->call, ev->tag));
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_start_write_old(ev->call, buf, ev->tag, 0));
-          } else {
-            gpr_free(ev->tag);
-          }
-          break;
-        case GRPC_READ:
-          if (ev->data.read) {
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_start_read_old(ev->call, ev->tag));
-          } else {
-            maybe_end_server_call(ev->call, ev->tag);
-          }
-          break;
-        case GRPC_WRITE_ACCEPTED:
-          maybe_end_server_call(ev->call, ev->tag);
-          break;
-        case GRPC_FINISH_ACCEPTED:
-          break;
-        case GRPC_FINISHED:
-          grpc_call_destroy(ev->call);
-          request_server_call();
-          break;
-      }
-      grpc_event_finish(ev);
-    }
-    gpr_mu_lock(&g_mu);
-    if (g_active_requests == 0) {
-      gpr_mu_unlock(&g_mu);
-      break;
-    }
-    gpr_mu_unlock(&g_mu);
-  }
-
-  grpc_byte_buffer_destroy(buf);
-  gpr_event_set(&g_server_done[id], (void *)1);
-}
-
-static void run_test(grpc_end2end_test_config config, int requests_in_flight) {
-  int i;
-  gpr_thd_id thd_id;
-
-  gpr_log(GPR_INFO, "thread_stress_test/%s @ %d requests", config.name,
-          requests_in_flight);
-
-  /* setup client, server */
-  g_fixture = config.create_fixture(NULL, NULL);
-  config.init_client(&g_fixture, NULL);
-  config.init_server(&g_fixture, NULL);
-
-  /* schedule end time */
-  g_test_end_time = n_seconds_time(5);
-
-  g_active_requests = 0;
-  gpr_mu_init(&g_mu);
-
-  /* kick off threads */
-  for (i = 0; i < CLIENT_THREADS; i++) {
-    gpr_event_init(&g_client_done[i]);
-    gpr_thd_new(&thd_id, client_thread, (void *)(gpr_intptr) i, NULL);
-  }
-  for (i = 0; i < SERVER_THREADS; i++) {
-    gpr_event_init(&g_server_done[i]);
-    gpr_thd_new(&thd_id, server_thread, (void *)(gpr_intptr) i, NULL);
-  }
-
-  /* start requests */
-  gpr_mu_lock(&g_mu);
-  for (i = 0; i < requests_in_flight; i++) {
-    start_request();
-  }
-  gpr_mu_unlock(&g_mu);
-
-  /* await completion */
-  for (i = 0; i < CLIENT_THREADS; i++) {
-    gpr_event_wait(&g_client_done[i], gpr_inf_future);
-  }
-  for (i = 0; i < SERVER_THREADS; i++) {
-    gpr_event_wait(&g_server_done[i], gpr_inf_future);
-  }
-
-  /* shutdown the things */
-  grpc_server_shutdown(g_fixture.server);
-  grpc_server_destroy(g_fixture.server);
-  grpc_channel_destroy(g_fixture.client);
-
-  grpc_completion_queue_shutdown(g_fixture.server_cq);
-  drain_cq(0, g_fixture.server_cq);
-  grpc_completion_queue_destroy(g_fixture.server_cq);
-  grpc_completion_queue_shutdown(g_fixture.client_cq);
-  drain_cq(1, g_fixture.client_cq);
-  grpc_completion_queue_destroy(g_fixture.client_cq);
-
-  config.tear_down_data(&g_fixture);
-
-  gpr_mu_destroy(&g_mu);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  run_test(config, 1000);
-}
diff --git a/test/core/end2end/tests/thread_stress_legacy.c b/test/core/end2end/tests/thread_stress_legacy.c
deleted file mode 100644
index a42956f7bc..0000000000
--- a/test/core/end2end/tests/thread_stress_legacy.c
+++ /dev/null
@@ -1,325 +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/surface/event_string.h"
-#include "src/core/surface/completion_queue.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/thd.h>
-#include "test/core/util/test_config.h"
-
-#define SERVER_THREADS 16
-#define CLIENT_THREADS 16
-
-static grpc_end2end_test_fixture g_fixture;
-static gpr_timespec g_test_end_time;
-static gpr_event g_client_done[CLIENT_THREADS];
-static gpr_event g_server_done[SERVER_THREADS];
-static gpr_mu g_mu;
-static int g_active_requests;
-
-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); }
-
-/* Drain pending events on a completion queue until it's ready to destroy.
-   Does some post-processing to safely release memory on some of the events. */
-static void drain_cq(int client, grpc_completion_queue *cq) {
-  grpc_event *ev;
-  grpc_completion_type type;
-  char *evstr;
-  int done = 0;
-  char *name = client ? "client" : "server";
-  while (!done) {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    if (!ev) {
-      gpr_log(GPR_ERROR, "waiting for %s cq to drain", name);
-      grpc_cq_dump_pending_ops(cq);
-      continue;
-    }
-
-    evstr = grpc_event_string(ev);
-    gpr_log(GPR_INFO, "got late %s event: %s", name, evstr);
-    gpr_free(evstr);
-
-    type = ev->type;
-    switch (type) {
-      case GRPC_SERVER_RPC_NEW:
-        gpr_free(ev->tag);
-        if (ev->call) {
-          grpc_call_destroy(ev->call);
-        }
-        break;
-      case GRPC_FINISHED:
-        grpc_call_destroy(ev->call);
-        break;
-      case GRPC_QUEUE_SHUTDOWN:
-        done = 1;
-        break;
-      case GRPC_READ:
-      case GRPC_WRITE_ACCEPTED:
-        if (!client && gpr_unref(ev->tag)) {
-          gpr_free(ev->tag);
-        }
-      default:
-        break;
-    }
-    grpc_event_finish(ev);
-  }
-}
-
-/* Kick off a new request - assumes g_mu taken */
-static void start_request(void) {
-  gpr_slice slice = gpr_slice_malloc(100);
-  grpc_byte_buffer *buf;
-  grpc_call *call = grpc_channel_create_call_old(
-      g_fixture.client, "/Foo", "foo.test.google.fr", g_test_end_time);
-
-  memset(GPR_SLICE_START_PTR(slice), 1, GPR_SLICE_LENGTH(slice));
-  buf = grpc_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
-
-  g_active_requests++;
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(call, g_fixture.client_cq, NULL, NULL, 0));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(call, NULL));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_old(call, buf, NULL, 0));
-
-  grpc_byte_buffer_destroy(buf);
-}
-
-/* Async client: handle sending requests, reading responses, and starting
-   new requests when old ones finish */
-static void client_thread(void *p) {
-  gpr_intptr id = (gpr_intptr)p;
-  grpc_event *ev;
-  char *estr;
-
-  for (;;) {
-    ev = grpc_completion_queue_next(g_fixture.client_cq, n_seconds_time(1));
-    if (ev) {
-      switch (ev->type) {
-        default:
-          estr = grpc_event_string(ev);
-          gpr_log(GPR_ERROR, "unexpected event: %s", estr);
-          gpr_free(estr);
-          break;
-        case GRPC_READ:
-          break;
-        case GRPC_WRITE_ACCEPTED:
-          GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(ev->call, NULL));
-          break;
-        case GRPC_FINISH_ACCEPTED:
-          break;
-        case GRPC_CLIENT_METADATA_READ:
-          break;
-        case GRPC_FINISHED:
-          /* kick off a new request if the test should still be running */
-          gpr_mu_lock(&g_mu);
-          g_active_requests--;
-          if (gpr_time_cmp(gpr_now(), g_test_end_time) < 0) {
-            start_request();
-          }
-          gpr_mu_unlock(&g_mu);
-          grpc_call_destroy(ev->call);
-          break;
-      }
-      grpc_event_finish(ev);
-    }
-    gpr_mu_lock(&g_mu);
-    if (g_active_requests == 0) {
-      gpr_mu_unlock(&g_mu);
-      break;
-    }
-    gpr_mu_unlock(&g_mu);
-  }
-
-  gpr_event_set(&g_client_done[id], (void *)1);
-}
-
-/* Request a new server call. We tag them with a ref-count that starts at two,
-   and decrements after each of: a read completes and a write completes.
-   When it drops to zero, we write status */
-static void request_server_call(void) {
-  gpr_refcount *rc = gpr_malloc(sizeof(gpr_refcount));
-  gpr_ref_init(rc, 2);
-  grpc_server_request_call_old(g_fixture.server, rc);
-}
-
-static void maybe_end_server_call(grpc_call *call, gpr_refcount *rc) {
-  if (gpr_unref(rc)) {
-    GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                   call, GRPC_STATUS_OK, NULL, NULL));
-    gpr_free(rc);
-  }
-}
-
-static void server_thread(void *p) {
-  int id = (gpr_intptr)p;
-  gpr_slice slice = gpr_slice_malloc(100);
-  grpc_byte_buffer *buf;
-  grpc_event *ev;
-  char *estr;
-
-  memset(GPR_SLICE_START_PTR(slice), 1, GPR_SLICE_LENGTH(slice));
-  buf = grpc_byte_buffer_create(&slice, 1);
-  gpr_slice_unref(slice);
-
-  request_server_call();
-
-  for (;;) {
-    ev = grpc_completion_queue_next(g_fixture.server_cq, n_seconds_time(1));
-    if (ev) {
-      switch (ev->type) {
-        default:
-          estr = grpc_event_string(ev);
-          gpr_log(GPR_ERROR, "unexpected event: %s", estr);
-          gpr_free(estr);
-          break;
-        case GRPC_SERVER_RPC_NEW:
-          if (ev->call) {
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_server_accept_old(
-                           ev->call, g_fixture.server_cq, ev->tag));
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_server_end_initial_metadata_old(ev->call, 0));
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_start_read_old(ev->call, ev->tag));
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_start_write_old(ev->call, buf, ev->tag, 0));
-          } else {
-            gpr_free(ev->tag);
-          }
-          break;
-        case GRPC_READ:
-          if (ev->data.read) {
-            GPR_ASSERT(GRPC_CALL_OK ==
-                       grpc_call_start_read_old(ev->call, ev->tag));
-          } else {
-            maybe_end_server_call(ev->call, ev->tag);
-          }
-          break;
-        case GRPC_WRITE_ACCEPTED:
-          maybe_end_server_call(ev->call, ev->tag);
-          break;
-        case GRPC_FINISH_ACCEPTED:
-          break;
-        case GRPC_FINISHED:
-          grpc_call_destroy(ev->call);
-          request_server_call();
-          break;
-      }
-      grpc_event_finish(ev);
-    }
-    gpr_mu_lock(&g_mu);
-    if (g_active_requests == 0) {
-      gpr_mu_unlock(&g_mu);
-      break;
-    }
-    gpr_mu_unlock(&g_mu);
-  }
-
-  grpc_byte_buffer_destroy(buf);
-  gpr_event_set(&g_server_done[id], (void *)1);
-}
-
-static void run_test(grpc_end2end_test_config config, int requests_in_flight) {
-  int i;
-  gpr_thd_id thd_id;
-
-  gpr_log(GPR_INFO, "thread_stress_test/%s @ %d requests", config.name,
-          requests_in_flight);
-
-  /* setup client, server */
-  g_fixture = config.create_fixture(NULL, NULL);
-  config.init_client(&g_fixture, NULL);
-  config.init_server(&g_fixture, NULL);
-
-  /* schedule end time */
-  g_test_end_time = n_seconds_time(5);
-
-  g_active_requests = 0;
-  gpr_mu_init(&g_mu);
-
-  /* kick off threads */
-  for (i = 0; i < CLIENT_THREADS; i++) {
-    gpr_event_init(&g_client_done[i]);
-    gpr_thd_new(&thd_id, client_thread, (void *)(gpr_intptr) i, NULL);
-  }
-  for (i = 0; i < SERVER_THREADS; i++) {
-    gpr_event_init(&g_server_done[i]);
-    gpr_thd_new(&thd_id, server_thread, (void *)(gpr_intptr) i, NULL);
-  }
-
-  /* start requests */
-  gpr_mu_lock(&g_mu);
-  for (i = 0; i < requests_in_flight; i++) {
-    start_request();
-  }
-  gpr_mu_unlock(&g_mu);
-
-  /* await completion */
-  for (i = 0; i < CLIENT_THREADS; i++) {
-    gpr_event_wait(&g_client_done[i], gpr_inf_future);
-  }
-  for (i = 0; i < SERVER_THREADS; i++) {
-    gpr_event_wait(&g_server_done[i], gpr_inf_future);
-  }
-
-  /* shutdown the things */
-  grpc_server_shutdown(g_fixture.server);
-  grpc_server_destroy(g_fixture.server);
-  grpc_channel_destroy(g_fixture.client);
-
-  grpc_completion_queue_shutdown(g_fixture.server_cq);
-  drain_cq(0, g_fixture.server_cq);
-  grpc_completion_queue_destroy(g_fixture.server_cq);
-  grpc_completion_queue_shutdown(g_fixture.client_cq);
-  drain_cq(1, g_fixture.client_cq);
-  grpc_completion_queue_destroy(g_fixture.client_cq);
-
-  config.tear_down_data(&g_fixture);
-
-  gpr_mu_destroy(&g_mu);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  run_test(config, 1000);
-}
diff --git a/test/core/end2end/tests/writes_done_hangs_with_pending_read.c b/test/core/end2end/tests/writes_done_hangs_with_pending_read.c
deleted file mode 100644
index 75b4bfba90..0000000000
--- a/test/core/end2end/tests/writes_done_hangs_with_pending_read.c
+++ /dev/null
@@ -1,199 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* test the case when there is a pending message at the client side,
-   writes_done should not return a status without a start_read.
-   Note: this test will last for 3s. Do not run in a loop. */
-static void test_writes_done_hangs_with_pending_read(
-    grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
-  grpc_byte_buffer *request_payload =
-      grpc_byte_buffer_create(&request_payload_slice, 1);
-  grpc_byte_buffer *response_payload =
-      grpc_byte_buffer_create(&response_payload_slice, 1);
-  gpr_timespec deadline = five_seconds_time();
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(c, request_payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(request_payload);
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
-  cq_expect_read(v_server, tag(5), gpr_slice_from_copied_string("hello world"));
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(s, response_payload, tag(6), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(response_payload);
-  cq_expect_write_accepted(v_server, tag(6), GRPC_OP_OK);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(6)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(7)));
-
-  cq_expect_finish_accepted(v_client, tag(6), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  /* does not return status because there is a pending message to be read */
-  cq_verify_empty(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(c, tag(8)));
-  cq_expect_read(v_client, tag(8), gpr_slice_from_copied_string("hello you"));
-  cq_verify(v_client);
-
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(7), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_writes_done_hangs_with_pending_read(config);
-}
diff --git a/test/core/end2end/tests/writes_done_hangs_with_pending_read_legacy.c b/test/core/end2end/tests/writes_done_hangs_with_pending_read_legacy.c
deleted file mode 100644
index 75b4bfba90..0000000000
--- a/test/core/end2end/tests/writes_done_hangs_with_pending_read_legacy.c
+++ /dev/null
@@ -1,199 +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 <unistd.h>
-
-#include <grpc/byte_buffer.h>
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
-#include <grpc/support/useful.h>
-#include "test/core/end2end/cq_verifier.h"
-
-enum { TIMEOUT = 200000 };
-
-static void *tag(gpr_intptr 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_client(&f, client_args);
-  config.init_server(&f, server_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;
-  grpc_completion_type type;
-  do {
-    ev = grpc_completion_queue_next(cq, five_seconds_time());
-    GPR_ASSERT(ev);
-    type = ev->type;
-    grpc_event_finish(ev);
-  } while (type != GRPC_QUEUE_SHUTDOWN);
-}
-
-static void shutdown_server(grpc_end2end_test_fixture *f) {
-  if (!f->server) return;
-  grpc_server_shutdown(f->server);
-  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->server_cq);
-  drain_cq(f->server_cq);
-  grpc_completion_queue_destroy(f->server_cq);
-  grpc_completion_queue_shutdown(f->client_cq);
-  drain_cq(f->client_cq);
-  grpc_completion_queue_destroy(f->client_cq);
-}
-
-/* test the case when there is a pending message at the client side,
-   writes_done should not return a status without a start_read.
-   Note: this test will last for 3s. Do not run in a loop. */
-static void test_writes_done_hangs_with_pending_read(
-    grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_call *s;
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
-  grpc_byte_buffer *request_payload =
-      grpc_byte_buffer_create(&request_payload_slice, 1);
-  grpc_byte_buffer *response_payload =
-      grpc_byte_buffer_create(&response_payload_slice, 1);
-  gpr_timespec deadline = five_seconds_time();
-  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  cq_verifier *v_client = cq_verifier_create(f.client_cq);
-  cq_verifier *v_server = cq_verifier_create(f.server_cq);
-
-  /* byte buffer holds the slice, we can unref it already */
-  gpr_slice_unref(request_payload_slice);
-  gpr_slice_unref(response_payload_slice);
-
-  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
-                                   deadline);
-  GPR_ASSERT(c);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(c, request_payload, tag(4), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(request_payload);
-  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));
-  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
-                           deadline, NULL);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
-  cq_expect_client_metadata_read(v_client, tag(2), NULL);
-  cq_verify(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
-  cq_expect_read(v_server, tag(5), gpr_slice_from_copied_string("hello world"));
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK ==
-             grpc_call_start_write_old(s, response_payload, tag(6), 0));
-  /* destroy byte buffer early to ensure async code keeps track of its contents
-     correctly */
-  grpc_byte_buffer_destroy(response_payload);
-  cq_expect_write_accepted(v_server, tag(6), GRPC_OP_OK);
-  cq_verify(v_server);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(6)));
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
-                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(7)));
-
-  cq_expect_finish_accepted(v_client, tag(6), GRPC_OP_OK);
-  cq_verify(v_client);
-
-  /* does not return status because there is a pending message to be read */
-  cq_verify_empty(v_client);
-
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(c, tag(8)));
-  cq_expect_read(v_client, tag(8), gpr_slice_from_copied_string("hello you"));
-  cq_verify(v_client);
-
-  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
-                                 "xyz", NULL);
-  cq_verify(v_client);
-
-  cq_expect_finish_accepted(v_server, tag(7), GRPC_OP_OK);
-  cq_expect_finished(v_server, tag(102), NULL);
-  cq_verify(v_server);
-
-  grpc_call_destroy(c);
-  grpc_call_destroy(s);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-
-  cq_verifier_destroy(v_client);
-  cq_verifier_destroy(v_server);
-}
-
-void grpc_end2end_tests(grpc_end2end_test_config config) {
-  test_writes_done_hangs_with_pending_read(config);
-}
diff --git a/test/core/fling/server.c b/test/core/fling/server.c
index ca39cd84b1..63c7bd7f88 100644
--- a/test/core/fling/server.c
+++ b/test/core/fling/server.c
@@ -39,6 +39,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <unistd.h>
 
 #include "test/core/util/grpc_profiler.h"
 #include "test/core/util/test_config.h"
@@ -165,7 +166,7 @@ static void start_send_status(void) {
                                  tag(FLING_SERVER_SEND_STATUS_FOR_STREAMING)));
 }
 
-static void sigint_handler(int x) { got_sigint = 1; }
+static void sigint_handler(int x) { _exit(0); }
 
 int main(int argc, char **argv) {
   grpc_event *ev;
@@ -292,14 +293,6 @@ int main(int argc, char **argv) {
             break;
         }
         break;
-      case GRPC_SERVER_RPC_NEW:
-      case GRPC_WRITE_ACCEPTED:
-      case GRPC_READ:
-      case GRPC_FINISH_ACCEPTED:
-      case GRPC_FINISHED:
-        gpr_log(GPR_ERROR, "Unexpected event type.");
-        abort();
-        break;
       case GRPC_QUEUE_SHUTDOWN:
         GPR_ASSERT(shutdown_started);
         shutdown_finished = 1;
diff --git a/test/core/profiling/mark_timings.stp b/test/core/profiling/mark_timings.stp
new file mode 100644
index 0000000000..0c0a417faf
--- /dev/null
+++ b/test/core/profiling/mark_timings.stp
@@ -0,0 +1,40 @@
+/* This script requires a command line argument, to be used in the "process"
+ * probe definition.
+ *
+ * For a statically build binary, that'd be the name of the binary itself.
+ * For dinamically built ones, point to the location of the libgprc.so being
+ * used. */
+
+global starts, times, times_per_tag
+
+probe process(@1).mark("timing_ns_begin") {
+  starts[$arg1, tid()] = gettimeofday_ns();
+}
+
+probe process(@1).mark("timing_ns_end") {
+  tag = $arg1
+  t = gettimeofday_ns();
+  if (s = starts[tag, tid()]) {
+     times[tag, tid()] <<< t-s;
+     delete starts[tag, tid()];
+  }
+}
+
+probe end {
+  printf("%15s %9s %10s %10s %10s %10s\n", "tag", "tid", "count",
+    "min(ns)", "avg(ns)", "max(ns)");
+  foreach ([tag+, tid] in times) {
+    printf("%15X %9d %10d %10d %10d %10d\n", tag, tid, @count(times[tag, tid]),
+          @min(times[tag, tid]), @avg(times[tag, tid]), @max(times[tag, tid]));
+  }
+
+  printf("Per tag average of averages\n");
+  foreach ([tag+, tid] in times) {
+    times_per_tag[tag] <<< @avg(times[tag, tid]);
+  }
+  printf("%15s %10s %10s\n", "tag", "count", "avg(ns)");
+  foreach ([tag+] in times_per_tag) {
+    printf("%15X %10d %10d\n", tag, @count(times_per_tag[tag]),
+                                    @avg(times_per_tag[tag]));
+  }
+}
diff --git a/test/core/profiling/timers_test.c b/test/core/profiling/timers_test.c
index 55e59c969e..12b08c115e 100644
--- a/test/core/profiling/timers_test.c
+++ b/test/core/profiling/timers_test.c
@@ -76,8 +76,8 @@ void test_log_events(int num_seqs) {
 
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
-  grpc_timers_log_global_init();
+  grpc_timers_global_init();
   test_log_events(1000000);
-  grpc_timers_log_global_destroy();
+  grpc_timers_global_destroy();
   return 0;
 }
diff --git a/test/core/surface/completion_queue_test.c b/test/core/surface/completion_queue_test.c
index 414ca2eac9..29fb7a99a5 100644
--- a/test/core/surface/completion_queue_test.c
+++ b/test/core/surface/completion_queue_test.c
@@ -79,7 +79,7 @@ static void test_wait_empty(void) {
   shutdown_and_destroy(cc);
 }
 
-static void test_cq_end_read(void) {
+static void test_cq_end_op(void) {
   grpc_event *ev;
   grpc_completion_queue *cc;
   int on_finish_called = 0;
@@ -89,94 +89,15 @@ static void test_cq_end_read(void) {
 
   cc = grpc_completion_queue_create();
 
-  grpc_cq_begin_op(cc, NULL, GRPC_READ);
-  grpc_cq_end_read(cc, tag, NULL, increment_int_on_finish, &on_finish_called,
-                   NULL);
+  grpc_cq_begin_op(cc, NULL, GRPC_OP_COMPLETE);
+  grpc_cq_end_op(cc, tag, NULL, increment_int_on_finish, &on_finish_called,
+                 GRPC_OP_OK);
 
   ev = grpc_completion_queue_next(cc, gpr_inf_past);
   GPR_ASSERT(ev != NULL);
-  GPR_ASSERT(ev->type == GRPC_READ);
+  GPR_ASSERT(ev->type == GRPC_OP_COMPLETE);
   GPR_ASSERT(ev->tag == tag);
-  GPR_ASSERT(ev->data.read == NULL);
-  GPR_ASSERT(on_finish_called == 0);
-  grpc_event_finish(ev);
-  GPR_ASSERT(on_finish_called == 1);
-
-  shutdown_and_destroy(cc);
-}
-
-static void test_cq_end_write_accepted(void) {
-  grpc_event *ev;
-  grpc_completion_queue *cc;
-  int on_finish_called = 0;
-  void *tag = create_test_tag();
-
-  LOG_TEST();
-
-  cc = grpc_completion_queue_create();
-
-  grpc_cq_begin_op(cc, NULL, GRPC_WRITE_ACCEPTED);
-  grpc_cq_end_write_accepted(cc, tag, NULL, increment_int_on_finish,
-                             &on_finish_called, GRPC_OP_OK);
-
-  ev = grpc_completion_queue_next(cc, gpr_inf_past);
-  GPR_ASSERT(ev != NULL);
-  GPR_ASSERT(ev->type == GRPC_WRITE_ACCEPTED);
-  GPR_ASSERT(ev->tag == tag);
-  GPR_ASSERT(ev->data.write_accepted == GRPC_OP_OK);
-  GPR_ASSERT(on_finish_called == 0);
-  grpc_event_finish(ev);
-  GPR_ASSERT(on_finish_called == 1);
-
-  shutdown_and_destroy(cc);
-}
-
-static void test_cq_end_finish_accepted(void) {
-  grpc_event *ev;
-  grpc_completion_queue *cc;
-  int on_finish_called = 0;
-  void *tag = create_test_tag();
-
-  LOG_TEST();
-
-  cc = grpc_completion_queue_create();
-
-  grpc_cq_begin_op(cc, NULL, GRPC_FINISH_ACCEPTED);
-  grpc_cq_end_finish_accepted(cc, tag, NULL, increment_int_on_finish,
-                              &on_finish_called, GRPC_OP_OK);
-
-  ev = grpc_completion_queue_next(cc, gpr_inf_past);
-  GPR_ASSERT(ev != NULL);
-  GPR_ASSERT(ev->type == GRPC_FINISH_ACCEPTED);
-  GPR_ASSERT(ev->tag == tag);
-  GPR_ASSERT(ev->data.finish_accepted == GRPC_OP_OK);
-  GPR_ASSERT(on_finish_called == 0);
-  grpc_event_finish(ev);
-  GPR_ASSERT(on_finish_called == 1);
-
-  shutdown_and_destroy(cc);
-}
-
-static void test_cq_end_client_metadata_read(void) {
-  grpc_event *ev;
-  grpc_completion_queue *cc;
-  int on_finish_called = 0;
-  void *tag = create_test_tag();
-
-  LOG_TEST();
-
-  cc = grpc_completion_queue_create();
-
-  grpc_cq_begin_op(cc, NULL, GRPC_CLIENT_METADATA_READ);
-  grpc_cq_end_client_metadata_read(cc, tag, NULL, increment_int_on_finish,
-                                   &on_finish_called, 0, NULL);
-
-  ev = grpc_completion_queue_next(cc, gpr_inf_past);
-  GPR_ASSERT(ev != NULL);
-  GPR_ASSERT(ev->type == GRPC_CLIENT_METADATA_READ);
-  GPR_ASSERT(ev->tag == tag);
-  GPR_ASSERT(ev->data.client_metadata_read.count == 0);
-  GPR_ASSERT(ev->data.client_metadata_read.elements == NULL);
+  GPR_ASSERT(ev->data.op_complete == GRPC_OP_OK);
   GPR_ASSERT(on_finish_called == 0);
   grpc_event_finish(ev);
   GPR_ASSERT(on_finish_called == 1);
@@ -203,9 +124,9 @@ static void test_pluck(void) {
   cc = grpc_completion_queue_create();
 
   for (i = 0; i < GPR_ARRAY_SIZE(tags); i++) {
-    grpc_cq_begin_op(cc, NULL, GRPC_WRITE_ACCEPTED);
-    grpc_cq_end_write_accepted(cc, tags[i], NULL, increment_int_on_finish,
-                               &on_finish_called, GRPC_OP_OK);
+    grpc_cq_begin_op(cc, NULL, GRPC_OP_COMPLETE);
+    grpc_cq_end_op(cc, tags[i], NULL, increment_int_on_finish,
+                   &on_finish_called, GRPC_OP_OK);
   }
 
   for (i = 0; i < GPR_ARRAY_SIZE(tags); i++) {
@@ -217,9 +138,9 @@ static void test_pluck(void) {
   GPR_ASSERT(on_finish_called == GPR_ARRAY_SIZE(tags));
 
   for (i = 0; i < GPR_ARRAY_SIZE(tags); i++) {
-    grpc_cq_begin_op(cc, NULL, GRPC_WRITE_ACCEPTED);
-    grpc_cq_end_write_accepted(cc, tags[i], NULL, increment_int_on_finish,
-                               &on_finish_called, GRPC_OP_OK);
+    grpc_cq_begin_op(cc, NULL, GRPC_OP_COMPLETE);
+    grpc_cq_end_op(cc, tags[i], NULL, increment_int_on_finish,
+                   &on_finish_called, GRPC_OP_OK);
   }
 
   for (i = 0; i < GPR_ARRAY_SIZE(tags); i++) {
@@ -261,7 +182,7 @@ static void producer_thread(void *arg) {
 
   gpr_log(GPR_INFO, "producer %d phase 1", opt->id);
   for (i = 0; i < TEST_THREAD_EVENTS; i++) {
-    grpc_cq_begin_op(opt->cc, NULL, GRPC_WRITE_ACCEPTED);
+    grpc_cq_begin_op(opt->cc, NULL, GRPC_OP_COMPLETE);
   }
 
   gpr_log(GPR_INFO, "producer %d phase 1 done", opt->id);
@@ -270,8 +191,8 @@ static void producer_thread(void *arg) {
 
   gpr_log(GPR_INFO, "producer %d phase 2", opt->id);
   for (i = 0; i < TEST_THREAD_EVENTS; i++) {
-    grpc_cq_end_write_accepted(opt->cc, (void *)(gpr_intptr) 1, NULL, NULL,
-                               NULL, GRPC_OP_OK);
+    grpc_cq_end_op(opt->cc, (void *)(gpr_intptr)1, NULL, NULL, NULL,
+                   GRPC_OP_OK);
     opt->events_triggered++;
   }
 
@@ -298,8 +219,8 @@ static void consumer_thread(void *arg) {
     ev = grpc_completion_queue_next(opt->cc, ten_seconds_time());
     GPR_ASSERT(ev);
     switch (ev->type) {
-      case GRPC_WRITE_ACCEPTED:
-        GPR_ASSERT(ev->data.write_accepted == GRPC_OP_OK);
+      case GRPC_OP_COMPLETE:
+        GPR_ASSERT(ev->data.op_complete == GRPC_OP_OK);
         opt->events_triggered++;
         grpc_event_finish(ev);
         break;
@@ -394,10 +315,7 @@ int main(int argc, char **argv) {
   grpc_iomgr_init();
   test_no_op();
   test_wait_empty();
-  test_cq_end_read();
-  test_cq_end_write_accepted();
-  test_cq_end_finish_accepted();
-  test_cq_end_client_metadata_read();
+  test_cq_end_op();
   test_pluck();
   test_threading(1, 1);
   test_threading(1, 10);
diff --git a/test/core/surface/lame_client_test.c b/test/core/surface/lame_client_test.c
index 0d37502924..05e8f95d71 100644
--- a/test/core/surface/lame_client_test.c
+++ b/test/core/surface/lame_client_test.c
@@ -35,6 +35,7 @@
 
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/util/test_config.h"
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
 static void *tag(gpr_intptr x) { return (void *)x; }
@@ -42,30 +43,43 @@ static void *tag(gpr_intptr x) { return (void *)x; }
 int main(int argc, char **argv) {
   grpc_channel *chan;
   grpc_call *call;
-  grpc_metadata md = {"a", "b", 1, {{NULL, NULL, NULL}}};
   grpc_completion_queue *cq;
   cq_verifier *cqv;
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
 
   grpc_test_init(argc, argv);
   grpc_init();
 
+  grpc_metadata_array_init(&trailing_metadata_recv);
+
   chan = grpc_lame_client_channel_create();
   GPR_ASSERT(chan);
-  call = grpc_channel_create_call_old(chan, "/Foo", "anywhere",
-                                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(100));
-  GPR_ASSERT(call);
   cq = grpc_completion_queue_create();
+  call = grpc_channel_create_call(chan, cq, "/Foo", "anywhere",
+                                  GRPC_TIMEOUT_SECONDS_TO_DEADLINE(100));
+  GPR_ASSERT(call);
   cqv = cq_verifier_create(cq);
 
-  /* we should be able to add metadata */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_add_metadata_old(call, &md, 0));
-
-  /* and invoke the call */
-  GPR_ASSERT(GRPC_CALL_OK == grpc_call_invoke_old(call, cq, tag(2), tag(3), 0));
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  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++;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_call_start_batch(call, ops, op - ops, tag(1)));
 
   /* the call should immediately fail */
-  cq_expect_client_metadata_read(cqv, tag(2), NULL);
-  cq_expect_finished(cqv, tag(3), NULL);
+  cq_expect_completion(cqv, tag(1), GRPC_OP_OK);
   cq_verify(cqv);
 
   grpc_call_destroy(call);
@@ -73,6 +87,9 @@ int main(int argc, char **argv) {
   cq_verifier_destroy(cqv);
   grpc_completion_queue_destroy(cq);
 
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  gpr_free(details);
+
   grpc_shutdown();
 
   return 0;
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index 77c45d0cf9..cbbd37096a 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -205,7 +205,6 @@ class End2endTest : public ::testing::Test {
   ThreadPool thread_pool_;
 };
 
-/*
 static void SendRpc(grpc::cpp::test::util::TestService::Stub* stub,
                     int num_rpcs) {
   EchoRequest request;
@@ -578,7 +577,18 @@ TEST_F(End2endTest, ClientCancelsBidi) {
   Status s = stream->Finish();
   EXPECT_EQ(grpc::StatusCode::CANCELLED, s.code());
 }
-*/
+
+TEST_F(End2endTest, ThreadStress) {
+  ResetStub();
+  std::vector<std::thread*> threads;
+  for (int i = 0; i < 100; ++i) {
+    threads.push_back(new std::thread(SendRpc, stub_.get(), 1000));
+  }
+  for (int i = 0; i < 100; ++i) {
+    threads[i]->join();
+    delete threads[i];
+  }
+}
 
 TEST_F(End2endTest, RpcMaxMessageSize) {
   ResetStub();