merge with head

5 files changed, 131 insertions, 28 deletions

diff --git a/test/core/bad_client/gen_build_yaml.py b/test/core/bad_client/gen_build_yaml.py
index 86ada9896b..bdb0176ba9 100755
--- a/test/core/bad_client/gen_build_yaml.py
+++ b/test/core/bad_client/gen_build_yaml.py
@@ -41,8 +41,9 @@ default_test_options = TestOptions(False)
 # maps test names to options
 BAD_CLIENT_TESTS = {
     'connection_prefix': default_test_options,
-    'initial_settings_frame': default_test_options,
     'headers': default_test_options,
+    'initial_settings_frame': default_test_options,
+    'unknown_frame': default_test_options,
 }
 
 def main():
diff --git a/test/core/bad_client/tests/headers.c b/test/core/bad_client/tests/headers.c
index c16bfd623b..5547aca210 100644
--- a/test/core/bad_client/tests/headers.c
+++ b/test/core/bad_client/tests/headers.c
@@ -96,6 +96,22 @@ int main(int argc, char **argv) {
                            0);
   GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
                            "\x00\x00\x05\x01\x24\x00\x00\x00\x01"
+                           "\x00",
+                           GRPC_BAD_CLIENT_DISCONNECT);
+  GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
+                           "\x00\x00\x05\x01\x24\x00\x00\x00\x01"
+                           "\x00\x00",
+                           GRPC_BAD_CLIENT_DISCONNECT);
+  GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
+                           "\x00\x00\x05\x01\x24\x00\x00\x00\x01"
+                           "\x00\x00\x00",
+                           GRPC_BAD_CLIENT_DISCONNECT);
+  GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
+                           "\x00\x00\x05\x01\x24\x00\x00\x00\x01"
+                           "\x00\x00\x00\x00",
+                           GRPC_BAD_CLIENT_DISCONNECT);
+  GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
+                           "\x00\x00\x05\x01\x24\x00\x00\x00\x01"
                            "\x00\x00\x00\x00\x00",
                            GRPC_BAD_CLIENT_DISCONNECT);
 
@@ -106,24 +122,24 @@ int main(int argc, char **argv) {
                            0);
   GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
                            "\x00\x00\x04\x01\x04\x00\x00\x00\x01"
-                           "\x7f\x7f\x01a",
+                           "\x7f\x7f\x01""a",
                            0);
   GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
                            "\x00\x00\x04\x01\x04\x00\x00\x00\x01"
-                           "\x0f\x7f\x01a",
+                           "\x0f\x7f\x01""a",
                            0);
   GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
                            "\x00\x00\x04\x01\x04\x00\x00\x00\x01"
-                           "\x1f\x7f\x01a",
+                           "\x1f\x7f\x01""a",
                            0);
   /* test nvr, not indexed in static table */
   GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
                            "\x00\x00\x03\x01\x04\x00\x00\x00\x01"
-                           "\x01\x01a",
+                           "\x01\x01""a",
                            GRPC_BAD_CLIENT_DISCONNECT);
   GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
                            "\x00\x00\x03\x01\x04\x00\x00\x00\x01"
-                           "\x11\x01a",
+                           "\x11\x01""a",
                            GRPC_BAD_CLIENT_DISCONNECT);
   /* illegal op code */
   GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
diff --git a/test/core/bad_client/tests/unknown_frame.c b/test/core/bad_client/tests/unknown_frame.c
new file mode 100644
index 0000000000..8ea81390c9
--- /dev/null
+++ b/test/core/bad_client/tests/unknown_frame.c
@@ -0,0 +1,58 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/bad_client/bad_client.h"
+#include "src/core/surface/server.h"
+
+#define PFX_STR                      \
+  "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" \
+  "\x00\x00\x00\x04\x00\x00\x00\x00\x00"
+
+static void verifier(grpc_server *server, grpc_completion_queue *cq) {
+  while (grpc_server_has_open_connections(server)) {
+    GPR_ASSERT(grpc_completion_queue_next(
+                   cq, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(20), NULL)
+                   .type == GRPC_QUEUE_TIMEOUT);
+  }
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+
+  /* test adding prioritization data */
+  GRPC_RUN_BAD_CLIENT_TEST(verifier, PFX_STR
+                           "\x00\x00\x00\x88\x00\x00\x00\x00\x01",
+                           GRPC_BAD_CLIENT_DISCONNECT);
+
+  return 0;
+}
diff --git a/test/core/support/slice_test.c b/test/core/support/slice_test.c
index 1d202f0618..9e0e22c24b 100644
--- a/test/core/support/slice_test.c
+++ b/test/core/support/slice_test.c
@@ -94,12 +94,27 @@ static void do_nothing_with_len_1(void *ignored, size_t len) {
 
 static void test_slice_new_with_len_returns_something_sensible(void) {
   gpr_uint8 x;
+  int num_refs = 5; /* To test adding/removing an arbitrary number of refs */
+  int i;
 
   gpr_slice slice = gpr_slice_new_with_len(&x, 1, do_nothing_with_len_1);
-  GPR_ASSERT(slice.refcount);
+  GPR_ASSERT(slice.refcount); /* ref count is initialized to 1 at this point */
   GPR_ASSERT(slice.data.refcounted.bytes == &x);
   GPR_ASSERT(slice.data.refcounted.length == 1);
   GPR_ASSERT(do_nothing_with_len_1_calls == 0);
+
+  /* Add an arbitrary number of refs to the slice and remoe the refs. This is to
+     make sure that that the destroy callback (i.e do_nothing_with_len_1()) is
+     not called until the last unref operation */
+  for (i = 0; i < num_refs; i++) {
+    gpr_slice_ref(slice);
+  }
+  for (i = 0; i < num_refs; i++) {
+    gpr_slice_unref(slice);
+  }
+  GPR_ASSERT(do_nothing_with_len_1_calls == 0); /* Shouldn't be called yet */
+
+  /* last unref */
   gpr_slice_unref(slice);
   GPR_ASSERT(do_nothing_with_len_1_calls == 1);
 }
diff --git a/test/core/support/sync_test.c b/test/core/support/sync_test.c
index 220b16b60f..6bc5f792e5 100644
--- a/test/core/support/sync_test.c
+++ b/test/core/support/sync_test.c
@@ -153,6 +153,7 @@ struct test {
   gpr_int64 counter;
   int thread_count; /* used to allocate thread ids */
   int done;         /* threads not yet completed */
+  int incr_step;    /* how much to increment/decrement refcount each time */
 
   gpr_mu mu; /* protects iterations, counter, thread_count, done */
 
@@ -170,13 +171,14 @@ struct test {
 };
 
 /* Return pointer to a new struct test. */
-static struct test *test_new(int threads, gpr_int64 iterations) {
+static struct test *test_new(int threads, gpr_int64 iterations, int incr_step) {
   struct test *m = gpr_malloc(sizeof(*m));
   m->threads = threads;
   m->iterations = iterations;
   m->counter = 0;
   m->thread_count = 0;
   m->done = threads;
+  m->incr_step = incr_step;
   gpr_mu_init(&m->mu);
   gpr_cv_init(&m->cv);
   gpr_cv_init(&m->done_cv);
@@ -238,9 +240,12 @@ static void mark_thread_done(struct test *m) {
 
 /* Test several threads running (*body)(struct test *m) for increasing settings
    of m->iterations, until about timeout_s to 2*timeout_s seconds have elapsed.
-   If extra!=NULL, run (*extra)(m) in an additional thread.  */
+   If extra!=NULL, run (*extra)(m) in an additional thread.
+   incr_step controls by how much m->refcount should be incremented/decremented
+   (if at all) each time in the tests.
+   */
 static void test(const char *name, void (*body)(void *m),
-                 void (*extra)(void *m), int timeout_s) {
+                 void (*extra)(void *m), int timeout_s, int incr_step) {
   gpr_int64 iterations = 1024;
   struct test *m;
   gpr_timespec start = gpr_now(GPR_CLOCK_REALTIME);
@@ -251,7 +256,7 @@ static void test(const char *name, void (*body)(void *m),
   while (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), deadline) < 0) {
     iterations <<= 1;
     fprintf(stderr, " %ld", (long)iterations);
-    m = test_new(10, iterations);
+    m = test_new(10, iterations, incr_step);
     if (extra != NULL) {
       gpr_thd_id id;
       GPR_ASSERT(gpr_thd_new(&id, extra, m, NULL));
@@ -259,7 +264,7 @@ static void test(const char *name, void (*body)(void *m),
     }
     test_create_threads(m, body);
     test_wait(m);
-    if (m->counter != m->threads * m->iterations) {
+    if (m->counter != m->threads * m->iterations * m->incr_step) {
       fprintf(stderr, "counter %ld  threads %d  iterations %ld\n",
               (long)m->counter, m->threads, (long)m->iterations);
       GPR_ASSERT(0);
@@ -406,14 +411,18 @@ static void statsinc(void *v /*=m*/) {
   mark_thread_done(m);
 }
 
-/* Increment m->refcount m->iterations times, decrement m->thread_refcount
-   once, and if it reaches zero, set m->event to (void*)1; then mark thread as
-   done.  */
+/* Increment m->refcount by m->incr_step for m->iterations times. Decrement
+   m->thread_refcount once, and if it reaches zero, set m->event to (void*)1;
+   then mark thread as done.  */
 static void refinc(void *v /*=m*/) {
   struct test *m = v;
   gpr_int64 i;
   for (i = 0; i != m->iterations; i++) {
-    gpr_ref(&m->refcount);
+    if (m->incr_step == 1) {
+      gpr_ref(&m->refcount);
+    } else {
+      gpr_refn(&m->refcount, m->incr_step);
+    }
   }
   if (gpr_unref(&m->thread_refcount)) {
     gpr_event_set(&m->event, (void *)1);
@@ -421,12 +430,13 @@ static void refinc(void *v /*=m*/) {
   mark_thread_done(m);
 }
 
-/* Wait until m->event is set to (void *)1, then decrement m->refcount
-   m->stats_counter m->iterations times, and ensure that the last decrement
-   caused the counter to reach zero, then mark thread as done.  */
+
+/* Wait until m->event is set to (void *)1, then decrement m->refcount by 1
+   (m->threads * m->iterations * m->incr_step) times, and ensure that the last
+   decrement caused the counter to reach zero, then mark thread as done.  */
 static void refcheck(void *v /*=m*/) {
   struct test *m = v;
-  gpr_int64 n = m->iterations * m->threads;
+  gpr_int64 n = m->iterations * m->threads * m->incr_step;
   gpr_int64 i;
   GPR_ASSERT(gpr_event_wait(&m->event, gpr_inf_future(GPR_CLOCK_REALTIME)) ==
              (void *)1);
@@ -444,13 +454,16 @@ static void refcheck(void *v /*=m*/) {
 
 int main(int argc, char *argv[]) {
   grpc_test_init(argc, argv);
-  test("mutex", &inc, NULL, 1);
-  test("mutex try", &inctry, NULL, 1);
-  test("cv", &inc_by_turns, NULL, 1);
-  test("timedcv", &inc_with_1ms_delay, NULL, 1);
-  test("queue", &many_producers, &consumer, 10);
-  test("stats_counter", &statsinc, NULL, 1);
-  test("refcount", &refinc, &refcheck, 1);
-  test("timedevent", &inc_with_1ms_delay_event, NULL, 1);
+  test("mutex", &inc, NULL, 1, 1);
+  test("mutex try", &inctry, NULL, 1, 1);
+  test("cv", &inc_by_turns, NULL, 1, 1);
+  test("timedcv", &inc_with_1ms_delay, NULL, 1, 1);
+  test("queue", &many_producers, &consumer, 10, 1);
+  test("stats_counter", &statsinc, NULL, 1, 1);
+  test("refcount by 1", &refinc, &refcheck, 1, 1);
+  test("refcount by 3", &refinc, &refcheck, 1, 3); /* incr_step of 3 is an
+                                                      arbitrary choice. Any
+                                                      number > 1 is okay here */
+  test("timedevent", &inc_with_1ms_delay_event, NULL, 1, 1);
   return 0;
 }