Merge pull request grpc#784 from ctiller/timeout

Introduce slowdown factor for unit test deadlines
nathanielmanistaatgoogle · Feb 26, 2015 · 0e32857 · 0e32857
2 parents c33731a + c1f1162
commit 0e32857
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Showing 96 changed files with 384 additions and 397 deletions.
diff --git a/Makefile b/Makefile
@@ -77,7 +77,7 @@ LDXX_valgrind = g++
 CPPFLAGS_valgrind = -O0
 OPENSSL_CFLAGS_valgrind = -DPURIFY
 LDFLAGS_valgrind =
-DEFINES_valgrind = _DEBUG DEBUG
+DEFINES_valgrind = _DEBUG DEBUG GRPC_TEST_SLOWDOWN_FACTOR=20
 
 VALID_CONFIG_tsan = 1
 REQUIRE_CUSTOM_LIBRARIES_tsan = 1
@@ -87,7 +87,7 @@ LD_tsan = clang
 LDXX_tsan = clang++
 CPPFLAGS_tsan = -O1 -fsanitize=thread -fno-omit-frame-pointer
 LDFLAGS_tsan = -fsanitize=thread
-DEFINES_tsan = NDEBUG
+DEFINES_tsan = NDEBUG GRPC_TEST_SLOWDOWN_FACTOR=10
 
 VALID_CONFIG_asan = 1
 REQUIRE_CUSTOM_LIBRARIES_asan = 1
@@ -97,7 +97,7 @@ LD_asan = clang
 LDXX_asan = clang++
 CPPFLAGS_asan = -O1 -fsanitize=address -fno-omit-frame-pointer
 LDFLAGS_asan = -fsanitize=address
-DEFINES_asan = NDEBUG
+DEFINES_asan = NDEBUG GRPC_TEST_SLOWDOWN_FACTOR=5
 
 VALID_CONFIG_msan = 1
 REQUIRE_CUSTOM_LIBRARIES_msan = 1
@@ -108,7 +108,7 @@ LDXX_msan = clang++-libc++
 CPPFLAGS_msan = -O1 -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1
 OPENSSL_CFLAGS_msan = -DPURIFY
 LDFLAGS_msan = -fsanitize=memory -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1
-DEFINES_msan = NDEBUG
+DEFINES_msan = NDEBUG GRPC_TEST_SLOWDOWN_FACTOR=20
 
 VALID_CONFIG_ubsan = 1
 REQUIRE_CUSTOM_LIBRARIES_ubsan = 1
@@ -119,7 +119,7 @@ LDXX_ubsan = clang++
 CPPFLAGS_ubsan = -O1 -fsanitize=undefined -fno-omit-frame-pointer
 OPENSSL_CFLAGS_ubsan = -DPURIFY
 LDFLAGS_ubsan = -fsanitize=undefined
-DEFINES_ubsan = NDEBUG
+DEFINES_ubsan = NDEBUG GRPC_TEST_SLOWDOWN_FACTOR=10
 
 VALID_CONFIG_gcov = 1
 CC_gcov = gcc

diff --git a/templates/Makefile.template b/templates/Makefile.template
@@ -94,7 +94,7 @@ LDXX_valgrind = g++
 CPPFLAGS_valgrind = -O0
 OPENSSL_CFLAGS_valgrind = -DPURIFY
 LDFLAGS_valgrind =
-DEFINES_valgrind = _DEBUG DEBUG
+DEFINES_valgrind = _DEBUG DEBUG GRPC_TEST_SLOWDOWN_FACTOR=20
 
 VALID_CONFIG_tsan = 1
 REQUIRE_CUSTOM_LIBRARIES_tsan = 1
@@ -104,7 +104,7 @@ LD_tsan = clang
 LDXX_tsan = clang++
 CPPFLAGS_tsan = -O1 -fsanitize=thread -fno-omit-frame-pointer
 LDFLAGS_tsan = -fsanitize=thread
-DEFINES_tsan = NDEBUG
+DEFINES_tsan = NDEBUG GRPC_TEST_SLOWDOWN_FACTOR=10
 
 VALID_CONFIG_asan = 1
 REQUIRE_CUSTOM_LIBRARIES_asan = 1
@@ -114,7 +114,7 @@ LD_asan = clang
 LDXX_asan = clang++
 CPPFLAGS_asan = -O1 -fsanitize=address -fno-omit-frame-pointer
 LDFLAGS_asan = -fsanitize=address
-DEFINES_asan = NDEBUG
+DEFINES_asan = NDEBUG GRPC_TEST_SLOWDOWN_FACTOR=5
 
 VALID_CONFIG_msan = 1
 REQUIRE_CUSTOM_LIBRARIES_msan = 1
@@ -125,7 +125,7 @@ LDXX_msan = clang++-libc++
 CPPFLAGS_msan = -O1 -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1
 OPENSSL_CFLAGS_msan = -DPURIFY
 LDFLAGS_msan = -fsanitize=memory -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1
-DEFINES_msan = NDEBUG
+DEFINES_msan = NDEBUG GRPC_TEST_SLOWDOWN_FACTOR=20
 
 VALID_CONFIG_ubsan = 1
 REQUIRE_CUSTOM_LIBRARIES_ubsan = 1
@@ -136,7 +136,7 @@ LDXX_ubsan = clang++
 CPPFLAGS_ubsan = -O1 -fsanitize=undefined -fno-omit-frame-pointer
 OPENSSL_CFLAGS_ubsan = -DPURIFY
 LDFLAGS_ubsan = -fsanitize=undefined
-DEFINES_ubsan = NDEBUG
+DEFINES_ubsan = NDEBUG GRPC_TEST_SLOWDOWN_FACTOR=10
 
 VALID_CONFIG_gcov = 1
 CC_gcov = gcc

diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
@@ -77,10 +77,10 @@ static void channel_func(grpc_channel_element *elem,
 }
 
 static void test_create_channel_stack(void) {
-  const grpc_channel_filter
-      filter = {call_func,         channel_func,         sizeof(int),
-                call_init_func,    call_destroy_func,    sizeof(int),
-                channel_init_func, channel_destroy_func, "some_test_filter" };
+  const grpc_channel_filter filter = {
+      call_func,         channel_func,         sizeof(int),
+      call_init_func,    call_destroy_func,    sizeof(int),
+      channel_init_func, channel_destroy_func, "some_test_filter"};
   const grpc_channel_filter *filters = &filter;
   grpc_channel_stack *channel_stack;
   grpc_call_stack *call_stack;

diff --git a/test/core/channel/metadata_buffer_test.c b/test/core/channel/metadata_buffer_test.c
@@ -110,14 +110,14 @@ static void init_channel_elem(grpc_channel_element *elem,
 static void destroy_channel_elem(grpc_channel_element *elem) {}
 
 static const grpc_channel_filter top_filter = {
-    fail_call_op,      fail_channel_op,     sizeof(size_t),
-    init_call_elem,    destroy_call_elem,   sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, "top_filter" };
+    fail_call_op,      fail_channel_op,      sizeof(size_t),
+    init_call_elem,    destroy_call_elem,    sizeof(channel_data),
+    init_channel_elem, destroy_channel_elem, "top_filter"};
 
 static const grpc_channel_filter bottom_filter = {
-    expect_call_op,    fail_channel_op,     sizeof(size_t),
-    init_call_elem,    destroy_call_elem,   sizeof(channel_data),
-    init_channel_elem, destroy_channel_elem, "bottom_filter" };
+    expect_call_op,    fail_channel_op,      sizeof(size_t),
+    init_call_elem,    destroy_call_elem,    sizeof(channel_data),
+    init_channel_elem, destroy_channel_elem, "bottom_filter"};
 
 static const grpc_channel_filter *filters[2] = {&top_filter, &bottom_filter};
 
@@ -149,7 +149,7 @@ static void test_case(size_t key_prefix_len, size_t value_prefix_len,
     op.flags = i;
     op.data.metadata = grpc_mdelem_from_slices(mdctx, key, value);
     op.done_cb = do_nothing;
-    op.user_data = (void *)(gpr_uintptr)i;
+    op.user_data = (void *)(gpr_uintptr) i;
 
     grpc_metadata_buffer_queue(&buffer, &op);
   }

diff --git a/test/core/echo/client.c b/test/core/echo/client.c
@@ -78,9 +78,8 @@ int main(int argc, char **argv) {
 
   GPR_ASSERT(argc == 2);
   channel = grpc_channel_create(argv[1], NULL);
-  call = grpc_channel_create_call_old(
-      channel, "/foo", "localhost",
-      gpr_time_add(gpr_time_from_seconds(5), gpr_now()));
+  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);
 

diff --git a/test/core/echo/server.c b/test/core/echo/server.c
@@ -166,7 +166,7 @@ int main(int argc, char **argv) {
       shutdown_started = 1;
     }
     ev = grpc_completion_queue_next(
-        cq, gpr_time_add(gpr_now(), gpr_time_from_micros(1000000)));
+        cq, gpr_time_add(gpr_now(), gpr_time_from_seconds(1)));
     if (!ev) continue;
     s = ev->tag;
     switch (ev->type) {

diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
@@ -116,7 +116,8 @@ static int has_metadata(const grpc_metadata *md, size_t count, const char *key,
   return 0;
 }
 
-int contains_metadata(grpc_metadata_array *array, const char *key, const char *value) {
+int contains_metadata(grpc_metadata_array *array, const char *key,
+                      const char *value) {
   return has_metadata(array->metadata, array->count, key, value);
 }
 
@@ -327,8 +328,7 @@ static void fail_no_event_received(cq_verifier *v) {
 }
 
 void cq_verify(cq_verifier *v) {
-  gpr_timespec deadline =
-      gpr_time_add(gpr_now(), gpr_time_from_micros(10 * GPR_US_PER_SEC));
+  gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10);
   grpc_event *ev;
   expectation *e;
   char *s;
@@ -371,8 +371,7 @@ void cq_verify(cq_verifier *v) {
 }
 
 void cq_verify_empty(cq_verifier *v) {
-  gpr_timespec deadline =
-      gpr_time_add(gpr_now(), gpr_time_from_micros(3000000));
+  gpr_timespec deadline = gpr_time_add(gpr_now(), gpr_time_from_seconds(1));
   grpc_event *ev;
 
   GPR_ASSERT(v->expect.next == &v->expect && "expectation queue must be empty");

diff --git a/test/core/end2end/cq_verifier.h b/test/core/end2end/cq_verifier.h
@@ -35,6 +35,7 @@
 #define __GRPC_TEST_END2END_CQ_VERIFIER_H__
 
 #include <grpc/grpc.h>
+#include "test/core/util/test_config.h"
 
 /* A cq_verifier can verify that expected events arrive in a timely fashion
    on a single completion queue */

diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
@@ -45,7 +45,7 @@
 static void *tag(gpr_intptr i) { return (void *)i; }
 
 static gpr_timespec ms_from_now(int ms) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_MS * ms));
+  return GRPC_TIMEOUT_MILLIS_TO_DEADLINE(ms);
 }
 
 static void drain_cq(grpc_completion_queue *cq) {

diff --git a/test/core/end2end/fixtures/chttp2_fake_security.c b/test/core/end2end/fixtures/chttp2_fake_security.c
@@ -117,7 +117,8 @@ static grpc_end2end_test_config configs[] = {
      chttp2_create_fixture_secure_fullstack,
      chttp2_init_client_fake_secure_fullstack,
      chttp2_init_server_fake_secure_fullstack,
-     chttp2_tear_down_secure_fullstack}, };
+     chttp2_tear_down_secure_fullstack},
+};
 
 int main(int argc, char **argv) {
   size_t i;

diff --git a/test/core/end2end/fixtures/chttp2_fullstack.c b/test/core/end2end/fixtures/chttp2_fullstack.c
@@ -99,7 +99,8 @@ void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
 static grpc_end2end_test_config configs[] = {
     {"chttp2/fullstack", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION,
      chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
-     chttp2_init_server_fullstack, chttp2_tear_down_fullstack}, };
+     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
+};
 
 int main(int argc, char **argv) {
   size_t i;

diff --git a/test/core/end2end/fixtures/chttp2_simple_ssl_fullstack.c b/test/core/end2end/fixtures/chttp2_simple_ssl_fullstack.c
@@ -101,8 +101,7 @@ void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) {
 
 static void chttp2_init_client_simple_ssl_secure_fullstack(
     grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_credentials *ssl_creds =
-      grpc_ssl_credentials_create(NULL, NULL);
+  grpc_credentials *ssl_creds = grpc_ssl_credentials_create(NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
                                 GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
                                 {"foo.test.google.fr"}};
@@ -128,7 +127,8 @@ static grpc_end2end_test_config configs[] = {
      chttp2_create_fixture_secure_fullstack,
      chttp2_init_client_simple_ssl_secure_fullstack,
      chttp2_init_server_simple_ssl_secure_fullstack,
-     chttp2_tear_down_secure_fullstack}, };
+     chttp2_tear_down_secure_fullstack},
+};
 
 int main(int argc, char **argv) {
   size_t i;

diff --git a/test/core/end2end/fixtures/chttp2_simple_ssl_with_oauth2_fullstack.c b/test/core/end2end/fixtures/chttp2_simple_ssl_with_oauth2_fullstack.c
@@ -133,7 +133,8 @@ static grpc_end2end_test_config configs[] = {
      chttp2_create_fixture_secure_fullstack,
      chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack,
      chttp2_init_server_simple_ssl_secure_fullstack,
-     chttp2_tear_down_secure_fullstack}, };
+     chttp2_tear_down_secure_fullstack},
+};
 
 int main(int argc, char **argv) {
   size_t i;

diff --git a/test/core/end2end/fixtures/chttp2_socket_pair.c b/test/core/end2end/fixtures/chttp2_socket_pair.c
@@ -133,7 +133,8 @@ static void chttp2_tear_down_socketpair(grpc_end2end_test_fixture *f) {
 static grpc_end2end_test_config configs[] = {
     {"chttp2/socketpair", 0, chttp2_create_fixture_socketpair,
      chttp2_init_client_socketpair, chttp2_init_server_socketpair,
-     chttp2_tear_down_socketpair}, };
+     chttp2_tear_down_socketpair},
+};
 
 int main(int argc, char **argv) {
   size_t i;

diff --git a/test/core/end2end/fixtures/chttp2_socket_pair_one_byte_at_a_time.c b/test/core/end2end/fixtures/chttp2_socket_pair_one_byte_at_a_time.c
@@ -133,7 +133,8 @@ static void chttp2_tear_down_socketpair(grpc_end2end_test_fixture *f) {
 static grpc_end2end_test_config configs[] = {
     {"chttp2/socketpair_one_byte_at_a_time", 0,
      chttp2_create_fixture_socketpair, chttp2_init_client_socketpair,
-     chttp2_init_server_socketpair, chttp2_tear_down_socketpair}, };
+     chttp2_init_server_socketpair, chttp2_tear_down_socketpair},
+};
 
 int main(int argc, char **argv) {
   size_t i;

diff --git a/test/core/end2end/no_server_test.c b/test/core/end2end/no_server_test.c
@@ -41,8 +41,7 @@ static void *tag(gpr_intptr i) { return (void *)i; }
 int main(int argc, char **argv) {
   grpc_channel *chan;
   grpc_call *call;
-  gpr_timespec timeout = gpr_time_from_seconds(4);
-  gpr_timespec deadline = gpr_time_add(gpr_now(), timeout);
+  gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
   grpc_completion_queue *cq;
   cq_verifier *cqv;
   grpc_event *ev;

diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
@@ -62,7 +62,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
@@ -163,11 +163,9 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   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)));
+  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);
 

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
@@ -62,7 +62,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
@@ -121,8 +121,8 @@ static void test_cancel_after_accept_and_writes_closed(
              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_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 ==

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
@@ -62,7 +62,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }

diff --git a/test/core/end2end/tests/cancel_after_accept_legacy.c b/test/core/end2end/tests/cancel_after_accept_legacy.c
@@ -62,7 +62,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }

diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
@@ -62,7 +62,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }

diff --git a/test/core/end2end/tests/cancel_after_invoke_legacy.c b/test/core/end2end/tests/cancel_after_invoke_legacy.c
@@ -62,7 +62,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }

diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
@@ -61,7 +61,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
@@ -103,7 +103,8 @@ static void end_test(grpc_end2end_test_fixture *f) {
 }
 
 /* Cancel before invoke */
-static void test_cancel_before_invoke(grpc_end2end_test_config config, int test_ops) {
+static void test_cancel_before_invoke(grpc_end2end_test_config config,
+                                      int test_ops) {
   grpc_op ops[6];
   grpc_op *op;
   grpc_call *c;

diff --git a/test/core/end2end/tests/cancel_before_invoke_legacy.c b/test/core/end2end/tests/cancel_before_invoke_legacy.c
@@ -61,7 +61,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }

diff --git a/test/core/end2end/tests/cancel_in_a_vacuum.c b/test/core/end2end/tests/cancel_in_a_vacuum.c
@@ -60,7 +60,7 @@ static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
 }
 
 static gpr_timespec n_seconds_time(int n) {
-  return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }
 
 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }