1 files changed, 192 insertions, 0 deletions
diff --git a/test/cpp/common/alarm_test.cc b/test/cpp/common/alarm_test.cc
new file mode 100644
index 0000000000..7adc3102f4
--- /dev/null
+++ b/test/cpp/common/alarm_test.cc
@@ -0,0 +1,192 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <grpc++/alarm.h>
+#include <grpc++/completion_queue.h>
+#include <thread>
+
+#include <gtest/gtest.h>
+
+#include "test/core/util/test_config.h"
+
+namespace grpc {
+namespace {
+
+TEST(AlarmTest, RegularExpiry) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm alarm;
+  alarm.Set(&cq, grpc_timeout_seconds_to_deadline(1), junk);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, grpc_timeout_seconds_to_deadline(2));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, MultithreadedRegularExpiry) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  void* output_tag;
+  bool ok;
+  CompletionQueue::NextStatus status;
+  Alarm alarm;
+
+  std::thread t1([&alarm, &cq, &junk] {
+    alarm.Set(&cq, grpc_timeout_seconds_to_deadline(1), junk);
+  });
+
+  std::thread t2([&cq, &ok, &output_tag, &status] {
+    status = cq.AsyncNext((void**)&output_tag, &ok,
+                          grpc_timeout_seconds_to_deadline(2));
+  });
+
+  t1.join();
+  t2.join();
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, DeprecatedRegularExpiry) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm alarm(&cq, grpc_timeout_seconds_to_deadline(1), junk);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, grpc_timeout_seconds_to_deadline(2));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, MoveConstructor) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm first;
+  first.Set(&cq, grpc_timeout_seconds_to_deadline(1), junk);
+  Alarm second(std::move(first));
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, grpc_timeout_seconds_to_deadline(2));
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, MoveAssignment) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm first;
+  first.Set(&cq, grpc_timeout_seconds_to_deadline(1), junk);
+  Alarm second(std::move(first));
+  first = std::move(second);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, grpc_timeout_seconds_to_deadline(2));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, RegularExpiryChrono) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  std::chrono::system_clock::time_point one_sec_deadline =
+      std::chrono::system_clock::now() + std::chrono::seconds(1);
+  Alarm alarm;
+  alarm.Set(&cq, one_sec_deadline, junk);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, grpc_timeout_seconds_to_deadline(2));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, ZeroExpiry) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm alarm;
+  alarm.Set(&cq, grpc_timeout_seconds_to_deadline(0), junk);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, grpc_timeout_seconds_to_deadline(1));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, NegativeExpiry) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm alarm;
+  alarm.Set(&cq, grpc_timeout_seconds_to_deadline(-1), junk);
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, grpc_timeout_seconds_to_deadline(1));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_TRUE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+TEST(AlarmTest, Cancellation) {
+  CompletionQueue cq;
+  void* junk = reinterpret_cast<void*>(1618033);
+  Alarm alarm;
+  alarm.Set(&cq, grpc_timeout_seconds_to_deadline(2), junk);
+  alarm.Cancel();
+
+  void* output_tag;
+  bool ok;
+  const CompletionQueue::NextStatus status = cq.AsyncNext(
+      (void**)&output_tag, &ok, grpc_timeout_seconds_to_deadline(1));
+
+  EXPECT_EQ(status, CompletionQueue::GOT_EVENT);
+  EXPECT_FALSE(ok);
+  EXPECT_EQ(junk, output_tag);
+}
+
+}  // namespace
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}