1 files changed, 115 insertions, 0 deletions
diff --git a/net/dcsctp/timer/task_queue_timeout_test.cc b/net/dcsctp/timer/task_queue_timeout_test.cc
new file mode 100644
index 0000000000..9d3846953b
--- /dev/null
+++ b/net/dcsctp/timer/task_queue_timeout_test.cc
@@ -0,0 +1,115 @@
+/*
+ *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+#include "net/dcsctp/timer/task_queue_timeout.h"
+
+#include <memory>
+
+#include "rtc_base/gunit.h"
+#include "test/gmock.h"
+#include "test/time_controller/simulated_time_controller.h"
+
+namespace dcsctp {
+namespace {
+using ::testing::MockFunction;
+
+class TaskQueueTimeoutTest : public testing::Test {
+ protected:
+  TaskQueueTimeoutTest()
+      : time_controller_(webrtc::Timestamp::Millis(1234)),
+        task_queue_(time_controller_.GetMainThread()),
+        factory_(
+            *task_queue_,
+            [this]() {
+              return TimeMs(time_controller_.GetClock()->CurrentTime().ms());
+            },
+            on_expired_.AsStdFunction()) {}
+
+  void AdvanceTime(DurationMs duration) {
+    time_controller_.AdvanceTime(webrtc::TimeDelta::Millis(*duration));
+  }
+
+  MockFunction<void(TimeoutID)> on_expired_;
+  webrtc::GlobalSimulatedTimeController time_controller_;
+
+  rtc::Thread* task_queue_;
+  TaskQueueTimeoutFactory factory_;
+};
+
+TEST_F(TaskQueueTimeoutTest, StartPostsDelayedTask) {
+  std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
+  timeout->Start(DurationMs(1000), TimeoutID(1));
+
+  EXPECT_CALL(on_expired_, Call).Times(0);
+  AdvanceTime(DurationMs(999));
+
+  EXPECT_CALL(on_expired_, Call(TimeoutID(1)));
+  AdvanceTime(DurationMs(1));
+}
+
+TEST_F(TaskQueueTimeoutTest, StopBeforeExpiringDoesntTrigger) {
+  std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
+  timeout->Start(DurationMs(1000), TimeoutID(1));
+
+  EXPECT_CALL(on_expired_, Call).Times(0);
+  AdvanceTime(DurationMs(999));
+
+  timeout->Stop();
+
+  AdvanceTime(DurationMs(1));
+  AdvanceTime(DurationMs(1000));
+}
+
+TEST_F(TaskQueueTimeoutTest, RestartPrologingTimeoutDuration) {
+  std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
+  timeout->Start(DurationMs(1000), TimeoutID(1));
+
+  EXPECT_CALL(on_expired_, Call).Times(0);
+  AdvanceTime(DurationMs(500));
+
+  timeout->Restart(DurationMs(1000), TimeoutID(2));
+
+  AdvanceTime(DurationMs(999));
+
+  EXPECT_CALL(on_expired_, Call(TimeoutID(2)));
+  AdvanceTime(DurationMs(1));
+}
+
+TEST_F(TaskQueueTimeoutTest, RestartWithShorterDurationExpiresWhenExpected) {
+  std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
+  timeout->Start(DurationMs(1000), TimeoutID(1));
+
+  EXPECT_CALL(on_expired_, Call).Times(0);
+  AdvanceTime(DurationMs(500));
+
+  timeout->Restart(DurationMs(200), TimeoutID(2));
+
+  AdvanceTime(DurationMs(199));
+
+  EXPECT_CALL(on_expired_, Call(TimeoutID(2)));
+  AdvanceTime(DurationMs(1));
+
+  EXPECT_CALL(on_expired_, Call).Times(0);
+  AdvanceTime(DurationMs(1000));
+}
+
+TEST_F(TaskQueueTimeoutTest, KilledBeforeExpired) {
+  std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
+  timeout->Start(DurationMs(1000), TimeoutID(1));
+
+  EXPECT_CALL(on_expired_, Call).Times(0);
+  AdvanceTime(DurationMs(500));
+
+  timeout = nullptr;
+
+  EXPECT_CALL(on_expired_, Call).Times(0);
+  AdvanceTime(DurationMs(1000));
+}
+}  // namespace
+}  // namespace dcsctp