quic_clock_skew_detector_test.cc 2.3 KB

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  1. // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "net/quic/quic_clock_skew_detector.h"
  5. #include "base/time/time.h"
  6. #include "net/third_party/quiche/src/quiche/quic/test_tools/mock_clock.h"
  7. #include "net/third_party/quiche/src/quiche/quic/test_tools/mock_random.h"
  8. #include "testing/gtest/include/gtest/gtest.h"
  9. namespace net::test {
  10. namespace {
  11. class QuicClockSkewDetectorTest : public ::testing::Test {
  12. protected:
  13. QuicClockSkewDetectorTest()
  14. : start_ticks_time_(base::TimeTicks::Now()),
  15. start_wall_time_(base::Time::Now()),
  16. detector_(start_ticks_time_, start_wall_time_) {}
  17. base::TimeTicks start_ticks_time_;
  18. base::Time start_wall_time_;
  19. QuicClockSkewDetector detector_;
  20. };
  21. TEST_F(QuicClockSkewDetectorTest, NoChange) {
  22. EXPECT_FALSE(
  23. detector_.ClockSkewDetected(start_ticks_time_, start_wall_time_));
  24. }
  25. TEST_F(QuicClockSkewDetectorTest, NoOffset) {
  26. base::TimeDelta delta = base::Seconds(57);
  27. EXPECT_FALSE(detector_.ClockSkewDetected(start_ticks_time_ + delta,
  28. start_wall_time_ + delta));
  29. }
  30. TEST_F(QuicClockSkewDetectorTest, SmallOffset) {
  31. base::TimeDelta delta = base::Milliseconds(57);
  32. EXPECT_FALSE(
  33. detector_.ClockSkewDetected(start_ticks_time_, start_wall_time_ + delta));
  34. }
  35. TEST_F(QuicClockSkewDetectorTest, ManySmallOffset) {
  36. for (int i = 0; i < 10; ++i) {
  37. base::TimeDelta delta = base::Milliseconds(500);
  38. EXPECT_FALSE(detector_.ClockSkewDetected(start_ticks_time_,
  39. start_wall_time_ + i * delta));
  40. }
  41. }
  42. TEST_F(QuicClockSkewDetectorTest, LargeOffset) {
  43. base::TimeDelta delta = base::Milliseconds(1001);
  44. EXPECT_TRUE(
  45. detector_.ClockSkewDetected(start_ticks_time_, start_wall_time_ + delta));
  46. }
  47. TEST_F(QuicClockSkewDetectorTest, LargeOffsetThenSmallOffset) {
  48. base::TimeDelta delta = base::Milliseconds(1001);
  49. EXPECT_TRUE(
  50. detector_.ClockSkewDetected(start_ticks_time_, start_wall_time_ + delta));
  51. base::TimeDelta small_delta = base::Milliseconds(571001);
  52. EXPECT_FALSE(detector_.ClockSkewDetected(
  53. start_ticks_time_ + small_delta, start_wall_time_ + delta + small_delta));
  54. }
  55. } // namespace
  56. } // namespace net::test