service_metrics_unittest.cc 2.0 KB

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  1. // Copyright 2018 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 "services/audio/service_metrics.h"
  5. #include <memory>
  6. #include "base/metrics/histogram_macros.h"
  7. #include "base/test/metrics/histogram_tester.h"
  8. #include "base/test/simple_test_tick_clock.h"
  9. #include "testing/gtest/include/gtest/gtest.h"
  10. namespace audio {
  11. TEST(AudioServiceMetricsTest, CreateDestroy_LogsUptime) {
  12. base::SimpleTestTickClock test_clock;
  13. test_clock.SetNowTicks(base::TimeTicks::Now());
  14. base::HistogramTester histogram_tester;
  15. std::unique_ptr<ServiceMetrics> metrics =
  16. std::make_unique<ServiceMetrics>(&test_clock);
  17. test_clock.Advance(base::Days(6));
  18. metrics.reset();
  19. }
  20. TEST(AudioServiceMetricsTest, AddRemoveConnection_LogsHasConnectionDuration) {
  21. base::SimpleTestTickClock test_clock;
  22. test_clock.SetNowTicks(base::TimeTicks::Now());
  23. base::HistogramTester histogram_tester;
  24. ServiceMetrics metrics(&test_clock);
  25. metrics.HasConnections();
  26. test_clock.Advance(base::Minutes(42));
  27. metrics.HasNoConnections();
  28. histogram_tester.ExpectTimeBucketCount(
  29. "Media.AudioService.HasConnectionsDuration", base::Minutes(42), 1);
  30. histogram_tester.ExpectTotalCount("Media.AudioService.HasConnectionsDuration",
  31. 1);
  32. }
  33. TEST(AudioServiceMetricsTest, RemoveAddConnection_LogsHasNoConnectionDuration) {
  34. base::SimpleTestTickClock test_clock;
  35. test_clock.SetNowTicks(base::TimeTicks::Now());
  36. base::HistogramTester histogram_tester;
  37. ServiceMetrics metrics(&test_clock);
  38. metrics.HasConnections();
  39. test_clock.Advance(base::Minutes(5));
  40. metrics.HasNoConnections();
  41. test_clock.Advance(base::Milliseconds(10));
  42. metrics.HasConnections();
  43. histogram_tester.ExpectTimeBucketCount(
  44. "Media.AudioService.HasNoConnectionsDuration", base::Milliseconds(10), 1);
  45. histogram_tester.ExpectTotalCount(
  46. "Media.AudioService.HasNoConnectionsDuration", 1);
  47. }
  48. } // namespace audio