| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/media/audible_metrics.h" |
| |
| #include "base/metrics/histogram_samples.h" |
| #include "base/test/metrics/histogram_tester.h" |
| #include "base/test/metrics/user_action_tester.h" |
| #include "base/test/simple_test_tick_clock.h" |
| #include "content/browser/media/media_web_contents_observer.h" |
| #include "content/public/test/test_renderer_host.h" |
| #include "content/test/test_web_contents.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| static const WebContents* WEB_CONTENTS_0 = reinterpret_cast<WebContents*>(0x00); |
| static const WebContents* WEB_CONTENTS_1 = reinterpret_cast<WebContents*>(0x01); |
| static const WebContents* WEB_CONTENTS_2 = reinterpret_cast<WebContents*>(0x10); |
| static const WebContents* WEB_CONTENTS_3 = reinterpret_cast<WebContents*>(0x11); |
| |
| static const char* CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM = |
| "Media.Audible.ConcurrentTabsWhenStarting"; |
| static const char* MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM = |
| "Media.Audible.MaxConcurrentTabsInSession"; |
| static const char* CONCURRENT_TABS_TIME_HISTOGRAM = |
| "Media.Audible.ConcurrentTabsTime"; |
| static const char* CLOSE_NEWEST_TAB_HISTOGRAM = |
| "Media.Audible.CloseNewestToExitConcurrentPlayback"; |
| |
| class AudibleMetricsTest : public RenderViewHostTestHarness { |
| public: |
| AudibleMetricsTest() = default; |
| |
| void SetUp() override { |
| RenderViewHostTestHarness::SetUp(); |
| audible_metrics_ = std::make_unique<AudibleMetrics>(); |
| |
| // Set the clock to a value different than 0 so the time it gives is |
| // recognized as initialized. |
| clock_.Advance(base::TimeDelta::FromMilliseconds(1)); |
| audible_metrics_->SetClockForTest(&clock_); |
| } |
| |
| void TearDown() override { |
| audible_metrics_.reset(); |
| RenderViewHostTestHarness::TearDown(); |
| } |
| |
| base::SimpleTestTickClock* clock() { return &clock_; } |
| |
| AudibleMetrics* audible_metrics() { return audible_metrics_.get(); }; |
| |
| const base::UserActionTester& user_action_tester() const { |
| return user_action_tester_; |
| } |
| |
| std::unique_ptr<base::HistogramSamples> GetHistogramSamplesSinceTestStart( |
| const std::string& name) { |
| return histogram_tester_.GetHistogramSamplesSinceCreation(name); |
| } |
| |
| TestWebContents* test_web_contents() { |
| return static_cast<TestWebContents*>(web_contents()); |
| } |
| |
| private: |
| std::unique_ptr<AudibleMetrics> audible_metrics_; |
| |
| base::SimpleTestTickClock clock_; |
| base::HistogramTester histogram_tester_; |
| base::UserActionTester user_action_tester_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AudibleMetricsTest); |
| }; |
| |
| } // anonymous namespace |
| |
| TEST_F(AudibleMetricsTest, CreateAndKillDoesNothing) { |
| { std::unique_ptr<AudibleMetrics> audible_metrics(new AudibleMetrics()); } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| |
| } |
| |
| TEST_F(AudibleMetricsTest, AudibleStart) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| |
| } |
| |
| TEST_F(AudibleMetricsTest, AudibleStartAndStop) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, AddSameTabIsNoOp) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, RemoveUnknownTabIsNoOp) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)->TotalCount()); |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)->TotalCount()); |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionIsIncremental) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(4, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| EXPECT_EQ(1, samples->GetCount(2)); |
| EXPECT_EQ(1, samples->GetCount(3)); |
| EXPECT_EQ(1, samples->GetCount(4)); |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionKeepTrackOfRemovedTabs) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(2, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| EXPECT_EQ(1, samples->GetCount(2)); |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionIsNotCountedTwice) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, false); |
| |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(4, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| EXPECT_EQ(1, samples->GetCount(2)); |
| EXPECT_EQ(1, samples->GetCount(3)); |
| EXPECT_EQ(1, samples->GetCount(4)); |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsWhenStartingAddedPerTab) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(2, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| // Added again: ignored. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(2, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| // Removing both. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(2, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| // Adding them after removed, it is counted. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(4, samples->TotalCount()); |
| EXPECT_EQ(2, samples->GetCount(0)); |
| EXPECT_EQ(2, samples->GetCount(1)); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsTimeRequiresTwoAudibleTabs) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| clock()->Advance(base::TimeDelta::FromMilliseconds(1000)); |
| |
| // No record because concurrent audible tabs still running. |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| |
| // No longer concurrent. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1000)); |
| } |
| |
| // Stopping the second tab is a no-op. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1000)); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsTimeRunsAsLongAsTwoAudibleTabs) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| clock()->Advance(base::TimeDelta::FromMilliseconds(1000)); |
| |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| |
| clock()->Advance(base::TimeDelta::FromMilliseconds(500)); |
| |
| // Mutes one of the three audible tabs. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| |
| // No record because concurrent audible tabs still running. |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| |
| // Mutes the first audible tab. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1500)); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, MediaWebContentsObserver_Audible_Muted) { |
| MediaWebContentsObserver media_observer(test_web_contents()); |
| media_observer.SetAudibleMetricsForTest(audible_metrics()); |
| |
| test_web_contents()->SetAudioMuted(true); |
| test_web_contents() |
| ->audio_stream_monitor() |
| ->set_is_currently_audible_for_testing(true); |
| |
| EXPECT_TRUE( |
| test_web_contents()->audio_stream_monitor()->IsCurrentlyAudible()); |
| EXPECT_TRUE(test_web_contents()->IsAudioMuted()); |
| |
| EXPECT_EQ(0, audible_metrics()->GetAudibleWebContentsSizeForTest()); |
| media_observer.MaybeUpdateAudibleState(); |
| EXPECT_EQ(0, audible_metrics()->GetAudibleWebContentsSizeForTest()); |
| } |
| |
| TEST_F(AudibleMetricsTest, MediaWebContentsObserver_Audible_NotMuted) { |
| MediaWebContentsObserver media_observer(test_web_contents()); |
| media_observer.SetAudibleMetricsForTest(audible_metrics()); |
| |
| test_web_contents() |
| ->audio_stream_monitor() |
| ->set_is_currently_audible_for_testing(true); |
| |
| EXPECT_TRUE( |
| test_web_contents()->audio_stream_monitor()->IsCurrentlyAudible()); |
| EXPECT_FALSE(test_web_contents()->IsAudioMuted()); |
| |
| EXPECT_EQ(0, audible_metrics()->GetAudibleWebContentsSizeForTest()); |
| media_observer.MaybeUpdateAudibleState(); |
| EXPECT_EQ(1, audible_metrics()->GetAudibleWebContentsSizeForTest()); |
| } |
| |
| TEST_F(AudibleMetricsTest, MediaWebContentsObserver_NotAudible_Muted) { |
| MediaWebContentsObserver media_observer(test_web_contents()); |
| media_observer.SetAudibleMetricsForTest(audible_metrics()); |
| |
| test_web_contents()->SetAudioMuted(true); |
| |
| EXPECT_FALSE( |
| test_web_contents()->audio_stream_monitor()->IsCurrentlyAudible()); |
| EXPECT_TRUE(test_web_contents()->IsAudioMuted()); |
| |
| EXPECT_EQ(0, audible_metrics()->GetAudibleWebContentsSizeForTest()); |
| media_observer.MaybeUpdateAudibleState(); |
| EXPECT_EQ(0, audible_metrics()->GetAudibleWebContentsSizeForTest()); |
| } |
| |
| TEST_F(AudibleMetricsTest, MediaWebContentsObserver_NotAudible_NotMuted) { |
| MediaWebContentsObserver media_observer(test_web_contents()); |
| media_observer.SetAudibleMetricsForTest(audible_metrics()); |
| |
| EXPECT_FALSE( |
| test_web_contents()->audio_stream_monitor()->IsCurrentlyAudible()); |
| EXPECT_FALSE(test_web_contents()->IsAudioMuted()); |
| |
| EXPECT_EQ(0, audible_metrics()->GetAudibleWebContentsSizeForTest()); |
| media_observer.MaybeUpdateAudibleState(); |
| EXPECT_EQ(0, audible_metrics()->GetAudibleWebContentsSizeForTest()); |
| } |
| |
| TEST_F(AudibleMetricsTest, CloseNewestAudibleTabHistogram_IgnoreNotAudible) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| |
| audible_metrics()->WebContentsDestroyed(WEB_CONTENTS_0); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CLOSE_NEWEST_TAB_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, CloseNewestAudibleTabHistogram_Newest) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| |
| audible_metrics()->WebContentsDestroyed(WEB_CONTENTS_2); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CLOSE_NEWEST_TAB_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| EXPECT_EQ( |
| 0, samples->GetCount(static_cast<int>( |
| AudibleMetrics::ExitConcurrentPlaybackContents::kMostRecent))); |
| } |
| |
| audible_metrics()->WebContentsDestroyed(WEB_CONTENTS_1); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CLOSE_NEWEST_TAB_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ( |
| 1, samples->GetCount(static_cast<int>( |
| AudibleMetrics::ExitConcurrentPlaybackContents::kMostRecent))); |
| } |
| |
| audible_metrics()->WebContentsDestroyed(WEB_CONTENTS_0); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CLOSE_NEWEST_TAB_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ( |
| 1, samples->GetCount(static_cast<int>( |
| AudibleMetrics::ExitConcurrentPlaybackContents::kMostRecent))); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, CloseNewestAudibleTabHistogram_Old) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| |
| audible_metrics()->WebContentsDestroyed(WEB_CONTENTS_1); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CLOSE_NEWEST_TAB_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| EXPECT_EQ(0, samples->GetCount(0)); |
| EXPECT_EQ(0, samples->GetCount(static_cast<int>( |
| AudibleMetrics::ExitConcurrentPlaybackContents::kOlder))); |
| } |
| |
| audible_metrics()->WebContentsDestroyed(WEB_CONTENTS_0); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CLOSE_NEWEST_TAB_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(static_cast<int>( |
| AudibleMetrics::ExitConcurrentPlaybackContents::kOlder))); |
| } |
| |
| audible_metrics()->WebContentsDestroyed(WEB_CONTENTS_2); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CLOSE_NEWEST_TAB_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(static_cast<int>( |
| AudibleMetrics::ExitConcurrentPlaybackContents::kOlder))); |
| } |
| } |
| |
| } // namespace content |