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- // Copyright 2017 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 "components/metrics/stability_metrics_provider.h"
- #include "base/test/metrics/histogram_tester.h"
- #include "base/time/time.h"
- #include "build/build_config.h"
- #include "components/metrics/stability_metrics_helper.h"
- #include "components/prefs/testing_pref_service.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "third_party/metrics_proto/system_profile.pb.h"
- namespace metrics {
- class StabilityMetricsProviderTest : public testing::Test {
- public:
- StabilityMetricsProviderTest() {
- StabilityMetricsProvider::RegisterPrefs(prefs_.registry());
- }
- StabilityMetricsProviderTest(const StabilityMetricsProviderTest&) = delete;
- StabilityMetricsProviderTest& operator=(const StabilityMetricsProviderTest&) =
- delete;
- ~StabilityMetricsProviderTest() override {}
- protected:
- TestingPrefServiceSimple prefs_;
- };
- TEST_F(StabilityMetricsProviderTest, ProvideStabilityMetrics) {
- base::HistogramTester histogram_tester;
- StabilityMetricsProvider stability_provider(&prefs_);
- MetricsProvider* provider = &stability_provider;
- SystemProfileProto system_profile;
- provider->ProvideStabilityMetrics(&system_profile);
- #if BUILDFLAG(IS_ANDROID)
- // Initial log metrics: only expected if non-zero.
- const SystemProfileProto_Stability& stability = system_profile.stability();
- // The launch count field is used on Android only.
- EXPECT_FALSE(stability.has_launch_count());
- #endif
- histogram_tester.ExpectBucketCount("Stability.Counts2",
- StabilityEventType::kLaunch, 0);
- histogram_tester.ExpectBucketCount("Stability.Counts2",
- StabilityEventType::kBrowserCrash, 0);
- }
- TEST_F(StabilityMetricsProviderTest, RecordStabilityMetrics) {
- base::HistogramTester histogram_tester;
- {
- StabilityMetricsProvider recorder(&prefs_);
- recorder.LogLaunch();
- recorder.LogCrash(base::Time());
- }
- {
- StabilityMetricsProvider stability_provider(&prefs_);
- MetricsProvider* provider = &stability_provider;
- SystemProfileProto system_profile;
- provider->ProvideStabilityMetrics(&system_profile);
- #if BUILDFLAG(IS_ANDROID)
- // Initial log metrics: only expected if non-zero.
- const SystemProfileProto_Stability& stability = system_profile.stability();
- // The launch count field is populated only on Android.
- EXPECT_EQ(1, stability.launch_count());
- #endif
- histogram_tester.ExpectBucketCount("Stability.Counts2",
- StabilityEventType::kLaunch, 1);
- histogram_tester.ExpectBucketCount("Stability.Counts2",
- StabilityEventType::kBrowserCrash, 1);
- }
- }
- #if BUILDFLAG(IS_WIN)
- namespace {
- class TestingStabilityMetricsProvider : public StabilityMetricsProvider {
- public:
- TestingStabilityMetricsProvider(PrefService* local_state,
- base::Time unclean_session_time)
- : StabilityMetricsProvider(local_state),
- unclean_session_time_(unclean_session_time) {}
- bool IsUncleanSystemSession(base::Time last_live_timestamp) override {
- return last_live_timestamp == unclean_session_time_;
- }
- private:
- const base::Time unclean_session_time_;
- };
- } // namespace
- TEST_F(StabilityMetricsProviderTest, RecordSystemCrashMetrics) {
- base::HistogramTester histogram_tester;
- {
- base::Time unclean_time = base::Time::Now();
- TestingStabilityMetricsProvider recorder(&prefs_, unclean_time);
- // Any crash with a last_live_timestamp equal to unclean_time will
- // be logged as a system crash as per the implementation of
- // TestingStabilityMetricsProvider, so this will log a system crash.
- recorder.LogCrash(unclean_time);
- // Record a crash with no system crash.
- recorder.LogCrash(unclean_time - base::Minutes(1));
- }
- {
- StabilityMetricsProvider stability_provider(&prefs_);
- MetricsProvider* provider = &stability_provider;
- SystemProfileProto system_profile;
- provider->ProvideStabilityMetrics(&system_profile);
- // Two crashes, one system crash.
- histogram_tester.ExpectUniqueSample("Stability.Counts2",
- StabilityEventType::kBrowserCrash, 2);
- histogram_tester.ExpectTotalCount("Stability.Internals.SystemCrashCount",
- 1);
- }
- }
- #endif
- } // namespace metrics
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