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- // Copyright 2014 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/metrics_log.h"
- #include <stddef.h>
- #include <stdint.h>
- #include <string>
- #include "base/base64.h"
- #include "base/command_line.h"
- #include "base/memory/ptr_util.h"
- #include "base/metrics/bucket_ranges.h"
- #include "base/metrics/sample_vector.h"
- #include "base/strings/string_number_conversions.h"
- #include "base/strings/string_util.h"
- #include "base/system/sys_info.h"
- #include "base/test/simple_test_clock.h"
- #include "base/test/simple_test_tick_clock.h"
- #include "base/test/task_environment.h"
- #include "base/time/default_clock.h"
- #include "base/time/default_tick_clock.h"
- #include "base/time/time.h"
- #include "build/build_config.h"
- #include "build/chromeos_buildflags.h"
- #include "components/metrics/cpu_metrics_provider.h"
- #include "components/metrics/delegating_provider.h"
- #include "components/metrics/environment_recorder.h"
- #include "components/metrics/metrics_pref_names.h"
- #include "components/metrics/metrics_state_manager.h"
- #include "components/metrics/test/test_metrics_provider.h"
- #include "components/metrics/test/test_metrics_service_client.h"
- #include "components/prefs/pref_service.h"
- #include "components/prefs/testing_pref_service.h"
- #include "components/variations/active_field_trials.h"
- #include "services/network/test/test_shared_url_loader_factory.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "third_party/metrics_proto/chrome_user_metrics_extension.pb.h"
- #if BUILDFLAG(IS_ANDROID)
- #include "base/android/build_info.h"
- #endif
- #if BUILDFLAG(IS_WIN)
- #include "base/win/current_module.h"
- #endif
- namespace metrics {
- namespace {
- const char kClientId[] = "bogus client ID";
- const int kSessionId = 127;
- class TestMetricsLog : public MetricsLog {
- public:
- TestMetricsLog(const std::string& client_id,
- int session_id,
- LogType log_type,
- MetricsServiceClient* client)
- : MetricsLog(client_id, session_id, log_type, client) {}
- TestMetricsLog(const TestMetricsLog&) = delete;
- TestMetricsLog& operator=(const TestMetricsLog&) = delete;
- ~TestMetricsLog() override {}
- const ChromeUserMetricsExtension& uma_proto() const {
- return *MetricsLog::uma_proto();
- }
- ChromeUserMetricsExtension* mutable_uma_proto() {
- return MetricsLog::uma_proto();
- }
- const SystemProfileProto& system_profile() const {
- return uma_proto().system_profile();
- }
- };
- // Returns the expected hardware class for a metrics log.
- std::string GetExpectedHardwareClass() {
- #if BUILDFLAG(IS_CHROMEOS_ASH)
- // Currently, we are relying on base/ implementation for functionality on our
- // side which can be fragile if in the future someone decides to change that.
- // This replicates the logic to get the hardware class for ChromeOS and this
- // result should match with the result by calling
- // base::SysInfo::HardwareModelName().
- std::string board = base::SysInfo::GetLsbReleaseBoard();
- const size_t index = board.find("-signed-");
- if (index != std::string::npos)
- board.resize(index);
- return base::ToUpperASCII(board);
- #else
- return base::SysInfo::HardwareModelName();
- #endif
- }
- } // namespace
- class MetricsLogTest : public testing::Test {
- public:
- MetricsLogTest() {}
- MetricsLogTest(const MetricsLogTest&) = delete;
- MetricsLogTest& operator=(const MetricsLogTest&) = delete;
- ~MetricsLogTest() override {}
- protected:
- // Check that the values in |system_values| are filled in and expected ones
- // correspond to the test data defined at the top of this file.
- void CheckSystemProfile(const SystemProfileProto& system_profile) {
- // Check for presence of core system profile fields.
- EXPECT_TRUE(system_profile.has_build_timestamp());
- EXPECT_TRUE(system_profile.has_app_version());
- EXPECT_TRUE(system_profile.has_channel());
- EXPECT_FALSE(system_profile.has_is_extended_stable_channel());
- EXPECT_TRUE(system_profile.has_application_locale());
- const SystemProfileProto::OS& os = system_profile.os();
- EXPECT_TRUE(os.has_name());
- EXPECT_TRUE(os.has_version());
- // Check matching test brand code.
- EXPECT_EQ(TestMetricsServiceClient::kBrandForTesting,
- system_profile.brand_code());
- // Check for presence of fields set by a metrics provider.
- const SystemProfileProto::Hardware& hardware = system_profile.hardware();
- EXPECT_EQ(hardware.hardware_class(), GetExpectedHardwareClass());
- EXPECT_TRUE(hardware.has_cpu());
- EXPECT_TRUE(hardware.cpu().has_vendor_name());
- EXPECT_TRUE(hardware.cpu().has_signature());
- EXPECT_TRUE(hardware.cpu().has_num_cores());
- // TODO(isherman): Verify other data written into the protobuf as a result
- // of this call.
- }
- };
- TEST_F(MetricsLogTest, LogType) {
- TestMetricsServiceClient client;
- TestingPrefServiceSimple prefs;
- MetricsLog log1("id", 0, MetricsLog::ONGOING_LOG, &client);
- EXPECT_EQ(MetricsLog::ONGOING_LOG, log1.log_type());
- MetricsLog log2("id", 0, MetricsLog::INITIAL_STABILITY_LOG, &client);
- EXPECT_EQ(MetricsLog::INITIAL_STABILITY_LOG, log2.log_type());
- }
- TEST_F(MetricsLogTest, BasicRecord) {
- TestMetricsServiceClient client;
- client.set_version_string("bogus version");
- const std::string kOtherClientId = "totally bogus client ID";
- TestingPrefServiceSimple prefs;
- base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
- // Clears existing command line flags and sets mock flags:
- // "--mock-flag-1 --mock-flag-2=unused_value"
- // Hashes of these flags should be populated on the system_profile field.
- command_line->InitFromArgv(0, nullptr);
- command_line->AppendSwitch("mock-flag-1");
- command_line->AppendSwitchASCII("mock-flag-2", "unused_value");
- MetricsLog log(kOtherClientId, 137, MetricsLog::ONGOING_LOG, &client);
- log.CloseLog();
- std::string encoded;
- log.GetEncodedLog(&encoded);
- // A couple of fields are hard to mock, so these will be copied over directly
- // for the expected output.
- ChromeUserMetricsExtension parsed;
- ASSERT_TRUE(parsed.ParseFromString(encoded));
- ChromeUserMetricsExtension expected;
- expected.set_client_id(5217101509553811875); // Hashed bogus client ID
- expected.set_session_id(137);
- SystemProfileProto* system_profile = expected.mutable_system_profile();
- system_profile->set_app_version("bogus version");
- // Make sure |client_uuid| in the system profile is the unhashed client id
- // and is the same as the client id in |local_prefs|.
- system_profile->set_client_uuid(kOtherClientId);
- system_profile->set_channel(client.GetChannel());
- system_profile->set_application_locale(client.GetApplicationLocale());
- system_profile->set_brand_code(TestMetricsServiceClient::kBrandForTesting);
- // Hashes of "mock-flag-1" and "mock-flag-2" from SetUpCommandLine.
- system_profile->add_command_line_key_hash(2578836236);
- system_profile->add_command_line_key_hash(2867288449);
- #if defined(ADDRESS_SANITIZER) || DCHECK_IS_ON()
- system_profile->set_is_instrumented_build(true);
- #endif
- metrics::SystemProfileProto::Hardware* hardware =
- system_profile->mutable_hardware();
- hardware->set_cpu_architecture(base::SysInfo::OperatingSystemArchitecture());
- auto app_os_arch = base::SysInfo::ProcessCPUArchitecture();
- if (!app_os_arch.empty())
- hardware->set_app_cpu_architecture(app_os_arch);
- hardware->set_system_ram_mb(base::SysInfo::AmountOfPhysicalMemoryMB());
- hardware->set_hardware_class(GetExpectedHardwareClass());
- #if BUILDFLAG(IS_WIN)
- hardware->set_dll_base(reinterpret_cast<uint64_t>(CURRENT_MODULE()));
- #endif
- #if BUILDFLAG(IS_CHROMEOS_LACROS)
- system_profile->mutable_os()->set_name("Lacros");
- #elif BUILDFLAG(IS_CHROMEOS_ASH)
- system_profile->mutable_os()->set_name("CrOS");
- #else
- system_profile->mutable_os()->set_name(base::SysInfo::OperatingSystemName());
- #endif
- system_profile->mutable_os()->set_version(
- base::SysInfo::OperatingSystemVersion());
- #if BUILDFLAG(IS_CHROMEOS_ASH)
- system_profile->mutable_os()->set_kernel_version(
- base::SysInfo::KernelVersion());
- #elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)
- system_profile->mutable_os()->set_kernel_version(
- base::SysInfo::OperatingSystemVersion());
- #elif BUILDFLAG(IS_ANDROID)
- system_profile->mutable_os()->set_build_fingerprint(
- base::android::BuildInfo::GetInstance()->android_build_fp());
- system_profile->set_app_package_name("test app");
- #elif BUILDFLAG(IS_IOS)
- system_profile->mutable_os()->set_build_number(
- base::SysInfo::GetIOSBuildNumber());
- #endif
- // Hard to mock.
- system_profile->set_build_timestamp(
- parsed.system_profile().build_timestamp());
- #if BUILDFLAG(IS_ANDROID)
- system_profile->set_installer_package(
- parsed.system_profile().installer_package());
- #endif
- // Not tested here; instead tested in Timestamps_* tests below.
- expected.mutable_time_log_created()->CopyFrom(parsed.time_log_created());
- expected.mutable_time_log_closed()->CopyFrom(parsed.time_log_closed());
- EXPECT_EQ(expected.SerializeAsString(), encoded);
- }
- TEST_F(MetricsLogTest, Timestamps_InitialStabilityLog) {
- TestMetricsServiceClient client;
- std::unique_ptr<base::SimpleTestClock> clock =
- std::make_unique<base::SimpleTestClock>();
- // Should not have times from initial stability logs.
- clock->SetNow(base::Time::FromTimeT(1));
- MetricsLog log("id", 0, MetricsLog::INITIAL_STABILITY_LOG, clock.get(),
- nullptr, &client);
- clock->SetNow(base::Time::FromTimeT(2));
- log.CloseLog();
- std::string encoded;
- log.GetEncodedLog(&encoded);
- ChromeUserMetricsExtension parsed;
- ASSERT_TRUE(parsed.ParseFromString(encoded));
- EXPECT_FALSE(parsed.has_time_log_created());
- EXPECT_FALSE(parsed.has_time_log_closed());
- }
- TEST_F(MetricsLogTest, Timestamps_IndependentLog) {
- TestMetricsServiceClient client;
- std::unique_ptr<base::SimpleTestClock> clock =
- std::make_unique<base::SimpleTestClock>();
- // Should not have times from independent logs.
- clock->SetNow(base::Time::FromTimeT(1));
- MetricsLog log("id", 0, MetricsLog::INDEPENDENT_LOG, clock.get(), nullptr,
- &client);
- clock->SetNow(base::Time::FromTimeT(2));
- log.CloseLog();
- std::string encoded;
- log.GetEncodedLog(&encoded);
- ChromeUserMetricsExtension parsed;
- ASSERT_TRUE(parsed.ParseFromString(encoded));
- EXPECT_FALSE(parsed.has_time_log_created());
- EXPECT_FALSE(parsed.has_time_log_closed());
- }
- TEST_F(MetricsLogTest, Timestamps_OngoingLog) {
- TestMetricsServiceClient client;
- std::unique_ptr<base::SimpleTestClock> clock =
- std::make_unique<base::SimpleTestClock>();
- // Should have times from regular (ongoing) logs.
- clock->SetNow(base::Time::FromTimeT(1));
- MetricsLog log("id", 0, MetricsLog::ONGOING_LOG, clock.get(), nullptr,
- &client);
- clock->SetNow(base::Time::FromTimeT(2));
- log.CloseLog();
- std::string encoded;
- log.GetEncodedLog(&encoded);
- ChromeUserMetricsExtension parsed;
- ASSERT_TRUE(parsed.ParseFromString(encoded));
- EXPECT_TRUE(parsed.has_time_log_created());
- EXPECT_EQ(parsed.time_log_created().time_sec(), 1);
- EXPECT_EQ(parsed.time_log_created().time_source(),
- ChromeUserMetricsExtension::RealLocalTime::CLIENT_CLOCK);
- // The timezone should not be set in the time_log_created field.
- EXPECT_FALSE(parsed.time_log_created().has_time_zone_offset_from_gmt_sec());
- EXPECT_TRUE(parsed.has_time_log_closed());
- EXPECT_EQ(parsed.time_log_closed().time_sec(), 2);
- EXPECT_EQ(parsed.time_log_closed().time_source(),
- ChromeUserMetricsExtension::RealLocalTime::CLIENT_CLOCK);
- // The timezone should be set, but we don't check what it is.
- EXPECT_TRUE(parsed.time_log_closed().has_time_zone_offset_from_gmt_sec());
- }
- TEST_F(MetricsLogTest, HistogramBucketFields) {
- // Create buckets: 1-5, 5-7, 7-8, 8-9, 9-10, 10-11, 11-12.
- base::BucketRanges ranges(8);
- ranges.set_range(0, 1);
- ranges.set_range(1, 5);
- ranges.set_range(2, 7);
- ranges.set_range(3, 8);
- ranges.set_range(4, 9);
- ranges.set_range(5, 10);
- ranges.set_range(6, 11);
- ranges.set_range(7, 12);
- base::SampleVector samples(1, &ranges);
- samples.Accumulate(3, 1); // Bucket 1-5.
- samples.Accumulate(6, 1); // Bucket 5-7.
- samples.Accumulate(8, 1); // Bucket 8-9. (7-8 skipped)
- samples.Accumulate(10, 1); // Bucket 10-11. (9-10 skipped)
- samples.Accumulate(11, 1); // Bucket 11-12.
- TestMetricsServiceClient client;
- TestingPrefServiceSimple prefs;
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- log.RecordHistogramDelta("Test", samples);
- const ChromeUserMetricsExtension& uma_proto = log.uma_proto();
- const HistogramEventProto& histogram_proto =
- uma_proto.histogram_event(uma_proto.histogram_event_size() - 1);
- // Buckets with samples: 1-5, 5-7, 8-9, 10-11, 11-12.
- // Should become: 1-/, 5-7, /-9, 10-/, /-12.
- ASSERT_EQ(5, histogram_proto.bucket_size());
- // 1-5 becomes 1-/ (max is same as next min).
- EXPECT_TRUE(histogram_proto.bucket(0).has_min());
- EXPECT_FALSE(histogram_proto.bucket(0).has_max());
- EXPECT_EQ(1, histogram_proto.bucket(0).min());
- // 5-7 stays 5-7 (no optimization possible).
- EXPECT_TRUE(histogram_proto.bucket(1).has_min());
- EXPECT_TRUE(histogram_proto.bucket(1).has_max());
- EXPECT_EQ(5, histogram_proto.bucket(1).min());
- EXPECT_EQ(7, histogram_proto.bucket(1).max());
- // 8-9 becomes /-9 (min is same as max - 1).
- EXPECT_FALSE(histogram_proto.bucket(2).has_min());
- EXPECT_TRUE(histogram_proto.bucket(2).has_max());
- EXPECT_EQ(9, histogram_proto.bucket(2).max());
- // 10-11 becomes 10-/ (both optimizations apply, omit max is prioritized).
- EXPECT_TRUE(histogram_proto.bucket(3).has_min());
- EXPECT_FALSE(histogram_proto.bucket(3).has_max());
- EXPECT_EQ(10, histogram_proto.bucket(3).min());
- // 11-12 becomes /-12 (last record must keep max, min is same as max - 1).
- EXPECT_FALSE(histogram_proto.bucket(4).has_min());
- EXPECT_TRUE(histogram_proto.bucket(4).has_max());
- EXPECT_EQ(12, histogram_proto.bucket(4).max());
- }
- TEST_F(MetricsLogTest, HistogramSamplesCount) {
- const std::string histogram_name = "test";
- TestMetricsServiceClient client;
- TestingPrefServiceSimple prefs;
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- // Create buckets: 1-5.
- base::BucketRanges ranges(2);
- ranges.set_range(0, 1);
- ranges.set_range(1, 5);
- // Add two samples.
- base::SampleVector samples(1, &ranges);
- samples.Accumulate(3, 2);
- log.RecordHistogramDelta(histogram_name, samples);
- EXPECT_EQ(2, log.log_metadata().samples_count.value());
- // Add two more samples.
- log.RecordHistogramDelta(histogram_name, samples);
- EXPECT_EQ(4, log.log_metadata().samples_count.value());
- }
- TEST_F(MetricsLogTest, RecordEnvironment) {
- TestMetricsServiceClient client;
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- DelegatingProvider delegating_provider;
- auto cpu_provider = std::make_unique<metrics::CPUMetricsProvider>();
- delegating_provider.RegisterMetricsProvider(std::move(cpu_provider));
- log.RecordEnvironment(&delegating_provider);
- // Check non-system profile values.
- EXPECT_EQ(MetricsLog::Hash(kClientId), log.uma_proto().client_id());
- EXPECT_EQ(kSessionId, log.uma_proto().session_id());
- // Check that the system profile on the log has the correct values set.
- CheckSystemProfile(log.system_profile());
- // Call RecordEnvironment() again and verify things are are still filled in.
- log.RecordEnvironment(&delegating_provider);
- // Check non-system profile values.
- EXPECT_EQ(MetricsLog::Hash(kClientId), log.uma_proto().client_id());
- EXPECT_EQ(kSessionId, log.uma_proto().session_id());
- // Check that the system profile on the log has the correct values set.
- CheckSystemProfile(log.system_profile());
- }
- TEST_F(MetricsLogTest, RecordEnvironmentExtendedStable) {
- TestMetricsServiceClient client;
- client.set_is_extended_stable_channel(true);
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- DelegatingProvider delegating_provider;
- auto cpu_provider = std::make_unique<metrics::CPUMetricsProvider>();
- delegating_provider.RegisterMetricsProvider(std::move(cpu_provider));
- log.RecordEnvironment(&delegating_provider);
- EXPECT_TRUE(log.system_profile().has_is_extended_stable_channel());
- EXPECT_TRUE(log.system_profile().is_extended_stable_channel());
- }
- TEST_F(MetricsLogTest, RecordEnvironmentEnableDefault) {
- TestMetricsServiceClient client;
- TestMetricsLog log_unknown(kClientId, kSessionId, MetricsLog::ONGOING_LOG,
- &client);
- DelegatingProvider delegating_provider;
- log_unknown.RecordEnvironment(&delegating_provider);
- EXPECT_FALSE(log_unknown.system_profile().has_uma_default_state());
- client.set_enable_default(EnableMetricsDefault::OPT_IN);
- TestMetricsLog log_opt_in(kClientId, kSessionId, MetricsLog::ONGOING_LOG,
- &client);
- log_opt_in.RecordEnvironment(&delegating_provider);
- EXPECT_TRUE(log_opt_in.system_profile().has_uma_default_state());
- EXPECT_EQ(SystemProfileProto_UmaDefaultState_OPT_IN,
- log_opt_in.system_profile().uma_default_state());
- client.set_enable_default(EnableMetricsDefault::OPT_OUT);
- TestMetricsLog log_opt_out(kClientId, kSessionId, MetricsLog::ONGOING_LOG,
- &client);
- log_opt_out.RecordEnvironment(&delegating_provider);
- EXPECT_TRUE(log_opt_out.system_profile().has_uma_default_state());
- EXPECT_EQ(SystemProfileProto_UmaDefaultState_OPT_OUT,
- log_opt_out.system_profile().uma_default_state());
- client.set_reporting_is_managed(true);
- TestMetricsLog log_managed(kClientId, kSessionId, MetricsLog::ONGOING_LOG,
- &client);
- log_managed.RecordEnvironment(&delegating_provider);
- EXPECT_TRUE(log_managed.system_profile().has_uma_default_state());
- EXPECT_EQ(SystemProfileProto_UmaDefaultState_POLICY_FORCED_ENABLED,
- log_managed.system_profile().uma_default_state());
- }
- TEST_F(MetricsLogTest, InitialLogStabilityMetrics) {
- TestMetricsServiceClient client;
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::INITIAL_STABILITY_LOG,
- &client);
- TestMetricsProvider* test_provider = new TestMetricsProvider();
- DelegatingProvider delegating_provider;
- delegating_provider.RegisterMetricsProvider(
- base::WrapUnique<MetricsProvider>(test_provider));
- log.RecordEnvironment(&delegating_provider);
- TestingPrefServiceSimple prefs;
- log.RecordPreviousSessionData(&delegating_provider, &prefs);
- // The test provider should have been called upon to provide initial
- // stability and regular stability metrics.
- EXPECT_TRUE(test_provider->provide_initial_stability_metrics_called());
- EXPECT_TRUE(test_provider->provide_stability_metrics_called());
- }
- TEST_F(MetricsLogTest, OngoingLogStabilityMetrics) {
- TestMetricsServiceClient client;
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- TestMetricsProvider* test_provider = new TestMetricsProvider();
- DelegatingProvider delegating_provider;
- delegating_provider.RegisterMetricsProvider(
- base::WrapUnique<MetricsProvider>(test_provider));
- log.RecordEnvironment(&delegating_provider);
- TestingPrefServiceSimple prefs;
- log.RecordCurrentSessionData(base::TimeDelta(), base::TimeDelta(),
- &delegating_provider, &prefs);
- // The test provider should have been called upon to provide regular but not
- // initial stability metrics.
- EXPECT_FALSE(test_provider->provide_initial_stability_metrics_called());
- EXPECT_TRUE(test_provider->provide_stability_metrics_called());
- }
- TEST_F(MetricsLogTest, ChromeChannelWrittenToProtobuf) {
- TestMetricsServiceClient client;
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- EXPECT_TRUE(log.uma_proto().system_profile().has_channel());
- }
- TEST_F(MetricsLogTest, ProductNotSetIfDefault) {
- TestMetricsServiceClient client;
- EXPECT_EQ(ChromeUserMetricsExtension::CHROME, client.GetProduct());
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- // Check that the product isn't set, since it's default and also verify the
- // default value is indeed equal to Chrome.
- EXPECT_FALSE(log.uma_proto().has_product());
- EXPECT_EQ(ChromeUserMetricsExtension::CHROME, log.uma_proto().product());
- }
- TEST_F(MetricsLogTest, ProductSetIfNotDefault) {
- const int32_t kTestProduct = 100;
- EXPECT_NE(ChromeUserMetricsExtension::CHROME, kTestProduct);
- TestMetricsServiceClient client;
- client.set_product(kTestProduct);
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- // Check that the product is set to |kTestProduct|.
- EXPECT_TRUE(log.uma_proto().has_product());
- EXPECT_EQ(kTestProduct, log.uma_proto().product());
- }
- TEST_F(MetricsLogTest, TruncateEvents) {
- TestMetricsServiceClient client;
- TestMetricsLog log(kClientId, kSessionId, MetricsLog::ONGOING_LOG, &client);
- for (int i = 0; i < internal::kUserActionEventLimit * 2; ++i) {
- log.RecordUserAction("BasicAction", base::TimeTicks::Now());
- EXPECT_EQ(i + 1, log.uma_proto().user_action_event_size());
- }
- for (int i = 0; i < internal::kOmniboxEventLimit * 2; ++i) {
- // Add an empty omnibox event. Not fully realistic since these are normally
- // supplied by a metrics provider.
- log.mutable_uma_proto()->add_omnibox_event();
- EXPECT_EQ(i + 1, log.uma_proto().omnibox_event_size());
- }
- // Truncate, and check that the current size is the limit.
- log.TruncateEvents();
- EXPECT_EQ(internal::kUserActionEventLimit,
- log.uma_proto().user_action_event_size());
- EXPECT_EQ(internal::kOmniboxEventLimit, log.uma_proto().omnibox_event_size());
- }
- TEST_F(MetricsLogTest, ToInstallerPackage) {
- using internal::ToInstallerPackage;
- EXPECT_EQ(SystemProfileProto::INSTALLER_PACKAGE_NONE, ToInstallerPackage(""));
- EXPECT_EQ(SystemProfileProto::INSTALLER_PACKAGE_GOOGLE_PLAY_STORE,
- ToInstallerPackage("com.android.vending"));
- EXPECT_EQ(SystemProfileProto::INSTALLER_PACKAGE_OTHER,
- ToInstallerPackage("foo"));
- }
- } // namespace metrics
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