// Copyright 2020 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/entropy_state_provider.h" #include "components/metrics/metrics_pref_names.h" #include "components/metrics/metrics_service.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 EntropyStateProviderTest : public testing::Test { public: EntropyStateProviderTest() { MetricsService::RegisterPrefs(prefs_.registry()); } EntropyStateProviderTest(const EntropyStateProviderTest&) = delete; EntropyStateProviderTest& operator=(const EntropyStateProviderTest&) = delete; protected: TestingPrefServiceSimple prefs_; }; TEST_F(EntropyStateProviderTest, PopulateAllLowEntropySources) { const int new_low_source = 1234; const int old_low_source = 5678; const int pseudo_low_source = 4321; prefs_.SetInteger(prefs::kMetricsLowEntropySource, new_low_source); prefs_.SetInteger(prefs::kMetricsOldLowEntropySource, old_low_source); prefs_.SetInteger(prefs::kMetricsPseudoLowEntropySource, pseudo_low_source); EntropyStateProvider provider(&prefs_); SystemProfileProto system_profile; provider.ProvideSystemProfileMetrics(&system_profile); EXPECT_EQ(new_low_source, system_profile.low_entropy_source()); EXPECT_EQ(old_low_source, system_profile.old_low_entropy_source()); EXPECT_EQ(pseudo_low_source, system_profile.pseudo_low_entropy_source()); } } // namespace metrics