entropy_state_provider_unittest.cc 1.6 KB

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  1. // Copyright 2020 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 "components/metrics/entropy_state_provider.h"
  5. #include "components/metrics/metrics_pref_names.h"
  6. #include "components/metrics/metrics_service.h"
  7. #include "components/prefs/testing_pref_service.h"
  8. #include "testing/gtest/include/gtest/gtest.h"
  9. #include "third_party/metrics_proto/system_profile.pb.h"
  10. namespace metrics {
  11. class EntropyStateProviderTest : public testing::Test {
  12. public:
  13. EntropyStateProviderTest() {
  14. MetricsService::RegisterPrefs(prefs_.registry());
  15. }
  16. EntropyStateProviderTest(const EntropyStateProviderTest&) = delete;
  17. EntropyStateProviderTest& operator=(const EntropyStateProviderTest&) = delete;
  18. protected:
  19. TestingPrefServiceSimple prefs_;
  20. };
  21. TEST_F(EntropyStateProviderTest, PopulateAllLowEntropySources) {
  22. const int new_low_source = 1234;
  23. const int old_low_source = 5678;
  24. const int pseudo_low_source = 4321;
  25. prefs_.SetInteger(prefs::kMetricsLowEntropySource, new_low_source);
  26. prefs_.SetInteger(prefs::kMetricsOldLowEntropySource, old_low_source);
  27. prefs_.SetInteger(prefs::kMetricsPseudoLowEntropySource, pseudo_low_source);
  28. EntropyStateProvider provider(&prefs_);
  29. SystemProfileProto system_profile;
  30. provider.ProvideSystemProfileMetrics(&system_profile);
  31. EXPECT_EQ(new_low_source, system_profile.low_entropy_source());
  32. EXPECT_EQ(old_low_source, system_profile.old_low_entropy_source());
  33. EXPECT_EQ(pseudo_low_source, system_profile.pseudo_low_entropy_source());
  34. }
  35. } // namespace metrics