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- // 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
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