47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
// Copyright 2020 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "components/metrics/entropy_state_provider.h"
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#include "components/metrics/metrics_pref_names.h"
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#include "components/metrics/metrics_service.h"
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#include "components/prefs/testing_pref_service.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "third_party/metrics_proto/system_profile.pb.h"
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namespace metrics {
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class EntropyStateProviderTest : public testing::Test {
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public:
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EntropyStateProviderTest() {
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MetricsService::RegisterPrefs(prefs_.registry());
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}
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EntropyStateProviderTest(const EntropyStateProviderTest&) = delete;
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EntropyStateProviderTest& operator=(const EntropyStateProviderTest&) = delete;
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protected:
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TestingPrefServiceSimple prefs_;
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};
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TEST_F(EntropyStateProviderTest, PopulateAllLowEntropySources) {
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const int new_low_source = 1234;
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const int old_low_source = 5678;
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const int pseudo_low_source = 4321;
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prefs_.SetInteger(prefs::kMetricsLowEntropySource, new_low_source);
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prefs_.SetInteger(prefs::kMetricsOldLowEntropySource, old_low_source);
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prefs_.SetInteger(prefs::kMetricsPseudoLowEntropySource, pseudo_low_source);
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EntropyStateProvider provider(&prefs_);
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SystemProfileProto system_profile;
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provider.ProvideSystemProfileMetrics(&system_profile);
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EXPECT_EQ(new_low_source, system_profile.low_entropy_source());
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EXPECT_EQ(old_low_source, system_profile.old_low_entropy_source());
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EXPECT_EQ(pseudo_low_source, system_profile.pseudo_low_entropy_source());
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}
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} // namespace metrics
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