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// Copyright 2020 The Chromium Authors
// 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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