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// Copyright 2018 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 "services/audio/service_metrics.h"
#include <memory>
#include "base/metrics/histogram_macros.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/simple_test_tick_clock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace audio {
TEST(AudioServiceMetricsTest, CreateDestroy_LogsUptime) {
base::SimpleTestTickClock test_clock;
test_clock.SetNowTicks(base::TimeTicks::Now());
base::HistogramTester histogram_tester;
std::unique_ptr<ServiceMetrics> metrics =
std::make_unique<ServiceMetrics>(&test_clock);
test_clock.Advance(base::TimeDelta::FromDays(6));
metrics.reset();
}
TEST(AudioServiceMetricsTest, AddRemoveConnection_LogsHasConnectionDuration) {
base::SimpleTestTickClock test_clock;
test_clock.SetNowTicks(base::TimeTicks::Now());
base::HistogramTester histogram_tester;
ServiceMetrics metrics(&test_clock);
metrics.HasConnections();
test_clock.Advance(base::TimeDelta::FromMinutes(42));
metrics.HasNoConnections();
histogram_tester.ExpectTimeBucketCount(
"Media.AudioService.HasConnectionsDuration",
base::TimeDelta::FromMinutes(42), 1);
histogram_tester.ExpectTotalCount("Media.AudioService.HasConnectionsDuration",
1);
}
TEST(AudioServiceMetricsTest, RemoveAddConnection_LogsHasNoConnectionDuration) {
base::SimpleTestTickClock test_clock;
test_clock.SetNowTicks(base::TimeTicks::Now());
base::HistogramTester histogram_tester;
ServiceMetrics metrics(&test_clock);
metrics.HasConnections();
test_clock.Advance(base::TimeDelta::FromMinutes(5));
metrics.HasNoConnections();
test_clock.Advance(base::TimeDelta::FromMilliseconds(10));
metrics.HasConnections();
histogram_tester.ExpectTimeBucketCount(
"Media.AudioService.HasNoConnectionsDuration",
base::TimeDelta::FromMilliseconds(10), 1);
histogram_tester.ExpectTotalCount(
"Media.AudioService.HasNoConnectionsDuration", 1);
}
} // namespace audio
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