battery_metrics_browsertest.cc | Explore in Territory

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <utility>

#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/run_loop.h"
#include "base/test/metrics/histogram_tester.h"
#include "build/build_config.h"
#include "chrome/browser/battery/battery_metrics.h"
#include "chrome/browser/browser_process.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "components/metrics/content/subprocess_metrics_provider.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "services/device/public/mojom/battery_monitor.mojom.h"
#include "services/device/public/mojom/battery_status.mojom.h"

namespace {

// Retries fetching |histogram_name| until it contains at least |count| samples.
void RetryForHistogramBucketUntilCountReached(
    base::HistogramTester* histogram_tester,
    const std::string& histogram_name,
    base::HistogramBase::Sample target_bucket,
    size_t count) { … }

// Replaces the platform specific implementation of BatteryMonitor.
class MockBatteryMonitor : public device::mojom::BatteryMonitor { … };

// Test that the metricss around battery usage are recorded correctly.
class BatteryMetricsBrowserTest : public InProcessBrowserTest { … };

IN_PROC_BROWSER_TEST_F(BatteryMetricsBrowserTest, BatteryDropUMA) { … }

}  // namespace
chromium/chrome/browser/battery/battery_metrics_browsertest.cc
