[DeviceService] Move PowerMonitor interfaces, client lib, impl to live in Device Service

device/power_monitor/power_monitor_message_broadcaster_unittest.cc

-// Copyright 2013 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 "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/test/power_monitor_test_base.h"
-#include "device/power_monitor/power_monitor_message_broadcaster.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace device {
-
-class FakePowerMonitorClient : public device::mojom::PowerMonitorClient {
- public:
-  FakePowerMonitorClient(device::mojom::PowerMonitorClientRequest request)
-      : binding_(this, std::move(request)),
-        power_state_changes_(0),
-        suspends_(0),
-        resumes_(0) {}
-  ~FakePowerMonitorClient() override {}
-
-  // Implement device::mojom::PowerMonitorClient
-  void PowerStateChange(bool on_battery_power) override {
-    power_state_changes_++;
-  }
-  void Suspend() override { suspends_++; }
-  void Resume() override { resumes_++; }
-
-  // Test status counts.
-  int power_state_changes() { return power_state_changes_; }
-  int suspends() { return suspends_; }
-  int resumes() { return resumes_; }
-
- private:
-  mojo::Binding<device::mojom::PowerMonitorClient> binding_;
-  int power_state_changes_;  // Count of OnPowerStateChange notifications.
-  int suspends_;             // Count of OnSuspend notifications.
-  int resumes_;              // Count of OnResume notifications.
-};
-
-class PowerMonitorMessageBroadcasterTest : public testing::Test {
- protected:
-  PowerMonitorMessageBroadcasterTest() {
-    power_monitor_source_ = new base::PowerMonitorTestSource();
-    power_monitor_.reset(new base::PowerMonitor(
-        std::unique_ptr<base::PowerMonitorSource>(power_monitor_source_)));
-  }
-  ~PowerMonitorMessageBroadcasterTest() override {}
-
-  base::PowerMonitorTestSource* source() { return power_monitor_source_; }
-  base::PowerMonitor* monitor() { return power_monitor_.get(); }
-
- private:
-  base::MessageLoop message_loop_;
-  base::PowerMonitorTestSource* power_monitor_source_;
-  std::unique_ptr<base::PowerMonitor> power_monitor_;
-
-  DISALLOW_COPY_AND_ASSIGN(PowerMonitorMessageBroadcasterTest);
-};
-
-TEST_F(PowerMonitorMessageBroadcasterTest, PowerMessageBroadcast) {
-  device::mojom::PowerMonitorClientPtr proxy;
-  FakePowerMonitorClient client(mojo::MakeRequest(&proxy));
-  PowerMonitorMessageBroadcaster broadcaster;
-
-  // Calling SetClient should invoke a power state change.
-  broadcaster.SetClient(std::move(proxy));
-
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(client.power_state_changes(), 1);
-
-  // Sending resume when not suspended should have no effect.
-  source()->GenerateResumeEvent();
-  EXPECT_EQ(client.resumes(), 0);
-
-  // Pretend we suspended.
-  source()->GenerateSuspendEvent();
-  EXPECT_EQ(client.suspends(), 1);
-
-  // Send a second suspend notification.  This should be suppressed.
-  source()->GenerateSuspendEvent();
-  EXPECT_EQ(client.suspends(), 1);
-
-  // Pretend we were awakened.
-  source()->GenerateResumeEvent();
-  EXPECT_EQ(client.resumes(), 1);
-
-  // Send a duplicate resume notification.  This should be suppressed.
-  source()->GenerateResumeEvent();
-  EXPECT_EQ(client.resumes(), 1);
-
-  // Pretend the device has gone on battery power
-  source()->GeneratePowerStateEvent(true);
-  EXPECT_EQ(client.power_state_changes(), 2);
-
-  // Repeated indications the device is on battery power should be suppressed.
-  source()->GeneratePowerStateEvent(true);
-  EXPECT_EQ(client.power_state_changes(), 2);
-
-  // Pretend the device has gone off battery power
-  source()->GeneratePowerStateEvent(false);
-  EXPECT_EQ(client.power_state_changes(), 3);
-
-  // Repeated indications the device is off battery power should be suppressed.
-  source()->GeneratePowerStateEvent(false);
-  EXPECT_EQ(client.power_state_changes(), 3);
-}
-
-}  // namespace device