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// Copyright (c) 2012 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 "chromeos/power/power_state_override.h"
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "chromeos/dbus/mock_power_manager_client.h"
#include "chromeos/dbus/mock_dbus_thread_manager.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::Mock;
using ::testing::SaveArg;
namespace chromeos {
class PowerStateOverrideTest : public testing::Test {
protected:
PowerStateOverrideTest() : dbus_thread_manager_shut_down_(false) {}
virtual ~PowerStateOverrideTest() {}
virtual void SetUp() {
MockDBusThreadManager* dbus_manager = new MockDBusThreadManager;
DBusThreadManager::InitializeForTesting(dbus_manager);
power_manager_client_ = dbus_manager->mock_power_manager_client();
}
virtual void TearDown() {
if (!dbus_thread_manager_shut_down_)
DBusThreadManager::Shutdown();
}
protected:
// Shuts down the DBusThreadManager prematurely.
void ShutDownDBusThreadManager() {
DBusThreadManager::Shutdown();
dbus_thread_manager_shut_down_ = true;
}
// Needed for PowerStateOverride's timer.
MessageLoop message_loop_;
MockPowerManagerClient* power_manager_client_; // not owned
// Has the singleton DBusThreadManager already been manually shut down?
bool dbus_thread_manager_shut_down_;
};
TEST_F(PowerStateOverrideTest, AddAndRemoveOverrides) {
// An arbitrary ID to return in response to a request with ID 0.
const uint32 kRequestId = 10;
// Override bitmaps corresponding to different modes.
const uint32 kDisplayOverrides =
PowerManagerClient::DISABLE_IDLE_DIM |
PowerManagerClient::DISABLE_IDLE_BLANK |
PowerManagerClient::DISABLE_IDLE_SUSPEND |
PowerManagerClient::DISABLE_IDLE_LID_SUSPEND;
const uint32 kSystemOverrides =
PowerManagerClient::DISABLE_IDLE_SUSPEND |
PowerManagerClient::DISABLE_IDLE_LID_SUSPEND;
// Block display sleep and pass a request ID to the callback.
chromeos::PowerStateRequestIdCallback request_id_callback;
EXPECT_CALL(*power_manager_client_,
RequestPowerStateOverrides(0, _, kDisplayOverrides, _))
.WillOnce(SaveArg<3>(&request_id_callback));
scoped_refptr<PowerStateOverride> override(
new PowerStateOverride(PowerStateOverride::BLOCK_DISPLAY_SLEEP));
// Make sure our PostTask to the request power state overrides runs.
message_loop_.RunUntilIdle();
request_id_callback.Run(kRequestId);
// The request should be canceled when the PowerStateOverride is destroyed.
EXPECT_CALL(*power_manager_client_, CancelPowerStateOverrides(kRequestId));
override = NULL;
// Now send a request to just block the system from suspending.
EXPECT_CALL(*power_manager_client_,
RequestPowerStateOverrides(0, _, kSystemOverrides, _))
.WillOnce(SaveArg<3>(&request_id_callback));
override = new PowerStateOverride(PowerStateOverride::BLOCK_SYSTEM_SUSPEND);
// Make sure our PostTask to the request power state overrides runs.
message_loop_.RunUntilIdle();
request_id_callback.Run(kRequestId);
EXPECT_CALL(*power_manager_client_, CancelPowerStateOverrides(kRequestId));
override = NULL;
}
TEST_F(PowerStateOverrideTest, DBusThreadManagerShutDown) {
const uint32 kRequestId = 10;
chromeos::PowerStateRequestIdCallback request_id_callback;
EXPECT_CALL(*power_manager_client_, RequestPowerStateOverrides(0, _, _, _))
.WillOnce(SaveArg<3>(&request_id_callback));
scoped_refptr<PowerStateOverride> override(
new PowerStateOverride(PowerStateOverride::BLOCK_DISPLAY_SLEEP));
// Make sure our PostTask to the request power state overrides runs.
message_loop_.RunUntilIdle();
request_id_callback.Run(kRequestId);
// When the DBusThreadManager is about to be shut down, PowerStateOverride
// should cancel its request.
EXPECT_CALL(*power_manager_client_, CancelPowerStateOverrides(kRequestId));
ShutDownDBusThreadManager();
}
} // namespace chromeos
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