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// Copyright (c) 2010 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/env_var.h"
#include "base/basictypes.h"
#include "base/waitable_event.h"
#include "media/audio/audio_controller.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::AtLeast;
using ::testing::Exactly;
using ::testing::InvokeWithoutArgs;
using ::testing::NotNull;
namespace media {
class MockAudioControllerEventHandler : public AudioController::EventHandler {
public:
MockAudioControllerEventHandler() {}
MOCK_METHOD1(OnCreated, void(AudioController* controller));
MOCK_METHOD1(OnPlaying, void(AudioController* controller));
MOCK_METHOD1(OnPaused, void(AudioController* controller));
MOCK_METHOD2(OnError, void(AudioController* controller, int error_code));
MOCK_METHOD3(OnMoreData,
void(AudioController* controller,
base::Time timestamp, uint32 pending_bytes));
private:
DISALLOW_COPY_AND_ASSIGN(MockAudioControllerEventHandler);
};
class MockAudioControllerSyncReader : public AudioController::SyncReader {
public:
MockAudioControllerSyncReader() {}
MOCK_METHOD1(UpdatePendingBytes, void(uint32 bytes));
MOCK_METHOD2(Read, uint32(void* data, uint32 size));
MOCK_METHOD0(Close, void());
private:
DISALLOW_COPY_AND_ASSIGN(MockAudioControllerSyncReader);
};
static bool HasAudioDevices() {
AudioManager* audio_man = AudioManager::GetAudioManager();
CHECK(audio_man);
return audio_man->HasAudioDevices();
}
static bool IsRunningHeadless() {
scoped_ptr<base::EnvVarGetter> env(base::EnvVarGetter::Create());
if (env->HasEnv("CHROME_HEADLESS"))
return true;
return false;
}
ACTION_P3(SignalEvent, event, count, limit) {
if (++*count >= limit) {
event->Signal();
}
}
TEST(AudioControllerTest, PlayAndClose) {
if (!HasAudioDevices() || IsRunningHeadless())
return;
MockAudioControllerEventHandler event_handler;
base::WaitableEvent event(false, false);
int count = 0;
// If OnCreated is called then signal the event.
EXPECT_CALL(event_handler, OnCreated(NotNull()))
.WillOnce(InvokeWithoutArgs(&event, &base::WaitableEvent::Signal));
// OnPlaying() will be called only once.
EXPECT_CALL(event_handler, OnPlaying(NotNull()))
.Times(Exactly(1));
// If OnMoreData is called enough then signal the event.
EXPECT_CALL(event_handler, OnMoreData(NotNull(), _, 0))
.Times(AtLeast(10))
.WillRepeatedly(SignalEvent(&event, &count, 10));
scoped_refptr<AudioController> controller = AudioController::Create(
&event_handler, AudioManager::AUDIO_PCM_LINEAR, 1,
AudioManager::kAudioCDSampleRate, 16, 4096);
ASSERT_TRUE(controller.get());
// Wait for OnCreated() to be called.
event.Wait();
event.Reset();
// Play and then wait for the event to be signaled.
controller->Play();
event.Wait();
// Now stop the controller. This should shutdown the internal
// thread and we hold the only reference to it.
controller->Close();
// TODO(hclam): Make sure releasing the reference to this
// object actually destruct it.
controller = NULL;
}
TEST(AudioControllerTest, PlayPauseClose) {
if (!HasAudioDevices() || IsRunningHeadless())
return;
MockAudioControllerEventHandler event_handler;
base::WaitableEvent event(false, false);
int count = 0;
// If OnCreated is called then signal the event.
EXPECT_CALL(event_handler, OnCreated(NotNull()))
.Times(Exactly(1))
.WillOnce(InvokeWithoutArgs(&event, &base::WaitableEvent::Signal));
// OnPlaying() will be called only once.
EXPECT_CALL(event_handler, OnPlaying(NotNull()))
.Times(Exactly(1));
// If OnMoreData is called enough then signal the event.
EXPECT_CALL(event_handler, OnMoreData(NotNull(), _, 0))
.Times(AtLeast(10))
.WillRepeatedly(SignalEvent(&event, &count, 10));
// And then OnPaused() will be called.
EXPECT_CALL(event_handler, OnPaused(NotNull()))
.Times(Exactly(1))
.WillOnce(InvokeWithoutArgs(&event, &base::WaitableEvent::Signal));
scoped_refptr<AudioController> controller = AudioController::Create(
&event_handler, AudioManager::AUDIO_PCM_LINEAR, 1,
AudioManager::kAudioCDSampleRate, 16, 4096);
ASSERT_TRUE(controller.get());
// Wait for OnCreated() to be called.
event.Wait();
event.Reset();
// Play and then wait for the event to be signaled.
controller->Play();
event.Wait();
event.Reset();
// And then wait for pause to complete.
controller->Pause();
event.Wait();
// Now stop the controller. This should shutdown the internal
// thread and we hold the only reference to it.
controller->Close();
// TODO(hclam): Make sure releasing the reference to this
// object actually destruct it.
controller = NULL;
}
} // namespace media
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