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// 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/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/synchronization/waitable_event.h"
#include "media/audio/audio_io.h"
#include "media/audio/audio_manager.h"
#include "media/audio/mock_audio_source_callback.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::DoAll;
using testing::Return;
// TODO(crogers): Most of these tests can be made platform agnostic.
// http://crbug.com/223242
namespace media {
ACTION(ZeroBuffer) {
arg0->Zero();
}
ACTION_P(SignalEvent, event) {
event->Signal();
}
class AUHALStreamTest : public testing::Test {
public:
AUHALStreamTest()
: message_loop_(base::MessageLoop::TYPE_UI),
manager_(AudioManager::CreateForTesting()) {
// Wait for the AudioManager to finish any initialization on the audio loop.
base::RunLoop().RunUntilIdle();
}
virtual ~AUHALStreamTest() {
base::RunLoop().RunUntilIdle();
}
AudioOutputStream* Create() {
return manager_->MakeAudioOutputStream(
manager_->GetDefaultOutputStreamParameters(), "");
}
bool CanRunAudioTests() {
return manager_->HasAudioOutputDevices();
}
protected:
base::MessageLoop message_loop_;
scoped_ptr<AudioManager> manager_;
MockAudioSourceCallback source_;
private:
DISALLOW_COPY_AND_ASSIGN(AUHALStreamTest);
};
TEST_F(AUHALStreamTest, HardwareSampleRate) {
if (!CanRunAudioTests())
return;
const AudioParameters preferred_params =
manager_->GetDefaultOutputStreamParameters();
EXPECT_GE(preferred_params.sample_rate(), 16000);
EXPECT_LE(preferred_params.sample_rate(), 192000);
}
TEST_F(AUHALStreamTest, CreateClose) {
if (!CanRunAudioTests())
return;
Create()->Close();
}
TEST_F(AUHALStreamTest, CreateOpenClose) {
if (!CanRunAudioTests())
return;
AudioOutputStream* stream = Create();
EXPECT_TRUE(stream->Open());
stream->Close();
}
TEST_F(AUHALStreamTest, CreateOpenStartStopClose) {
if (!CanRunAudioTests())
return;
AudioOutputStream* stream = Create();
EXPECT_TRUE(stream->Open());
// Wait for the first data callback from the OS.
base::WaitableEvent event(false, false);
EXPECT_CALL(source_, OnMoreData(_, _))
.WillOnce(DoAll(ZeroBuffer(), SignalEvent(&event), Return(0)));
EXPECT_CALL(source_, OnError(_)).Times(0);
stream->Start(&source_);
event.Wait();
stream->Stop();
stream->Close();
}
} // namespace media
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