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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 <vector>
#include "ash/ash_switches.h"
#include "base/command_line.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/ui/ash/volume_controller_chromeos.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chromeos/audio/chromeos_sounds.h"
#include "chromeos/audio/cras_audio_handler.h"
#include "chromeos/chromeos_switches.h"
#include "media/audio/sounds/sounds_manager.h"
#include "ui/base/accelerators/accelerator.h"
namespace {
class SoundsManagerTestImpl : public media::SoundsManager {
public:
SoundsManagerTestImpl()
: is_sound_initialized_(chromeos::SOUND_COUNT),
num_play_requests_(chromeos::SOUND_COUNT) {
}
virtual ~SoundsManagerTestImpl() {}
virtual bool Initialize(SoundKey key,
const base::StringPiece& /* data */) OVERRIDE {
is_sound_initialized_[key] = true;
return true;
}
virtual bool Play(SoundKey key) OVERRIDE {
++num_play_requests_[key];
return true;
}
virtual base::TimeDelta GetDuration(SoundKey /* key */) OVERRIDE {
return base::TimeDelta();
}
bool is_sound_initialized(SoundKey key) const {
return is_sound_initialized_[key];
}
int num_play_requests(SoundKey key) const {
return num_play_requests_[key];
}
private:
std::vector<bool> is_sound_initialized_;
std::vector<int> num_play_requests_;
DISALLOW_COPY_AND_ASSIGN(SoundsManagerTestImpl);
};
class VolumeControllerTest : public InProcessBrowserTest {
public:
VolumeControllerTest() {}
virtual ~VolumeControllerTest() {}
virtual void SetUpOnMainThread() OVERRIDE {
volume_controller_.reset(new VolumeController());
audio_handler_ = chromeos::CrasAudioHandler::Get();
}
protected:
void VolumeMute() {
volume_controller_->HandleVolumeMute(ui::Accelerator());
}
void VolumeUp() {
volume_controller_->HandleVolumeUp(ui::Accelerator());
}
void VolumeDown() {
volume_controller_->HandleVolumeDown(ui::Accelerator());
}
chromeos::CrasAudioHandler* audio_handler_; // Not owned.
private:
scoped_ptr<VolumeController> volume_controller_;
DISALLOW_COPY_AND_ASSIGN(VolumeControllerTest);
};
IN_PROC_BROWSER_TEST_F(VolumeControllerTest, VolumeUpAndDown) {
// Set initial value as 50%
const int kInitVolume = 50;
audio_handler_->SetOutputVolumePercent(kInitVolume);
EXPECT_EQ(audio_handler_->GetOutputVolumePercent(), kInitVolume);
VolumeUp();
EXPECT_LT(kInitVolume, audio_handler_->GetOutputVolumePercent());
VolumeDown();
EXPECT_EQ(kInitVolume, audio_handler_->GetOutputVolumePercent());
VolumeDown();
EXPECT_GT(kInitVolume, audio_handler_->GetOutputVolumePercent());
}
IN_PROC_BROWSER_TEST_F(VolumeControllerTest, VolumeDownToZero) {
// Setting to very small volume.
audio_handler_->SetOutputVolumePercent(1);
VolumeDown();
EXPECT_EQ(0, audio_handler_->GetOutputVolumePercent());
VolumeDown();
EXPECT_EQ(0, audio_handler_->GetOutputVolumePercent());
VolumeUp();
EXPECT_LT(0, audio_handler_->GetOutputVolumePercent());
}
IN_PROC_BROWSER_TEST_F(VolumeControllerTest, VolumeUpTo100) {
// Setting to almost max
audio_handler_->SetOutputVolumePercent(99);
VolumeUp();
EXPECT_EQ(100, audio_handler_->GetOutputVolumePercent());
VolumeUp();
EXPECT_EQ(100, audio_handler_->GetOutputVolumePercent());
VolumeDown();
EXPECT_GT(100, audio_handler_->GetOutputVolumePercent());
}
IN_PROC_BROWSER_TEST_F(VolumeControllerTest, Mutes) {
ASSERT_FALSE(audio_handler_->IsOutputMuted());
const int initial_volume = audio_handler_->GetOutputVolumePercent();
VolumeMute();
EXPECT_TRUE(audio_handler_->IsOutputMuted());
// Further mute buttons doesn't have effects.
VolumeMute();
EXPECT_TRUE(audio_handler_->IsOutputMuted());
// Right after the volume up after set_mute recovers to original volume.
VolumeUp();
EXPECT_FALSE(audio_handler_->IsOutputMuted());
EXPECT_EQ(initial_volume, audio_handler_->GetOutputVolumePercent());
VolumeMute();
// After the volume down, the volume goes down to zero explicitly.
VolumeDown();
EXPECT_TRUE(audio_handler_->IsOutputMuted());
EXPECT_EQ(0, audio_handler_->GetOutputVolumePercent());
// Thus, further VolumeUp doesn't recover the volume, it's just slightly
// bigger than 0.
VolumeUp();
EXPECT_LT(0, audio_handler_->GetOutputVolumePercent());
EXPECT_GT(initial_volume, audio_handler_->GetOutputVolumePercent());
}
class VolumeControllerSoundsTest : public VolumeControllerTest {
public:
VolumeControllerSoundsTest() : sounds_manager_(NULL) {}
virtual ~VolumeControllerSoundsTest() {}
virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
sounds_manager_ = new SoundsManagerTestImpl();
media::SoundsManager::InitializeForTesting(sounds_manager_);
}
virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
VolumeControllerTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(ash::switches::kAshEnableSystemSounds);
}
bool is_sound_initialized() const {
return sounds_manager_->is_sound_initialized(
chromeos::SOUND_VOLUME_ADJUST);
}
int num_play_requests() const {
return sounds_manager_->num_play_requests(chromeos::SOUND_VOLUME_ADJUST);
}
private:
SoundsManagerTestImpl* sounds_manager_;
DISALLOW_COPY_AND_ASSIGN(VolumeControllerSoundsTest);
};
IN_PROC_BROWSER_TEST_F(VolumeControllerSoundsTest, VolumeAdjustSounds) {
EXPECT_TRUE(is_sound_initialized());
// Check that sound is played on volume up and volume down.
audio_handler_->SetOutputVolumePercent(50);
VolumeUp();
EXPECT_EQ(1, num_play_requests());
VolumeDown();
EXPECT_EQ(2, num_play_requests());
audio_handler_->SetOutputVolumePercent(99);
VolumeUp();
EXPECT_EQ(3, num_play_requests());
audio_handler_->SetOutputVolumePercent(100);
VolumeUp();
EXPECT_EQ(3, num_play_requests());
// Check that sound isn't played when audio is muted.
audio_handler_->SetOutputVolumePercent(50);
VolumeMute();
VolumeDown();
ASSERT_TRUE(audio_handler_->IsOutputMuted());
EXPECT_EQ(3, num_play_requests());
// Check that audio is unmuted and sound is played.
VolumeUp();
ASSERT_FALSE(audio_handler_->IsOutputMuted());
EXPECT_EQ(4, num_play_requests());
}
class VolumeControllerSoundsDisabledTest : public VolumeControllerSoundsTest {
public:
VolumeControllerSoundsDisabledTest() {}
virtual ~VolumeControllerSoundsDisabledTest() {}
virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
VolumeControllerSoundsTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(chromeos::switches::kDisableVolumeAdjustSound);
}
private:
DISALLOW_COPY_AND_ASSIGN(VolumeControllerSoundsDisabledTest);
};
IN_PROC_BROWSER_TEST_F(VolumeControllerSoundsDisabledTest,
VolumeAdjustSounds) {
EXPECT_FALSE(is_sound_initialized());
// Check that sound isn't played on volume up and volume down.
audio_handler_->SetOutputVolumePercent(50);
VolumeUp();
VolumeDown();
EXPECT_EQ(0, num_play_requests());
}
} // namespace
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