1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
// 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_output_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;
static const int kSampleRate = AudioManager::kAudioCDSampleRate;
static const int kBitsPerSample = 16;
static const int kChannels = 2;
static const int kHardwareBufferSize = kSampleRate * kBitsPerSample *
kChannels / 8;
static const int kBufferCapacity = 3 * kHardwareBufferSize;
namespace media {
class MockAudioOutputControllerEventHandler
: public AudioOutputController::EventHandler {
public:
MockAudioOutputControllerEventHandler() {}
MOCK_METHOD1(OnCreated, void(AudioOutputController* controller));
MOCK_METHOD1(OnPlaying, void(AudioOutputController* controller));
MOCK_METHOD1(OnPaused, void(AudioOutputController* controller));
MOCK_METHOD2(OnError, void(AudioOutputController* controller,
int error_code));
MOCK_METHOD3(OnMoreData,
void(AudioOutputController* controller,
base::Time timestamp, uint32 pending_bytes));
private:
DISALLOW_COPY_AND_ASSIGN(MockAudioOutputControllerEventHandler);
};
class MockAudioOutputControllerSyncReader
: public AudioOutputController::SyncReader {
public:
MockAudioOutputControllerSyncReader() {}
MOCK_METHOD1(UpdatePendingBytes, void(uint32 bytes));
MOCK_METHOD2(Read, uint32(void* data, uint32 size));
MOCK_METHOD0(Close, void());
private:
DISALLOW_COPY_AND_ASSIGN(MockAudioOutputControllerSyncReader);
};
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(AudioOutputControllerTest, CreateAndClose) {
if (!HasAudioDevices() || IsRunningHeadless())
return;
MockAudioOutputControllerEventHandler event_handler;
scoped_refptr<AudioOutputController> controller =
AudioOutputController::Create(&event_handler,
AudioManager::AUDIO_PCM_LINEAR, kChannels,
kSampleRate, kBitsPerSample,
kHardwareBufferSize, kBufferCapacity);
ASSERT_TRUE(controller.get());
// Close the controller immediately.
controller->Close();
// TODO(hclam): Make sure releasing the reference to this
// object actually destruct it.
controller = NULL;
}
TEST(AudioOutputControllerTest, PlayAndClose) {
if (!HasAudioDevices() || IsRunningHeadless())
return;
MockAudioOutputControllerEventHandler 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<AudioOutputController> controller =
AudioOutputController::Create(&event_handler,
AudioManager::AUDIO_PCM_LINEAR, kChannels,
kSampleRate, kBitsPerSample,
kHardwareBufferSize, kBufferCapacity);
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(AudioOutputControllerTest, PlayPauseClose) {
if (!HasAudioDevices() || IsRunningHeadless())
return;
MockAudioOutputControllerEventHandler 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<AudioOutputController> controller =
AudioOutputController::Create(&event_handler,
AudioManager::AUDIO_PCM_LINEAR, kChannels,
kSampleRate, kBitsPerSample,
kHardwareBufferSize, kBufferCapacity);
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;
}
TEST(AudioOutputControllerTest, HardwareBufferTooLarge) {
if (!HasAudioDevices() || IsRunningHeadless())
return;
// Create an audio device with a very large hardware buffer size.
MockAudioOutputControllerEventHandler event_handler;
scoped_refptr<AudioOutputController> controller =
AudioOutputController::Create(&event_handler,
AudioManager::AUDIO_PCM_LINEAR, kChannels,
kSampleRate, kBitsPerSample,
kHardwareBufferSize * 1000,
kBufferCapacity);
// Use assert because we don't stop the device and assume we can't
// create one.
ASSERT_FALSE(controller);
}
TEST(AudioOutputControllerTest, CloseTwice) {
if (!HasAudioDevices() || IsRunningHeadless())
return;
MockAudioOutputControllerEventHandler event_handler;
scoped_refptr<AudioOutputController> controller =
AudioOutputController::Create(&event_handler,
AudioManager::AUDIO_PCM_LINEAR, kChannels,
kSampleRate, kBitsPerSample,
kHardwareBufferSize, kBufferCapacity);
ASSERT_TRUE(controller.get());
// Close the controller immediately.
controller->Close();
controller->Close();
// TODO(hclam): Make sure releasing the reference to this
// object actually destruct it.
controller = NULL;
}
} // namespace media
|
