1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/basictypes.h" 6 #include "base/bind.h" 7 #include "base/bind_helpers.h" 8 #include "base/compiler_specific.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "base/message_loop/message_loop.h" 11 #include "base/run_loop.h" 12 #include "media/audio/audio_io.h" 13 #include "media/audio/audio_manager.h" 14 #include "media/audio/simple_sources.h" 15 #include "media/audio/sounds/audio_stream_handler.h" 16 #include "media/audio/sounds/test_data.h" 17 #include "media/base/channel_layout.h" 18 #include "testing/gtest/include/gtest/gtest.h" 19 20 namespace media { 21 22 class AudioStreamHandlerTest : public testing::Test { 23 public: 24 AudioStreamHandlerTest() {} 25 virtual ~AudioStreamHandlerTest() {} 26 27 virtual void SetUp() OVERRIDE { 28 audio_manager_.reset(AudioManager::CreateForTesting()); 29 30 base::StringPiece data(kTestAudioData, arraysize(kTestAudioData)); 31 audio_stream_handler_.reset(new AudioStreamHandler(data)); 32 } 33 34 virtual void TearDown() OVERRIDE { 35 audio_stream_handler_.reset(); 36 audio_manager_.reset(); 37 } 38 39 AudioStreamHandler* audio_stream_handler() { 40 return audio_stream_handler_.get(); 41 } 42 43 void SetObserverForTesting(AudioStreamHandler::TestObserver* observer) { 44 AudioStreamHandler::SetObserverForTesting(observer); 45 } 46 47 void SetAudioSourceForTesting( 48 AudioOutputStream::AudioSourceCallback* source) { 49 AudioStreamHandler::SetAudioSourceForTesting(source); 50 } 51 52 private: 53 scoped_ptr<AudioManager> audio_manager_; 54 scoped_ptr<AudioStreamHandler> audio_stream_handler_; 55 56 base::MessageLoop message_loop_; 57 }; 58 59 TEST_F(AudioStreamHandlerTest, Play) { 60 base::RunLoop run_loop; 61 TestObserver observer(run_loop.QuitClosure()); 62 63 SetObserverForTesting(&observer); 64 65 ASSERT_TRUE(audio_stream_handler()->IsInitialized()); 66 ASSERT_TRUE(audio_stream_handler()->Play()); 67 68 run_loop.Run(); 69 70 SetObserverForTesting(NULL); 71 72 ASSERT_EQ(1, observer.num_play_requests()); 73 ASSERT_EQ(1, observer.num_stop_requests()); 74 ASSERT_EQ(4, observer.cursor()); 75 } 76 77 TEST_F(AudioStreamHandlerTest, Rewind) { 78 base::RunLoop run_loop; 79 TestObserver observer(run_loop.QuitClosure()); 80 SineWaveAudioSource source(CHANNEL_LAYOUT_STEREO, 200.0, 8000); 81 82 SetObserverForTesting(&observer); 83 SetAudioSourceForTesting(&source); 84 85 ASSERT_TRUE(audio_stream_handler()->IsInitialized()); 86 87 ASSERT_TRUE(audio_stream_handler()->Play()); 88 base::MessageLoop::current()->PostDelayedTask( 89 FROM_HERE, 90 base::Bind(base::IgnoreResult(&AudioStreamHandler::Play), 91 base::Unretained(audio_stream_handler())), 92 base::TimeDelta::FromSeconds(3)); 93 base::MessageLoop::current()->PostDelayedTask( 94 FROM_HERE, 95 base::Bind(&AudioStreamHandler::Stop, 96 base::Unretained(audio_stream_handler())), 97 base::TimeDelta::FromSeconds(6)); 98 99 run_loop.Run(); 100 101 SetObserverForTesting(NULL); 102 SetAudioSourceForTesting(NULL); 103 104 ASSERT_EQ(2, observer.num_play_requests()); 105 ASSERT_EQ(1, observer.num_stop_requests()); 106 } 107 108 } // namespace media 109