Remove the AudioManager singleton.

media/audio/audio_output_proxy_unittest.cc

 // Copyright (c) 2011 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/message_loop.h"
 #include "base/threading/platform_thread.h"
 #include "media/audio/audio_output_dispatcher.h"
 #include "media/audio/audio_output_proxy.h"
 #include "media/audio/audio_manager.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 49 matching lines @@
  public:
   MOCK_METHOD4(OnMoreData, uint32(AudioOutputStream* stream,
                                   uint8* dest, uint32 max_size,
                                   AudioBuffersState buffers_state));
   MOCK_METHOD2(OnError, void(AudioOutputStream* stream, int code));
 };
 
 class AudioOutputProxyTest : public testing::Test {
  protected:
   virtual void SetUp() {
-    EXPECT_CALL(manager_, GetMessageLoop())
+    MockAudioManager* manager = new MockAudioManager();
+    EXPECT_CALL(*manager, GetMessageLoop())
         .WillRepeatedly(Return(&message_loop_));
+    manager_ = manager;
     InitDispatcher(kTestCloseDelayMs);
   }
 
   virtual void TearDown() {
     // All paused proxies should have been closed at this point.
     EXPECT_EQ(0u, dispatcher_->paused_proxies_);
 
     // This is necessary to free all proxy objects that have been
     // closed by the test.
     message_loop_.RunAllPending();
   }
 
   void InitDispatcher(int close_delay_ms) {
     AudioParameters params(AudioParameters::AUDIO_PCM_LINEAR,
                            CHANNEL_LAYOUT_STEREO, 44100, 16, 1024);
-    dispatcher_ = new AudioOutputDispatcher(&manager_, params, close_delay_ms);
+    dispatcher_ = new AudioOutputDispatcher(&manager(), params, close_delay_ms);
 
     // Necessary to know how long the dispatcher will wait before posting
     // StopStreamTask.
     pause_delay_milliseconds_ = dispatcher_->pause_delay_milliseconds_;
   }
 
+  MockAudioManager& manager() {
+    return *manager_;
+  }
+
   MessageLoop message_loop_;
   scoped_refptr<AudioOutputDispatcher> dispatcher_;
   int64 pause_delay_milliseconds_;
-  MockAudioManager manager_;
+  scoped_refptr<MockAudioManager> manager_;
   MockAudioSourceCallback callback_;
 };
 
 TEST_F(AudioOutputProxyTest, CreateAndClose) {
   AudioOutputProxy* proxy = new AudioOutputProxy(dispatcher_);
   proxy->Close();
 }
 
 TEST_F(AudioOutputProxyTest, OpenAndClose) {
   MockAudioOutputStream stream;
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream));
   EXPECT_CALL(stream, Open())
       .WillOnce(Return(true));
   EXPECT_CALL(stream, Close())
       .Times(1);
 
   AudioOutputProxy* proxy = new AudioOutputProxy(dispatcher_);
   EXPECT_TRUE(proxy->Open());
   proxy->Close();
 }
 
 // Create a stream, and verify that it is closed after kTestCloseDelayMs.
 // if it doesn't start playing.
 TEST_F(AudioOutputProxyTest, CreateAndWait) {
   MockAudioOutputStream stream;
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream));
   EXPECT_CALL(stream, Open())
       .WillOnce(Return(true));
   EXPECT_CALL(stream, Close())
       .Times(1);
 
   AudioOutputProxy* proxy = new AudioOutputProxy(dispatcher_);
   EXPECT_TRUE(proxy->Open());
 
   // Simulate a delay.
   base::PlatformThread::Sleep(kTestCloseDelayMs * 2);
   message_loop_.RunAllPending();
 
   // Verify expectation before calling Close().
   Mock::VerifyAndClear(&stream);
 
   proxy->Close();
 }
 
 // Create a stream, and then calls Start() and Stop().
 TEST_F(AudioOutputProxyTest, StartAndStop) {
   MockAudioOutputStream stream;
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream));
   EXPECT_CALL(stream, Open())
       .WillOnce(Return(true));
   EXPECT_CALL(stream, Start(_))
       .Times(1);
   EXPECT_CALL(stream, SetVolume(_))
       .Times(1);
   EXPECT_CALL(stream, Stop())
       .Times(1);
   EXPECT_CALL(stream, Close())
       .Times(1);
 
   AudioOutputProxy* proxy = new AudioOutputProxy(dispatcher_);
   EXPECT_TRUE(proxy->Open());
 
   proxy->Start(&callback_);
   proxy->Stop();
 
   proxy->Close();
 }
 
 // Verify that the stream is closed after Stop is called.
 TEST_F(AudioOutputProxyTest, CloseAfterStop) {
   MockAudioOutputStream stream;
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream));
   EXPECT_CALL(stream, Open())
       .WillOnce(Return(true));
   EXPECT_CALL(stream, Start(_))
       .Times(1);
   EXPECT_CALL(stream, SetVolume(_))
       .Times(1);
   EXPECT_CALL(stream, Stop())
       .Times(1);
   EXPECT_CALL(stream, Close())
@@ skipping 16 matching lines @@
   // Verify expectation before calling Close().
   Mock::VerifyAndClear(&stream);
 
   proxy->Close();
 }
 
 // Create two streams, but don't start them. Only one device must be open.
 TEST_F(AudioOutputProxyTest, TwoStreams) {
   MockAudioOutputStream stream;
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream));
   EXPECT_CALL(stream, Open())
       .WillOnce(Return(true));
   EXPECT_CALL(stream, Close())
       .Times(1);
 
   AudioOutputProxy* proxy1 = new AudioOutputProxy(dispatcher_);
   AudioOutputProxy* proxy2 = new AudioOutputProxy(dispatcher_);
   EXPECT_TRUE(proxy1->Open());
   EXPECT_TRUE(proxy2->Open());
   proxy1->Close();
   proxy2->Close();
 }
 
 // Two streams: verify that second stream is allocated when the first
 // starts playing.
 TEST_F(AudioOutputProxyTest, TwoStreams_OnePlaying) {
   MockAudioOutputStream stream1;
   MockAudioOutputStream stream2;
 
   InitDispatcher(kTestBigCloseDelayMs);
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream1))
       .WillOnce(Return(&stream2));
 
   EXPECT_CALL(stream1, Open())
       .WillOnce(Return(true));
   EXPECT_CALL(stream1, Start(_))
       .Times(1);
   EXPECT_CALL(stream1, SetVolume(_))
       .Times(1);
   EXPECT_CALL(stream1, Stop())
@@ skipping 19 matching lines @@
   proxy2->Close();
 }
 
 // Two streams, both are playing. Dispatcher should not open a third stream.
 TEST_F(AudioOutputProxyTest, TwoStreams_BothPlaying) {
   MockAudioOutputStream stream1;
   MockAudioOutputStream stream2;
 
   InitDispatcher(kTestBigCloseDelayMs);
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream1))
       .WillOnce(Return(&stream2));
 
   EXPECT_CALL(stream1, Open())
       .WillOnce(Return(true));
   EXPECT_CALL(stream1, Start(_))
       .Times(1);
   EXPECT_CALL(stream1, SetVolume(_))
       .Times(1);
   EXPECT_CALL(stream1, Stop())
@@ skipping 23 matching lines @@
   proxy2->Stop();
 
   proxy1->Close();
   proxy2->Close();
 }
 
 // Open() method failed.
 TEST_F(AudioOutputProxyTest, OpenFailed) {
   MockAudioOutputStream stream;
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream));
   EXPECT_CALL(stream, Open())
       .WillOnce(Return(false));
   EXPECT_CALL(stream, Close())
       .Times(1);
 
   AudioOutputProxy* proxy = new AudioOutputProxy(dispatcher_);
   EXPECT_FALSE(proxy->Open());
   proxy->Close();
 }
 
 // Start() method failed.
 TEST_F(AudioOutputProxyTest, StartFailed) {
   MockAudioOutputStream stream;
 
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(&stream));
   EXPECT_CALL(stream, Open())
       .WillOnce(Return(true));
   EXPECT_CALL(stream, Close())
       .Times(1);
 
   AudioOutputProxy* proxy = new AudioOutputProxy(dispatcher_);
   EXPECT_TRUE(proxy->Open());
 
   // Simulate a delay.
   base::PlatformThread::Sleep(kTestCloseDelayMs * 2);
   message_loop_.RunAllPending();
 
   // Verify expectation before calling Close().
   Mock::VerifyAndClear(&stream);
 
   // |stream| is closed at this point. Start() should reopen it again.
-  EXPECT_CALL(manager_, MakeAudioOutputStream(_))
+  EXPECT_CALL(manager(), MakeAudioOutputStream(_))
       .WillOnce(Return(reinterpret_cast<AudioOutputStream*>(NULL)));
 
   EXPECT_CALL(callback_, OnError(_, _))
       .Times(1);
 
   proxy->Start(&callback_);
 
   Mock::VerifyAndClear(&callback_);
 
   proxy->Close();
 }