Ensures that audio tasks cannot run after AudioManager is deleted.

media/audio/audio_output_proxy_unittest.cc

 // 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 <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "media/audio/audio_manager.h"
 #include "media/audio/audio_manager_base.h"
 #include "media/audio/audio_output_dispatcher_impl.h"
 #include "media/audio/audio_output_proxy.h"
 #include "media/audio/audio_output_resampler.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "media/audio/fake_audio_output_stream.h"
+#include "media/audio/test_audio_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::AllOf;
 using ::testing::DoAll;
 using ::testing::Field;
 using ::testing::Mock;
 using ::testing::NotNull;
 using ::testing::Return;
 using ::testing::SetArrayArgument;
 using media::AudioBus;
 using media::AudioInputStream;
 using media::AudioManager;
 using media::AudioManagerBase;
 using media::AudioOutputDispatcher;
 using media::AudioOutputProxy;
 using media::AudioOutputStream;
 using media::AudioParameters;
 using media::FakeAudioOutputStream;
+using media::TestAudioThread;
 
 namespace {
 
 static const int kTestCloseDelayMs = 10;
 
 // Delay between callbacks to AudioSourceCallback::OnMoreData.
 static const int kOnMoreDataCallbackDelayMs = 10;
 
 // Let start run long enough for many OnMoreData callbacks to occur.
 static const int kStartRunTimeMs = kOnMoreDataCallbackDelayMs * 10;
@@ skipping 38 matching lines @@
  private:
   bool start_called_;
   bool stop_called_;
   AudioParameters params_;
   std::unique_ptr<AudioOutputStream> fake_output_stream_;
 };
 
 class MockAudioManager : public AudioManagerBase {
  public:
   MockAudioManager()
-      : AudioManagerBase(base::ThreadTaskRunnerHandle::Get(),
-                         base::ThreadTaskRunnerHandle::Get(),
+      : AudioManagerBase(base::MakeUnique<TestAudioThread>(),
                          &fake_audio_log_factory_) {}
   ~MockAudioManager() override { Shutdown(); }
 
   MOCK_METHOD0(HasAudioOutputDevices, bool());
   MOCK_METHOD0(HasAudioInputDevices, bool());
   MOCK_METHOD0(GetAudioInputDeviceModel, base::string16());
   MOCK_METHOD3(MakeAudioOutputStream,
                AudioOutputStream*(const AudioParameters& params,
                                   const std::string& device_id,
                                   const LogCallback& log_callback));
@@ skipping 727 matching lines @@
       .WillOnce(Return(&real_stream));
 
   // Stream1 should be able to successfully open and start.
   EXPECT_CALL(real_stream, Open()).WillOnce(Return(true));
   proxy = resampler_->CreateStreamProxy();
   EXPECT_TRUE(proxy->Open());
   CloseAndWaitForCloseTimer(proxy, &real_stream);
 }
 
 }  // namespace media