Ensures that audio tasks cannot run after AudioManager is deleted.

media/audio/alsa/alsa_output_unittest.cc

 // Copyright 2013 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 "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/test/test_message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "media/audio/alsa/alsa_output.h"
 #include "media/audio/alsa/alsa_wrapper.h"
 #include "media/audio/alsa/audio_manager_alsa.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "media/audio/mock_audio_source_callback.h"
+#include "media/audio/test_audio_thread.h"
 #include "media/base/audio_timestamp_helper.h"
 #include "media/base/data_buffer.h"
 #include "media/base/seekable_buffer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::_;
 using testing::AllOf;
 using testing::AtLeast;
 using testing::DoAll;
@@ skipping 43 matching lines @@
   MOCK_METHOD1(PcmAvailUpdate, snd_pcm_sframes_t(snd_pcm_t* handle));
   MOCK_METHOD1(PcmState, snd_pcm_state_t(snd_pcm_t* handle));
   MOCK_METHOD1(PcmStart, int(snd_pcm_t* handle));
 
   MOCK_METHOD1(StrError, const char*(int errnum));
 };
 
 class MockAudioManagerAlsa : public AudioManagerAlsa {
  public:
   MockAudioManagerAlsa()
-      : AudioManagerAlsa(base::ThreadTaskRunnerHandle::Get(),
-                         base::ThreadTaskRunnerHandle::Get(),
+      : AudioManagerAlsa(base::MakeUnique<TestAudioThread>(),
                          &fake_audio_log_factory_) {}
   MOCK_METHOD0(Init, void());
   MOCK_METHOD0(HasAudioOutputDevices, bool());
   MOCK_METHOD0(HasAudioInputDevices, bool());
   MOCK_METHOD2(MakeLinearOutputStream,
                AudioOutputStream*(const AudioParameters& params,
                                   const LogCallback& log_callback));
   MOCK_METHOD3(MakeLowLatencyOutputStream,
                AudioOutputStream*(const AudioParameters& params,
                                   const std::string& device_id,
@@ skipping 15 matching lines @@
  private:
   FakeAudioLogFactory fake_audio_log_factory_;
 };
 
 class AlsaPcmOutputStreamTest : public testing::Test {
  protected:
   AlsaPcmOutputStreamTest() {
     mock_manager_.reset(new StrictMock<MockAudioManagerAlsa>());
   }
 
-  virtual ~AlsaPcmOutputStreamTest() {
-  }
+  virtual ~AlsaPcmOutputStreamTest() { mock_manager_->Shutdown(); }
 
   AlsaPcmOutputStream* CreateStream(ChannelLayout layout) {
     return CreateStream(layout, kTestFramesPerPacket);
   }
 
   AlsaPcmOutputStream* CreateStream(ChannelLayout layout,
                                     int32_t samples_per_packet) {
     AudioParameters params(kTestFormat, layout, kTestSampleRate,
                            kTestBitsPerSample, samples_per_packet);
     return new AlsaPcmOutputStream(kTestDeviceName,
@@ skipping 39 matching lines @@
   static char kSurround41[];
   static char kSurround50[];
   static char kSurround51[];
   static char kSurround70[];
   static char kSurround71[];
   static void* kFakeHints[];
   static char kGenericSurround50[];
 
   base::TestMessageLoop message_loop_;
   StrictMock<MockAlsaWrapper> mock_alsa_wrapper_;
-  std::unique_ptr<StrictMock<MockAudioManagerAlsa>, AudioManagerDeleter>
-      mock_manager_;
+  std::unique_ptr<StrictMock<MockAudioManagerAlsa>> mock_manager_;
   scoped_refptr<DataBuffer> packet_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AlsaPcmOutputStreamTest);
 };
 
 const ChannelLayout AlsaPcmOutputStreamTest::kTestChannelLayout =
     CHANNEL_LAYOUT_STEREO;
 const int AlsaPcmOutputStreamTest::kTestSampleRate =
     AudioParameters::kAudioCDSampleRate;
@@ skipping 673 matching lines @@
 
   // TODO(ajwong): Find a way to test whether or not another task has been
   // posted so we can verify that the Alsa code will indeed break the task
   // posting loop.
 
   test_stream->TransitionTo(AlsaPcmOutputStream::kIsClosed);
   test_stream->Close();
 }
 
 }  // namespace media