Ensures that audio tasks cannot run after AudioManager is deleted.

media/audio/audio_low_latency_input_output_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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 
 #include "base/bind.h"
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/lock.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "media/audio/audio_device_description.h"
 #include "media/audio/audio_io.h"
+#include "media/audio/audio_manager.h"
 #include "media/audio/audio_unittest_util.h"
-#include "media/audio/fake_audio_log_factory.h"
+#include "media/audio/test_audio_thread.h"
 #include "media/base/seekable_buffer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-#if defined(USE_PULSEAUDIO)
-#include "media/audio/pulse/audio_manager_pulse.h"
-#elif defined(USE_ALSA)
-#include "media/audio/alsa/audio_manager_alsa.h"
-#elif defined(USE_CRAS)
-#include "media/audio/cras/audio_manager_cras.h"
-#elif defined(OS_MACOSX)
-#include "media/audio/mac/audio_manager_mac.h"
-#elif defined(OS_WIN)
-#include "media/audio/win/audio_manager_win.h"
-#include "media/audio/win/core_audio_util_win.h"
-#elif defined(OS_ANDROID)
-#include "media/audio/android/audio_manager_android.h"
-#else
-#include "media/audio/fake_audio_manager.h"
-#endif
-
 namespace media {
 
-#if defined(USE_PULSEAUDIO)
-typedef AudioManagerPulse AudioManagerAnyPlatform;
-#elif defined(USE_ALSA)
-typedef AudioManagerAlsa AudioManagerAnyPlatform;
-#elif defined(USE_CRAS)
-typedef AudioManagerCras AudioManagerAnyPlatform;
-#elif defined(OS_MACOSX)
-typedef AudioManagerMac AudioManagerAnyPlatform;
-#elif defined(OS_WIN)
-typedef AudioManagerWin AudioManagerAnyPlatform;
-#elif defined(OS_ANDROID)
-typedef AudioManagerAndroid AudioManagerAnyPlatform;
-#else
-typedef FakeAudioManager AudioManagerAnyPlatform;
-#endif
-
 // Limits the number of delay measurements we can store in an array and
 // then write to file at end of the WASAPIAudioInputOutputFullDuplex test.
 static const size_t kMaxDelayMeasurements = 1000;
 
 // Name of the output text file. The output file will be stored in the
 // directory containing media_unittests.exe.
 // Example: \src\build\Debug\audio_delay_values_ms.txt.
 // See comments for the WASAPIAudioInputOutputFullDuplex test for more details
 // about the file format.
 static const char kDelayValuesFileName[] = "audio_delay_values_ms.txt";
@@ skipping 16 matching lines @@
 
   // Reported capture/input delay. Typical value is ~10 [ms].
   int input_delay_ms;
 
   // Reported render/output delay. Typical value is ~40 [ms].
   int output_delay_ms;
 };
 
 void OnLogMessage(const std::string& message) {}
 
-// This class mocks the platform specific audio manager and overrides
-// the GetMessageLoop() method to ensure that we can run our tests on
-// the main thread instead of the audio thread.
-class MockAudioManager : public AudioManagerAnyPlatform {
- public:
-  MockAudioManager()
-      : AudioManagerAnyPlatform(base::ThreadTaskRunnerHandle::Get(),
-                                base::ThreadTaskRunnerHandle::Get(),
-                                &fake_audio_log_factory_) {}
-  ~MockAudioManager() override {}
-
- private:
-  FakeAudioLogFactory fake_audio_log_factory_;
-  DISALLOW_COPY_AND_ASSIGN(MockAudioManager);
-};
-
 // Test fixture class.
 class AudioLowLatencyInputOutputTest : public testing::Test {
  protected:
-  AudioLowLatencyInputOutputTest() {}
+  AudioLowLatencyInputOutputTest() {
+    audio_manager_ =
+        AudioManager::CreateForTesting(base::MakeUnique<TestAudioThread>());
+  }
 
-  ~AudioLowLatencyInputOutputTest() override {}
+  ~AudioLowLatencyInputOutputTest() override { audio_manager_->Shutdown(); }
 
-  AudioManager* audio_manager() { return &mock_audio_manager_; }
+  AudioManager* audio_manager() { return audio_manager_.get(); }
   base::MessageLoopForUI* message_loop() { return &message_loop_; }
 
  private:
   base::MessageLoopForUI message_loop_;
-  MockAudioManager mock_audio_manager_;
+  std::unique_ptr<AudioManager> audio_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioLowLatencyInputOutputTest);
 };
 
 // This audio source/sink implementation should be used for manual tests
 // only since delay measurements are stored on an output text file.
 // All incoming/recorded audio packets are stored in an intermediate media
 // buffer which the renderer reads from when it needs audio for playout.
 // The total effect is that recorded audio is played out in loop back using
 // a sync buffer as temporary storage.
@@ skipping 302 matching lines @@
 
   // All Close() operations that run on the mocked audio thread,
   // should be synchronous and not post additional close tasks to
   // mocked the audio thread. Hence, there is no need to call
   // message_loop()->RunUntilIdle() after the Close() methods.
   aos->Close();
   ais->Close();
 }
 
 }  // namespace media