Ensures that audio tasks cannot run after AudioManager is deleted.

media/audio/win/audio_low_latency_input_win_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 "media/audio/win/audio_low_latency_input_win.h"
 
 #include <mmsystem.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <windows.h>
 
 #include <memory>
 
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/test_timeouts.h"
 #include "base/win/scoped_com_initializer.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/test_audio_thread.h"
 #include "media/audio/win/core_audio_util_win.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::AnyNumber;
 using ::testing::AtLeast;
 using ::testing::Gt;
 using ::testing::NotNull;
@@ skipping 214 matching lines @@
  private:
   AudioInputStream* stream_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedAudioInputStream);
 };
 
 class WinAudioInputTest : public ::testing::Test {
  public:
   WinAudioInputTest() {
     audio_manager_ =
-        AudioManager::CreateForTesting(message_loop_.task_runner());
+        AudioManager::CreateForTesting(base::MakeUnique<TestAudioThread>());
     base::RunLoop().RunUntilIdle();
   }
-  ~WinAudioInputTest() override {
-    audio_manager_.reset();
-    base::RunLoop().RunUntilIdle();
-  }
+  ~WinAudioInputTest() override { audio_manager_->Shutdown(); }
 
  protected:
   base::MessageLoop message_loop_;
-  ScopedAudioManagerPtr audio_manager_;
+  std::unique_ptr<AudioManager> audio_manager_;
 };
 
 // Verify that we can retrieve the current hardware/mixing sample rate
 // for all available input devices.
 TEST_F(WinAudioInputTest, WASAPIAudioInputStreamHardwareSampleRate) {
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndInputDevices(audio_manager_.get()));
 
   // Retrieve a list of all available input devices.
   media::AudioDeviceDescriptions device_descriptions;
   audio_manager_->GetAudioInputDeviceDescriptions(&device_descriptions);
@@ skipping 268 matching lines @@
     ais->Start(&file_sink);
     base::PlatformThread::Sleep(TestTimeouts::action_timeout());
     // base::PlatformThread::Sleep(base::TimeDelta::FromMinutes(10));
     ais->Stop();
     VLOG(0) << ">> Recording has stopped.";
     ais.Close();
   }
 }
 
 }  // namespace media