Get audio_unittests passing with h/w on windows.

media/audio/win/audio_low_latency_output_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 <windows.h>
 #include <mmsystem.h>
 
 #include "base/basictypes.h"
 #include "base/environment.h"
 #include "base/files/file_util.h"
@@ skipping 19 matching lines @@
 using ::testing::_;
 using ::testing::AnyNumber;
 using ::testing::AtLeast;
 using ::testing::Between;
 using ::testing::CreateFunctor;
 using ::testing::DoAll;
 using ::testing::Gt;
 using ::testing::InvokeWithoutArgs;
 using ::testing::NotNull;
 using ::testing::Return;
-using base::win::ScopedCOMInitializer;
 
 namespace media {
 
 static const char kSpeechFile_16b_s_48k[] = "speech_16b_stereo_48kHz.raw";
 static const char kSpeechFile_16b_s_44k[] = "speech_16b_stereo_44kHz.raw";
 static const size_t kFileDurationMs = 20000;
 static const size_t kNumFileSegments = 2;
 static const int kBitsPerSample = 16;
 static const size_t kMaxDeltaSamples = 1000;
 static const char kDeltaTimeMsFileName[] = "delta_times_ms.txt";
@@ skipping 173 matching lines @@
   AudioOutputStream* aos = aosw.Create();
   return aos;
 }
 
 // Verify that we can retrieve the current hardware/mixing sample rate
 // for the default audio device.
 // TODO(henrika): modify this test when we support full device enumeration.
 TEST(WASAPIAudioOutputStreamTest, HardwareSampleRate) {
   // Skip this test in exclusive mode since the resulting rate is only utilized
   // for shared mode streams.
+  if (ExclusiveModeIsEnabled())
+    return;
   scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
-  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()) &&
-                          ExclusiveModeIsEnabled());
+  ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()));
 
   // Default device intended for games, system notification sounds,
   // and voice commands.
   int fs = static_cast<int>(
       WASAPIAudioOutputStream::HardwareSampleRate(std::string()));
   EXPECT_GE(fs, 0);
 }
 
 // Test Create(), Close() calling sequence.
 TEST(WASAPIAudioOutputStreamTest, CreateAndClose) {
@@ skipping 195 matching lines @@
   }
 
   DVLOG(0) << ">> Stereo file playout has stopped.";
   aos->Close();
 }
 
 // Verify that we can open the output stream in exclusive mode using a
 // certain set of audio parameters and a sample rate of 48kHz.
 // The expected outcomes of each setting in this test has been derived
 // manually using log outputs (--v=1).
-TEST(WASAPIAudioOutputStreamTest, ExclusiveModeBufferSizesAt48kHz) {
+// It's disabled by default because a flag is required to enable exclusive mode.
+TEST(WASAPIAudioOutputStreamTest, DISABLED_ExclusiveModeBufferSizesAt48kHz) {
   scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()) &&
                           ExclusiveModeIsEnabled());
 
   AudioOutputStreamWrapper aosw(audio_manager.get());
 
   // 10ms @ 48kHz shall work.
   // Note that, this is the same size as we can use for shared-mode streaming
   // but here the endpoint buffer delay is only 10ms instead of 20ms.
   AudioOutputStream* aos = aosw.Create(48000, 480);
@@ skipping 27 matching lines @@
   // 3.3333ms @ 48kHz <=> smallest possible buffer size we can use.
   aos = aosw.Create(48000, 160);
   EXPECT_TRUE(aos->Open());
   aos->Close();
 }
 
 // Verify that we can open the output stream in exclusive mode using a
 // certain set of audio parameters and a sample rate of 44.1kHz.
 // The expected outcomes of each setting in this test has been derived
 // manually using log outputs (--v=1).
-TEST(WASAPIAudioOutputStreamTest, ExclusiveModeBufferSizesAt44kHz) {
+// It's disabled by default because a flag is required to enable exclusive mode.
+TEST(WASAPIAudioOutputStreamTest, DISABLED_ExclusiveModeBufferSizesAt44kHz) {
   scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()) &&
                           ExclusiveModeIsEnabled());
 
   AudioOutputStreamWrapper aosw(audio_manager.get());
 
   // 10ms @ 44.1kHz does not work due to misalignment.
   // This test will propose an aligned buffer size of 10.1587ms.
   AudioOutputStream* aos = aosw.Create(44100, 441);
   EXPECT_FALSE(aos->Open());
@@ skipping 34 matching lines @@
   aos->Close();
 
   // 3.6281ms @ 44.1kHz <=> smallest possible buffer size we can use.
   aos = aosw.Create(44100, 160);
   EXPECT_TRUE(aos->Open());
   aos->Close();
 }
 
 // Verify that we can open and start the output stream in exclusive mode at
 // the lowest possible delay at 48kHz.
-TEST(WASAPIAudioOutputStreamTest, ExclusiveModeMinBufferSizeAt48kHz) {
+// It's disabled by default because a flag is required to enable exclusive mode.
+TEST(WASAPIAudioOutputStreamTest, DISABLED_ExclusiveModeMinBufferSizeAt48kHz) {
   scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
   ABORT_AUDIO_TEST_IF_NOT(HasCoreAudioAndOutputDevices(audio_manager.get()) &&
                           ExclusiveModeIsEnabled());
 
   base::MessageLoopForUI loop;
   MockAudioSourceCallback source;
 
   // Create exclusive-mode WASAPI output stream which plays out in stereo
   // using the minimum buffer size at 48kHz sample rate.
   AudioOutputStreamWrapper aosw(audio_manager.get());
@@ skipping 14 matching lines @@
   aos->Start(&source);
   loop.PostDelayedTask(FROM_HERE, base::MessageLoop::QuitClosure(),
                        TestTimeouts::action_timeout());
   loop.Run();
   aos->Stop();
   aos->Close();
 }
 
 // Verify that we can open and start the output stream in exclusive mode at
 // the lowest possible delay at 44.1kHz.
-TEST(WASAPIAudioOutputStreamTest, ExclusiveModeMinBufferSizeAt44kHz) {
+// It's disabled by default because a flag is required to enable exclusive mode.
+TEST(WASAPIAudioOutputStreamTest, DISABLED_ExclusiveModeMinBufferSizeAt44kHz) {
   ABORT_AUDIO_TEST_IF_NOT(ExclusiveModeIsEnabled());
   scoped_ptr<AudioManager> audio_manager(AudioManager::CreateForTesting());
 
   base::MessageLoopForUI loop;
   MockAudioSourceCallback source;
 
   // Create exclusive-mode WASAPI output stream which plays out in stereo
   // using the minimum buffer size at 44.1kHz sample rate.
   AudioOutputStreamWrapper aosw(audio_manager.get());
   AudioOutputStream* aos = aosw.Create(44100, 160);
@@ skipping 12 matching lines @@
 
   aos->Start(&source);
   loop.PostDelayedTask(FROM_HERE, base::MessageLoop::QuitClosure(),
                         TestTimeouts::action_timeout());
   loop.Run();
   aos->Stop();
   aos->Close();
 }
 
 }  // namespace media