Add flag --require-audio-hardware-for-testing.

media/audio/audio_input_volume_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 <cmath>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_manager_base.h"
+#include "media/audio/audio_unittest_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_com_initializer.h"
 #include "media/audio/win/core_audio_util_win.h"
 #endif
 
 namespace media {
 
 double GetVolumeAfterSetVolumeOnLinux(AudioInputStream* ais,
@@ skipping 17 matching lines @@
 class AudioInputVolumeTest : public ::testing::Test {
  protected:
   AudioInputVolumeTest()
       : audio_manager_(AudioManager::CreateForTesting())
 #if defined(OS_WIN)
        , com_init_(base::win::ScopedCOMInitializer::kMTA)
 #endif
   {
   }
 
   bool CanRunAudioTests() {

[DaleCurtis, 2015/02/09 21:21:31]

HasCoreAudioAndInputDevices ?

[watk, 2015/02/09 22:03:57]

Done.

 #if defined(OS_WIN)
     // TODO(henrika): add support for volume control on Windows XP as well.
-    // For now, we might as well signal false already here to avoid running
-    // these tests on Windows XP.
-    if (!CoreAudioUtil::IsSupported())
+    if (!CoreAudioUtils::IsSupported())
       return false;
 #endif
-    if (!audio_manager_)
-      return false;
-
     return audio_manager_->HasAudioInputDevices();
   }
 
   // Helper method which checks if the stream has volume support.
   bool HasDeviceVolumeControl(AudioInputStream* stream) {
     if (!stream)
       return false;
 
     return (stream->GetMaxVolume() != 0.0);
   }
@@ skipping 30 matching lines @@
 
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 // Currently failing on linux ARM bot: http://crbug/238490
 // Also flaky on x86_64: http://crbug/236936
 #define MAYBE_InputVolumeTest DISABLED_InputVolumeTest
 #else
 #define MAYBE_InputVolumeTest InputVolumeTest
 #endif
 
 TEST_F(AudioInputVolumeTest, MAYBE_InputVolumeTest) {
-  if (!CanRunAudioTests())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(CanRunAudioTests());
 
   // Retrieve a list of all available input devices.
   AudioDeviceNames device_names;
   audio_manager_->GetAudioInputDeviceNames(&device_names);
   if (device_names.empty()) {
     LOG(WARNING) << "Could not find any available input device";
     return;
   }
 
   // Scan all available input devices and repeat the same test for all of them.
@@ skipping 55 matching lines @@
     // Restores the volume to the original value.
     ais->SetVolume(original_volume);
     current_volume = ais->GetVolume();
     EXPECT_EQ(original_volume, current_volume);
 
     ais->Close();
   }
 }
 
 }  // namespace media