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

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 "base/basictypes.h"
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/synchronization/lock.h"
 #include "base/test/test_timeouts.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_manager_base.h"
+#include "media/audio/audio_unittest_utils.h"
 #include "media/audio/fake_audio_log_factory.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)
@@ skipping 81 matching lines @@
 // Test fixture class.
 class AudioLowLatencyInputOutputTest : public testing::Test {
  protected:
   AudioLowLatencyInputOutputTest() {}
 
   ~AudioLowLatencyInputOutputTest() override {}
 
   AudioManager* audio_manager() { return &mock_audio_manager_; }
   base::MessageLoopForUI* message_loop() { return &message_loop_; }
 
-  // Convenience method which ensures that we are not running on the build
-  // bots and that at least one valid input and output device can be found.
-  bool CanRunAudioTests() {
-    bool input = audio_manager()->HasAudioInputDevices();
-    bool output = audio_manager()->HasAudioOutputDevices();
-    LOG_IF(WARNING, !input) << "No input device detected.";
-    LOG_IF(WARNING, !output) << "No output device detected.";
-    return input && output;
-  }
-
  private:
   base::MessageLoopForUI message_loop_;
   MockAudioManager mock_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
@@ skipping 240 matching lines @@
 // MATLAB example:
 //   D=load('audio_delay_values_ms.txt');
 //   x=cumsum(D(:,1));
 //   plot(x, D(:,2), x, D(:,3), x, D(:,4), x, D(:,2)+D(:,3)+D(:,4));
 //   axis([0, max(x), 0, max(D(:,2)+D(:,3)+D(:,4))+10]);
 //   legend('buffer delay','input delay','output delay','total delay');
 //   xlabel('time [msec]')
 //   ylabel('delay [msec]')
 //   title('Full-duplex audio delay measurement');
 TEST_F(AudioLowLatencyInputOutputTest, DISABLED_FullDuplexDelayMeasurement) {
-  if (!CanRunAudioTests())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(audio_manager()->HasAudioInputDevices() &&
+                        audio_manager()->HasAudioOutputDevices());
 
   AudioInputStreamWrapper aisw(audio_manager());
   AudioInputStream* ais = aisw.Create();
   EXPECT_TRUE(ais);
 
   AudioOutputStreamWrapper aosw(audio_manager());
   AudioOutputStream* aos = aosw.Create();
   EXPECT_TRUE(aos);
 
   // This test only supports identical parameters in both directions.
@@ skipping 37 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