Renderer side audio device change wip...

content/renderer/media/audio_renderer_mixer_manager_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/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/renderer/media/audio_renderer_mixer_manager.h"
+#include "media/base/audio_hardware_config.h"
 #include "media/base/audio_renderer_mixer.h"
 #include "media/base/audio_renderer_mixer_input.h"
 #include "media/base/fake_audio_render_callback.h"
 #include "media/base/mock_audio_renderer_sink.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 static const int kBitsPerChannel = 16;
 static const int kSampleRate = 48000;
 static const int kBufferSize = 8192;
 static const media::ChannelLayout kChannelLayout = media::CHANNEL_LAYOUT_STEREO;
 
 static const int kRenderViewId = 123;
 static const int kAnotherRenderViewId = 456;
 
+class FakeAudioHardwareConfig : public media::AudioHardwareConfig {
+ public:
+  FakeAudioHardwareConfig() {}
+  virtual ~FakeAudioHardwareConfig() {}
+
+  virtual int GetOutputBufferSize() { return kBufferSize; }
+  virtual int GetOutputSampleRate() { return kSampleRate; }
+
+  virtual int GetInputSampleRate() {
+    NOTIMPLEMENTED();
+    return 0;
+  }
+
+  virtual media::ChannelLayout GetInputChannelLayout() {
+    NOTIMPLEMENTED();
+    return media::CHANNEL_LAYOUT_NONE;
+  }
+};
+
 class AudioRendererMixerManagerTest : public testing::Test {
  public:
   AudioRendererMixerManagerTest() {
-    manager_.reset(new AudioRendererMixerManager(kSampleRate, kBufferSize));
+    manager_.reset(new AudioRendererMixerManager(&fake_config_));
 
     // We don't want to deal with instantiating a real AudioOutputDevice since
     // it's not important to our testing, so we inject a mock.
     mock_sink_ = new media::MockAudioRendererSink();
     manager_->SetAudioRendererSinkForTesting(mock_sink_);
   }
 
   media::AudioRendererMixer* GetMixer(int source_render_view_id,
                                       const media::AudioParameters& params) {
     return manager_->GetMixer(source_render_view_id, params);
   }
 
   void RemoveMixer(int source_render_view_id,
                    const media::AudioParameters& params) {
     return manager_->RemoveMixer(source_render_view_id, params);
   }
 
   // Number of instantiated mixers.
   int mixer_count() {
     return manager_->mixers_.size();
   }
 
  protected:
+  FakeAudioHardwareConfig fake_config_;
   scoped_ptr<AudioRendererMixerManager> manager_;
   scoped_refptr<media::MockAudioRendererSink> mock_sink_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererMixerManagerTest);
 };
 
 // Verify GetMixer() and RemoveMixer() both work as expected; particularly with
 // respect to the explicit ref counting done.
 TEST_F(AudioRendererMixerManagerTest, GetRemoveMixer) {
   // Since we're testing two different sets of parameters, we expect
@@ skipping 70 matching lines @@
   EXPECT_EQ(mixer_count(), 2);
 
   // Destroying the inputs should destroy the mixers.
   input = NULL;
   EXPECT_EQ(mixer_count(), 1);
   another_input = NULL;
   EXPECT_EQ(mixer_count(), 0);
 }
 
 }  // namespace content