Index: chromecast/media/audio/cast_audio_manager_factory_test.cc |
diff --git a/chromecast/media/audio/cast_audio_manager_factory_test.cc b/chromecast/media/audio/cast_audio_manager_factory_test.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d5dff71a48e024cf0c7bc8c93151061b309060b3 |
--- /dev/null |
+++ b/chromecast/media/audio/cast_audio_manager_factory_test.cc |
@@ -0,0 +1,109 @@ |
+// Copyright 2015 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 <string> |
halliwell
2015/04/24 15:04:47
insert blank line
slan
2015/04/24 16:19:38
Done.
|
+#include "chromecast/media/audio/cast_audio_manager_factory.h" |
+#include "chromecast/public/cast_audio_output_device.h" |
+#include "media/audio/audio_manager.h" |
+#include "testing/gmock/include/gmock/gmock.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace chromecast { |
+namespace { |
+ |
+// Testing constants. |
+const int kTestBitDepth = 16; |
+const auto kTestChannelLayout = media::ChannelLayout::CHANNEL_LAYOUT_STEREO; |
+const char kTestDeviceId[] = "test_device_id"; |
+const int kTestFramesPerBuffer = 1024; |
+const int kTestSampleRate = 48000; |
+ |
+// Mock for CastAudioOutputDevice. |
+class MockCastAudioOutputDevice : public chromecast::CastAudioOutputDevice { |
+ public: |
+ MockCastAudioOutputDevice() {} |
+ virtual ~MockCastAudioOutputDevice() {} |
+ |
+ MOCK_CONST_METHOD0(GetMaximumOutputStreamsAllowed, int()); |
+ MOCK_CONST_METHOD1(GetPreferredOutputStreamParameters, |
+ AudioParameters(const AudioParameters&)); |
+ MOCK_METHOD1(MakeOutputStream, |
+ CastAudioOutputStream*(const AudioParameters&)); |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(MockCastAudioOutputDevice); |
+}; |
+ |
+// This test verifies that passing a CastAudioManagerFactory to |
+// media::AudioManager::SetFactory passes requests for audio stream creation |
+// to the underlying CastAudioOutputDevice, in this case a mock. It is |
+// intended to provide code coverage for CastAudioManagerFactory, but does not |
+// provide full coverage for CastAudioManager. |
+class CastAudioManagerFactoryTest : public testing::Test { |
+ protected: |
+ CastAudioManagerFactoryTest() : audio_manager_(nullptr) {} |
+ ~CastAudioManagerFactoryTest() override {} |
+ |
+ void SetUp() override { |
+ // Set defaults for AudioParameters object. |
+ testing::DefaultValue<chromecast::AudioParameters>::Set( |
+ chromecast::AudioParameters()); |
+ |
+ // Set the factory. The factory must be reset in TearDown() |
+ media::AudioManager::SetFactory( |
+ new CastAudioManagerFactory(&mock_audio_output_device_)); |
+ |
+ // Create the AudioManager instance and verify it. |
+ EXPECT_CALL(mock_audio_output_device_, GetMaximumOutputStreamsAllowed()) |
+ .WillOnce(testing::Return(1)); |
+ audio_manager_.reset(media::AudioManager::CreateForTesting()); |
+ ASSERT_NE(nullptr, audio_manager_.get()); |
+ } |
+ |
+ void TearDown() override { |
+ // This is crucial to not persisting state to other tests on the same gtest |
+ // process. All other class members will destruct when this class destructs. |
+ media::AudioManager::ResetFactoryForTesting(); |
+ } |
+ |
+ testing::StrictMock<MockCastAudioOutputDevice> mock_audio_output_device_; |
+ scoped_ptr<media::AudioManager> audio_manager_; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(CastAudioManagerFactoryTest); |
+}; |
+ |
+// Verifies that the default output stream parameters are obtained from the |
+// provided CastAudioOutputDevice instance. |
+TEST_F(CastAudioManagerFactoryTest, GetPreferredOutputStreamParameters) { |
+ EXPECT_CALL(mock_audio_output_device_, |
+ GetPreferredOutputStreamParameters(testing::_)); |
+ audio_manager_->GetDefaultOutputStreamParameters(); |
+} |
+ |
+// Verifies that creating a linear output stream invokes MakeOutputStream in |
+// the provided CastAudioOutputDevice instance. |
+TEST_F(CastAudioManagerFactoryTest, MakeLinearOutputStream) { |
+ media::AudioParameters params(media::AudioParameters::AUDIO_PCM_LINEAR, |
+ kTestChannelLayout, kTestSampleRate, |
+ kTestBitDepth, kTestFramesPerBuffer); |
+ EXPECT_CALL(mock_audio_output_device_, MakeOutputStream(testing::_)); |
+ |
+ // Note that the empty string must be passed in to select the default device. |
+ audio_manager_->MakeAudioOutputStream(params, ""); |
+} |
+ |
+// Verifies that creating a low-latency output stream invokes MakeOutputStream |
+// in |
+// the provided CastAudioOutputDevice instance. |
+TEST_F(CastAudioManagerFactoryTest, MakeLowLatencyOutputStream) { |
+ media::AudioParameters params(media::AudioParameters::AUDIO_PCM_LOW_LATENCY, |
+ kTestChannelLayout, kTestSampleRate, |
+ kTestBitDepth, kTestFramesPerBuffer); |
+ EXPECT_CALL(mock_audio_output_device_, MakeOutputStream(testing::_)); |
+ audio_manager_->MakeAudioOutputStream(params, kTestDeviceId); |
+} |
+ |
+} // namespace |
+} // namespace chromecast |