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// 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 "base/memory/scoped_ptr.h"
#include "media/audio/audio_manager.h"
#include "media/audio/audio_manager_factory.h"
#include "media/audio/fake_audio_log_factory.h"
#include "media/audio/fake_audio_manager.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
namespace {
class FakeAudioManagerFactory : public AudioManagerFactory {
public:
FakeAudioManagerFactory() {}
~FakeAudioManagerFactory() override {}
AudioManager* CreateInstance(AudioLogFactory* audio_log_factory) override {
// |created_instance_| is used for verifying. Ownership is transferred to
// caller.
created_instance_ = new FakeAudioManager(audio_log_factory);
return created_instance_;
}
AudioManager* created_instance() { return created_instance_; }
private:
AudioManager* created_instance_;
};
} // namespace
// Verifies that SetFactory has the intended effect.
TEST(AudioManagerFactoryTest, CreateInstance) {
// Create an audio manager and verify that it is not null.
scoped_ptr<AudioManager> manager(AudioManager::CreateForTesting());
ASSERT_NE(nullptr, manager.get());
manager.reset();
// Set the factory. Note that ownership of |factory| is transferred to
// AudioManager.
FakeAudioManagerFactory* factory = new FakeAudioManagerFactory();
AudioManager::SetFactory(factory);
// Create the AudioManager instance. Verify that it matches the instance
// provided by the factory.
manager.reset(AudioManager::CreateForTesting());
ASSERT_NE(nullptr, manager.get());
ASSERT_EQ(factory->created_instance(), manager.get());
// Reset AudioManagerFactory to prevent factory from persisting to other
// tests on the same process. |manager| will reset when scope exits.
AudioManager::ResetFactoryForTesting();
}
} // namespace media
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