text: /*
   *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #ifndef TEST_MOCK_AUDIO_DECODER_FACTORY_H_
  #define TEST_MOCK_AUDIO_DECODER_FACTORY_H_
  
  #include <memory>
  #include <vector>
  
  #include "api/audio_codecs/audio_decoder_factory.h"
  #include "api/audio_codecs/builtin_audio_decoder_factory.h"
  #include "api/scoped_refptr.h"
  #include "rtc_base/ref_counted_object.h"
  #include "test/gmock.h"
  
  namespace webrtc {
  
  class MockAudioDecoderFactory : public AudioDecoderFactory {
   public:
    MOCK_METHOD0(GetSupportedDecoders, std::vector<AudioCodecSpec>());
    MOCK_METHOD1(IsSupportedDecoder, bool(const SdpAudioFormat&));
    std::unique_ptr<AudioDecoder> MakeAudioDecoder(
        const SdpAudioFormat& format,
        absl::optional<AudioCodecPairId> codec_pair_id) {
      std::unique_ptr<AudioDecoder> return_value;
      MakeAudioDecoderMock(format, codec_pair_id, &return_value);
      return return_value;
    }
    MOCK_METHOD3(MakeAudioDecoderMock,
                 void(const SdpAudioFormat& format,
                      absl::optional<AudioCodecPairId> codec_pair_id,
                      std::unique_ptr<AudioDecoder>* return_value));
  
    // Creates a MockAudioDecoderFactory with no formats and that may not be
    // invoked to create a codec - useful for initializing a voice engine, for
    // example.
    static rtc::scoped_refptr<webrtc::MockAudioDecoderFactory>
    CreateUnusedFactory() {
      using ::testing::_;
      using ::testing::AnyNumber;
      using ::testing::Return;
  
      rtc::scoped_refptr<webrtc::MockAudioDecoderFactory> factory =
          new rtc::RefCountedObject<webrtc::MockAudioDecoderFactory>;
      ON_CALL(*factory.get(), GetSupportedDecoders())
          .WillByDefault(Return(std::vector<webrtc::AudioCodecSpec>()));
      EXPECT_CALL(*factory.get(), GetSupportedDecoders()).Times(AnyNumber());
      ON_CALL(*factory, IsSupportedDecoder(_)).WillByDefault(Return(false));
      EXPECT_CALL(*factory, IsSupportedDecoder(_)).Times(AnyNumber());
      EXPECT_CALL(*factory.get(), MakeAudioDecoderMock(_, _, _)).Times(0);
      return factory;
    }
  
    // Creates a MockAudioDecoderFactory with no formats that may be invoked to
    // create a codec any number of times. It will, though, return nullptr on each
    // call, since it supports no codecs.
    static rtc::scoped_refptr<webrtc::MockAudioDecoderFactory>
    CreateEmptyFactory() {
      using ::testing::_;
      using ::testing::AnyNumber;
      using ::testing::Return;
      using ::testing::SetArgPointee;
  
      rtc::scoped_refptr<webrtc::MockAudioDecoderFactory> factory =
          new rtc::RefCountedObject<webrtc::MockAudioDecoderFactory>;
      ON_CALL(*factory.get(), GetSupportedDecoders())
          .WillByDefault(Return(std::vector<webrtc::AudioCodecSpec>()));
      EXPECT_CALL(*factory.get(), GetSupportedDecoders()).Times(AnyNumber());
      ON_CALL(*factory, IsSupportedDecoder(_)).WillByDefault(Return(false));
      EXPECT_CALL(*factory, IsSupportedDecoder(_)).Times(AnyNumber());
      ON_CALL(*factory.get(), MakeAudioDecoderMock(_, _, _))
          .WillByDefault(SetArgPointee<2>(nullptr));
      EXPECT_CALL(*factory.get(), MakeAudioDecoderMock(_, _, _))
          .Times(AnyNumber());
      return factory;
    }
  };
  
  }  // namespace webrtc
  
  #endif  // TEST_MOCK_AUDIO_DECODER_FACTORY_H_
  