decrypting_audio_decoder_unittest.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/filters/decrypting_audio_decoder.h"

#include <stdint.h>

#include <string>
#include <vector>

#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/run_loop.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/gmock_move_support.h"
#include "base/test/task_environment.h"
#include "media/base/audio_buffer.h"
#include "media/base/decoder_buffer.h"
#include "media/base/decrypt_config.h"
#include "media/base/media_util.h"
#include "media/base/mock_filters.h"
#include "media/base/mock_media_log.h"
#include "media/base/test_helpers.h"
#include "media/base/timestamp_constants.h"
#include "testing/gmock/include/gmock/gmock.h"

RunOnceCallback;
_;
AtMost;
HasSubstr;
Return;
StrictMock;

namespace media {

const int kSampleRate = …;

// Make sure the kFakeAudioFrameSize is a valid frame size for all audio decoder
// configs used in this test.
const int kFakeAudioFrameSize = …;
const int kDecodingDelay = …;

class DecryptingAudioDecoderTest : public testing::Test { … };

TEST_F(DecryptingAudioDecoderTest, Initialize_Normal) { … }

// Ensure decoder handles invalid audio configs without crashing.
TEST_F(DecryptingAudioDecoderTest, Initialize_InvalidAudioConfig) { … }

// Ensure decoder handles unsupported audio configs without crashing.
TEST_F(DecryptingAudioDecoderTest, Initialize_UnsupportedAudioConfig) { … }

TEST_F(DecryptingAudioDecoderTest, Initialize_CdmWithoutDecryptor) { … }

// Test normal decrypt and decode case.
TEST_F(DecryptingAudioDecoderTest, DecryptAndDecode_Normal) { … }

// Test the case where the decryptor errors for mismatched subsamples
TEST_F(DecryptingAudioDecoderTest, DecryptAndDecode_SubsampleError) { … }

// Test the case where the decryptor returns error when doing decrypt and
// decode.
TEST_F(DecryptingAudioDecoderTest, DecryptAndDecode_DecodeError) { … }

// Test the case where the decryptor returns multiple decoded frames.
TEST_F(DecryptingAudioDecoderTest, DecryptAndDecode_MultipleFrames) { … }

// Test the case where the decryptor receives end-of-stream buffer.
TEST_F(DecryptingAudioDecoderTest, DecryptAndDecode_EndOfStream) { … }

// Test reinitializing decode with a new encrypted config.
TEST_F(DecryptingAudioDecoderTest, Reinitialize_EncryptedToEncrypted) { … }

// Test reinitializing decode with a new clear config.
TEST_F(DecryptingAudioDecoderTest, Reinitialize_EncryptedToClear) { … }

// Test the case where the a key is added when the decryptor is in
// kWaitingForKey state.
TEST_F(DecryptingAudioDecoderTest, KeyAdded_DuringWaitingForKey) { … }

// Test the case where the a key is added when the decryptor is in
// kPendingDecode state.
TEST_F(DecryptingAudioDecoderTest, KeyAdded_DuringPendingDecode) { … }

// Test resetting when the decoder is in kIdle state but has not decoded any
// frame.
TEST_F(DecryptingAudioDecoderTest, Reset_DuringIdleAfterInitialization) { … }

// Test resetting when the decoder is in kIdle state after it has decoded one
// frame.
TEST_F(DecryptingAudioDecoderTest, Reset_DuringIdleAfterDecodedOneFrame) { … }

// Test resetting when the decoder is in kPendingDecode state.
TEST_F(DecryptingAudioDecoderTest, Reset_DuringPendingDecode) { … }

// Test resetting when the decoder is in kWaitingForKey state.
TEST_F(DecryptingAudioDecoderTest, Reset_DuringWaitingForKey) { … }

// Test resetting when the decoder has hit end of stream and is in
// kDecodeFinished state.
TEST_F(DecryptingAudioDecoderTest, Reset_AfterDecodeFinished) { … }

// Test resetting after the decoder has been reset.
TEST_F(DecryptingAudioDecoderTest, Reset_AfterReset) { … }

}  // namespace media
chromium/media/filters/decrypting_audio_decoder_unittest.cc
