chromium/media/filters/decrypting_demuxer_stream_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_demuxer_stream.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/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 "testing/gmock/include/gmock/gmock.h"

RunCallback;
RunOnceCallback;
RunOnceCallbackRepeatedly;
_;
HasSubstr;
InSequence;
Invoke;
InvokeWithoutArgs;
Return;
SaveArg;
StrictMock;
WithArg;

namespace media {

static const int kFakeBufferSize = …;
static const uint8_t kFakeKeyId[] = …;
static const uint8_t kFakeIv[DecryptConfig::kDecryptionKeySize] = …;

// Create a fake non-empty buffer in an encrypted stream. When |is_clear| is
// true, the buffer is not encrypted (signaled by an empty IV).
static scoped_refptr<DecoderBuffer> CreateFakeEncryptedStreamBuffer(
    bool is_clear) { … }

// Use anonymous namespace here to prevent the actions to be defined multiple
// times across multiple test files. Sadly we can't use static for them.
namespace {

ACTION_P(ReturnBuffer, buffer) { … }

}  // namespace

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

TEST_F(DecryptingDemuxerStreamTest, Initialize_NormalAudio) { … }

TEST_F(DecryptingDemuxerStreamTest, Initialize_NormalVideo) { … }

TEST_F(DecryptingDemuxerStreamTest, Initialize_CdmWithoutDecryptor) { … }

// Test normal read case where the buffer is encrypted.
TEST_F(DecryptingDemuxerStreamTest, Read_Normal) { … }

// Test normal read case where the buffer is clear.
TEST_F(DecryptingDemuxerStreamTest, Read_ClearBufferInEncryptedStream) { … }

TEST_F(DecryptingDemuxerStreamTest, Read_ClearBufferInClearStream) { … }

// Test the case where the decryptor returns error during read.
TEST_F(DecryptingDemuxerStreamTest, Read_DecryptError) { … }

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

// Test the case where the decryptor returns kNeedMoreData during read.
TEST_F(DecryptingDemuxerStreamTest, Read_DecryptNeedMoreData) { … }

// Test the case where the input is an end-of-stream buffer.
TEST_F(DecryptingDemuxerStreamTest, Read_EndOfStream) { … }

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

// Test the case where the a key is added when the decryptor is in
// kPendingDecrypt state.
TEST_F(DecryptingDemuxerStreamTest, KeyAdded_DuringPendingDecrypt) { … }

// Test resetting in kIdle state but has not returned any buffer.
TEST_F(DecryptingDemuxerStreamTest, Reset_DuringIdleAfterInitialization) { … }

// Test resetting in kIdle state after having returned one buffer.
TEST_F(DecryptingDemuxerStreamTest, Reset_DuringIdleAfterReadOneBuffer) { … }

// Test resetting in kPendingDemuxerRead state.
TEST_F(DecryptingDemuxerStreamTest, Reset_DuringPendingDemuxerRead) { … }

// Test resetting in kPendingDecrypt state.
TEST_F(DecryptingDemuxerStreamTest, Reset_DuringPendingDecrypt) { … }

// Test resetting in kWaitingForKey state.
TEST_F(DecryptingDemuxerStreamTest, Reset_DuringWaitingForKey) { … }

// Test resetting after reset.
TEST_F(DecryptingDemuxerStreamTest, Reset_AfterReset) { … }

// Test aborted read on the demuxer stream.
TEST_F(DecryptingDemuxerStreamTest, DemuxerRead_Aborted) { … }

// Test resetting when waiting for an aborted read.
TEST_F(DecryptingDemuxerStreamTest, Reset_DuringAbortedDemuxerRead) { … }

// Test config change on the input demuxer stream.
TEST_F(DecryptingDemuxerStreamTest, DemuxerRead_ConfigChanged) { … }

// Test resetting when waiting for a config changed read.
TEST_F(DecryptingDemuxerStreamTest, Reset_DuringConfigChangedDemuxerRead) { … }

// The following tests test destruction in various scenarios. The destruction
// happens in DecryptingDemuxerStreamTest's dtor.

// Test destruction in kIdle state but has not returned any buffer.
TEST_F(DecryptingDemuxerStreamTest, Destroy_DuringIdleAfterInitialization) { … }

// Test destruction in kIdle state after having returned one buffer.
TEST_F(DecryptingDemuxerStreamTest, Destroy_DuringIdleAfterReadOneBuffer) { … }

// Test destruction in kPendingDemuxerRead state.
TEST_F(DecryptingDemuxerStreamTest, Destroy_DuringPendingDemuxerRead) { … }

// Test destruction in kPendingDecrypt state.
TEST_F(DecryptingDemuxerStreamTest, Destroy_DuringPendingDecrypt) { … }

// Test destruction in kWaitingForKey state.
TEST_F(DecryptingDemuxerStreamTest, Destroy_DuringWaitingForKey) { … }

// Test destruction after reset.
TEST_F(DecryptingDemuxerStreamTest, Destroy_AfterReset) { … }

}  // namespace media