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// Copyright (c) 2012 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 "media/base/decoder_buffer.h"
#include <stdint.h>
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/strings/string_util.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
TEST(DecoderBufferTest, Constructors) {
scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(0));
EXPECT_TRUE(buffer->data());
EXPECT_EQ(0u, buffer->data_size());
EXPECT_FALSE(buffer->end_of_stream());
EXPECT_FALSE(buffer->is_key_frame());
const size_t kTestSize = 10;
scoped_refptr<DecoderBuffer> buffer3(new DecoderBuffer(kTestSize));
ASSERT_TRUE(buffer3.get());
EXPECT_EQ(kTestSize, buffer3->data_size());
}
TEST(DecoderBufferTest, CreateEOSBuffer) {
scoped_refptr<DecoderBuffer> buffer(DecoderBuffer::CreateEOSBuffer());
EXPECT_TRUE(buffer->end_of_stream());
}
TEST(DecoderBufferTest, CopyFrom) {
const uint8_t kData[] = "hello";
const size_t kDataSize = arraysize(kData);
scoped_refptr<DecoderBuffer> buffer2(DecoderBuffer::CopyFrom(
reinterpret_cast<const uint8_t*>(&kData), kDataSize));
ASSERT_TRUE(buffer2.get());
EXPECT_NE(kData, buffer2->data());
EXPECT_EQ(buffer2->data_size(), kDataSize);
EXPECT_EQ(0, memcmp(buffer2->data(), kData, kDataSize));
EXPECT_FALSE(buffer2->end_of_stream());
EXPECT_FALSE(buffer2->is_key_frame());
scoped_refptr<DecoderBuffer> buffer3(DecoderBuffer::CopyFrom(
reinterpret_cast<const uint8_t*>(&kData), kDataSize,
reinterpret_cast<const uint8_t*>(&kData), kDataSize));
ASSERT_TRUE(buffer3.get());
EXPECT_NE(kData, buffer3->data());
EXPECT_EQ(buffer3->data_size(), kDataSize);
EXPECT_EQ(0, memcmp(buffer3->data(), kData, kDataSize));
EXPECT_NE(kData, buffer3->side_data());
EXPECT_EQ(buffer3->side_data_size(), kDataSize);
EXPECT_EQ(0, memcmp(buffer3->side_data(), kData, kDataSize));
EXPECT_FALSE(buffer3->end_of_stream());
EXPECT_FALSE(buffer3->is_key_frame());
}
#if !defined(OS_ANDROID)
TEST(DecoderBufferTest, PaddingAlignment) {
const uint8_t kData[] = "hello";
const size_t kDataSize = arraysize(kData);
scoped_refptr<DecoderBuffer> buffer2(DecoderBuffer::CopyFrom(
reinterpret_cast<const uint8_t*>(&kData), kDataSize));
ASSERT_TRUE(buffer2.get());
// Padding data should always be zeroed.
for(int i = 0; i < DecoderBuffer::kPaddingSize; i++)
EXPECT_EQ((buffer2->data() + kDataSize)[i], 0);
// If the data is padded correctly we should be able to read and write past
// the end of the data by DecoderBuffer::kPaddingSize bytes without crashing
// or Valgrind/ASAN throwing errors.
const uint8_t kFillChar = 0xFF;
memset(
buffer2->writable_data() + kDataSize, kFillChar,
DecoderBuffer::kPaddingSize);
for(int i = 0; i < DecoderBuffer::kPaddingSize; i++)
EXPECT_EQ((buffer2->data() + kDataSize)[i], kFillChar);
EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(
buffer2->data()) & (DecoderBuffer::kAlignmentSize - 1));
EXPECT_FALSE(buffer2->is_key_frame());
}
#endif
TEST(DecoderBufferTest, ReadingWriting) {
const char kData[] = "hello";
const size_t kDataSize = arraysize(kData);
scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(kDataSize));
ASSERT_TRUE(buffer.get());
uint8_t* data = buffer->writable_data();
ASSERT_TRUE(data);
ASSERT_EQ(kDataSize, buffer->data_size());
memcpy(data, kData, kDataSize);
const uint8_t* read_only_data = buffer->data();
ASSERT_EQ(data, read_only_data);
ASSERT_EQ(0, memcmp(read_only_data, kData, kDataSize));
EXPECT_FALSE(buffer->end_of_stream());
}
TEST(DecoderBufferTest, DecryptConfig) {
scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(0));
EXPECT_FALSE(buffer->decrypt_config());
const char kKeyId[] = "key id";
const char kIv[] = "0123456789abcdef";
std::vector<SubsampleEntry> subsamples;
subsamples.push_back(SubsampleEntry(10, 5));
subsamples.push_back(SubsampleEntry(15, 7));
DecryptConfig decrypt_config(kKeyId, kIv, subsamples);
buffer->set_decrypt_config(
base::MakeUnique<DecryptConfig>(kKeyId, kIv, subsamples));
EXPECT_TRUE(buffer->decrypt_config());
EXPECT_TRUE(buffer->decrypt_config()->Matches(decrypt_config));
}
TEST(DecoderBufferTest, IsKeyFrame) {
scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(0));
EXPECT_FALSE(buffer->is_key_frame());
buffer->set_is_key_frame(false);
EXPECT_FALSE(buffer->is_key_frame());
buffer->set_is_key_frame(true);
EXPECT_TRUE(buffer->is_key_frame());
}
} // namespace media
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