1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/strings/string_util.h" 6 #include "media/base/decoder_buffer.h" 7 #include "testing/gtest/include/gtest/gtest.h" 8 9 namespace media { 10 11 TEST(DecoderBufferTest, Constructors) { 12 scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(0)); 13 EXPECT_TRUE(buffer->data()); 14 EXPECT_EQ(0, buffer->data_size()); 15 EXPECT_FALSE(buffer->end_of_stream()); 16 17 const int kTestSize = 10; 18 scoped_refptr<DecoderBuffer> buffer3(new DecoderBuffer(kTestSize)); 19 ASSERT_TRUE(buffer3.get()); 20 EXPECT_EQ(kTestSize, buffer3->data_size()); 21 } 22 23 TEST(DecoderBufferTest, CreateEOSBuffer) { 24 scoped_refptr<DecoderBuffer> buffer(DecoderBuffer::CreateEOSBuffer()); 25 EXPECT_TRUE(buffer->end_of_stream()); 26 } 27 28 TEST(DecoderBufferTest, CopyFrom) { 29 const uint8 kData[] = "hello"; 30 const int kDataSize = arraysize(kData); 31 scoped_refptr<DecoderBuffer> buffer2(DecoderBuffer::CopyFrom( 32 reinterpret_cast<const uint8*>(&kData), kDataSize)); 33 ASSERT_TRUE(buffer2.get()); 34 EXPECT_NE(kData, buffer2->data()); 35 EXPECT_EQ(buffer2->data_size(), kDataSize); 36 EXPECT_EQ(0, memcmp(buffer2->data(), kData, kDataSize)); 37 EXPECT_FALSE(buffer2->end_of_stream()); 38 scoped_refptr<DecoderBuffer> buffer3(DecoderBuffer::CopyFrom( 39 reinterpret_cast<const uint8*>(&kData), kDataSize, 40 reinterpret_cast<const uint8*>(&kData), kDataSize)); 41 ASSERT_TRUE(buffer3.get()); 42 EXPECT_NE(kData, buffer3->data()); 43 EXPECT_EQ(buffer3->data_size(), kDataSize); 44 EXPECT_EQ(0, memcmp(buffer3->data(), kData, kDataSize)); 45 EXPECT_NE(kData, buffer3->side_data()); 46 EXPECT_EQ(buffer3->side_data_size(), kDataSize); 47 EXPECT_EQ(0, memcmp(buffer3->side_data(), kData, kDataSize)); 48 EXPECT_FALSE(buffer3->end_of_stream()); 49 } 50 51 #if !defined(OS_ANDROID) 52 TEST(DecoderBufferTest, PaddingAlignment) { 53 const uint8 kData[] = "hello"; 54 const int kDataSize = arraysize(kData); 55 scoped_refptr<DecoderBuffer> buffer2(DecoderBuffer::CopyFrom( 56 reinterpret_cast<const uint8*>(&kData), kDataSize)); 57 ASSERT_TRUE(buffer2.get()); 58 59 // Padding data should always be zeroed. 60 for(int i = 0; i < DecoderBuffer::kPaddingSize; i++) 61 EXPECT_EQ((buffer2->data() + kDataSize)[i], 0); 62 63 // If the data is padded correctly we should be able to read and write past 64 // the end of the data by DecoderBuffer::kPaddingSize bytes without crashing 65 // or Valgrind/ASAN throwing errors. 66 const uint8 kFillChar = 0xFF; 67 memset( 68 buffer2->writable_data() + kDataSize, kFillChar, 69 DecoderBuffer::kPaddingSize); 70 for(int i = 0; i < DecoderBuffer::kPaddingSize; i++) 71 EXPECT_EQ((buffer2->data() + kDataSize)[i], kFillChar); 72 73 EXPECT_EQ(0u, reinterpret_cast<uintptr_t>( 74 buffer2->data()) & (DecoderBuffer::kAlignmentSize - 1)); 75 } 76 #endif 77 78 TEST(DecoderBufferTest, ReadingWriting) { 79 const char kData[] = "hello"; 80 const int kDataSize = arraysize(kData); 81 82 scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(kDataSize)); 83 ASSERT_TRUE(buffer.get()); 84 85 uint8* data = buffer->writable_data(); 86 ASSERT_TRUE(data); 87 ASSERT_EQ(kDataSize, buffer->data_size()); 88 memcpy(data, kData, kDataSize); 89 const uint8* read_only_data = buffer->data(); 90 ASSERT_EQ(data, read_only_data); 91 ASSERT_EQ(0, memcmp(read_only_data, kData, kDataSize)); 92 EXPECT_FALSE(buffer->end_of_stream()); 93 } 94 95 TEST(DecoderBufferTest, GetDecryptConfig) { 96 scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(0)); 97 EXPECT_FALSE(buffer->decrypt_config()); 98 } 99 100 } // namespace media 101
