| // 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 <string> |
| #include <vector> |
| |
| #include "cobalt/speech/chunked_byte_buffer.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cobalt { |
| namespace speech { |
| |
| typedef std::vector<uint8_t> ByteVector; |
| |
| TEST(ChunkedByteBufferTest, BasicTest) { |
| ChunkedByteBuffer buffer; |
| |
| const uint8_t kChunks[] = { |
| 0x00, 0x00, 0x00, 0x04, 0x01, 0x02, 0x03, 0x04, // Chunk 1: 4 bytes |
| 0x00, 0x00, 0x00, 0x02, 0x05, 0x06, // Chunk 2: 2 bytes |
| 0x00, 0x00, 0x00, 0x01, 0x07 // Chunk 3: 1 bytes |
| }; |
| |
| EXPECT_EQ(0U, buffer.GetTotalLength()); |
| EXPECT_FALSE(buffer.HasChunks()); |
| |
| // Append partially chunk 1. |
| buffer.Append(kChunks, 2); |
| EXPECT_EQ(2U, buffer.GetTotalLength()); |
| EXPECT_FALSE(buffer.HasChunks()); |
| |
| // Complete chunk 1. |
| buffer.Append(kChunks + 2, 6); |
| EXPECT_EQ(8U, buffer.GetTotalLength()); |
| EXPECT_TRUE(buffer.HasChunks()); |
| |
| // Append fully chunk 2. |
| buffer.Append(kChunks + 8, 6); |
| EXPECT_EQ(14U, buffer.GetTotalLength()); |
| EXPECT_TRUE(buffer.HasChunks()); |
| |
| // Remove and check chunk 1. |
| scoped_ptr<ByteVector> chunk; |
| chunk = buffer.PopChunk().Pass(); |
| EXPECT_TRUE(chunk != NULL); |
| EXPECT_EQ(4U, chunk->size()); |
| EXPECT_EQ(0, std::char_traits<uint8_t>::compare(kChunks + 4, &(*chunk)[0], |
| chunk->size())); |
| EXPECT_EQ(6U, buffer.GetTotalLength()); |
| EXPECT_TRUE(buffer.HasChunks()); |
| |
| // Read and check chunk 2. |
| chunk = buffer.PopChunk().Pass(); |
| EXPECT_TRUE(chunk != NULL); |
| EXPECT_EQ(2U, chunk->size()); |
| EXPECT_EQ(0, std::char_traits<uint8_t>::compare(kChunks + 12, &(*chunk)[0], |
| chunk->size())); |
| EXPECT_EQ(0U, buffer.GetTotalLength()); |
| EXPECT_FALSE(buffer.HasChunks()); |
| |
| // Append fully chunk 3. |
| buffer.Append(kChunks + 14, 5); |
| EXPECT_EQ(5U, buffer.GetTotalLength()); |
| |
| // Remove and check chunk 3. |
| chunk = buffer.PopChunk().Pass(); |
| EXPECT_TRUE(chunk != NULL); |
| EXPECT_EQ(1U, chunk->size()); |
| EXPECT_EQ((*chunk)[0], kChunks[18]); |
| EXPECT_EQ(0U, buffer.GetTotalLength()); |
| EXPECT_FALSE(buffer.HasChunks()); |
| } |
| |
| } // namespace speech |
| } // namespace cobalt |