henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 11 | #include "rtc_base/byte_buffer.h" |
Yves Gerey | 3e70781 | 2018-11-28 15:47:49 | [diff] [blame] | 12 | |
| 13 | #include <string.h> |
| 14 | |
Per K | cf2e08b | 2023-11-17 09:05:36 | [diff] [blame] | 15 | #include <cstdint> |
| 16 | |
Mirko Bonadei | 92ea95e | 2017-09-15 04:47:31 | [diff] [blame] | 17 | #include "rtc_base/arraysize.h" |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 18 | #include "rtc_base/byte_order.h" |
Harald Alvestrand | 776fe6d | 2023-12-11 21:38:51 | [diff] [blame] | 19 | #include "test/gmock.h" |
Yves Gerey | 3e70781 | 2018-11-28 15:47:49 | [diff] [blame] | 20 | #include "test/gtest.h" |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 21 | |
| 22 | namespace rtc { |
| 23 | |
Harald Alvestrand | 776fe6d | 2023-12-11 21:38:51 | [diff] [blame] | 24 | using ::testing::ElementsAre; |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 25 | using ::testing::ElementsAreArray; |
Harald Alvestrand | 776fe6d | 2023-12-11 21:38:51 | [diff] [blame] | 26 | |
| 27 | TEST(ByteBufferTest, WriterAccessors) { |
| 28 | // To be changed into ByteBufferWriter when base type is converted. |
| 29 | ByteBufferWriterT<BufferT<uint8_t>> buffer; |
| 30 | buffer.WriteString("abc"); |
| 31 | EXPECT_EQ(buffer.Length(), 3U); |
| 32 | EXPECT_THAT(buffer.DataView(), ElementsAre('a', 'b', 'c')); |
| 33 | EXPECT_EQ(absl::string_view("abc"), buffer.DataAsStringView()); |
| 34 | |
| 35 | buffer.WriteUInt8(0); |
| 36 | EXPECT_STREQ(buffer.DataAsCharPointer(), "abc"); |
| 37 | EXPECT_STREQ(reinterpret_cast<const char*>(buffer.Data()), "abc"); |
| 38 | } |
| 39 | |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 40 | TEST(ByteBufferTest, TestByteOrder) { |
Peter Boström | 0c4e06b | 2015-10-07 10:23:21 | [diff] [blame] | 41 | uint16_t n16 = 1; |
| 42 | uint32_t n32 = 1; |
| 43 | uint64_t n64 = 1; |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 44 | |
| 45 | EXPECT_EQ(n16, NetworkToHost16(HostToNetwork16(n16))); |
| 46 | EXPECT_EQ(n32, NetworkToHost32(HostToNetwork32(n32))); |
| 47 | EXPECT_EQ(n64, NetworkToHost64(HostToNetwork64(n64))); |
| 48 | |
| 49 | if (IsHostBigEndian()) { |
| 50 | // The host is the network (big) endian. |
| 51 | EXPECT_EQ(n16, HostToNetwork16(n16)); |
| 52 | EXPECT_EQ(n32, HostToNetwork32(n32)); |
| 53 | EXPECT_EQ(n64, HostToNetwork64(n64)); |
| 54 | |
| 55 | // GetBE converts big endian to little endian here. |
| 56 | EXPECT_EQ(n16 >> 8, GetBE16(&n16)); |
| 57 | EXPECT_EQ(n32 >> 24, GetBE32(&n32)); |
| 58 | EXPECT_EQ(n64 >> 56, GetBE64(&n64)); |
| 59 | } else { |
| 60 | // The host is little endian. |
| 61 | EXPECT_NE(n16, HostToNetwork16(n16)); |
| 62 | EXPECT_NE(n32, HostToNetwork32(n32)); |
| 63 | EXPECT_NE(n64, HostToNetwork64(n64)); |
| 64 | |
| 65 | // GetBE converts little endian to big endian here. |
| 66 | EXPECT_EQ(GetBE16(&n16), HostToNetwork16(n16)); |
| 67 | EXPECT_EQ(GetBE32(&n32), HostToNetwork32(n32)); |
| 68 | EXPECT_EQ(GetBE64(&n64), HostToNetwork64(n64)); |
| 69 | |
| 70 | // GetBE converts little endian to big endian here. |
| 71 | EXPECT_EQ(n16 << 8, GetBE16(&n16)); |
| 72 | EXPECT_EQ(n32 << 24, GetBE32(&n32)); |
| 73 | EXPECT_EQ(n64 << 56, GetBE64(&n64)); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | TEST(ByteBufferTest, TestBufferLength) { |
jbauch | f1f8720 | 2016-03-30 13:43:37 | [diff] [blame] | 78 | ByteBufferWriter buffer; |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 79 | size_t size = 0; |
| 80 | EXPECT_EQ(size, buffer.Length()); |
| 81 | |
| 82 | buffer.WriteUInt8(1); |
| 83 | ++size; |
| 84 | EXPECT_EQ(size, buffer.Length()); |
| 85 | |
| 86 | buffer.WriteUInt16(1); |
| 87 | size += 2; |
| 88 | EXPECT_EQ(size, buffer.Length()); |
| 89 | |
| 90 | buffer.WriteUInt24(1); |
| 91 | size += 3; |
| 92 | EXPECT_EQ(size, buffer.Length()); |
| 93 | |
| 94 | buffer.WriteUInt32(1); |
| 95 | size += 4; |
| 96 | EXPECT_EQ(size, buffer.Length()); |
| 97 | |
| 98 | buffer.WriteUInt64(1); |
| 99 | size += 8; |
| 100 | EXPECT_EQ(size, buffer.Length()); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | TEST(ByteBufferTest, TestReadWriteBuffer) { |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 104 | ByteBufferWriter buffer; |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 105 | ByteBufferReader read_buf(rtc::ArrayView<const uint8_t>(nullptr, 0)); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 106 | uint8_t ru8; |
| 107 | EXPECT_FALSE(read_buf.ReadUInt8(&ru8)); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 108 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 109 | // Write and read uint8_t. |
| 110 | uint8_t wu8 = 1; |
| 111 | buffer.WriteUInt8(wu8); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 112 | ByteBufferReader read_buf1(buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 113 | EXPECT_TRUE(read_buf1.ReadUInt8(&ru8)); |
| 114 | EXPECT_EQ(wu8, ru8); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 115 | EXPECT_EQ(read_buf1.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 116 | buffer.Clear(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 117 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 118 | // Write and read uint16_t. |
| 119 | uint16_t wu16 = (1 << 8) + 1; |
| 120 | buffer.WriteUInt16(wu16); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 121 | ByteBufferReader read_buf2(buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 122 | uint16_t ru16; |
| 123 | EXPECT_TRUE(read_buf2.ReadUInt16(&ru16)); |
| 124 | EXPECT_EQ(wu16, ru16); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 125 | EXPECT_EQ(read_buf2.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 126 | buffer.Clear(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 127 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 128 | // Write and read uint24. |
| 129 | uint32_t wu24 = (3 << 16) + (2 << 8) + 1; |
| 130 | buffer.WriteUInt24(wu24); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 131 | ByteBufferReader read_buf3(buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 132 | uint32_t ru24; |
| 133 | EXPECT_TRUE(read_buf3.ReadUInt24(&ru24)); |
| 134 | EXPECT_EQ(wu24, ru24); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 135 | EXPECT_EQ(read_buf3.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 136 | buffer.Clear(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 137 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 138 | // Write and read uint32_t. |
| 139 | uint32_t wu32 = (4 << 24) + (3 << 16) + (2 << 8) + 1; |
| 140 | buffer.WriteUInt32(wu32); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 141 | ByteBufferReader read_buf4(buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 142 | uint32_t ru32; |
| 143 | EXPECT_TRUE(read_buf4.ReadUInt32(&ru32)); |
| 144 | EXPECT_EQ(wu32, ru32); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 145 | EXPECT_EQ(read_buf3.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 146 | buffer.Clear(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 147 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 148 | // Write and read uint64_t. |
| 149 | uint32_t another32 = (8 << 24) + (7 << 16) + (6 << 8) + 5; |
| 150 | uint64_t wu64 = (static_cast<uint64_t>(another32) << 32) + wu32; |
| 151 | buffer.WriteUInt64(wu64); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 152 | ByteBufferReader read_buf5(buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 153 | uint64_t ru64; |
| 154 | EXPECT_TRUE(read_buf5.ReadUInt64(&ru64)); |
| 155 | EXPECT_EQ(wu64, ru64); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 156 | EXPECT_EQ(read_buf5.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 157 | buffer.Clear(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 158 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 159 | // Write and read string. |
| 160 | std::string write_string("hello"); |
| 161 | buffer.WriteString(write_string); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 162 | ByteBufferReader read_buf6(buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 163 | std::string read_string; |
| 164 | EXPECT_TRUE(read_buf6.ReadString(&read_string, write_string.size())); |
| 165 | EXPECT_EQ(write_string, read_string); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 166 | EXPECT_EQ(read_buf6.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 167 | buffer.Clear(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 168 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 169 | // Write and read bytes |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 170 | uint8_t write_bytes[] = {3, 2, 1}; |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 171 | buffer.WriteBytes(write_bytes, 3); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 172 | ByteBufferReader read_buf7(buffer); |
| 173 | uint8_t read_bytes[3]; |
| 174 | EXPECT_TRUE(read_buf7.ReadBytes(read_bytes)); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 175 | EXPECT_THAT(read_bytes, ElementsAreArray(write_bytes)); |
| 176 | EXPECT_EQ(read_buf7.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 177 | buffer.Clear(); |
| 178 | |
| 179 | // Write and read reserved buffer space |
Harald Alvestrand | f0ddae8 | 2023-12-12 12:05:20 | [diff] [blame] | 180 | uint8_t* write_dst = buffer.ReserveWriteBuffer(3); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 181 | memcpy(write_dst, write_bytes, 3); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 182 | ByteBufferReader read_buf8(buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 183 | memset(read_bytes, 0, 3); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 184 | EXPECT_TRUE(read_buf8.ReadBytes(read_bytes)); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 185 | EXPECT_THAT(read_bytes, ElementsAreArray(write_dst, 3)); |
| 186 | EXPECT_EQ(read_buf8.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 187 | buffer.Clear(); |
| 188 | |
| 189 | // Write and read in order. |
| 190 | buffer.WriteUInt8(wu8); |
| 191 | buffer.WriteUInt16(wu16); |
| 192 | buffer.WriteUInt24(wu24); |
| 193 | buffer.WriteUInt32(wu32); |
| 194 | buffer.WriteUInt64(wu64); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 195 | ByteBufferReader read_buf9(buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 196 | EXPECT_TRUE(read_buf9.ReadUInt8(&ru8)); |
| 197 | EXPECT_EQ(wu8, ru8); |
| 198 | EXPECT_TRUE(read_buf9.ReadUInt16(&ru16)); |
| 199 | EXPECT_EQ(wu16, ru16); |
| 200 | EXPECT_TRUE(read_buf9.ReadUInt24(&ru24)); |
| 201 | EXPECT_EQ(wu24, ru24); |
| 202 | EXPECT_TRUE(read_buf9.ReadUInt32(&ru32)); |
| 203 | EXPECT_EQ(wu32, ru32); |
| 204 | EXPECT_TRUE(read_buf9.ReadUInt64(&ru64)); |
| 205 | EXPECT_EQ(wu64, ru64); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 206 | EXPECT_EQ(read_buf9.Length(), 0U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 207 | buffer.Clear(); |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 208 | } |
| 209 | |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 210 | TEST(ByteBufferTest, TestWriteCArray) { |
| 211 | // Write and read data |
| 212 | const uint8_t write_data[3] = {3, 2, 1}; |
| 213 | ByteBufferWriter buffer; |
| 214 | buffer.Write(write_data); |
| 215 | EXPECT_EQ(buffer.Length(), 3U); |
| 216 | ByteBufferReader read_buf10(buffer); |
| 217 | uint8_t read_bytes[3] = {}; |
| 218 | EXPECT_TRUE(read_buf10.ReadBytes(read_bytes)); |
| 219 | EXPECT_THAT(read_bytes, ElementsAreArray(write_data)); |
| 220 | EXPECT_EQ(read_buf10.Length(), 0U); |
| 221 | } |
| 222 | |
| 223 | TEST(ByteBufferTest, TestWriteBuffer) { |
| 224 | const uint8_t write_data[3] = {3, 2, 1}; |
| 225 | // Write and read buffer |
| 226 | Buffer write_buffer(write_data); |
| 227 | ByteBufferWriter buffer; |
| 228 | buffer.Write(write_buffer); |
| 229 | ByteBufferReader read_buf11(buffer); |
| 230 | uint8_t read_bytes[3] = {}; |
| 231 | EXPECT_TRUE(read_buf11.ReadBytes(read_bytes)); |
| 232 | EXPECT_THAT(read_bytes, ElementsAreArray(write_buffer)); |
| 233 | EXPECT_EQ(read_buf11.Length(), 0U); |
| 234 | } |
| 235 | |
| 236 | TEST(ByteBufferTest, TestWriteArrayView) { |
| 237 | const uint8_t write_data[3] = {3, 2, 1}; |
| 238 | // Write and read arrayview |
| 239 | ArrayView<const uint8_t> write_view(write_data); |
| 240 | ByteBufferWriter buffer; |
| 241 | buffer.Write(write_view); |
| 242 | ByteBufferReader read_buf12(buffer); |
| 243 | uint8_t read_bytes[3] = {}; |
| 244 | EXPECT_TRUE(read_buf12.ReadBytes(read_bytes)); |
| 245 | EXPECT_THAT(read_bytes, ElementsAreArray(write_view)); |
| 246 | EXPECT_EQ(read_buf12.Length(), 0U); |
| 247 | } |
| 248 | |
| 249 | TEST(ByteBufferTest, TestWriteConsume) { |
| 250 | ByteBufferWriter writer; |
| 251 | // Write and read uint8_t. |
| 252 | uint8_t wu8 = 1; |
| 253 | writer.WriteUInt8(wu8); |
| 254 | Buffer consumed = std::move(writer).Extract(); |
| 255 | EXPECT_THAT(consumed, ElementsAre(wu8)); |
| 256 | } |
| 257 | |
Tommi | eb4a314 | 2024-01-15 20:06:05 | [diff] [blame] | 258 | TEST(ByteBufferTest, TestReadStringView) { |
| 259 | const absl::string_view tests[] = {"hello", " ", "string_view"}; |
| 260 | std::string buffer; |
| 261 | for (const auto& test : tests) |
| 262 | buffer += test; |
| 263 | |
| 264 | rtc::ArrayView<const uint8_t> bytes( |
| 265 | reinterpret_cast<const uint8_t*>(&buffer[0]), buffer.size()); |
| 266 | |
| 267 | ByteBufferReader read_buf(bytes); |
| 268 | size_t consumed = 0; |
| 269 | for (const auto& test : tests) { |
| 270 | absl::string_view sv; |
| 271 | EXPECT_TRUE(read_buf.ReadStringView(&sv, test.length())); |
| 272 | EXPECT_EQ(sv.compare(test), 0); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 273 | // The returned string view should point directly into the original |
| 274 | // string. |
Tommi | eb4a314 | 2024-01-15 20:06:05 | [diff] [blame] | 275 | EXPECT_EQ(&sv[0], &buffer[0 + consumed]); |
| 276 | consumed += sv.size(); |
| 277 | } |
| 278 | } |
| 279 | |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 280 | TEST(ByteBufferTest, TestReadWriteUVarint) { |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 281 | ByteBufferWriter write_buffer; |
| 282 | size_t size = 0; |
| 283 | EXPECT_EQ(size, write_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 284 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 285 | write_buffer.WriteUVarint(1u); |
| 286 | ++size; |
| 287 | EXPECT_EQ(size, write_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 288 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 289 | write_buffer.WriteUVarint(2u); |
| 290 | ++size; |
| 291 | EXPECT_EQ(size, write_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 292 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 293 | write_buffer.WriteUVarint(27u); |
| 294 | ++size; |
| 295 | EXPECT_EQ(size, write_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 296 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 297 | write_buffer.WriteUVarint(149u); |
| 298 | size += 2; |
| 299 | EXPECT_EQ(size, write_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 300 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 301 | write_buffer.WriteUVarint(68719476736u); |
| 302 | size += 6; |
| 303 | EXPECT_EQ(size, write_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 304 | |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 305 | ByteBufferReader read_buffer(write_buffer); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 306 | EXPECT_EQ(size, read_buffer.Length()); |
| 307 | uint64_t val1, val2, val3, val4, val5; |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 308 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 309 | ASSERT_TRUE(read_buffer.ReadUVarint(&val1)); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 310 | EXPECT_EQ(val1, 1U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 311 | --size; |
| 312 | EXPECT_EQ(size, read_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 313 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 314 | ASSERT_TRUE(read_buffer.ReadUVarint(&val2)); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 315 | EXPECT_EQ(val2, 2U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 316 | --size; |
| 317 | EXPECT_EQ(size, read_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 318 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 319 | ASSERT_TRUE(read_buffer.ReadUVarint(&val3)); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 320 | EXPECT_EQ(val3, 27U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 321 | --size; |
| 322 | EXPECT_EQ(size, read_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 323 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 324 | ASSERT_TRUE(read_buffer.ReadUVarint(&val4)); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 325 | EXPECT_EQ(val4, 149U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 326 | size -= 2; |
| 327 | EXPECT_EQ(size, read_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 328 | |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 329 | ASSERT_TRUE(read_buffer.ReadUVarint(&val5)); |
Sergio Garcia Murillo | 37784ef | 2024-10-02 20:29:45 | [diff] [blame] | 330 | EXPECT_EQ(val5, 68719476736U); |
Danil Chapovalov | 7b46e17 | 2019-11-14 16:40:23 | [diff] [blame] | 331 | size -= 6; |
| 332 | EXPECT_EQ(size, read_buffer.Length()); |
mikescarlett | 9a20fa6 | 2016-04-11 23:11:38 | [diff] [blame] | 333 | } |
| 334 | |
Per K | cf2e08b | 2023-11-17 09:05:36 | [diff] [blame] | 335 | TEST(ByteBufferTest, ReadFromArrayView) { |
| 336 | const uint8_t buf[] = {'a', 'b', 'c'}; |
| 337 | ArrayView<const uint8_t> view(buf, 3); |
| 338 | |
| 339 | ByteBufferReader read_buffer(view); |
| 340 | uint8_t val; |
| 341 | EXPECT_TRUE(read_buffer.ReadUInt8(&val)); |
| 342 | EXPECT_EQ(val, 'a'); |
| 343 | EXPECT_TRUE(read_buffer.ReadUInt8(&val)); |
| 344 | EXPECT_EQ(val, 'b'); |
| 345 | EXPECT_TRUE(read_buffer.ReadUInt8(&val)); |
| 346 | EXPECT_EQ(val, 'c'); |
| 347 | EXPECT_FALSE(read_buffer.ReadUInt8(&val)); |
| 348 | } |
| 349 | |
Harald Alvestrand | f0907c6 | 2023-11-20 09:20:23 | [diff] [blame] | 350 | TEST(ByteBufferTest, ReadToArrayView) { |
| 351 | const uint8_t buf[] = {'a', 'b', 'c'}; |
| 352 | ArrayView<const uint8_t> stored_view(buf, 3); |
| 353 | ByteBufferReader read_buffer(stored_view); |
| 354 | uint8_t result[] = {'1', '2', '3'}; |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 355 | EXPECT_TRUE(read_buffer.ReadBytes(rtc::MakeArrayView(result, 2))); |
Harald Alvestrand | f0907c6 | 2023-11-20 09:20:23 | [diff] [blame] | 356 | EXPECT_EQ(result[0], 'a'); |
| 357 | EXPECT_EQ(result[1], 'b'); |
| 358 | EXPECT_EQ(result[2], '3'); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 359 | EXPECT_TRUE(read_buffer.ReadBytes(rtc::MakeArrayView(&result[2], 1))); |
Harald Alvestrand | f0907c6 | 2023-11-20 09:20:23 | [diff] [blame] | 360 | EXPECT_EQ(result[2], 'c'); |
Harald Alvestrand | 572502c | 2023-11-22 10:19:06 | [diff] [blame] | 361 | EXPECT_FALSE(read_buffer.ReadBytes(rtc::MakeArrayView(result, 1))); |
Harald Alvestrand | f0907c6 | 2023-11-20 09:20:23 | [diff] [blame] | 362 | } |
| 363 | |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 | [diff] [blame] | 364 | } // namespace rtc |