shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 1 | // Copyright 2020 The Pigweed Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | // use this file except in compliance with the License. You may obtain a copy of |
| 5 | // the License at |
| 6 | // |
| 7 | // https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | // License for the specific language governing permissions and limitations under |
| 13 | // the License. |
| 14 | |
Wyatt Hepler | 0158ad7 | 2020-06-24 17:41:25 -0700 | [diff] [blame] | 15 | #include "pw_bytes/byte_builder.h" |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 16 | |
| 17 | #include <array> |
| 18 | #include <cstddef> |
| 19 | |
| 20 | #include "gtest/gtest.h" |
| 21 | |
| 22 | using std::byte; |
| 23 | |
| 24 | template <typename... Args> |
| 25 | constexpr std::array<byte, sizeof...(Args)> MakeBytes(Args... args) noexcept { |
| 26 | return {static_cast<byte>(args)...}; |
| 27 | } |
| 28 | |
| 29 | namespace pw { |
| 30 | namespace { |
| 31 | |
| 32 | TEST(ByteBuilder, EmptyBuffer_SizeAndMaxSizeAreCorrect) { |
Wyatt Hepler | 0158ad7 | 2020-06-24 17:41:25 -0700 | [diff] [blame] | 33 | ByteBuilder bb(ByteSpan{}); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 34 | |
| 35 | EXPECT_TRUE(bb.empty()); |
| 36 | EXPECT_EQ(0u, bb.size()); |
| 37 | EXPECT_EQ(0u, bb.max_size()); |
| 38 | } |
| 39 | |
| 40 | TEST(ByteBuilder, NonEmptyBufferOfSize0_SizeAndMaxSizeAreCorrect) { |
| 41 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 42 | ByteBuilder bb(buffer); |
| 43 | |
| 44 | EXPECT_TRUE(bb.empty()); |
| 45 | EXPECT_EQ(0u, bb.size()); |
| 46 | EXPECT_EQ(3u, bb.max_size()); |
| 47 | } |
| 48 | |
| 49 | TEST(ByteBuilder, Constructor_InsertsEmptyBuffer) { |
| 50 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 51 | ByteBuilder bb(buffer); |
| 52 | |
| 53 | EXPECT_TRUE(bb.empty()); |
| 54 | } |
| 55 | |
| 56 | TEST(ByteBuilder, EmptyBuffer_Append) { |
Wyatt Hepler | 0158ad7 | 2020-06-24 17:41:25 -0700 | [diff] [blame] | 57 | ByteBuilder bb(ByteSpan{}); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 58 | EXPECT_TRUE(bb.empty()); |
| 59 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 60 | constexpr auto kBytesTestLiteral = MakeBytes(0x04, 0x05); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 61 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 62 | EXPECT_FALSE(bb.append(kBytesTestLiteral.data(), 2).ok()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 63 | EXPECT_EQ(0u, bb.size()); |
| 64 | EXPECT_EQ(0u, bb.max_size()); |
| 65 | } |
| 66 | |
| 67 | TEST(ByteBuilder, NonEmptyBufferOfSize0_Append) { |
| 68 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 69 | ByteBuilder bb(buffer); |
| 70 | EXPECT_TRUE(bb.empty()); |
| 71 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 72 | constexpr auto kBytesTestLiteral = MakeBytes(0x04, 0x05); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 73 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 74 | EXPECT_TRUE(bb.append(kBytesTestLiteral.data(), 2).ok()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 75 | EXPECT_EQ(byte{0x04}, bb.data()[0]); |
| 76 | EXPECT_EQ(byte{0x05}, bb.data()[1]); |
| 77 | } |
| 78 | |
| 79 | TEST(ByteBuilder, NonEmptyBufferOfSize0_Append_Partial_NotResourceExhausted) { |
| 80 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 81 | ByteBuilder bb(buffer); |
| 82 | |
| 83 | EXPECT_TRUE(bb.empty()); |
| 84 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 85 | constexpr auto kBytesTestLiteral = MakeBytes(0x04, 0x05, 0x06, 0x07); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 86 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 87 | EXPECT_TRUE(bb.append(kBytesTestLiteral.data(), 3).ok()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 88 | EXPECT_EQ(byte{0x04}, bb.data()[0]); |
| 89 | EXPECT_EQ(byte{0x05}, bb.data()[1]); |
| 90 | EXPECT_EQ(byte{0x06}, bb.data()[2]); |
| 91 | } |
| 92 | |
| 93 | TEST(ByteBuilder, NonEmptyBufferOfSize0_Append_Partial_ResourceExhausted) { |
| 94 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 95 | ByteBuilder bb(buffer); |
| 96 | |
| 97 | EXPECT_TRUE(bb.empty()); |
| 98 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 99 | constexpr auto kBytesTestLiteral = MakeBytes(0x04, 0x05, 0x06, 0x07); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 100 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 101 | EXPECT_FALSE(bb.append(kBytesTestLiteral.data(), 4).ok()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 102 | EXPECT_EQ(Status::ResourceExhausted(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 103 | EXPECT_EQ(0u, bb.size()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | TEST(ByteBuilder, Append_RepeatedBytes) { |
| 107 | ByteBuffer<8> bb; |
| 108 | EXPECT_TRUE(bb.empty()); |
| 109 | |
| 110 | EXPECT_TRUE(bb.append(7, byte{0x04}).ok()); |
| 111 | |
| 112 | for (size_t i = 0; i < 7; i++) { |
| 113 | EXPECT_EQ(byte{0x04}, bb.data()[i]); |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | TEST(ByteBuilder, Append_Bytes_Full) { |
| 118 | ByteBuffer<8> bb; |
| 119 | |
| 120 | EXPECT_EQ(8u, bb.max_size() - bb.size()); |
| 121 | |
| 122 | EXPECT_TRUE(bb.append(8, byte{0x04}).ok()); |
| 123 | |
| 124 | for (size_t i = 0; i < 8; i++) { |
| 125 | EXPECT_EQ(byte{0x04}, bb.data()[i]); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | TEST(ByteBuilder, Append_Bytes_Exhausted) { |
| 130 | ByteBuffer<8> bb; |
| 131 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 132 | EXPECT_EQ(Status::ResourceExhausted(), bb.append(9, byte{0x04}).status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 133 | EXPECT_EQ(0u, bb.size()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | TEST(ByteBuilder, Append_Partial) { |
| 137 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 138 | ByteBuffer<12> bb; |
| 139 | |
| 140 | EXPECT_TRUE(bb.append(buffer.data(), 2).ok()); |
| 141 | EXPECT_EQ(2u, bb.size()); |
| 142 | EXPECT_EQ(byte{0x01}, bb.data()[0]); |
| 143 | EXPECT_EQ(byte{0x02}, bb.data()[1]); |
| 144 | } |
| 145 | |
| 146 | TEST(ByteBuilder, EmptyBuffer_Resize_WritesNothing) { |
| 147 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 148 | ByteBuilder bb(buffer); |
| 149 | |
| 150 | bb.resize(0); |
| 151 | EXPECT_TRUE(bb.ok()); |
| 152 | } |
| 153 | |
| 154 | TEST(ByteBuilder, EmptyBuffer_Resize_Larger_Fails) { |
| 155 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 156 | ByteBuilder bb(buffer); |
| 157 | |
| 158 | bb.resize(1); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 159 | EXPECT_EQ(Status::OutOfRange(), bb.append(9, byte{0x04}).status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | TEST(ByteBuilder, Resize_Smaller) { |
| 163 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 164 | ByteBuffer<8> bb; |
| 165 | |
shaneajg | 9fe4cec | 2020-06-22 19:28:51 -0400 | [diff] [blame] | 166 | EXPECT_TRUE(bb.append(buffer).ok()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 167 | |
| 168 | bb.resize(1); |
| 169 | EXPECT_TRUE(bb.ok()); |
| 170 | EXPECT_EQ(1u, bb.size()); |
| 171 | EXPECT_EQ(byte{0x01}, bb.data()[0]); |
| 172 | } |
| 173 | |
| 174 | TEST(ByteBuilder, Resize_Clear) { |
| 175 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 176 | ByteBuffer<8> bb; |
| 177 | |
shaneajg | 9fe4cec | 2020-06-22 19:28:51 -0400 | [diff] [blame] | 178 | EXPECT_TRUE(bb.append(buffer).ok()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 179 | |
| 180 | bb.resize(0); |
| 181 | EXPECT_TRUE(bb.ok()); |
| 182 | EXPECT_EQ(0u, bb.size()); |
| 183 | EXPECT_TRUE(bb.empty()); |
| 184 | } |
| 185 | |
| 186 | TEST(ByteBuilder, Resize_Larger_Fails) { |
| 187 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 188 | ByteBuffer<8> bb; |
| 189 | |
shaneajg | 9fe4cec | 2020-06-22 19:28:51 -0400 | [diff] [blame] | 190 | EXPECT_TRUE(bb.append(buffer).ok()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 191 | |
| 192 | EXPECT_EQ(3u, bb.size()); |
| 193 | bb.resize(5); |
| 194 | EXPECT_EQ(3u, bb.size()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 195 | EXPECT_EQ(bb.status(), Status::OutOfRange()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | TEST(ByteBuilder, Status_StartsOk) { |
| 199 | ByteBuffer<16> bb; |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 200 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 201 | } |
| 202 | |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 203 | TEST(ByteBuilder, Status_StatusUpdate) { |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 204 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 205 | ByteBuffer<2> bb; |
| 206 | |
shaneajg | 9fe4cec | 2020-06-22 19:28:51 -0400 | [diff] [blame] | 207 | EXPECT_FALSE(bb.append(buffer).ok()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 208 | EXPECT_EQ(Status::ResourceExhausted(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 209 | |
| 210 | bb.resize(4); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 211 | EXPECT_EQ(Status::OutOfRange(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 212 | |
| 213 | EXPECT_FALSE(bb.append(buffer.data(), 0).ok()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 214 | EXPECT_EQ(Status::OutOfRange(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 215 | } |
| 216 | |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 217 | TEST(ByteBuilder, Status_ClearStatus_SetsStatusToOk) { |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 218 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 219 | ByteBuffer<2> bb; |
| 220 | |
shaneajg | 9fe4cec | 2020-06-22 19:28:51 -0400 | [diff] [blame] | 221 | EXPECT_FALSE(bb.append(buffer).ok()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 222 | EXPECT_EQ(Status::ResourceExhausted(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 223 | |
| 224 | bb.clear_status(); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 225 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | TEST(ByteBuilder, PushBack) { |
| 229 | ByteBuffer<12> bb; |
| 230 | bb.push_back(byte{0x01}); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 231 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 232 | EXPECT_EQ(1u, bb.size()); |
| 233 | EXPECT_EQ(byte{0x01}, bb.data()[0]); |
| 234 | } |
| 235 | |
| 236 | TEST(ByteBuilder, PushBack_Full) { |
| 237 | ByteBuffer<1> bb; |
| 238 | bb.push_back(byte{0x01}); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 239 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 240 | EXPECT_EQ(1u, bb.size()); |
| 241 | } |
| 242 | |
| 243 | TEST(ByteBuilder, PushBack_Full_ResourceExhausted) { |
| 244 | ByteBuffer<1> bb; |
| 245 | bb.push_back(byte{0x01}); |
| 246 | bb.push_back(byte{0x01}); |
| 247 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 248 | EXPECT_EQ(Status::ResourceExhausted(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 249 | EXPECT_EQ(1u, bb.size()); |
| 250 | } |
| 251 | |
| 252 | TEST(ByteBuilder, PopBack) { |
| 253 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 254 | ByteBuffer<3> bb; |
| 255 | |
| 256 | bb.append(buffer.data(), 3); |
| 257 | |
| 258 | bb.pop_back(); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 259 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 260 | EXPECT_EQ(2u, bb.size()); |
| 261 | EXPECT_EQ(byte{0x01}, bb.data()[0]); |
| 262 | EXPECT_EQ(byte{0x02}, bb.data()[1]); |
| 263 | } |
| 264 | |
| 265 | TEST(ByteBuilder, PopBack_Empty) { |
| 266 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 267 | ByteBuffer<3> bb; |
| 268 | bb.append(buffer.data(), 3); |
| 269 | |
| 270 | bb.pop_back(); |
| 271 | bb.pop_back(); |
| 272 | bb.pop_back(); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 273 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 274 | EXPECT_EQ(0u, bb.size()); |
| 275 | EXPECT_TRUE(bb.empty()); |
| 276 | } |
| 277 | |
| 278 | TEST(ByteBuffer, Assign) { |
| 279 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 280 | ByteBuffer<10> one; |
| 281 | ByteBuffer<10> two; |
| 282 | |
| 283 | one.append(buffer.data(), 3); |
| 284 | EXPECT_EQ(byte{0x01}, one.data()[0]); |
| 285 | EXPECT_EQ(byte{0x02}, one.data()[1]); |
| 286 | EXPECT_EQ(byte{0x03}, one.data()[2]); |
| 287 | |
| 288 | two = one; |
| 289 | EXPECT_EQ(byte{0x01}, two.data()[0]); |
| 290 | EXPECT_EQ(byte{0x02}, two.data()[1]); |
| 291 | EXPECT_EQ(byte{0x03}, two.data()[2]); |
| 292 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 293 | constexpr auto kBytesTestLiteral = MakeBytes(0x04, 0x05, 0x06, 0x07); |
| 294 | one.append(kBytesTestLiteral.data(), 2); |
| 295 | two.append(kBytesTestLiteral.data(), 4); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 296 | EXPECT_EQ(5u, one.size()); |
| 297 | EXPECT_EQ(7u, two.size()); |
| 298 | EXPECT_EQ(byte{0x04}, one.data()[3]); |
| 299 | EXPECT_EQ(byte{0x05}, one.data()[4]); |
| 300 | EXPECT_EQ(byte{0x04}, two.data()[3]); |
| 301 | EXPECT_EQ(byte{0x05}, two.data()[4]); |
| 302 | EXPECT_EQ(byte{0x06}, two.data()[5]); |
| 303 | EXPECT_EQ(byte{0x07}, two.data()[6]); |
| 304 | |
| 305 | two.push_back(byte{0x01}); |
| 306 | two.push_back(byte{0x01}); |
| 307 | two.push_back(byte{0x01}); |
| 308 | two.push_back(byte{0x01}); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 309 | ASSERT_EQ(Status::ResourceExhausted(), two.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 310 | |
| 311 | one = two; |
| 312 | EXPECT_EQ(byte{0x01}, two.data()[7]); |
| 313 | EXPECT_EQ(byte{0x01}, two.data()[8]); |
| 314 | EXPECT_EQ(byte{0x01}, two.data()[9]); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 315 | EXPECT_EQ(Status::ResourceExhausted(), one.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | TEST(ByteBuffer, CopyConstructFromSameSize) { |
| 319 | ByteBuffer<10> one; |
| 320 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 321 | |
| 322 | one.append(buffer.data(), 3); |
| 323 | EXPECT_EQ(byte{0x01}, one.data()[0]); |
| 324 | EXPECT_EQ(byte{0x02}, one.data()[1]); |
| 325 | EXPECT_EQ(byte{0x03}, one.data()[2]); |
| 326 | |
| 327 | ByteBuffer<10> two(one); |
| 328 | EXPECT_EQ(byte{0x01}, two.data()[0]); |
| 329 | EXPECT_EQ(byte{0x02}, two.data()[1]); |
| 330 | EXPECT_EQ(byte{0x03}, two.data()[2]); |
| 331 | } |
| 332 | |
| 333 | TEST(ByteBuffer, CopyConstructFromSmaller) { |
| 334 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 335 | ByteBuffer<2> one; |
| 336 | one.append(buffer.data(), 2); |
| 337 | ByteBuffer<3> two(one); |
| 338 | |
| 339 | EXPECT_EQ(byte{0x01}, two.data()[0]); |
| 340 | EXPECT_EQ(byte{0x02}, two.data()[1]); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 341 | EXPECT_EQ(Status::Ok(), two.status()); |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 342 | } |
| 343 | |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 344 | TEST(ByteBuilder, ResizeError_NoDataAddedAfter) { |
| 345 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 346 | ByteBuffer<8> bb; |
| 347 | |
shaneajg | 9fe4cec | 2020-06-22 19:28:51 -0400 | [diff] [blame] | 348 | EXPECT_TRUE(bb.append(buffer).ok()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 349 | |
| 350 | EXPECT_EQ(3u, bb.size()); |
| 351 | bb.resize(5); |
| 352 | EXPECT_EQ(3u, bb.size()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 353 | EXPECT_EQ(bb.status(), Status::OutOfRange()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 354 | |
| 355 | bb.PutInt8(0xFE); |
| 356 | EXPECT_EQ(3u, bb.size()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 357 | EXPECT_EQ(bb.status(), Status::OutOfRange()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | TEST(ByteBuilder, AddingNoBytesToZeroSizedByteBuffer) { |
| 361 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 362 | ByteBuffer<0> bb; |
| 363 | |
| 364 | EXPECT_TRUE(bb.append(buffer.data(), 0).ok()); |
| 365 | EXPECT_EQ(0u, bb.size()); |
| 366 | } |
| 367 | |
| 368 | TEST(ByteBuffer, Putting8ByteInts_Full) { |
| 369 | ByteBuffer<2> bb; |
| 370 | bb.PutInt8(0xFE); |
| 371 | bb.PutUint8(0x02); |
| 372 | |
| 373 | EXPECT_EQ(byte{0xFE}, bb.data()[0]); |
| 374 | EXPECT_EQ(byte{0x02}, bb.data()[1]); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 375 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | TEST(ByteBuffer, Putting8ByteInts_Exhausted) { |
| 379 | ByteBuffer<2> bb; |
| 380 | bb.PutInt8(0xFE); |
| 381 | bb.PutUint8(0x02); |
| 382 | bb.PutUint8(0x05); |
| 383 | |
| 384 | EXPECT_EQ(byte{0xFE}, bb.data()[0]); |
| 385 | EXPECT_EQ(byte{0x02}, bb.data()[1]); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 386 | EXPECT_EQ(Status::ResourceExhausted(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | TEST(ByteBuffer, Putting16ByteInts_Full_kLittleEndian) { |
| 390 | ByteBuffer<4> bb; |
| 391 | bb.PutInt16(0xFFF7); |
| 392 | bb.PutUint16(0x0008); |
| 393 | |
| 394 | EXPECT_EQ(byte{0xF7}, bb.data()[0]); |
| 395 | EXPECT_EQ(byte{0xFF}, bb.data()[1]); |
| 396 | EXPECT_EQ(byte{0x08}, bb.data()[2]); |
| 397 | EXPECT_EQ(byte{0x00}, bb.data()[3]); |
| 398 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 399 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | TEST(ByteBuffer, Putting16ByteInts_Exhausted_kBigEndian) { |
| 403 | ByteBuffer<5> bb; |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 404 | bb.PutInt16(0xFFF7, std::endian::big); |
| 405 | bb.PutUint16(0x0008, std::endian::big); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 406 | |
| 407 | EXPECT_EQ(byte{0xFF}, bb.data()[0]); |
| 408 | EXPECT_EQ(byte{0xF7}, bb.data()[1]); |
| 409 | EXPECT_EQ(byte{0x00}, bb.data()[2]); |
| 410 | EXPECT_EQ(byte{0x08}, bb.data()[3]); |
| 411 | |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 412 | bb.PutInt16(0xFAFA, std::endian::big); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 413 | EXPECT_EQ(4u, bb.size()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 414 | EXPECT_EQ(Status::ResourceExhausted(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 415 | } |
| 416 | |
| 417 | TEST(ByteBuffer, Putting32ByteInts_Full_kLittleEndian) { |
| 418 | ByteBuffer<8> bb; |
| 419 | bb.PutInt32(0xFFFFFFF1); |
| 420 | bb.PutUint32(0x00000014); |
| 421 | |
| 422 | EXPECT_EQ(byte{0xF1}, bb.data()[0]); |
| 423 | EXPECT_EQ(byte{0xFF}, bb.data()[1]); |
| 424 | EXPECT_EQ(byte{0xFF}, bb.data()[2]); |
| 425 | EXPECT_EQ(byte{0xFF}, bb.data()[3]); |
| 426 | EXPECT_EQ(byte{0x14}, bb.data()[4]); |
| 427 | EXPECT_EQ(byte{0x00}, bb.data()[5]); |
| 428 | EXPECT_EQ(byte{0x00}, bb.data()[6]); |
| 429 | EXPECT_EQ(byte{0x00}, bb.data()[7]); |
| 430 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 431 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | TEST(ByteBuffer, Putting32ByteInts_Exhausted_kBigEndian) { |
| 435 | ByteBuffer<10> bb; |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 436 | bb.PutInt32(0xF92927B2, std::endian::big); |
| 437 | bb.PutUint32(0x0C90739E, std::endian::big); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 438 | |
| 439 | EXPECT_EQ(byte{0xF9}, bb.data()[0]); |
| 440 | EXPECT_EQ(byte{0x29}, bb.data()[1]); |
| 441 | EXPECT_EQ(byte{0x27}, bb.data()[2]); |
| 442 | EXPECT_EQ(byte{0xB2}, bb.data()[3]); |
| 443 | EXPECT_EQ(byte{0x0C}, bb.data()[4]); |
| 444 | EXPECT_EQ(byte{0x90}, bb.data()[5]); |
| 445 | EXPECT_EQ(byte{0x73}, bb.data()[6]); |
| 446 | EXPECT_EQ(byte{0x9E}, bb.data()[7]); |
| 447 | |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 448 | bb.PutInt32(-114743374, std::endian::big); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 449 | EXPECT_EQ(8u, bb.size()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 450 | EXPECT_EQ(Status::ResourceExhausted(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 451 | } |
| 452 | |
| 453 | TEST(ByteBuffer, Putting64ByteInts_Full_kLittleEndian) { |
| 454 | ByteBuffer<16> bb; |
| 455 | bb.PutInt64(0x000001E8A7A0D569); |
| 456 | bb.PutUint64(0xFFFFFE17585F2A97); |
| 457 | |
| 458 | EXPECT_EQ(byte{0x69}, bb.data()[0]); |
| 459 | EXPECT_EQ(byte{0xD5}, bb.data()[1]); |
| 460 | EXPECT_EQ(byte{0xA0}, bb.data()[2]); |
| 461 | EXPECT_EQ(byte{0xA7}, bb.data()[3]); |
| 462 | EXPECT_EQ(byte{0xE8}, bb.data()[4]); |
| 463 | EXPECT_EQ(byte{0x01}, bb.data()[5]); |
| 464 | EXPECT_EQ(byte{0x00}, bb.data()[6]); |
| 465 | EXPECT_EQ(byte{0x00}, bb.data()[7]); |
| 466 | EXPECT_EQ(byte{0x97}, bb.data()[8]); |
| 467 | EXPECT_EQ(byte{0x2A}, bb.data()[9]); |
| 468 | EXPECT_EQ(byte{0x5F}, bb.data()[10]); |
| 469 | EXPECT_EQ(byte{0x58}, bb.data()[11]); |
| 470 | EXPECT_EQ(byte{0x17}, bb.data()[12]); |
| 471 | EXPECT_EQ(byte{0xFE}, bb.data()[13]); |
| 472 | EXPECT_EQ(byte{0xFF}, bb.data()[14]); |
| 473 | EXPECT_EQ(byte{0xFF}, bb.data()[15]); |
| 474 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 475 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | TEST(ByteBuffer, Putting64ByteInts_Exhausted_kBigEndian) { |
| 479 | ByteBuffer<20> bb; |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 480 | bb.PutUint64(0x000001E8A7A0D569, std::endian::big); |
| 481 | bb.PutInt64(0xFFFFFE17585F2A97, std::endian::big); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 482 | |
| 483 | EXPECT_EQ(byte{0x00}, bb.data()[0]); |
| 484 | EXPECT_EQ(byte{0x00}, bb.data()[1]); |
| 485 | EXPECT_EQ(byte{0x01}, bb.data()[2]); |
| 486 | EXPECT_EQ(byte{0xE8}, bb.data()[3]); |
| 487 | EXPECT_EQ(byte{0xA7}, bb.data()[4]); |
| 488 | EXPECT_EQ(byte{0xA0}, bb.data()[5]); |
| 489 | EXPECT_EQ(byte{0xD5}, bb.data()[6]); |
| 490 | EXPECT_EQ(byte{0x69}, bb.data()[7]); |
| 491 | EXPECT_EQ(byte{0xFF}, bb.data()[8]); |
| 492 | EXPECT_EQ(byte{0xFF}, bb.data()[9]); |
| 493 | EXPECT_EQ(byte{0xFE}, bb.data()[10]); |
| 494 | EXPECT_EQ(byte{0x17}, bb.data()[11]); |
| 495 | EXPECT_EQ(byte{0x58}, bb.data()[12]); |
| 496 | EXPECT_EQ(byte{0x5F}, bb.data()[13]); |
| 497 | EXPECT_EQ(byte{0x2A}, bb.data()[14]); |
| 498 | EXPECT_EQ(byte{0x97}, bb.data()[15]); |
| 499 | |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 500 | bb.PutInt64(-6099875637501324530, std::endian::big); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 501 | EXPECT_EQ(16u, bb.size()); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 502 | EXPECT_EQ(Status::ResourceExhausted(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 503 | } |
| 504 | |
| 505 | TEST(ByteBuffer, PuttingInts_MixedTypes_MixedEndian) { |
| 506 | ByteBuffer<16> bb; |
| 507 | bb.PutUint8(0x03); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 508 | bb.PutInt16(0xFD6D, std::endian::big); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 509 | bb.PutUint32(0x482B3D9E); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 510 | bb.PutInt64(0x9A1C3641843DF317, std::endian::big); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 511 | bb.PutInt8(0xFB); |
| 512 | |
| 513 | EXPECT_EQ(byte{0x03}, bb.data()[0]); |
| 514 | EXPECT_EQ(byte{0xFD}, bb.data()[1]); |
| 515 | EXPECT_EQ(byte{0x6D}, bb.data()[2]); |
| 516 | EXPECT_EQ(byte{0x9E}, bb.data()[3]); |
| 517 | EXPECT_EQ(byte{0x3D}, bb.data()[4]); |
| 518 | EXPECT_EQ(byte{0x2B}, bb.data()[5]); |
| 519 | EXPECT_EQ(byte{0x48}, bb.data()[6]); |
| 520 | EXPECT_EQ(byte{0x9A}, bb.data()[7]); |
| 521 | EXPECT_EQ(byte{0x1C}, bb.data()[8]); |
| 522 | EXPECT_EQ(byte{0x36}, bb.data()[9]); |
| 523 | EXPECT_EQ(byte{0x41}, bb.data()[10]); |
| 524 | EXPECT_EQ(byte{0x84}, bb.data()[11]); |
| 525 | EXPECT_EQ(byte{0x3D}, bb.data()[12]); |
| 526 | EXPECT_EQ(byte{0xF3}, bb.data()[13]); |
| 527 | EXPECT_EQ(byte{0x17}, bb.data()[14]); |
| 528 | EXPECT_EQ(byte{0xFB}, bb.data()[15]); |
| 529 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 530 | EXPECT_EQ(Status::Ok(), bb.status()); |
shaneajg | 3181d18 | 2020-06-17 20:17:23 -0400 | [diff] [blame] | 531 | } |
| 532 | |
shaneajg | 9fe4cec | 2020-06-22 19:28:51 -0400 | [diff] [blame] | 533 | TEST(ByteBuffer, Iterator) { |
| 534 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 535 | ByteBuffer<8> bb; |
| 536 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 537 | |
| 538 | auto it = bb.begin(); |
| 539 | EXPECT_EQ(*it, byte{0x01}); |
| 540 | |
| 541 | ++it; |
| 542 | EXPECT_EQ(*it, byte{0x02}); |
| 543 | EXPECT_EQ(it - bb.begin(), 1); |
| 544 | |
| 545 | ++it; |
| 546 | EXPECT_EQ(*it, byte{0x03}); |
| 547 | EXPECT_EQ(it - bb.begin(), 2); |
| 548 | |
| 549 | ++it; |
| 550 | EXPECT_EQ(it, bb.end()); |
| 551 | EXPECT_EQ(static_cast<size_t>(it - bb.begin()), bb.size()); |
| 552 | } |
| 553 | |
| 554 | TEST(ByteBuffer, Iterator_PreIncrement) { |
| 555 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 556 | ByteBuffer<8> bb; |
| 557 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 558 | |
| 559 | auto it = bb.begin(); |
| 560 | EXPECT_EQ(*(++it), byte{0x02}); |
| 561 | } |
| 562 | |
| 563 | TEST(ByteBuffer, Iterator_PostIncrement) { |
| 564 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 565 | ByteBuffer<8> bb; |
| 566 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 567 | |
| 568 | auto it = bb.begin(); |
| 569 | EXPECT_EQ(*(it++), byte{0x01}); |
| 570 | EXPECT_EQ(*it, byte{0x02}); |
| 571 | EXPECT_EQ(*(it++), byte{0x02}); |
| 572 | EXPECT_EQ(*it, byte{0x03}); |
| 573 | } |
| 574 | |
| 575 | TEST(ByteBuffer, Iterator_PreDecrement) { |
| 576 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 577 | ByteBuffer<8> bb; |
| 578 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 579 | auto it = bb.begin(); |
| 580 | |
| 581 | EXPECT_EQ(*it, byte{0x01}); |
| 582 | ++it; |
| 583 | EXPECT_EQ(*it, byte{0x02}); |
| 584 | ++it; |
| 585 | EXPECT_EQ(*it, byte{0x03}); |
| 586 | ++it; |
| 587 | EXPECT_EQ(it, bb.end()); |
| 588 | |
| 589 | --it; |
| 590 | EXPECT_EQ(*it, byte{0x03}); |
| 591 | --it; |
| 592 | EXPECT_EQ(*it, byte{0x02}); |
| 593 | --it; |
| 594 | EXPECT_EQ(*it, byte{0x01}); |
| 595 | EXPECT_EQ(it, bb.begin()); |
| 596 | } |
| 597 | |
| 598 | TEST(ByteBuffer, Iterator_PostDecrement) { |
| 599 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 600 | ByteBuffer<8> bb; |
| 601 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 602 | auto it = bb.begin(); |
| 603 | |
| 604 | it += 2; |
| 605 | EXPECT_EQ(*it, byte{0x03}); |
| 606 | |
| 607 | EXPECT_EQ(*(it--), byte{0x03}); |
| 608 | EXPECT_EQ(*it, byte{0x02}); |
| 609 | EXPECT_EQ(*(it--), byte{0x02}); |
| 610 | EXPECT_EQ(*it, byte{0x01}); |
| 611 | } |
| 612 | |
| 613 | TEST(ByteBuffer, Iterator_PlusEquals) { |
| 614 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 615 | ByteBuffer<8> bb; |
| 616 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 617 | auto it = bb.begin(); |
| 618 | |
| 619 | it += 2; |
| 620 | EXPECT_EQ(*it, byte{0x03}); |
| 621 | |
| 622 | it += -1; |
| 623 | EXPECT_EQ(*it, byte{0x02}); |
| 624 | |
| 625 | it += 1; |
| 626 | EXPECT_EQ(*it, byte{0x03}); |
| 627 | |
| 628 | it += -2; |
| 629 | EXPECT_EQ(*it, byte{0x01}); |
| 630 | } |
| 631 | |
| 632 | TEST(ByteBuffer, Iterator_MinusEquals) { |
| 633 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 634 | ByteBuffer<8> bb; |
| 635 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 636 | auto it = bb.begin(); |
| 637 | |
| 638 | it -= -2; |
| 639 | EXPECT_EQ(*it, byte{0x03}); |
| 640 | |
| 641 | it -= +1; |
| 642 | EXPECT_EQ(*it, byte{0x02}); |
| 643 | |
| 644 | it -= -1; |
| 645 | EXPECT_EQ(*it, byte{0x03}); |
| 646 | |
| 647 | it -= +2; |
| 648 | EXPECT_EQ(*it, byte{0x01}); |
| 649 | } |
| 650 | |
| 651 | TEST(ByteBuffer, Iterator_Plus) { |
| 652 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 653 | ByteBuffer<8> bb; |
| 654 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 655 | auto it = bb.begin(); |
| 656 | |
| 657 | auto test = it + 2; |
| 658 | EXPECT_EQ(*test, byte{0x03}); |
| 659 | |
| 660 | test = test + -1; |
| 661 | EXPECT_EQ(*test, byte{0x02}); |
| 662 | |
| 663 | test = test + 1; |
| 664 | EXPECT_EQ(*test, byte{0x03}); |
| 665 | |
| 666 | test = test + (-2); |
| 667 | EXPECT_EQ(*test, byte{0x01}); |
| 668 | } |
| 669 | |
| 670 | TEST(ByteBuffer, Iterator_Minus) { |
| 671 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 672 | ByteBuffer<8> bb; |
| 673 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 674 | auto it = bb.begin(); |
| 675 | |
| 676 | auto test = it - (-2); |
| 677 | EXPECT_EQ(*test, byte{0x03}); |
| 678 | |
| 679 | test = test - 1; |
| 680 | EXPECT_EQ(*test, byte{0x02}); |
| 681 | |
| 682 | test = test - (-1); |
| 683 | EXPECT_EQ(*test, byte{0x03}); |
| 684 | |
| 685 | test = test - 2; |
| 686 | EXPECT_EQ(*test, byte{0x01}); |
| 687 | } |
| 688 | |
| 689 | TEST(ByteBuffer, Iterator_LessThan) { |
| 690 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 691 | ByteBuffer<8> bb; |
| 692 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 693 | |
| 694 | auto it_1 = bb.begin(); |
| 695 | auto it_2 = it_1 + 2; |
| 696 | EXPECT_EQ(*it_1, byte{0x01}); |
| 697 | EXPECT_EQ(*it_2, byte{0x03}); |
| 698 | EXPECT_TRUE(it_1 < it_2); |
| 699 | |
| 700 | it_1++; |
| 701 | it_2--; |
| 702 | EXPECT_EQ(*it_1, byte{0x02}); |
| 703 | EXPECT_EQ(*it_2, byte{0x02}); |
| 704 | EXPECT_FALSE(it_1 < it_2); |
| 705 | |
| 706 | it_1++; |
| 707 | it_2--; |
| 708 | EXPECT_EQ(*it_1, byte{0x03}); |
| 709 | EXPECT_EQ(*it_2, byte{0x01}); |
| 710 | EXPECT_FALSE(it_1 < it_2); |
| 711 | EXPECT_TRUE(it_2 < it_1); |
| 712 | } |
| 713 | |
| 714 | TEST(ByteBuffer, Iterator_GreaterThan) { |
| 715 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 716 | ByteBuffer<8> bb; |
| 717 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 718 | |
| 719 | auto it_1 = bb.begin(); |
| 720 | auto it_2 = it_1 + 2; |
| 721 | EXPECT_EQ(*it_1, byte{0x01}); |
| 722 | EXPECT_EQ(*it_2, byte{0x03}); |
| 723 | EXPECT_FALSE(it_1 > it_2); |
| 724 | |
| 725 | it_1++; |
| 726 | it_2--; |
| 727 | EXPECT_EQ(*it_1, byte{0x02}); |
| 728 | EXPECT_EQ(*it_2, byte{0x02}); |
| 729 | EXPECT_FALSE(it_1 > it_2); |
| 730 | |
| 731 | it_1++; |
| 732 | it_2--; |
| 733 | EXPECT_EQ(*it_1, byte{0x03}); |
| 734 | EXPECT_EQ(*it_2, byte{0x01}); |
| 735 | EXPECT_TRUE(it_1 > it_2); |
| 736 | EXPECT_FALSE(it_2 > it_1); |
| 737 | } |
| 738 | |
| 739 | TEST(ByteBuffer, Iterator_LessThanEqual_GreaterThanEqual) { |
| 740 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 741 | ByteBuffer<8> bb; |
| 742 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 743 | |
| 744 | auto it_1 = bb.begin(); |
| 745 | auto it_2 = it_1 + 2; |
| 746 | EXPECT_EQ(*it_1, byte{0x01}); |
| 747 | EXPECT_EQ(*it_2, byte{0x03}); |
| 748 | EXPECT_FALSE(it_1 >= it_2); |
| 749 | EXPECT_TRUE(it_1 <= it_2); |
| 750 | |
| 751 | it_1++; |
| 752 | it_2--; |
| 753 | EXPECT_EQ(*it_1, byte{0x02}); |
| 754 | EXPECT_EQ(*it_2, byte{0x02}); |
| 755 | EXPECT_TRUE(it_1 >= it_2); |
| 756 | EXPECT_TRUE(it_1 <= it_2); |
| 757 | |
| 758 | it_1++; |
| 759 | it_2--; |
| 760 | EXPECT_EQ(*it_1, byte{0x03}); |
| 761 | EXPECT_EQ(*it_2, byte{0x01}); |
| 762 | EXPECT_FALSE(it_1 <= it_2); |
| 763 | EXPECT_TRUE(it_1 >= it_2); |
| 764 | } |
| 765 | |
| 766 | TEST(ByteBuffer, Iterator_Indexing) { |
| 767 | std::array<byte, 3> buffer = MakeBytes(0x01, 0x02, 0x03); |
| 768 | ByteBuffer<8> bb; |
| 769 | EXPECT_TRUE(bb.append(buffer).ok()); |
| 770 | |
| 771 | auto it = bb.begin(); |
| 772 | EXPECT_EQ(it[0], byte{0x01}); |
| 773 | EXPECT_EQ(it[1], byte{0x02}); |
| 774 | EXPECT_EQ(it[2], byte{0x03}); |
| 775 | } |
| 776 | |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 777 | TEST(ByteBuffer, Iterator_PeekValues_1Byte) { |
| 778 | ByteBuffer<3> bb; |
| 779 | bb.PutInt8(0xF2); |
| 780 | bb.PutUint8(0xE5); |
| 781 | bb.PutInt8(0x5F); |
| 782 | |
| 783 | auto it = bb.begin(); |
| 784 | EXPECT_EQ(it.PeekInt8(), int8_t(0xF2)); |
| 785 | it = it + 1; |
| 786 | EXPECT_EQ(it.PeekUint8(), uint8_t(0xE5)); |
| 787 | it = it + 1; |
| 788 | EXPECT_EQ(it.PeekInt8(), int8_t(0x5F)); |
| 789 | } |
| 790 | |
| 791 | TEST(ByteBuffer, Iterator_PeekValues_2Bytes) { |
| 792 | ByteBuffer<4> bb; |
| 793 | bb.PutInt16(0xA7F1); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 794 | bb.PutUint16(0xF929, std::endian::big); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 795 | |
| 796 | auto it = bb.begin(); |
| 797 | EXPECT_EQ(it.PeekInt16(), int16_t(0xA7F1)); |
| 798 | it = it + 2; |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 799 | EXPECT_EQ(it.PeekUint16(std::endian::big), uint16_t(0xF929)); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 800 | } |
| 801 | |
| 802 | TEST(ByteBuffer, Iterator_PeekValues_4Bytes) { |
| 803 | ByteBuffer<8> bb; |
| 804 | bb.PutInt32(0xFFFFFFF1); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 805 | bb.PutUint32(0xF92927B2, std::endian::big); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 806 | |
| 807 | auto it = bb.begin(); |
| 808 | EXPECT_EQ(it.PeekInt32(), int32_t(0xFFFFFFF1)); |
| 809 | it = it + 4; |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 810 | EXPECT_EQ(it.PeekUint32(std::endian::big), uint32_t(0xF92927B2)); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 811 | } |
| 812 | |
| 813 | TEST(ByteBuffer, Iterator_PeekValues_8Bytes) { |
| 814 | ByteBuffer<16> bb; |
| 815 | bb.PutUint64(0x000001E8A7A0D569); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 816 | bb.PutInt64(0xFFFFFE17585F2A97, std::endian::big); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 817 | |
| 818 | auto it = bb.begin(); |
| 819 | EXPECT_EQ(it.PeekUint64(), uint64_t(0x000001E8A7A0D569)); |
| 820 | it = it + 8; |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 821 | EXPECT_EQ(it.PeekInt64(std::endian::big), int64_t(0xFFFFFE17585F2A97)); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 822 | } |
| 823 | |
| 824 | TEST(ByteBuffer, Iterator_ReadValues_1Byte) { |
| 825 | ByteBuffer<3> bb; |
| 826 | bb.PutInt8(0xF2); |
| 827 | bb.PutUint8(0xE5); |
| 828 | bb.PutInt8(0x5F); |
| 829 | |
| 830 | auto it = bb.begin(); |
| 831 | EXPECT_EQ(it.ReadInt8(), int8_t(0xF2)); |
| 832 | EXPECT_EQ(it.ReadUint8(), uint8_t(0xE5)); |
| 833 | EXPECT_EQ(it.ReadInt8(), int8_t(0x5F)); |
| 834 | } |
| 835 | |
| 836 | TEST(ByteBuffer, Iterator_ReadValues_2Bytes) { |
| 837 | ByteBuffer<4> bb; |
| 838 | bb.PutInt16(0xA7F1); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 839 | bb.PutUint16(0xF929, std::endian::big); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 840 | |
| 841 | auto it = bb.begin(); |
| 842 | EXPECT_EQ(it.ReadInt16(), int16_t(0xA7F1)); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 843 | EXPECT_EQ(it.ReadUint16(std::endian::big), uint16_t(0xF929)); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 844 | } |
| 845 | |
| 846 | TEST(ByteBuffer, Iterator_ReadValues_4Bytes) { |
| 847 | ByteBuffer<8> bb; |
| 848 | bb.PutInt32(0xFFFFFFF1); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 849 | bb.PutUint32(0xF92927B2, std::endian::big); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 850 | |
| 851 | auto it = bb.begin(); |
| 852 | EXPECT_EQ(it.ReadInt32(), int32_t(0xFFFFFFF1)); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 853 | EXPECT_EQ(it.ReadUint32(std::endian::big), uint32_t(0xF92927B2)); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 854 | } |
| 855 | |
| 856 | TEST(ByteBuffer, Iterator_ReadValues_8Bytes) { |
| 857 | ByteBuffer<16> bb; |
| 858 | bb.PutUint64(0x000001E8A7A0D569); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 859 | bb.PutInt64(0xFFFFFE17585F2A97, std::endian::big); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 860 | |
| 861 | auto it = bb.begin(); |
| 862 | EXPECT_EQ(it.ReadUint64(), uint64_t(0x000001E8A7A0D569)); |
Wyatt Hepler | ecf1923 | 2020-09-02 14:35:09 -0700 | [diff] [blame] | 863 | EXPECT_EQ(it.ReadInt64(std::endian::big), int64_t(0xFFFFFE17585F2A97)); |
shaneajg | 5c15f0d | 2020-06-24 18:28:02 -0400 | [diff] [blame] | 864 | } |
shaneajg | 9c19db4 | 2020-06-11 15:49:51 -0400 | [diff] [blame] | 865 | } // namespace |
| 866 | } // namespace pw |