Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [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 | |
| 15 | #include "pw_hex_dump/hex_dump.h" |
| 16 | |
| 17 | #include <array> |
| 18 | #include <cinttypes> |
| 19 | #include <cstdint> |
| 20 | #include <cstring> |
| 21 | #include <span> |
| 22 | #include <string_view> |
| 23 | |
| 24 | #include "gtest/gtest.h" |
| 25 | #include "pw_log/log.h" |
| 26 | |
| 27 | namespace pw::dump { |
| 28 | namespace { |
| 29 | |
| 30 | std::array<const std::byte, 33> source_data = { |
| 31 | std::byte(0xa4), std::byte(0xcc), std::byte(0x32), std::byte(0x62), |
| 32 | std::byte(0x9b), std::byte(0x46), std::byte(0x38), std::byte(0x1a), |
| 33 | std::byte(0x23), std::byte(0x1a), std::byte(0x2a), std::byte(0x7a), |
| 34 | std::byte(0xbc), std::byte(0xe2), std::byte(0x40), std::byte(0xa0), |
| 35 | std::byte(0xff), std::byte(0x33), std::byte(0xe5), std::byte(0x2b), |
| 36 | std::byte(0x9e), std::byte(0x9f), std::byte(0x6b), std::byte(0x3c), |
| 37 | std::byte(0xbe), std::byte(0x9b), std::byte(0x89), std::byte(0x3c), |
| 38 | std::byte(0x7e), std::byte(0x4a), std::byte(0x7a), std::byte(0x48), |
| 39 | std::byte(0x18)}; |
| 40 | |
| 41 | std::array<const std::byte, 15> short_string = { |
| 42 | std::byte('m'), |
| 43 | std::byte('y'), |
| 44 | std::byte(' '), |
| 45 | std::byte('t'), |
| 46 | std::byte('e'), |
| 47 | std::byte('s'), |
| 48 | std::byte('t'), |
| 49 | std::byte(' '), |
| 50 | std::byte('s'), |
| 51 | std::byte('t'), |
| 52 | std::byte('r'), |
| 53 | std::byte('i'), |
| 54 | std::byte('n'), |
| 55 | std::byte('g'), |
| 56 | std::byte('\n'), |
| 57 | }; |
| 58 | |
| 59 | class HexDump : public ::testing::Test { |
| 60 | protected: |
| 61 | HexDump() { dumper_ = FormattedHexDumper(dest_, default_flags_); } |
| 62 | |
| 63 | // Sufficiently large destination buffer to hold line-by-line formatted hex |
| 64 | // dump. |
| 65 | std::array<char, 256> dest_ = {0}; |
| 66 | FormattedHexDumper dumper_; |
| 67 | FormattedHexDumper::Flags default_flags_ = { |
| 68 | .bytes_per_line = 16, |
| 69 | .group_every = 1, |
| 70 | .show_ascii = false, |
| 71 | .show_header = false, |
| 72 | .prefix_mode = FormattedHexDumper::AddressMode::kDisabled}; |
| 73 | }; |
| 74 | |
| 75 | class SmallBuffer : public ::testing::Test { |
| 76 | protected: |
| 77 | SmallBuffer() { |
| 78 | // Disable address prefix for most of the tests as it's platform-specific. |
| 79 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 80 | } |
| 81 | |
| 82 | // Small destination buffer that should be inadequate in some cases. |
| 83 | std::array<char, 7> dest_ = {0}; |
| 84 | FormattedHexDumper dumper_; |
| 85 | FormattedHexDumper::Flags default_flags_ = { |
| 86 | .bytes_per_line = 16, |
| 87 | .group_every = 1, |
| 88 | .show_ascii = false, |
| 89 | .show_header = false, |
| 90 | .prefix_mode = FormattedHexDumper::AddressMode::kDisabled}; |
| 91 | }; |
| 92 | |
| 93 | // On platforms where uintptr_t is 32-bit this evaluates to a 10-byte string |
| 94 | // where hex_string is prefixed with "0x". On 64-bit targets, this expands to |
| 95 | // an 18-byte string with the significant bytes are zero padded. |
| 96 | #define EXPECTED_SIGNIFICANT_BYTES(hex_string) \ |
| 97 | sizeof(uintptr_t) == sizeof(uint64_t) ? "0x00000000" hex_string \ |
| 98 | : "0x" hex_string |
| 99 | |
| 100 | TEST_F(HexDump, DumpAddr_ZeroSizeT) { |
| 101 | constexpr const char* expected = EXPECTED_SIGNIFICANT_BYTES("00000000"); |
| 102 | size_t zero = 0; |
Wyatt Hepler | 1b3da3a | 2021-01-07 13:26:57 -0800 | [diff] [blame] | 103 | EXPECT_EQ(DumpAddr(dest_, zero), OkStatus()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 104 | EXPECT_STREQ(expected, dest_.data()); |
| 105 | } |
| 106 | |
| 107 | TEST_F(HexDump, DumpAddr_NonzeroSizeT) { |
| 108 | constexpr const char* expected = EXPECTED_SIGNIFICANT_BYTES("deadbeef"); |
| 109 | size_t nonzero = 0xDEADBEEF; |
| 110 | EXPECT_TRUE(DumpAddr(dest_, nonzero).ok()); |
| 111 | EXPECT_STREQ(expected, dest_.data()); |
| 112 | } |
| 113 | |
| 114 | TEST_F(HexDump, DumpAddr_ZeroPtr) { |
| 115 | constexpr const char* expected = EXPECTED_SIGNIFICANT_BYTES("00000000"); |
| 116 | uintptr_t zero = 0; |
| 117 | EXPECT_TRUE(DumpAddr(dest_, reinterpret_cast<const void*>(zero)).ok()); |
| 118 | EXPECT_STREQ(expected, dest_.data()); |
| 119 | } |
| 120 | |
| 121 | TEST_F(HexDump, DumpAddr_NonzeroPtr) { |
| 122 | constexpr const char* expected = EXPECTED_SIGNIFICANT_BYTES("deadbeef"); |
| 123 | uintptr_t nonzero = 0xDEADBEEF; |
| 124 | EXPECT_TRUE(DumpAddr(dest_, reinterpret_cast<const void*>(nonzero)).ok()); |
| 125 | EXPECT_STREQ(expected, dest_.data()); |
| 126 | } |
| 127 | |
| 128 | TEST_F(HexDump, FormattedHexDump_Defaults) { |
| 129 | constexpr const char* expected = |
| 130 | "a4 cc 32 62 9b 46 38 1a 23 1a 2a 7a bc e2 40 a0 ..2b.F8.#.*z..@."; |
| 131 | default_flags_.show_ascii = true; |
| 132 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 133 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 134 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 135 | EXPECT_STREQ(expected, dest_.data()); |
| 136 | } |
| 137 | |
| 138 | TEST_F(HexDump, FormattedHexDump_DefaultHeader) { |
| 139 | constexpr const char* expected = |
Armando Montanez | 1cbc49a | 2021-11-19 18:30:27 -0800 | [diff] [blame] | 140 | "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f"; |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 141 | |
| 142 | default_flags_.show_header = true; |
| 143 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 144 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 145 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 146 | EXPECT_STREQ(expected, dest_.data()); |
| 147 | } |
| 148 | |
| 149 | TEST_F(HexDump, FormattedHexDump_DumpEntireBuffer) { |
| 150 | constexpr size_t kTestBytesPerLine = 8; |
| 151 | |
| 152 | default_flags_.bytes_per_line = kTestBytesPerLine; |
| 153 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 154 | |
| 155 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 156 | for (size_t i = 0; i < source_data.size(); i += kTestBytesPerLine) { |
| 157 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 158 | } |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 159 | EXPECT_EQ(dumper_.DumpLine(), Status::ResourceExhausted()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | // This test is provided for convenience of debugging, as it actually logs the |
| 163 | // dump. |
| 164 | TEST_F(HexDump, FormattedHexDump_LogDump) { |
| 165 | default_flags_.show_ascii = true; |
| 166 | default_flags_.show_header = true; |
| 167 | default_flags_.prefix_mode = FormattedHexDumper::AddressMode::kOffset; |
| 168 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 169 | |
| 170 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 171 | // Dump data. |
| 172 | while (dumper_.DumpLine().ok()) { |
| 173 | PW_LOG_INFO("%s", dest_.data()); |
| 174 | } |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 175 | EXPECT_EQ(dumper_.DumpLine(), Status::ResourceExhausted()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | TEST_F(HexDump, FormattedHexDump_NoSpaces) { |
| 179 | constexpr const char* expected = "a4cc32629b46381a231a2a7abce240a0"; |
| 180 | |
| 181 | default_flags_.group_every = 0; |
| 182 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 183 | |
| 184 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 185 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 186 | EXPECT_STREQ(expected, dest_.data()); |
| 187 | } |
| 188 | |
| 189 | TEST_F(HexDump, FormattedHexDump_SetGroupEveryByte) { |
| 190 | constexpr const char* expected = |
| 191 | "a4 cc 32 62 9b 46 38 1a 23 1a 2a 7a bc e2 40 a0"; |
| 192 | default_flags_.group_every = 1; |
| 193 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 194 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 195 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 196 | EXPECT_STREQ(expected, dest_.data()); |
| 197 | } |
| 198 | |
| 199 | TEST_F(HexDump, FormattedHexDump_SetGroupEveryThreeBytes) { |
| 200 | constexpr const char* expected = "a4cc32 629b46 381a23 1a2a7a bce240 a0"; |
| 201 | |
| 202 | default_flags_.group_every = 3; |
| 203 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 204 | |
| 205 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 206 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 207 | EXPECT_STREQ(expected, dest_.data()); |
| 208 | } |
| 209 | |
| 210 | TEST_F(HexDump, FormattedHexDump_TwoLines) { |
| 211 | constexpr const char* expected1 = "a4 cc 32 62 9b 46 38 1a"; |
| 212 | constexpr const char* expected2 = "23 1a 2a 7a bc e2 40 a0"; |
| 213 | |
| 214 | default_flags_.bytes_per_line = 8; |
| 215 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 216 | |
| 217 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 218 | // Dump first line. |
| 219 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 220 | EXPECT_STREQ(expected1, dest_.data()); |
| 221 | // Dump second line. |
| 222 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 223 | EXPECT_STREQ(expected2, dest_.data()); |
| 224 | } |
| 225 | |
Armando Montanez | 019197b | 2021-06-16 14:39:47 -0700 | [diff] [blame] | 226 | TEST_F(HexDump, FormattedHexDump_LastLineCheck) { |
| 227 | constexpr const char* expected1 = "a4cc32629b46381a 231a2a7abce240a0"; |
| 228 | constexpr const char* expected2 = "ff33e52b9e9f6b3c be9b893c7e4a7a48"; |
| 229 | constexpr const char* expected3 = "18"; |
| 230 | |
| 231 | default_flags_.bytes_per_line = 16; |
| 232 | default_flags_.group_every = 8; |
| 233 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 234 | |
| 235 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 236 | // Dump first line. |
| 237 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 238 | EXPECT_STREQ(expected1, dest_.data()); |
| 239 | // Dump second line. |
| 240 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 241 | EXPECT_STREQ(expected2, dest_.data()); |
| 242 | // Dump third line. |
| 243 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 244 | EXPECT_STREQ(expected3, dest_.data()); |
| 245 | } |
| 246 | |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 247 | TEST_F(HexDump, FormattedHexDump_Ascii) { |
| 248 | constexpr const char* expected1 = "6d 79 20 74 65 73 74 20 my test "; |
| 249 | constexpr const char* expected2 = "73 74 72 69 6e 67 0a string."; |
| 250 | |
| 251 | default_flags_.bytes_per_line = 8; |
| 252 | default_flags_.show_ascii = true; |
| 253 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 254 | |
| 255 | EXPECT_TRUE(dumper_.BeginDump(short_string).ok()); |
| 256 | // Dump first line. |
| 257 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 258 | EXPECT_STREQ(expected1, dest_.data()); |
| 259 | // Dump second line. |
| 260 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 261 | EXPECT_STREQ(expected2, dest_.data()); |
| 262 | } |
| 263 | |
| 264 | TEST_F(HexDump, FormattedHexDump_AsciiHeader) { |
Armando Montanez | 1cbc49a | 2021-11-19 18:30:27 -0800 | [diff] [blame] | 265 | constexpr const char* expected0 = "00 04 Text"; |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 266 | constexpr const char* expected1 = "6d792074 65737420 my test "; |
| 267 | constexpr const char* expected2 = "73747269 6e670a string."; |
| 268 | |
| 269 | default_flags_.bytes_per_line = 8; |
| 270 | default_flags_.group_every = 4; |
| 271 | default_flags_.show_ascii = true; |
| 272 | default_flags_.show_header = true; |
| 273 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 274 | |
| 275 | EXPECT_TRUE(dumper_.BeginDump(short_string).ok()); |
| 276 | // Dump header. |
| 277 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 278 | EXPECT_STREQ(expected0, dest_.data()); |
| 279 | // Dump first line. |
| 280 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 281 | EXPECT_STREQ(expected1, dest_.data()); |
| 282 | // Dump second line. |
| 283 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 284 | EXPECT_STREQ(expected2, dest_.data()); |
| 285 | } |
| 286 | |
| 287 | TEST_F(HexDump, FormattedHexDump_AsciiHeaderGroupEvery) { |
Armando Montanez | 1cbc49a | 2021-11-19 18:30:27 -0800 | [diff] [blame] | 288 | constexpr const char* expected0 = "00 01 02 03 04 05 06 07 Text"; |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 289 | constexpr const char* expected1 = "6d 79 20 74 65 73 74 20 my test "; |
| 290 | constexpr const char* expected2 = "73 74 72 69 6e 67 0a string."; |
| 291 | |
| 292 | default_flags_.bytes_per_line = 8; |
| 293 | default_flags_.group_every = 1; |
| 294 | default_flags_.show_ascii = true; |
| 295 | default_flags_.show_header = true; |
| 296 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 297 | |
| 298 | EXPECT_TRUE(dumper_.BeginDump(short_string).ok()); |
| 299 | // Dump header. |
| 300 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 301 | EXPECT_STREQ(expected0, dest_.data()); |
| 302 | // Dump first line. |
| 303 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 304 | EXPECT_STREQ(expected1, dest_.data()); |
| 305 | // Dump second line. |
| 306 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 307 | EXPECT_STREQ(expected2, dest_.data()); |
| 308 | } |
| 309 | |
| 310 | TEST_F(HexDump, FormattedHexDump_OffsetPrefix) { |
| 311 | constexpr const char* expected1 = "0000"; |
| 312 | constexpr const char* expected2 = "0010"; |
| 313 | |
| 314 | default_flags_.bytes_per_line = 16; |
| 315 | default_flags_.prefix_mode = FormattedHexDumper::AddressMode::kOffset; |
| 316 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 317 | |
| 318 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 319 | // Dump first line. |
| 320 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 321 | // Truncate string to only contain the offset. |
| 322 | dest_[strlen(expected1)] = '\0'; |
| 323 | EXPECT_STREQ(expected1, dest_.data()); |
| 324 | |
| 325 | // Dump second line. |
| 326 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 327 | // Truncate string to only contain the offset. |
| 328 | dest_[strlen(expected2)] = '\0'; |
| 329 | EXPECT_STREQ(expected2, dest_.data()); |
| 330 | } |
| 331 | |
| 332 | TEST_F(HexDump, FormattedHexDump_AbsolutePrefix) { |
| 333 | constexpr size_t kTestBytesPerLine = 16; |
| 334 | std::array<char, kHexAddrStringSize + 1> expected1; |
| 335 | std::array<char, kHexAddrStringSize + 1> expected2; |
Adrien Larbanet | d1ca56c | 2021-06-10 14:20:45 +0000 | [diff] [blame] | 336 | DumpAddr(expected1, source_data.data()) |
| 337 | .IgnoreError(); // TODO(pwbug/387): Handle Status properly |
| 338 | DumpAddr(expected2, source_data.data() + kTestBytesPerLine) |
| 339 | .IgnoreError(); // TODO(pwbug/387): Handle Status properly |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 340 | |
| 341 | default_flags_.bytes_per_line = kTestBytesPerLine; |
| 342 | default_flags_.prefix_mode = FormattedHexDumper::AddressMode::kAbsolute; |
| 343 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 344 | |
| 345 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 346 | // Dump first line. |
| 347 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 348 | // Truncate string to only contain the offset. |
| 349 | dest_[kHexAddrStringSize] = '\0'; |
| 350 | EXPECT_STREQ(expected1.data(), dest_.data()); |
| 351 | |
| 352 | // Dump second line. |
| 353 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 354 | // Truncate string to only contain the offset. |
| 355 | dest_[kHexAddrStringSize] = '\0'; |
| 356 | EXPECT_STREQ(expected2.data(), dest_.data()); |
| 357 | } |
| 358 | |
| 359 | TEST_F(SmallBuffer, TinyHexDump) { |
| 360 | constexpr const char* expected = "a4cc32"; |
| 361 | |
| 362 | default_flags_.bytes_per_line = 3; |
| 363 | default_flags_.group_every = 4; |
| 364 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 365 | |
| 366 | EXPECT_TRUE(dumper_.BeginDump(source_data).ok()); |
| 367 | EXPECT_TRUE(dumper_.DumpLine().ok()); |
| 368 | EXPECT_STREQ(expected, dest_.data()); |
| 369 | } |
| 370 | |
| 371 | TEST_F(SmallBuffer, TooManyBytesPerLine) { |
| 372 | constexpr const char* expected = ""; |
| 373 | |
| 374 | default_flags_.bytes_per_line = 13; |
| 375 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 376 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 377 | EXPECT_EQ(dumper_.BeginDump(source_data), Status::FailedPrecondition()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 378 | EXPECT_FALSE(dumper_.DumpLine().ok()); |
| 379 | EXPECT_STREQ(expected, dest_.data()); |
| 380 | } |
| 381 | |
| 382 | TEST_F(SmallBuffer, SpacesIncreaseBufferRequirement) { |
| 383 | constexpr const char* expected = ""; |
| 384 | |
| 385 | default_flags_.bytes_per_line = 3; |
| 386 | default_flags_.group_every = 1; |
| 387 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 388 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 389 | EXPECT_EQ(dumper_.BeginDump(source_data), Status::FailedPrecondition()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 390 | EXPECT_FALSE(dumper_.DumpLine().ok()); |
| 391 | EXPECT_STREQ(expected, dest_.data()); |
| 392 | } |
| 393 | |
| 394 | TEST_F(SmallBuffer, PrefixIncreasesBufferRequirement) { |
| 395 | constexpr const char* expected = ""; |
| 396 | |
| 397 | default_flags_.bytes_per_line = 3; |
| 398 | default_flags_.prefix_mode = FormattedHexDumper::AddressMode::kOffset; |
| 399 | dumper_ = FormattedHexDumper(dest_, default_flags_); |
| 400 | |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 401 | EXPECT_EQ(dumper_.BeginDump(source_data), Status::FailedPrecondition()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 402 | EXPECT_FALSE(dumper_.DumpLine().ok()); |
| 403 | EXPECT_STREQ(expected, dest_.data()); |
| 404 | } |
| 405 | |
| 406 | TEST(BadBuffer, ZeroSize) { |
| 407 | char buffer[1] = {static_cast<char>(0xaf)}; |
| 408 | FormattedHexDumper dumper(std::span<char>(buffer, 0)); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 409 | EXPECT_EQ(dumper.BeginDump(source_data), Status::FailedPrecondition()); |
| 410 | EXPECT_EQ(dumper.DumpLine(), Status::FailedPrecondition()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 411 | EXPECT_EQ(buffer[0], static_cast<char>(0xaf)); |
| 412 | } |
| 413 | |
| 414 | TEST(BadBuffer, NullPtrDest) { |
| 415 | FormattedHexDumper dumper; |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 416 | EXPECT_EQ(dumper.SetLineBuffer(std::span<char>()), Status::InvalidArgument()); |
| 417 | EXPECT_EQ(dumper.BeginDump(source_data), Status::FailedPrecondition()); |
| 418 | EXPECT_EQ(dumper.DumpLine(), Status::FailedPrecondition()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | TEST(BadBuffer, NullPtrSrc) { |
| 422 | char buffer[24] = {static_cast<char>(0)}; |
| 423 | FormattedHexDumper dumper(buffer); |
Wyatt Hepler | d78f7c6 | 2020-09-28 14:27:32 -0700 | [diff] [blame] | 424 | EXPECT_EQ(dumper.BeginDump(ByteSpan(nullptr, 64)), Status::InvalidArgument()); |
Armando Montanez | 593d0d5 | 2020-07-08 19:55:01 -0700 | [diff] [blame] | 425 | // Don't actually dump nullptr in this test as it could cause a crash. |
| 426 | } |
| 427 | |
| 428 | } // namespace |
| 429 | } // namespace pw::dump |