| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/strings/string_number_conversions.h" | 5 #include "base/strings/string_number_conversions.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <limits.h> | 8 #include <limits.h> |
| 9 #include <stddef.h> | 9 #include <stddef.h> |
| 10 #include <stdint.h> | 10 #include <stdint.h> |
| 11 #include <stdio.h> | 11 #include <stdio.h> |
| 12 | 12 |
| 13 #include <cmath> | 13 #include <cmath> |
| 14 #include <limits> | 14 #include <limits> |
| 15 | 15 |
| 16 #include "base/bit_cast.h" | 16 #include "base/bit_cast.h" |
| 17 #include "base/format_macros.h" | 17 #include "base/format_macros.h" |
| 18 #include "base/macros.h" | 18 #include "base/macros.h" |
| 19 #include "base/strings/stringprintf.h" | 19 #include "base/strings/stringprintf.h" |
| 20 #include "base/strings/utf_string_conversions.h" | 20 #include "base/strings/utf_string_conversions.h" |
| 21 #include "testing/gtest/include/gtest/gtest.h" | 21 #include "testing/gtest/include/gtest/gtest.h" |
| 22 | 22 |
| 23 namespace base { | 23 namespace base { |
| 24 | 24 |
| 25 namespace { | |
| 26 | |
| 27 template <typename INT> | |
| 28 struct IntToStringTest { | |
| 29 INT num; | |
| 30 const char* sexpected; | |
| 31 const char* uexpected; | |
| 32 }; | |
| 33 | |
| 34 } // namespace | |
| 35 | |
| 36 TEST(StringNumberConversionsTest, IntToString) { | |
| 37 static const IntToStringTest<int> int_tests[] = { | |
| 38 { 0, "0", "0" }, | |
| 39 { -1, "-1", "4294967295" }, | |
| 40 { std::numeric_limits<int>::max(), "2147483647", "2147483647" }, | |
| 41 { std::numeric_limits<int>::min(), "-2147483648", "2147483648" }, | |
| 42 }; | |
| 43 static const IntToStringTest<int64_t> int64_tests[] = { | |
| 44 {0, "0", "0"}, | |
| 45 {-1, "-1", "18446744073709551615"}, | |
| 46 { | |
| 47 std::numeric_limits<int64_t>::max(), "9223372036854775807", | |
| 48 "9223372036854775807", | |
| 49 }, | |
| 50 {std::numeric_limits<int64_t>::min(), "-9223372036854775808", | |
| 51 "9223372036854775808"}, | |
| 52 }; | |
| 53 | |
| 54 for (size_t i = 0; i < arraysize(int_tests); ++i) { | |
| 55 const IntToStringTest<int>* test = &int_tests[i]; | |
| 56 EXPECT_EQ(IntToString(test->num), test->sexpected); | |
| 57 EXPECT_EQ(IntToString16(test->num), UTF8ToUTF16(test->sexpected)); | |
| 58 EXPECT_EQ(UintToString(test->num), test->uexpected); | |
| 59 EXPECT_EQ(UintToString16(test->num), UTF8ToUTF16(test->uexpected)); | |
| 60 } | |
| 61 for (size_t i = 0; i < arraysize(int64_tests); ++i) { | |
| 62 const IntToStringTest<int64_t>* test = &int64_tests[i]; | |
| 63 EXPECT_EQ(Int64ToString(test->num), test->sexpected); | |
| 64 EXPECT_EQ(Int64ToString16(test->num), UTF8ToUTF16(test->sexpected)); | |
| 65 EXPECT_EQ(Uint64ToString(test->num), test->uexpected); | |
| 66 EXPECT_EQ(Uint64ToString16(test->num), UTF8ToUTF16(test->uexpected)); | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 TEST(StringNumberConversionsTest, Uint64ToString) { | |
| 71 static const struct { | |
| 72 uint64_t input; | |
| 73 std::string output; | |
| 74 } cases[] = { | |
| 75 {0, "0"}, | |
| 76 {42, "42"}, | |
| 77 {INT_MAX, "2147483647"}, | |
| 78 {std::numeric_limits<uint64_t>::max(), "18446744073709551615"}, | |
| 79 }; | |
| 80 | |
| 81 for (size_t i = 0; i < arraysize(cases); ++i) | |
| 82 EXPECT_EQ(cases[i].output, Uint64ToString(cases[i].input)); | |
| 83 } | |
| 84 | |
| 85 TEST(StringNumberConversionsTest, SizeTToString) { | |
| 86 size_t size_t_max = std::numeric_limits<size_t>::max(); | |
| 87 std::string size_t_max_string = StringPrintf("%" PRIuS, size_t_max); | |
| 88 | |
| 89 static const struct { | |
| 90 size_t input; | |
| 91 std::string output; | |
| 92 } cases[] = { | |
| 93 {0, "0"}, | |
| 94 {9, "9"}, | |
| 95 {42, "42"}, | |
| 96 {INT_MAX, "2147483647"}, | |
| 97 {2147483648U, "2147483648"}, | |
| 98 #if SIZE_MAX > 4294967295U | |
| 99 {99999999999U, "99999999999"}, | |
| 100 #endif | |
| 101 {size_t_max, size_t_max_string}, | |
| 102 }; | |
| 103 | |
| 104 for (size_t i = 0; i < arraysize(cases); ++i) | |
| 105 EXPECT_EQ(cases[i].output, Uint64ToString(cases[i].input)); | |
| 106 } | |
| 107 | |
| 108 TEST(StringNumberConversionsTest, StringToInt) { | |
| 109 static const struct { | |
| 110 std::string input; | |
| 111 int output; | |
| 112 bool success; | |
| 113 } cases[] = { | |
| 114 {"0", 0, true}, | |
| 115 {"42", 42, true}, | |
| 116 {"42\x99", 42, false}, | |
| 117 {"\x99" "42\x99", 0, false}, | |
| 118 {"-2147483648", INT_MIN, true}, | |
| 119 {"2147483647", INT_MAX, true}, | |
| 120 {"", 0, false}, | |
| 121 {" 42", 42, false}, | |
| 122 {"42 ", 42, false}, | |
| 123 {"\t\n\v\f\r 42", 42, false}, | |
| 124 {"blah42", 0, false}, | |
| 125 {"42blah", 42, false}, | |
| 126 {"blah42blah", 0, false}, | |
| 127 {"-273.15", -273, false}, | |
| 128 {"+98.6", 98, false}, | |
| 129 {"--123", 0, false}, | |
| 130 {"++123", 0, false}, | |
| 131 {"-+123", 0, false}, | |
| 132 {"+-123", 0, false}, | |
| 133 {"-", 0, false}, | |
| 134 {"-2147483649", INT_MIN, false}, | |
| 135 {"-99999999999", INT_MIN, false}, | |
| 136 {"2147483648", INT_MAX, false}, | |
| 137 {"99999999999", INT_MAX, false}, | |
| 138 }; | |
| 139 | |
| 140 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 141 int output = cases[i].output ^ 1; // Ensure StringToInt wrote something. | |
| 142 EXPECT_EQ(cases[i].success, StringToInt(cases[i].input, &output)); | |
| 143 EXPECT_EQ(cases[i].output, output); | |
| 144 | |
| 145 string16 utf16_input = UTF8ToUTF16(cases[i].input); | |
| 146 output = cases[i].output ^ 1; // Ensure StringToInt wrote something. | |
| 147 EXPECT_EQ(cases[i].success, StringToInt(utf16_input, &output)); | |
| 148 EXPECT_EQ(cases[i].output, output); | |
| 149 } | |
| 150 | |
| 151 // One additional test to verify that conversion of numbers in strings with | |
| 152 // embedded NUL characters. The NUL and extra data after it should be | |
| 153 // interpreted as junk after the number. | |
| 154 const char input[] = "6\06"; | |
| 155 std::string input_string(input, arraysize(input) - 1); | |
| 156 int output; | |
| 157 EXPECT_FALSE(StringToInt(input_string, &output)); | |
| 158 EXPECT_EQ(6, output); | |
| 159 | |
| 160 string16 utf16_input = UTF8ToUTF16(input_string); | |
| 161 output = 0; | |
| 162 EXPECT_FALSE(StringToInt(utf16_input, &output)); | |
| 163 EXPECT_EQ(6, output); | |
| 164 | |
| 165 output = 0; | |
| 166 const char16 negative_wide_input[] = { 0xFF4D, '4', '2', 0}; | |
| 167 EXPECT_FALSE(StringToInt(string16(negative_wide_input), &output)); | |
| 168 EXPECT_EQ(0, output); | |
| 169 } | |
| 170 | |
| 171 TEST(StringNumberConversionsTest, StringToUint) { | |
| 172 static const struct { | |
| 173 std::string input; | |
| 174 unsigned output; | |
| 175 bool success; | |
| 176 } cases[] = { | |
| 177 {"0", 0, true}, | |
| 178 {"42", 42, true}, | |
| 179 {"42\x99", 42, false}, | |
| 180 {"\x99" "42\x99", 0, false}, | |
| 181 {"-2147483648", 0, false}, | |
| 182 {"2147483647", INT_MAX, true}, | |
| 183 {"", 0, false}, | |
| 184 {" 42", 42, false}, | |
| 185 {"42 ", 42, false}, | |
| 186 {"\t\n\v\f\r 42", 42, false}, | |
| 187 {"blah42", 0, false}, | |
| 188 {"42blah", 42, false}, | |
| 189 {"blah42blah", 0, false}, | |
| 190 {"-273.15", 0, false}, | |
| 191 {"+98.6", 98, false}, | |
| 192 {"--123", 0, false}, | |
| 193 {"++123", 0, false}, | |
| 194 {"-+123", 0, false}, | |
| 195 {"+-123", 0, false}, | |
| 196 {"-", 0, false}, | |
| 197 {"-2147483649", 0, false}, | |
| 198 {"-99999999999", 0, false}, | |
| 199 {"4294967295", UINT_MAX, true}, | |
| 200 {"4294967296", UINT_MAX, false}, | |
| 201 {"99999999999", UINT_MAX, false}, | |
| 202 }; | |
| 203 | |
| 204 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 205 unsigned output = | |
| 206 cases[i].output ^ 1; // Ensure StringToUint wrote something. | |
| 207 EXPECT_EQ(cases[i].success, StringToUint(cases[i].input, &output)); | |
| 208 EXPECT_EQ(cases[i].output, output); | |
| 209 | |
| 210 string16 utf16_input = UTF8ToUTF16(cases[i].input); | |
| 211 output = cases[i].output ^ 1; // Ensure StringToUint wrote something. | |
| 212 EXPECT_EQ(cases[i].success, StringToUint(utf16_input, &output)); | |
| 213 EXPECT_EQ(cases[i].output, output); | |
| 214 } | |
| 215 | |
| 216 // One additional test to verify that conversion of numbers in strings with | |
| 217 // embedded NUL characters. The NUL and extra data after it should be | |
| 218 // interpreted as junk after the number. | |
| 219 const char input[] = "6\06"; | |
| 220 std::string input_string(input, arraysize(input) - 1); | |
| 221 unsigned output; | |
| 222 EXPECT_FALSE(StringToUint(input_string, &output)); | |
| 223 EXPECT_EQ(6U, output); | |
| 224 | |
| 225 string16 utf16_input = UTF8ToUTF16(input_string); | |
| 226 output = 0; | |
| 227 EXPECT_FALSE(StringToUint(utf16_input, &output)); | |
| 228 EXPECT_EQ(6U, output); | |
| 229 | |
| 230 output = 0; | |
| 231 const char16 negative_wide_input[] = { 0xFF4D, '4', '2', 0}; | |
| 232 EXPECT_FALSE(StringToUint(string16(negative_wide_input), &output)); | |
| 233 EXPECT_EQ(0U, output); | |
| 234 } | |
| 235 | |
| 236 TEST(StringNumberConversionsTest, StringToInt64) { | |
| 237 static const struct { | |
| 238 std::string input; | |
| 239 int64_t output; | |
| 240 bool success; | |
| 241 } cases[] = { | |
| 242 {"0", 0, true}, | |
| 243 {"42", 42, true}, | |
| 244 {"-2147483648", INT_MIN, true}, | |
| 245 {"2147483647", INT_MAX, true}, | |
| 246 {"-2147483649", INT64_C(-2147483649), true}, | |
| 247 {"-99999999999", INT64_C(-99999999999), true}, | |
| 248 {"2147483648", INT64_C(2147483648), true}, | |
| 249 {"99999999999", INT64_C(99999999999), true}, | |
| 250 {"9223372036854775807", std::numeric_limits<int64_t>::max(), true}, | |
| 251 {"-9223372036854775808", std::numeric_limits<int64_t>::min(), true}, | |
| 252 {"09", 9, true}, | |
| 253 {"-09", -9, true}, | |
| 254 {"", 0, false}, | |
| 255 {" 42", 42, false}, | |
| 256 {"42 ", 42, false}, | |
| 257 {"0x42", 0, false}, | |
| 258 {"\t\n\v\f\r 42", 42, false}, | |
| 259 {"blah42", 0, false}, | |
| 260 {"42blah", 42, false}, | |
| 261 {"blah42blah", 0, false}, | |
| 262 {"-273.15", -273, false}, | |
| 263 {"+98.6", 98, false}, | |
| 264 {"--123", 0, false}, | |
| 265 {"++123", 0, false}, | |
| 266 {"-+123", 0, false}, | |
| 267 {"+-123", 0, false}, | |
| 268 {"-", 0, false}, | |
| 269 {"-9223372036854775809", std::numeric_limits<int64_t>::min(), false}, | |
| 270 {"-99999999999999999999", std::numeric_limits<int64_t>::min(), false}, | |
| 271 {"9223372036854775808", std::numeric_limits<int64_t>::max(), false}, | |
| 272 {"99999999999999999999", std::numeric_limits<int64_t>::max(), false}, | |
| 273 }; | |
| 274 | |
| 275 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 276 int64_t output = 0; | |
| 277 EXPECT_EQ(cases[i].success, StringToInt64(cases[i].input, &output)); | |
| 278 EXPECT_EQ(cases[i].output, output); | |
| 279 | |
| 280 string16 utf16_input = UTF8ToUTF16(cases[i].input); | |
| 281 output = 0; | |
| 282 EXPECT_EQ(cases[i].success, StringToInt64(utf16_input, &output)); | |
| 283 EXPECT_EQ(cases[i].output, output); | |
| 284 } | |
| 285 | |
| 286 // One additional test to verify that conversion of numbers in strings with | |
| 287 // embedded NUL characters. The NUL and extra data after it should be | |
| 288 // interpreted as junk after the number. | |
| 289 const char input[] = "6\06"; | |
| 290 std::string input_string(input, arraysize(input) - 1); | |
| 291 int64_t output; | |
| 292 EXPECT_FALSE(StringToInt64(input_string, &output)); | |
| 293 EXPECT_EQ(6, output); | |
| 294 | |
| 295 string16 utf16_input = UTF8ToUTF16(input_string); | |
| 296 output = 0; | |
| 297 EXPECT_FALSE(StringToInt64(utf16_input, &output)); | |
| 298 EXPECT_EQ(6, output); | |
| 299 } | |
| 300 | |
| 301 TEST(StringNumberConversionsTest, StringToUint64) { | |
| 302 static const struct { | |
| 303 std::string input; | |
| 304 uint64_t output; | |
| 305 bool success; | |
| 306 } cases[] = { | |
| 307 {"0", 0, true}, | |
| 308 {"42", 42, true}, | |
| 309 {"-2147483648", 0, false}, | |
| 310 {"2147483647", INT_MAX, true}, | |
| 311 {"-2147483649", 0, false}, | |
| 312 {"-99999999999", 0, false}, | |
| 313 {"2147483648", UINT64_C(2147483648), true}, | |
| 314 {"99999999999", UINT64_C(99999999999), true}, | |
| 315 {"9223372036854775807", std::numeric_limits<int64_t>::max(), true}, | |
| 316 {"-9223372036854775808", 0, false}, | |
| 317 {"09", 9, true}, | |
| 318 {"-09", 0, false}, | |
| 319 {"", 0, false}, | |
| 320 {" 42", 42, false}, | |
| 321 {"42 ", 42, false}, | |
| 322 {"0x42", 0, false}, | |
| 323 {"\t\n\v\f\r 42", 42, false}, | |
| 324 {"blah42", 0, false}, | |
| 325 {"42blah", 42, false}, | |
| 326 {"blah42blah", 0, false}, | |
| 327 {"-273.15", 0, false}, | |
| 328 {"+98.6", 98, false}, | |
| 329 {"--123", 0, false}, | |
| 330 {"++123", 0, false}, | |
| 331 {"-+123", 0, false}, | |
| 332 {"+-123", 0, false}, | |
| 333 {"-", 0, false}, | |
| 334 {"-9223372036854775809", 0, false}, | |
| 335 {"-99999999999999999999", 0, false}, | |
| 336 {"9223372036854775808", UINT64_C(9223372036854775808), true}, | |
| 337 {"99999999999999999999", std::numeric_limits<uint64_t>::max(), false}, | |
| 338 {"18446744073709551615", std::numeric_limits<uint64_t>::max(), true}, | |
| 339 {"18446744073709551616", std::numeric_limits<uint64_t>::max(), false}, | |
| 340 }; | |
| 341 | |
| 342 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 343 uint64_t output = 0; | |
| 344 EXPECT_EQ(cases[i].success, StringToUint64(cases[i].input, &output)); | |
| 345 EXPECT_EQ(cases[i].output, output); | |
| 346 | |
| 347 string16 utf16_input = UTF8ToUTF16(cases[i].input); | |
| 348 output = 0; | |
| 349 EXPECT_EQ(cases[i].success, StringToUint64(utf16_input, &output)); | |
| 350 EXPECT_EQ(cases[i].output, output); | |
| 351 } | |
| 352 | |
| 353 // One additional test to verify that conversion of numbers in strings with | |
| 354 // embedded NUL characters. The NUL and extra data after it should be | |
| 355 // interpreted as junk after the number. | |
| 356 const char input[] = "6\06"; | |
| 357 std::string input_string(input, arraysize(input) - 1); | |
| 358 uint64_t output; | |
| 359 EXPECT_FALSE(StringToUint64(input_string, &output)); | |
| 360 EXPECT_EQ(6U, output); | |
| 361 | |
| 362 string16 utf16_input = UTF8ToUTF16(input_string); | |
| 363 output = 0; | |
| 364 EXPECT_FALSE(StringToUint64(utf16_input, &output)); | |
| 365 EXPECT_EQ(6U, output); | |
| 366 } | |
| 367 | |
| 368 TEST(StringNumberConversionsTest, StringToSizeT) { | |
| 369 size_t size_t_max = std::numeric_limits<size_t>::max(); | |
| 370 std::string size_t_max_string = StringPrintf("%" PRIuS, size_t_max); | |
| 371 | |
| 372 static const struct { | |
| 373 std::string input; | |
| 374 size_t output; | |
| 375 bool success; | |
| 376 } cases[] = { | |
| 377 {"0", 0, true}, | |
| 378 {"42", 42, true}, | |
| 379 {"-2147483648", 0, false}, | |
| 380 {"2147483647", INT_MAX, true}, | |
| 381 {"-2147483649", 0, false}, | |
| 382 {"-99999999999", 0, false}, | |
| 383 {"2147483648", 2147483648U, true}, | |
| 384 #if SIZE_MAX > 4294967295U | |
| 385 {"99999999999", 99999999999U, true}, | |
| 386 #endif | |
| 387 {"-9223372036854775808", 0, false}, | |
| 388 {"09", 9, true}, | |
| 389 {"-09", 0, false}, | |
| 390 {"", 0, false}, | |
| 391 {" 42", 42, false}, | |
| 392 {"42 ", 42, false}, | |
| 393 {"0x42", 0, false}, | |
| 394 {"\t\n\v\f\r 42", 42, false}, | |
| 395 {"blah42", 0, false}, | |
| 396 {"42blah", 42, false}, | |
| 397 {"blah42blah", 0, false}, | |
| 398 {"-273.15", 0, false}, | |
| 399 {"+98.6", 98, false}, | |
| 400 {"--123", 0, false}, | |
| 401 {"++123", 0, false}, | |
| 402 {"-+123", 0, false}, | |
| 403 {"+-123", 0, false}, | |
| 404 {"-", 0, false}, | |
| 405 {"-9223372036854775809", 0, false}, | |
| 406 {"-99999999999999999999", 0, false}, | |
| 407 {"999999999999999999999999", size_t_max, false}, | |
| 408 {size_t_max_string, size_t_max, true}, | |
| 409 }; | |
| 410 | |
| 411 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 412 size_t output = 0; | |
| 413 EXPECT_EQ(cases[i].success, StringToSizeT(cases[i].input, &output)); | |
| 414 EXPECT_EQ(cases[i].output, output); | |
| 415 | |
| 416 string16 utf16_input = UTF8ToUTF16(cases[i].input); | |
| 417 output = 0; | |
| 418 EXPECT_EQ(cases[i].success, StringToSizeT(utf16_input, &output)); | |
| 419 EXPECT_EQ(cases[i].output, output); | |
| 420 } | |
| 421 | |
| 422 // One additional test to verify that conversion of numbers in strings with | |
| 423 // embedded NUL characters. The NUL and extra data after it should be | |
| 424 // interpreted as junk after the number. | |
| 425 const char input[] = "6\06"; | |
| 426 std::string input_string(input, arraysize(input) - 1); | |
| 427 size_t output; | |
| 428 EXPECT_FALSE(StringToSizeT(input_string, &output)); | |
| 429 EXPECT_EQ(6U, output); | |
| 430 | |
| 431 string16 utf16_input = UTF8ToUTF16(input_string); | |
| 432 output = 0; | |
| 433 EXPECT_FALSE(StringToSizeT(utf16_input, &output)); | |
| 434 EXPECT_EQ(6U, output); | |
| 435 } | |
| 436 | |
| 437 TEST(StringNumberConversionsTest, HexStringToInt) { | |
| 438 static const struct { | |
| 439 std::string input; | |
| 440 int64_t output; | |
| 441 bool success; | |
| 442 } cases[] = { | |
| 443 {"0", 0, true}, | |
| 444 {"42", 66, true}, | |
| 445 {"-42", -66, true}, | |
| 446 {"+42", 66, true}, | |
| 447 {"7fffffff", INT_MAX, true}, | |
| 448 {"-80000000", INT_MIN, true}, | |
| 449 {"80000000", INT_MAX, false}, // Overflow test. | |
| 450 {"-80000001", INT_MIN, false}, // Underflow test. | |
| 451 {"0x42", 66, true}, | |
| 452 {"-0x42", -66, true}, | |
| 453 {"+0x42", 66, true}, | |
| 454 {"0x7fffffff", INT_MAX, true}, | |
| 455 {"-0x80000000", INT_MIN, true}, | |
| 456 {"-80000000", INT_MIN, true}, | |
| 457 {"80000000", INT_MAX, false}, // Overflow test. | |
| 458 {"-80000001", INT_MIN, false}, // Underflow test. | |
| 459 {"0x0f", 15, true}, | |
| 460 {"0f", 15, true}, | |
| 461 {" 45", 0x45, false}, | |
| 462 {"\t\n\v\f\r 0x45", 0x45, false}, | |
| 463 {" 45", 0x45, false}, | |
| 464 {"45 ", 0x45, false}, | |
| 465 {"45:", 0x45, false}, | |
| 466 {"efgh", 0xef, false}, | |
| 467 {"0xefgh", 0xef, false}, | |
| 468 {"hgfe", 0, false}, | |
| 469 {"-", 0, false}, | |
| 470 {"", 0, false}, | |
| 471 {"0x", 0, false}, | |
| 472 }; | |
| 473 | |
| 474 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 475 int output = 0; | |
| 476 EXPECT_EQ(cases[i].success, HexStringToInt(cases[i].input, &output)); | |
| 477 EXPECT_EQ(cases[i].output, output); | |
| 478 } | |
| 479 // One additional test to verify that conversion of numbers in strings with | |
| 480 // embedded NUL characters. The NUL and extra data after it should be | |
| 481 // interpreted as junk after the number. | |
| 482 const char input[] = "0xc0ffee\0" "9"; | |
| 483 std::string input_string(input, arraysize(input) - 1); | |
| 484 int output; | |
| 485 EXPECT_FALSE(HexStringToInt(input_string, &output)); | |
| 486 EXPECT_EQ(0xc0ffee, output); | |
| 487 } | |
| 488 | |
| 489 TEST(StringNumberConversionsTest, HexStringToUInt) { | |
| 490 static const struct { | |
| 491 std::string input; | |
| 492 uint32_t output; | |
| 493 bool success; | |
| 494 } cases[] = { | |
| 495 {"0", 0, true}, | |
| 496 {"42", 0x42, true}, | |
| 497 {"-42", 0, false}, | |
| 498 {"+42", 0x42, true}, | |
| 499 {"7fffffff", INT_MAX, true}, | |
| 500 {"-80000000", 0, false}, | |
| 501 {"ffffffff", 0xffffffff, true}, | |
| 502 {"DeadBeef", 0xdeadbeef, true}, | |
| 503 {"0x42", 0x42, true}, | |
| 504 {"-0x42", 0, false}, | |
| 505 {"+0x42", 0x42, true}, | |
| 506 {"0x7fffffff", INT_MAX, true}, | |
| 507 {"-0x80000000", 0, false}, | |
| 508 {"0xffffffff", std::numeric_limits<uint32_t>::max(), true}, | |
| 509 {"0XDeadBeef", 0xdeadbeef, true}, | |
| 510 {"0x7fffffffffffffff", std::numeric_limits<uint32_t>::max(), | |
| 511 false}, // Overflow test. | |
| 512 {"-0x8000000000000000", 0, false}, | |
| 513 {"0x8000000000000000", std::numeric_limits<uint32_t>::max(), | |
| 514 false}, // Overflow test. | |
| 515 {"-0x8000000000000001", 0, false}, | |
| 516 {"0xFFFFFFFFFFFFFFFF", std::numeric_limits<uint32_t>::max(), | |
| 517 false}, // Overflow test. | |
| 518 {"FFFFFFFFFFFFFFFF", std::numeric_limits<uint32_t>::max(), | |
| 519 false}, // Overflow test. | |
| 520 {"0x0000000000000000", 0, true}, | |
| 521 {"0000000000000000", 0, true}, | |
| 522 {"1FFFFFFFFFFFFFFFF", std::numeric_limits<uint32_t>::max(), | |
| 523 false}, // Overflow test. | |
| 524 {"0x0f", 0x0f, true}, | |
| 525 {"0f", 0x0f, true}, | |
| 526 {" 45", 0x45, false}, | |
| 527 {"\t\n\v\f\r 0x45", 0x45, false}, | |
| 528 {" 45", 0x45, false}, | |
| 529 {"45 ", 0x45, false}, | |
| 530 {"45:", 0x45, false}, | |
| 531 {"efgh", 0xef, false}, | |
| 532 {"0xefgh", 0xef, false}, | |
| 533 {"hgfe", 0, false}, | |
| 534 {"-", 0, false}, | |
| 535 {"", 0, false}, | |
| 536 {"0x", 0, false}, | |
| 537 }; | |
| 538 | |
| 539 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 540 uint32_t output = 0; | |
| 541 EXPECT_EQ(cases[i].success, HexStringToUInt(cases[i].input, &output)); | |
| 542 EXPECT_EQ(cases[i].output, output); | |
| 543 } | |
| 544 // One additional test to verify that conversion of numbers in strings with | |
| 545 // embedded NUL characters. The NUL and extra data after it should be | |
| 546 // interpreted as junk after the number. | |
| 547 const char input[] = "0xc0ffee\0" "9"; | |
| 548 std::string input_string(input, arraysize(input) - 1); | |
| 549 uint32_t output; | |
| 550 EXPECT_FALSE(HexStringToUInt(input_string, &output)); | |
| 551 EXPECT_EQ(0xc0ffeeU, output); | |
| 552 } | |
| 553 | |
| 554 TEST(StringNumberConversionsTest, HexStringToInt64) { | |
| 555 static const struct { | |
| 556 std::string input; | |
| 557 int64_t output; | |
| 558 bool success; | |
| 559 } cases[] = { | |
| 560 {"0", 0, true}, | |
| 561 {"42", 66, true}, | |
| 562 {"-42", -66, true}, | |
| 563 {"+42", 66, true}, | |
| 564 {"40acd88557b", INT64_C(4444444448123), true}, | |
| 565 {"7fffffff", INT_MAX, true}, | |
| 566 {"-80000000", INT_MIN, true}, | |
| 567 {"ffffffff", 0xffffffff, true}, | |
| 568 {"DeadBeef", 0xdeadbeef, true}, | |
| 569 {"0x42", 66, true}, | |
| 570 {"-0x42", -66, true}, | |
| 571 {"+0x42", 66, true}, | |
| 572 {"0x40acd88557b", INT64_C(4444444448123), true}, | |
| 573 {"0x7fffffff", INT_MAX, true}, | |
| 574 {"-0x80000000", INT_MIN, true}, | |
| 575 {"0xffffffff", 0xffffffff, true}, | |
| 576 {"0XDeadBeef", 0xdeadbeef, true}, | |
| 577 {"0x7fffffffffffffff", std::numeric_limits<int64_t>::max(), true}, | |
| 578 {"-0x8000000000000000", std::numeric_limits<int64_t>::min(), true}, | |
| 579 {"0x8000000000000000", std::numeric_limits<int64_t>::max(), | |
| 580 false}, // Overflow test. | |
| 581 {"-0x8000000000000001", std::numeric_limits<int64_t>::min(), | |
| 582 false}, // Underflow test. | |
| 583 {"0x0f", 15, true}, | |
| 584 {"0f", 15, true}, | |
| 585 {" 45", 0x45, false}, | |
| 586 {"\t\n\v\f\r 0x45", 0x45, false}, | |
| 587 {" 45", 0x45, false}, | |
| 588 {"45 ", 0x45, false}, | |
| 589 {"45:", 0x45, false}, | |
| 590 {"efgh", 0xef, false}, | |
| 591 {"0xefgh", 0xef, false}, | |
| 592 {"hgfe", 0, false}, | |
| 593 {"-", 0, false}, | |
| 594 {"", 0, false}, | |
| 595 {"0x", 0, false}, | |
| 596 }; | |
| 597 | |
| 598 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 599 int64_t output = 0; | |
| 600 EXPECT_EQ(cases[i].success, HexStringToInt64(cases[i].input, &output)); | |
| 601 EXPECT_EQ(cases[i].output, output); | |
| 602 } | |
| 603 // One additional test to verify that conversion of numbers in strings with | |
| 604 // embedded NUL characters. The NUL and extra data after it should be | |
| 605 // interpreted as junk after the number. | |
| 606 const char input[] = "0xc0ffee\0" "9"; | |
| 607 std::string input_string(input, arraysize(input) - 1); | |
| 608 int64_t output; | |
| 609 EXPECT_FALSE(HexStringToInt64(input_string, &output)); | |
| 610 EXPECT_EQ(0xc0ffee, output); | |
| 611 } | |
| 612 | |
| 613 TEST(StringNumberConversionsTest, HexStringToUInt64) { | |
| 614 static const struct { | |
| 615 std::string input; | |
| 616 uint64_t output; | |
| 617 bool success; | |
| 618 } cases[] = { | |
| 619 {"0", 0, true}, | |
| 620 {"42", 66, true}, | |
| 621 {"-42", 0, false}, | |
| 622 {"+42", 66, true}, | |
| 623 {"40acd88557b", INT64_C(4444444448123), true}, | |
| 624 {"7fffffff", INT_MAX, true}, | |
| 625 {"-80000000", 0, false}, | |
| 626 {"ffffffff", 0xffffffff, true}, | |
| 627 {"DeadBeef", 0xdeadbeef, true}, | |
| 628 {"0x42", 66, true}, | |
| 629 {"-0x42", 0, false}, | |
| 630 {"+0x42", 66, true}, | |
| 631 {"0x40acd88557b", INT64_C(4444444448123), true}, | |
| 632 {"0x7fffffff", INT_MAX, true}, | |
| 633 {"-0x80000000", 0, false}, | |
| 634 {"0xffffffff", 0xffffffff, true}, | |
| 635 {"0XDeadBeef", 0xdeadbeef, true}, | |
| 636 {"0x7fffffffffffffff", std::numeric_limits<int64_t>::max(), true}, | |
| 637 {"-0x8000000000000000", 0, false}, | |
| 638 {"0x8000000000000000", UINT64_C(0x8000000000000000), true}, | |
| 639 {"-0x8000000000000001", 0, false}, | |
| 640 {"0xFFFFFFFFFFFFFFFF", std::numeric_limits<uint64_t>::max(), true}, | |
| 641 {"FFFFFFFFFFFFFFFF", std::numeric_limits<uint64_t>::max(), true}, | |
| 642 {"0x0000000000000000", 0, true}, | |
| 643 {"0000000000000000", 0, true}, | |
| 644 {"1FFFFFFFFFFFFFFFF", std::numeric_limits<uint64_t>::max(), | |
| 645 false}, // Overflow test. | |
| 646 {"0x0f", 15, true}, | |
| 647 {"0f", 15, true}, | |
| 648 {" 45", 0x45, false}, | |
| 649 {"\t\n\v\f\r 0x45", 0x45, false}, | |
| 650 {" 45", 0x45, false}, | |
| 651 {"45 ", 0x45, false}, | |
| 652 {"45:", 0x45, false}, | |
| 653 {"efgh", 0xef, false}, | |
| 654 {"0xefgh", 0xef, false}, | |
| 655 {"hgfe", 0, false}, | |
| 656 {"-", 0, false}, | |
| 657 {"", 0, false}, | |
| 658 {"0x", 0, false}, | |
| 659 }; | |
| 660 | |
| 661 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 662 uint64_t output = 0; | |
| 663 EXPECT_EQ(cases[i].success, HexStringToUInt64(cases[i].input, &output)); | |
| 664 EXPECT_EQ(cases[i].output, output); | |
| 665 } | |
| 666 // One additional test to verify that conversion of numbers in strings with | |
| 667 // embedded NUL characters. The NUL and extra data after it should be | |
| 668 // interpreted as junk after the number. | |
| 669 const char input[] = "0xc0ffee\0" "9"; | |
| 670 std::string input_string(input, arraysize(input) - 1); | |
| 671 uint64_t output; | |
| 672 EXPECT_FALSE(HexStringToUInt64(input_string, &output)); | |
| 673 EXPECT_EQ(0xc0ffeeU, output); | |
| 674 } | |
| 675 | |
| 676 TEST(StringNumberConversionsTest, HexStringToBytes) { | 25 TEST(StringNumberConversionsTest, HexStringToBytes) { |
| 677 static const struct { | 26 static const struct { |
| 678 const std::string input; | 27 const std::string input; |
| 679 const char* output; | 28 const char* output; |
| 680 size_t output_len; | 29 size_t output_len; |
| 681 bool success; | 30 bool success; |
| 682 } cases[] = { | 31 } cases[] = { |
| 683 {"0", "", 0, false}, // odd number of characters fails | 32 {"0", "", 0, false}, // odd number of characters fails |
| 684 {"00", "\0", 1, true}, | 33 {"00", "\0", 1, true}, |
| 685 {"42", "\x42", 1, true}, | 34 {"42", "\x42", 1, true}, |
| (...skipping 17 matching lines...) Expand all Loading... |
| 703 for (size_t i = 0; i < arraysize(cases); ++i) { | 52 for (size_t i = 0; i < arraysize(cases); ++i) { |
| 704 std::vector<uint8_t> output; | 53 std::vector<uint8_t> output; |
| 705 std::vector<uint8_t> compare; | 54 std::vector<uint8_t> compare; |
| 706 EXPECT_EQ(cases[i].success, HexStringToBytes(cases[i].input, &output)) << | 55 EXPECT_EQ(cases[i].success, HexStringToBytes(cases[i].input, &output)) << |
| 707 i << ": " << cases[i].input; | 56 i << ": " << cases[i].input; |
| 708 for (size_t j = 0; j < cases[i].output_len; ++j) | 57 for (size_t j = 0; j < cases[i].output_len; ++j) |
| 709 compare.push_back(static_cast<uint8_t>(cases[i].output[j])); | 58 compare.push_back(static_cast<uint8_t>(cases[i].output[j])); |
| 710 ASSERT_EQ(output.size(), compare.size()) << i << ": " << cases[i].input; | 59 ASSERT_EQ(output.size(), compare.size()) << i << ": " << cases[i].input; |
| 711 EXPECT_TRUE(std::equal(output.begin(), output.end(), compare.begin())) << | 60 EXPECT_TRUE(std::equal(output.begin(), output.end(), compare.begin())) << |
| 712 i << ": " << cases[i].input; | 61 i << ": " << cases[i].input; |
| 62 for (size_t i = 0; i < compare.size(); ++i ) { |
| 63 fprintf(stderr, "%x=%x ", output[i], compare[i]); |
| 64 } |
| 65 fprintf(stderr, "\n"); |
| 713 } | 66 } |
| 714 } | 67 } |
| 715 | 68 |
| 716 TEST(StringNumberConversionsTest, StringToDouble) { | |
| 717 static const struct { | |
| 718 std::string input; | |
| 719 double output; | |
| 720 bool success; | |
| 721 } cases[] = { | |
| 722 // Test different forms of zero. | |
| 723 {"0", 0.0, true}, | |
| 724 {"+0", 0.0, true}, | |
| 725 {"-0", 0.0, true}, | |
| 726 {"0.0", 0.0, true}, | |
| 727 {"000000000000000000000000000000.0", 0.0, true}, | |
| 728 {"0.000000000000000000000000000", 0.0, true}, | |
| 729 | |
| 730 // Test the answer. | |
| 731 {"42", 42.0, true}, | |
| 732 {"-42", -42.0, true}, | |
| 733 | |
| 734 // Test variances of an ordinary number. | |
| 735 {"123.45", 123.45, true}, | |
| 736 {"-123.45", -123.45, true}, | |
| 737 {"+123.45", 123.45, true}, | |
| 738 | |
| 739 // Test different forms of representation. | |
| 740 {"2.99792458e8", 299792458.0, true}, | |
| 741 {"149597870.691E+3", 149597870691.0, true}, | |
| 742 {"6.", 6.0, true}, | |
| 743 | |
| 744 // Test around the largest/smallest value that a double can represent. | |
| 745 {"9e307", 9e307, true}, | |
| 746 {"1.7976e308", 1.7976e308, true}, | |
| 747 {"1.7977e308", HUGE_VAL, false}, | |
| 748 {"1.797693134862315807e+308", HUGE_VAL, true}, | |
| 749 {"1.797693134862315808e+308", HUGE_VAL, false}, | |
| 750 {"9e308", HUGE_VAL, false}, | |
| 751 {"9e309", HUGE_VAL, false}, | |
| 752 {"9e999", HUGE_VAL, false}, | |
| 753 {"9e1999", HUGE_VAL, false}, | |
| 754 {"9e19999", HUGE_VAL, false}, | |
| 755 {"9e99999999999999999999", HUGE_VAL, false}, | |
| 756 {"-9e307", -9e307, true}, | |
| 757 {"-1.7976e308", -1.7976e308, true}, | |
| 758 {"-1.7977e308", -HUGE_VAL, false}, | |
| 759 {"-1.797693134862315807e+308", -HUGE_VAL, true}, | |
| 760 {"-1.797693134862315808e+308", -HUGE_VAL, false}, | |
| 761 {"-9e308", -HUGE_VAL, false}, | |
| 762 {"-9e309", -HUGE_VAL, false}, | |
| 763 {"-9e999", -HUGE_VAL, false}, | |
| 764 {"-9e1999", -HUGE_VAL, false}, | |
| 765 {"-9e19999", -HUGE_VAL, false}, | |
| 766 {"-9e99999999999999999999", -HUGE_VAL, false}, | |
| 767 | |
| 768 // Test more exponents. | |
| 769 {"1e-2", 0.01, true}, | |
| 770 {"42 ", 42.0, false}, | |
| 771 {" 1e-2", 0.01, false}, | |
| 772 {"1e-2 ", 0.01, false}, | |
| 773 {"-1E-7", -0.0000001, true}, | |
| 774 {"01e02", 100, true}, | |
| 775 {"2.3e15", 2.3e15, true}, | |
| 776 {"100e-309", 100e-309, true}, | |
| 777 | |
| 778 // Test some invalid cases. | |
| 779 {"\t\n\v\f\r -123.45e2", -12345.0, false}, | |
| 780 {"+123 e4", 123.0, false}, | |
| 781 {"123e ", 123.0, false}, | |
| 782 {"123e", 123.0, false}, | |
| 783 {" 2.99", 2.99, false}, | |
| 784 {"1e3.4", 1000.0, false}, | |
| 785 {"nothing", 0.0, false}, | |
| 786 {"-", 0.0, false}, | |
| 787 {"+", 0.0, false}, | |
| 788 {"", 0.0, false}, | |
| 789 | |
| 790 // crbug.org/588726 | |
| 791 {"-0.0010000000000000000000000000000000000000001e-256", | |
| 792 -1.0000000000000001e-259, true}, | |
| 793 }; | |
| 794 | |
| 795 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 796 double output; | |
| 797 errno = 1; | |
| 798 EXPECT_EQ(cases[i].success, StringToDouble(cases[i].input, &output)); | |
| 799 if (cases[i].success) | |
| 800 EXPECT_EQ(1, errno) << i; // confirm that errno is unchanged. | |
| 801 EXPECT_DOUBLE_EQ(cases[i].output, output); | |
| 802 } | |
| 803 | |
| 804 // One additional test to verify that conversion of numbers in strings with | |
| 805 // embedded NUL characters. The NUL and extra data after it should be | |
| 806 // interpreted as junk after the number. | |
| 807 const char input[] = "3.14\0" "159"; | |
| 808 std::string input_string(input, arraysize(input) - 1); | |
| 809 double output; | |
| 810 EXPECT_FALSE(StringToDouble(input_string, &output)); | |
| 811 EXPECT_DOUBLE_EQ(3.14, output); | |
| 812 } | |
| 813 | |
| 814 TEST(StringNumberConversionsTest, DoubleToString) { | |
| 815 static const struct { | |
| 816 double input; | |
| 817 const char* expected; | |
| 818 } cases[] = { | |
| 819 {0.0, "0"}, | |
| 820 {1.25, "1.25"}, | |
| 821 {1.33518e+012, "1.33518e+12"}, | |
| 822 {1.33489e+012, "1.33489e+12"}, | |
| 823 {1.33505e+012, "1.33505e+12"}, | |
| 824 {1.33545e+009, "1335450000"}, | |
| 825 {1.33503e+009, "1335030000"}, | |
| 826 }; | |
| 827 | |
| 828 for (size_t i = 0; i < arraysize(cases); ++i) { | |
| 829 EXPECT_EQ(cases[i].expected, DoubleToString(cases[i].input)); | |
| 830 } | |
| 831 | |
| 832 // The following two values were seen in crashes in the wild. | |
| 833 const char input_bytes[8] = {0, 0, 0, 0, '\xee', '\x6d', '\x73', '\x42'}; | |
| 834 double input = 0; | |
| 835 memcpy(&input, input_bytes, arraysize(input_bytes)); | |
| 836 EXPECT_EQ("1335179083776", DoubleToString(input)); | |
| 837 const char input_bytes2[8] = | |
| 838 {0, 0, 0, '\xa0', '\xda', '\x6c', '\x73', '\x42'}; | |
| 839 input = 0; | |
| 840 memcpy(&input, input_bytes2, arraysize(input_bytes2)); | |
| 841 EXPECT_EQ("1334890332160", DoubleToString(input)); | |
| 842 } | |
| 843 | |
| 844 TEST(StringNumberConversionsTest, HexEncode) { | |
| 845 std::string hex(HexEncode(NULL, 0)); | |
| 846 EXPECT_EQ(hex.length(), 0U); | |
| 847 unsigned char bytes[] = {0x01, 0xff, 0x02, 0xfe, 0x03, 0x80, 0x81}; | |
| 848 hex = HexEncode(bytes, sizeof(bytes)); | |
| 849 EXPECT_EQ(hex.compare("01FF02FE038081"), 0); | |
| 850 } | |
| 851 | |
| 852 // Test cases of known-bad strtod conversions that motivated the use of dmg_fp. | |
| 853 // See https://bugs.chromium.org/p/chromium/issues/detail?id=593512. | |
| 854 TEST(StringNumberConversionsTest, StrtodFailures) { | |
| 855 static const struct { | |
| 856 const char* input; | |
| 857 uint64_t expected; | |
| 858 } cases[] = { | |
| 859 // http://www.exploringbinary.com/incorrectly-rounded-conversions-in-visua
l-c-plus-plus/ | |
| 860 {"9214843084008499", 0x43405e6cec57761aULL}, | |
| 861 {"0.500000000000000166533453693773481063544750213623046875", | |
| 862 0x3fe0000000000002ULL}, | |
| 863 {"30078505129381147446200", 0x44997a3c7271b021ULL}, | |
| 864 {"1777820000000000000001", 0x4458180d5bad2e3eULL}, | |
| 865 {"0.500000000000000166547006220929549868969843373633921146392822265625", | |
| 866 0x3fe0000000000002ULL}, | |
| 867 {"0.50000000000000016656055874808561867439493653364479541778564453125", | |
| 868 0x3fe0000000000002ULL}, | |
| 869 {"0.3932922657273", 0x3fd92bb352c4623aULL}, | |
| 870 | |
| 871 // http://www.exploringbinary.com/incorrectly-rounded-conversions-in-gcc-a
nd-glibc/ | |
| 872 {"0.500000000000000166533453693773481063544750213623046875", | |
| 873 0x3fe0000000000002ULL}, | |
| 874 {"3.518437208883201171875e13", 0x42c0000000000002ULL}, | |
| 875 {"62.5364939768271845828", 0x404f44abd5aa7ca4ULL}, | |
| 876 {"8.10109172351e-10", 0x3e0bd5cbaef0fd0cULL}, | |
| 877 {"1.50000000000000011102230246251565404236316680908203125", | |
| 878 0x3ff8000000000000ULL}, | |
| 879 {"9007199254740991.4999999999999999999999999999999995", | |
| 880 0x433fffffffffffffULL}, | |
| 881 | |
| 882 // http://www.exploringbinary.com/incorrect-decimal-to-floating-point-conv
ersion-in-sqlite/ | |
| 883 {"1e-23", 0x3b282db34012b251ULL}, | |
| 884 {"8.533e+68", 0x4e3fa69165a8eea2ULL}, | |
| 885 {"4.1006e-184", 0x19dbe0d1c7ea60c9ULL}, | |
| 886 {"9.998e+307", 0x7fe1cc0a350ca87bULL}, | |
| 887 {"9.9538452227e-280", 0x0602117ae45cde43ULL}, | |
| 888 {"6.47660115e-260", 0x0a1fdd9e333badadULL}, | |
| 889 {"7.4e+47", 0x49e033d7eca0adefULL}, | |
| 890 {"5.92e+48", 0x4a1033d7eca0adefULL}, | |
| 891 {"7.35e+66", 0x4dd172b70eababa9ULL}, | |
| 892 {"8.32116e+55", 0x4b8b2628393e02cdULL}, | |
| 893 }; | |
| 894 | |
| 895 for (const auto& test : cases) { | |
| 896 double output; | |
| 897 EXPECT_TRUE(StringToDouble(test.input, &output)); | |
| 898 EXPECT_EQ(bit_cast<uint64_t>(output), test.expected); | |
| 899 } | |
| 900 } | |
| 901 | |
| 902 } // namespace base | 69 } // namespace base |
| OLD | NEW |