1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <gtest/gtest.h> 18 19 #include <errno.h> 20 #include <limits.h> 21 #include <locale.h> 22 #include <stdint.h> 23 #include <wchar.h> 24 25 #define NUM_WCHARS(num_bytes) (num_bytes/sizeof(wchar_t)) 26 27 TEST(wchar, sizeof_wchar_t) { 28 EXPECT_EQ(4U, sizeof(wchar_t)); 29 EXPECT_EQ(4U, sizeof(wint_t)); 30 } 31 32 TEST(wchar, mbrlen) { 33 char bytes[] = { 'h', 'e', 'l', 'l', 'o', '\0' }; 34 EXPECT_EQ(0U, mbrlen(&bytes[0], 0, NULL)); 35 EXPECT_EQ(1U, mbrlen(&bytes[0], 1, NULL)); 36 37 EXPECT_EQ(1U, mbrlen(&bytes[4], 1, NULL)); 38 EXPECT_EQ(0U, mbrlen(&bytes[5], 1, NULL)); 39 } 40 41 TEST(wchar, wctomb_wcrtomb) { 42 // wctomb and wcrtomb behave differently when s == NULL. 43 EXPECT_EQ(0, wctomb(NULL, L'h')); 44 EXPECT_EQ(0, wctomb(NULL, L'\0')); 45 EXPECT_EQ(1U, wcrtomb(NULL, L'\0', NULL)); 46 EXPECT_EQ(1U, wcrtomb(NULL, L'h', NULL)); 47 48 char bytes[MB_LEN_MAX]; 49 50 // wctomb and wcrtomb behave similarly for the null wide character. 51 EXPECT_EQ(1, wctomb(bytes, L'\0')); 52 EXPECT_EQ(1U, wcrtomb(bytes, L'\0', NULL)); 53 54 // ...and for regular characters. 55 memset(bytes, 0, sizeof(bytes)); 56 EXPECT_EQ(1, wctomb(bytes, L'h')); 57 EXPECT_EQ('h', bytes[0]); 58 memset(bytes, 0, sizeof(bytes)); 59 EXPECT_EQ(1U, wcrtomb(bytes, L'h', NULL)); 60 EXPECT_EQ('h', bytes[0]); 61 62 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8")); 63 uselocale(LC_GLOBAL_LOCALE); 64 65 // 1-byte UTF-8. 66 memset(bytes, 0, sizeof(bytes)); 67 EXPECT_EQ(1U, wcrtomb(bytes, L'h', NULL)); 68 EXPECT_EQ('h', bytes[0]); 69 // 2-byte UTF-8. 70 memset(bytes, 0, sizeof(bytes)); 71 EXPECT_EQ(2U, wcrtomb(bytes, 0x00a2, NULL)); 72 EXPECT_EQ('\xc2', bytes[0]); 73 EXPECT_EQ('\xa2', bytes[1]); 74 // 3-byte UTF-8. 75 memset(bytes, 0, sizeof(bytes)); 76 EXPECT_EQ(3U, wcrtomb(bytes, 0x20ac, NULL)); 77 EXPECT_EQ('\xe2', bytes[0]); 78 EXPECT_EQ('\x82', bytes[1]); 79 EXPECT_EQ('\xac', bytes[2]); 80 // 4-byte UTF-8. 81 memset(bytes, 0, sizeof(bytes)); 82 EXPECT_EQ(4U, wcrtomb(bytes, 0x24b62, NULL)); 83 EXPECT_EQ('\xf0', bytes[0]); 84 EXPECT_EQ('\xa4', bytes[1]); 85 EXPECT_EQ('\xad', bytes[2]); 86 EXPECT_EQ('\xa2', bytes[3]); 87 // Invalid code point. 88 EXPECT_EQ(static_cast<size_t>(-1), wcrtomb(bytes, 0xffffffff, NULL)); 89 EXPECT_EQ(EILSEQ, errno); 90 } 91 92 TEST(wchar, wcrtomb_start_state) { 93 char out[MB_LEN_MAX]; 94 mbstate_t ps; 95 96 // Any non-initial state is invalid when calling wcrtomb. 97 memset(&ps, 0, sizeof(ps)); 98 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps)); 99 EXPECT_EQ(static_cast<size_t>(-1), wcrtomb(out, 0x00a2, &ps)); 100 EXPECT_EQ(EILSEQ, errno); 101 102 // If the first argument to wcrtomb is NULL or the second is L'\0' the shift 103 // state should be reset. 104 memset(&ps, 0, sizeof(ps)); 105 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps)); 106 EXPECT_EQ(1U, wcrtomb(NULL, 0x00a2, &ps)); 107 EXPECT_TRUE(mbsinit(&ps)); 108 109 memset(&ps, 0, sizeof(ps)); 110 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xf0\xa4", 1, &ps)); 111 EXPECT_EQ(1U, wcrtomb(out, L'\0', &ps)); 112 EXPECT_TRUE(mbsinit(&ps)); 113 } 114 115 TEST(wchar, wcstombs_wcrtombs) { 116 const wchar_t chars[] = { L'h', L'e', L'l', L'l', L'o', 0 }; 117 const wchar_t bad_chars[] = { L'h', L'i', static_cast<wchar_t>(0xffffffff), 0 }; 118 const wchar_t* src; 119 char bytes[BUFSIZ]; 120 121 // Given a NULL destination, these functions count valid characters. 122 EXPECT_EQ(5U, wcstombs(NULL, chars, 0)); 123 EXPECT_EQ(5U, wcstombs(NULL, chars, 4)); 124 EXPECT_EQ(5U, wcstombs(NULL, chars, 256)); 125 src = chars; 126 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 0, NULL)); 127 EXPECT_EQ(&chars[0], src); 128 src = chars; 129 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 4, NULL)); 130 EXPECT_EQ(&chars[0], src); 131 src = chars; 132 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 256, NULL)); 133 EXPECT_EQ(&chars[0], src); 134 135 // An unrepresentable char just returns an error from wcstombs... 136 errno = 0; 137 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(NULL, bad_chars, 0)); 138 EXPECT_EQ(EILSEQ, errno); 139 errno = 0; 140 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(NULL, bad_chars, 256)); 141 EXPECT_EQ(EILSEQ, errno); 142 143 // And wcsrtombs doesn't tell us where it got stuck because we didn't ask it 144 // to actually convert anything... 145 errno = 0; 146 src = bad_chars; 147 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 0, NULL)); 148 EXPECT_EQ(&bad_chars[0], src); 149 EXPECT_EQ(EILSEQ, errno); 150 errno = 0; 151 src = bad_chars; 152 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 256, NULL)); 153 EXPECT_EQ(&bad_chars[0], src); 154 EXPECT_EQ(EILSEQ, errno); 155 156 // Okay, now let's test actually converting something... 157 memset(bytes, 'x', sizeof(bytes)); 158 EXPECT_EQ(0U, wcstombs(bytes, chars, 0)); 159 memset(bytes, 'x', sizeof(bytes)); 160 EXPECT_EQ(4U, wcstombs(bytes, chars, 4)); 161 bytes[5] = 0; 162 EXPECT_STREQ("hellx", bytes); 163 memset(bytes, 'x', sizeof(bytes)); 164 EXPECT_EQ(5U, wcstombs(bytes, chars, 256)); 165 EXPECT_STREQ("hello", bytes); 166 memset(bytes, 'x', sizeof(bytes)); 167 EXPECT_EQ(5U, wcstombs(bytes, chars, 6)); 168 EXPECT_STREQ("hello", bytes); 169 errno = 0; 170 memset(bytes, 'x', sizeof(bytes)); 171 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(bytes, bad_chars, 256)); 172 EXPECT_EQ(EILSEQ, errno); 173 bytes[3] = 0; 174 EXPECT_STREQ("hix", bytes); 175 176 // wcsrtombs is a bit more informative... 177 memset(bytes, 'x', sizeof(bytes)); 178 src = chars; 179 EXPECT_EQ(0U, wcsrtombs(bytes, &src, 0, NULL)); 180 EXPECT_EQ(&chars[0], src); // No input consumed. 181 EXPECT_EQ(EILSEQ, errno); 182 183 memset(bytes, 'x', sizeof(bytes)); 184 src = chars; 185 EXPECT_EQ(4U, wcsrtombs(bytes, &src, 4, NULL)); 186 EXPECT_EQ(&chars[4], src); // Some input consumed. 187 EXPECT_EQ(EILSEQ, errno); 188 bytes[5] = 0; 189 EXPECT_STREQ("hellx", bytes); 190 191 memset(bytes, 'x', sizeof(bytes)); 192 src = chars; 193 EXPECT_EQ(5U, wcsrtombs(bytes, &src, 256, NULL)); 194 EXPECT_EQ(NULL, src); // All input consumed! 195 EXPECT_EQ(EILSEQ, errno); 196 EXPECT_STREQ("hello", bytes); 197 198 memset(bytes, 'x', sizeof(bytes)); 199 src = chars; 200 EXPECT_EQ(5U, wcsrtombs(bytes, &src, 6, NULL)); 201 EXPECT_EQ(NULL, src); // All input consumed. 202 EXPECT_EQ(EILSEQ, errno); 203 EXPECT_STREQ("hello", bytes); 204 205 memset(bytes, 'x', sizeof(bytes)); 206 src = bad_chars; 207 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(bytes, &src, 256, NULL)); 208 EXPECT_EQ(&bad_chars[2], src); 209 EXPECT_EQ(EILSEQ, errno); 210 bytes[3] = 0; 211 EXPECT_STREQ("hix", bytes); 212 213 // Any non-initial state is invalid when calling wcsrtombs. 214 mbstate_t ps; 215 src = chars; 216 memset(&ps, 0, sizeof(ps)); 217 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps)); 218 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 0, &ps)); 219 EXPECT_EQ(EILSEQ, errno); 220 } 221 222 TEST(wchar, limits) { 223 ASSERT_LT(WCHAR_MIN, WCHAR_MAX); 224 } 225 226 TEST(wchar, wcsstr) { 227 const wchar_t* haystack = L"matches hello world, not the second hello world"; 228 const wchar_t* empty_needle = L""; 229 const wchar_t* good_needle = L"ll"; 230 const wchar_t* bad_needle = L"wort"; 231 232 ASSERT_EQ(haystack, wcsstr(haystack, empty_needle)); 233 ASSERT_EQ(&haystack[10], wcsstr(haystack, good_needle)); 234 ASSERT_EQ(NULL, wcsstr(haystack, bad_needle)); 235 } 236 237 TEST(wchar, wcsstr_80199) { 238 // https://code.google.com/p/android/issues/detail?id=80199 239 ASSERT_TRUE(wcsstr(L"romrom", L"rom") != NULL); 240 } 241 242 TEST(wchar, mbtowc) { 243 wchar_t out[8]; 244 245 out[0] = 'x'; 246 ASSERT_EQ(0, mbtowc(out, "hello", 0)); 247 ASSERT_EQ('x', out[0]); 248 249 ASSERT_EQ(0, mbtowc(out, "hello", 0)); 250 ASSERT_EQ(0, mbtowc(out, "", 0)); 251 ASSERT_EQ(1, mbtowc(out, "hello", 1)); 252 ASSERT_EQ(L'h', out[0]); 253 254 ASSERT_EQ(0, mbtowc(NULL, "hello", 0)); 255 ASSERT_EQ(0, mbtowc(NULL, "", 0)); 256 ASSERT_EQ(1, mbtowc(NULL, "hello", 1)); 257 258 ASSERT_EQ(0, mbtowc(NULL, NULL, 0)); 259 } 260 261 TEST(wchar, mbrtowc) { 262 wchar_t out[8]; 263 264 out[0] = 'x'; 265 ASSERT_EQ(0U, mbrtowc(out, "hello", 0, NULL)); 266 ASSERT_EQ('x', out[0]); 267 268 ASSERT_EQ(0U, mbrtowc(out, "hello", 0, NULL)); 269 ASSERT_EQ(0U, mbrtowc(out, "", 0, NULL)); 270 ASSERT_EQ(1U, mbrtowc(out, "hello", 1, NULL)); 271 ASSERT_EQ(L'h', out[0]); 272 273 ASSERT_EQ(0U, mbrtowc(NULL, "hello", 0, NULL)); 274 ASSERT_EQ(0U, mbrtowc(NULL, "", 0, NULL)); 275 ASSERT_EQ(1U, mbrtowc(NULL, "hello", 1, NULL)); 276 277 ASSERT_EQ(0U, mbrtowc(NULL, NULL, 0, NULL)); 278 279 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8")); 280 uselocale(LC_GLOBAL_LOCALE); 281 282 // 1-byte UTF-8. 283 ASSERT_EQ(1U, mbrtowc(out, "abcdef", 6, NULL)); 284 ASSERT_EQ(L'a', out[0]); 285 // 2-byte UTF-8. 286 ASSERT_EQ(2U, mbrtowc(out, "\xc2\xa2" "cdef", 6, NULL)); 287 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out[0]); 288 // 3-byte UTF-8. 289 ASSERT_EQ(3U, mbrtowc(out, "\xe2\x82\xac" "def", 6, NULL)); 290 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out[0]); 291 // 4-byte UTF-8. 292 ASSERT_EQ(4U, mbrtowc(out, "\xf0\xa4\xad\xa2" "ef", 6, NULL)); 293 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out[0]); 294 #if defined(__BIONIC__) // glibc allows this. 295 // Illegal 5-byte UTF-8. 296 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(out, "\xf8\xa1\xa2\xa3\xa4" "f", 6, NULL)); 297 ASSERT_EQ(EILSEQ, errno); 298 #endif 299 // Illegal over-long sequence. 300 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(out, "\xf0\x82\x82\xac" "ef", 6, NULL)); 301 ASSERT_EQ(EILSEQ, errno); 302 } 303 304 void test_mbrtowc_incomplete(mbstate_t* ps) { 305 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8")); 306 uselocale(LC_GLOBAL_LOCALE); 307 308 wchar_t out; 309 // 2-byte UTF-8. 310 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, ps)); 311 ASSERT_EQ(1U, mbrtowc(&out, "\xa2" "cdef", 5, ps)); 312 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out); 313 ASSERT_TRUE(mbsinit(ps)); 314 // 3-byte UTF-8. 315 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xe2", 1, ps)); 316 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\x82", 1, ps)); 317 ASSERT_EQ(1U, mbrtowc(&out, "\xac" "def", 4, ps)); 318 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out); 319 ASSERT_TRUE(mbsinit(ps)); 320 // 4-byte UTF-8. 321 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xf0", 1, ps)); 322 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xa4\xad", 2, ps)); 323 ASSERT_EQ(1U, mbrtowc(&out, "\xa2" "ef", 3, ps)); 324 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out); 325 ASSERT_TRUE(mbsinit(ps)); 326 327 // Invalid 2-byte 328 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, ps)); 329 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(&out, "\x20" "cdef", 5, ps)); 330 ASSERT_EQ(EILSEQ, errno); 331 } 332 333 TEST(wchar, mbrtowc_incomplete) { 334 mbstate_t ps; 335 memset(&ps, 0, sizeof(ps)); 336 337 test_mbrtowc_incomplete(&ps); 338 test_mbrtowc_incomplete(NULL); 339 } 340 341 void test_mbsrtowcs(mbstate_t* ps) { 342 wchar_t out[4]; 343 344 const char* valid = "A" "\xc2\xa2" "\xe2\x82\xac" "\xf0\xa4\xad\xa2" "ef"; 345 ASSERT_EQ(4U, mbsrtowcs(out, &valid, 4, ps)); 346 ASSERT_EQ(L'A', out[0]); 347 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out[1]); 348 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out[2]); 349 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out[3]); 350 // Check that valid has advanced to the next unread character. 351 ASSERT_EQ('e', *valid); 352 353 wmemset(out, L'x', NUM_WCHARS(sizeof(out))); 354 ASSERT_EQ(2U, mbsrtowcs(out, &valid, 4, ps)); 355 ASSERT_EQ(L'e', out[0]); 356 ASSERT_EQ(L'f', out[1]); 357 ASSERT_EQ(L'\0', out[2]); 358 // Check that we didn't clobber the rest of out. 359 ASSERT_EQ(L'x', out[3]); 360 // Check that valid has advanced to the end of the string. 361 ASSERT_EQ(nullptr, valid); 362 363 const char* invalid = "A" "\xc2\x20" "ef"; 364 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(out, &invalid, 4, ps)); 365 EXPECT_EQ(EILSEQ, errno); 366 ASSERT_EQ('\xc2', *invalid); 367 368 const char* incomplete = "A" "\xc2"; 369 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(out, &incomplete, 2, ps)); 370 EXPECT_EQ(EILSEQ, errno); 371 ASSERT_EQ('\xc2', *incomplete); 372 } 373 374 TEST(wchar, mbsrtowcs) { 375 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8")); 376 uselocale(LC_GLOBAL_LOCALE); 377 378 mbstate_t ps; 379 memset(&ps, 0, sizeof(ps)); 380 test_mbsrtowcs(&ps); 381 test_mbsrtowcs(NULL); 382 383 // Invalid multi byte continuation. 384 const char* invalid = "\x20"; 385 wchar_t out; 386 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, &ps)); 387 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(&out, &invalid, 1, &ps)); 388 EXPECT_EQ(EILSEQ, errno); 389 ASSERT_EQ('\x20', *invalid); 390 } 391 392 TEST(wchar, wcstod) { 393 ASSERT_DOUBLE_EQ(1.23, wcstod(L"1.23", NULL)); 394 } 395 396 TEST(wchar, wcstof) { 397 ASSERT_FLOAT_EQ(1.23f, wcstof(L"1.23", NULL)); 398 } 399 400 TEST(wchar, wcstol) { 401 ASSERT_EQ(123L, wcstol(L"123", NULL, 0)); 402 } 403 404 TEST(wchar, wcstoll) { 405 ASSERT_EQ(123LL, wcstol(L"123", NULL, 0)); 406 } 407 408 TEST(wchar, wcstold) { 409 ASSERT_DOUBLE_EQ(1.23L, wcstold(L"1.23", NULL)); 410 } 411 412 TEST(wchar, wcstoul) { 413 ASSERT_EQ(123UL, wcstoul(L"123", NULL, 0)); 414 } 415 416 TEST(wchar, wcstoull) { 417 ASSERT_EQ(123ULL, wcstoul(L"123", NULL, 0)); 418 } 419 420 TEST(wchar, mbsnrtowcs) { 421 wchar_t dst[128]; 422 const char* s = "hello, world!"; 423 const char* src; 424 425 memset(dst, 0, sizeof(dst)); 426 src = s; 427 ASSERT_EQ(0U, mbsnrtowcs(dst, &src, 0, 0, NULL)); 428 429 memset(dst, 0, sizeof(dst)); 430 src = s; 431 ASSERT_EQ(2U, mbsnrtowcs(dst, &src, 2, 123, NULL)); // glibc chokes on SIZE_MAX here. 432 ASSERT_EQ(L'h', dst[0]); 433 ASSERT_EQ(L'e', dst[1]); 434 ASSERT_EQ(&s[2], src); 435 436 memset(dst, 0, sizeof(dst)); 437 src = s; 438 ASSERT_EQ(3U, mbsnrtowcs(dst, &src, SIZE_MAX, 3, NULL)); 439 ASSERT_EQ(L'h', dst[0]); 440 ASSERT_EQ(L'e', dst[1]); 441 ASSERT_EQ(L'l', dst[2]); 442 ASSERT_EQ(&s[3], src); 443 } 444 445 TEST(wchar, wcsftime) { 446 setenv("TZ", "UTC", 1); 447 448 struct tm t; 449 memset(&t, 0, sizeof(tm)); 450 t.tm_year = 200; 451 t.tm_mon = 2; 452 t.tm_mday = 10; 453 454 wchar_t buf[64]; 455 456 EXPECT_EQ(24U, wcsftime(buf, sizeof(buf), L"%c", &t)); 457 EXPECT_STREQ(L"Sun Mar 10 00:00:00 2100", buf); 458 } 459 460 TEST(wchar, wmemmove_smoke) { 461 const wchar_t const_wstr[] = L"This is a test of something or other....."; 462 wchar_t wstr[NUM_WCHARS(sizeof(const_wstr))]; 463 464 EXPECT_EQ(wstr, wmemmove(wstr, const_wstr, NUM_WCHARS(sizeof(const_wstr)))); 465 EXPECT_STREQ(const_wstr, wstr); 466 467 EXPECT_EQ(wstr+5, wmemmove(wstr+5, wstr, NUM_WCHARS(sizeof(const_wstr)) - 6)); 468 EXPECT_STREQ(L"This This is a test of something or other", wstr); 469 } 470 471 TEST(wchar, wmemcpy_smoke) { 472 const wchar_t src[] = L"Source string"; 473 wchar_t dst[NUM_WCHARS(sizeof(src))]; 474 475 EXPECT_EQ(dst, wmemcpy(dst, src, NUM_WCHARS(sizeof(src)))); 476 EXPECT_STREQ(dst, src); 477 } 478 479 TEST(wchar, wcpcpy_smoke) { 480 const wchar_t src[] = L"Source string"; 481 wchar_t dst[NUM_WCHARS(sizeof(src))]; 482 483 EXPECT_EQ(dst + NUM_WCHARS(sizeof(src)) - 1, wcpcpy(dst, src)); 484 EXPECT_STREQ(dst, src); 485 } 486 487 TEST(wchar, wcpncpy_smoke) { 488 const wchar_t src[] = L"Source string"; 489 wchar_t dst[NUM_WCHARS(sizeof(src)) + 5]; 490 491 size_t src_len = NUM_WCHARS(sizeof(src)) - 1; 492 EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 1)); 493 EXPECT_STREQ(dst, src); 494 495 EXPECT_EQ(dst + 6, wcpncpy(dst, src, 6)); 496 dst[6] = L'\0'; 497 EXPECT_STREQ(dst, L"Source"); 498 499 wmemset(dst, L'x', NUM_WCHARS(sizeof(dst))); 500 EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 4)); 501 EXPECT_STREQ(dst, src); 502 EXPECT_EQ(dst[src_len], L'\0'); 503 EXPECT_EQ(dst[src_len+1], L'\0'); 504 EXPECT_EQ(dst[src_len+2], L'\0'); 505 EXPECT_EQ(dst[src_len+3], L'\0'); 506 EXPECT_EQ(dst[src_len+4], L'x'); 507 } 508 509 TEST(wchar, wcscpy_smoke) { 510 const wchar_t src[] = L"Source string"; 511 wchar_t dst[NUM_WCHARS(sizeof(src))]; 512 513 EXPECT_EQ(dst, wcscpy(dst, src)); 514 EXPECT_STREQ(src, dst); 515 } 516 517 TEST(wchar, wcsncpy_smoke) { 518 const wchar_t src[] = L"Source string"; 519 wchar_t dst[NUM_WCHARS(sizeof(src)) + 5]; 520 521 size_t src_len = NUM_WCHARS(sizeof(src)) - 1; 522 EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 1)); 523 EXPECT_STREQ(dst, src); 524 525 EXPECT_EQ(dst, wcsncpy(dst, src, 6)); 526 dst[6] = L'\0'; 527 EXPECT_STREQ(dst, L"Source"); 528 529 wmemset(dst, L'x', NUM_WCHARS(sizeof(dst))); 530 EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 4)); 531 EXPECT_STREQ(dst, src); 532 EXPECT_EQ(dst[src_len], L'\0'); 533 EXPECT_EQ(dst[src_len+1], L'\0'); 534 EXPECT_EQ(dst[src_len+2], L'\0'); 535 EXPECT_EQ(dst[src_len+3], L'\0'); 536 EXPECT_EQ(dst[src_len+4], L'x'); 537 } 538 539 TEST(wchar, mbrtowc_15439554) { 540 // http://b/15439554 541 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8")); 542 uselocale(LC_GLOBAL_LOCALE); 543 544 ASSERT_GE(static_cast<size_t>(MB_LEN_MAX), MB_CUR_MAX); 545 ASSERT_GE(MB_CUR_MAX, 4U); 546 547 wchar_t wc; 548 size_t n; 549 550 // 1-byte character. 551 n = mbrtowc(&wc, "x", MB_CUR_MAX, NULL); 552 EXPECT_EQ(1U, n); 553 EXPECT_EQ(L'x', wc); 554 // 2-byte character. 555 n = mbrtowc(&wc, "\xc2\xa2", MB_CUR_MAX, NULL); 556 EXPECT_EQ(2U, n); 557 EXPECT_EQ(L'', wc); 558 // 3-byte character. 559 n = mbrtowc(&wc, "\xe2\x82\xac", MB_CUR_MAX, NULL); 560 EXPECT_EQ(3U, n); 561 EXPECT_EQ(L'', wc); 562 // 4-byte character. 563 n = mbrtowc(&wc, "\xf0\xa4\xad\xa2", MB_CUR_MAX, NULL); 564 EXPECT_EQ(4U, n); 565 EXPECT_EQ(L'', wc); 566 } 567 568 TEST(wchar, open_wmemstream) { 569 wchar_t* p = nullptr; 570 size_t size = 0; 571 FILE* fp = open_wmemstream(&p, &size); 572 ASSERT_NE(EOF, fputws(L"hello, world!", fp)); 573 fclose(fp); 574 575 ASSERT_STREQ(L"hello, world!", p); 576 ASSERT_EQ(wcslen(L"hello, world!"), size); 577 free(p); 578 } 579 580 TEST(stdio, open_wmemstream_EINVAL) { 581 #if defined(__BIONIC__) 582 wchar_t* p; 583 size_t size; 584 585 // Invalid buffer. 586 errno = 0; 587 ASSERT_EQ(nullptr, open_wmemstream(nullptr, &size)); 588 ASSERT_EQ(EINVAL, errno); 589 590 // Invalid size. 591 errno = 0; 592 ASSERT_EQ(nullptr, open_wmemstream(&p, nullptr)); 593 ASSERT_EQ(EINVAL, errno); 594 #else 595 GTEST_LOG_(INFO) << "This test does nothing.\n"; 596 #endif 597 } 598 599 TEST(wchar, wcstol_EINVAL) { 600 errno = 0; 601 wcstol(L"123", NULL, -1); 602 ASSERT_EQ(EINVAL, errno); 603 errno = 0; 604 wcstol(L"123", NULL, 1); 605 ASSERT_EQ(EINVAL, errno); 606 errno = 0; 607 wcstol(L"123", NULL, 37); 608 ASSERT_EQ(EINVAL, errno); 609 } 610 611 TEST(wchar, wcstoll_EINVAL) { 612 errno = 0; 613 wcstoll(L"123", NULL, -1); 614 ASSERT_EQ(EINVAL, errno); 615 errno = 0; 616 wcstoll(L"123", NULL, 1); 617 ASSERT_EQ(EINVAL, errno); 618 errno = 0; 619 wcstoll(L"123", NULL, 37); 620 ASSERT_EQ(EINVAL, errno); 621 } 622 623 TEST(wchar, wcstoul_EINVAL) { 624 errno = 0; 625 wcstoul(L"123", NULL, -1); 626 ASSERT_EQ(EINVAL, errno); 627 errno = 0; 628 wcstoul(L"123", NULL, 1); 629 ASSERT_EQ(EINVAL, errno); 630 errno = 0; 631 wcstoul(L"123", NULL, 37); 632 ASSERT_EQ(EINVAL, errno); 633 } 634 635 TEST(wchar, wcstoull_EINVAL) { 636 errno = 0; 637 wcstoull(L"123", NULL, -1); 638 ASSERT_EQ(EINVAL, errno); 639 errno = 0; 640 wcstoull(L"123", NULL, 1); 641 ASSERT_EQ(EINVAL, errno); 642 errno = 0; 643 wcstoull(L"123", NULL, 37); 644 ASSERT_EQ(EINVAL, errno); 645 } 646 647 TEST(wchar, wcstoll_l_EINVAL) { 648 errno = 0; 649 wcstoll_l(L"123", NULL, -1, LC_GLOBAL_LOCALE); 650 ASSERT_EQ(EINVAL, errno); 651 errno = 0; 652 wcstoll_l(L"123", NULL, 1, LC_GLOBAL_LOCALE); 653 ASSERT_EQ(EINVAL, errno); 654 errno = 0; 655 wcstoll_l(L"123", NULL, 37, LC_GLOBAL_LOCALE); 656 ASSERT_EQ(EINVAL, errno); 657 } 658 659 TEST(wchar, wcstoull_l_EINVAL) { 660 errno = 0; 661 wcstoull_l(L"123", NULL, -1, LC_GLOBAL_LOCALE); 662 ASSERT_EQ(EINVAL, errno); 663 errno = 0; 664 wcstoull_l(L"123", NULL, 1, LC_GLOBAL_LOCALE); 665 ASSERT_EQ(EINVAL, errno); 666 errno = 0; 667 wcstoull_l(L"123", NULL, 37, LC_GLOBAL_LOCALE); 668 ASSERT_EQ(EINVAL, errno); 669 } 670 671 TEST(wchar, wmempcpy) { 672 wchar_t dst[6]; 673 ASSERT_EQ(&dst[4], wmempcpy(dst, L"hello", 4)); 674 } 675
