tests/test-mbrtoc32-w32.c

   1 /* Test of conversion of multibyte character to 32-bit wide character.
   2    Copyright (C) 2008-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #include <uchar.h>
  20
  21 #include <errno.h>
  22 #include <locale.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <wchar.h>
  27
  28 #include "localcharset.h"
  29 #include "macros.h"
  30
  31 #if defined _WIN32 && !defined __CYGWIN__
  32
  33 static int
  34 test_one_locale (const char *name, int codepage)
  35 {
  36   mbstate_t state;
  37   char32_t wc;
  38   size_t ret;
  39
  40 # if 1
  41   /* Portable code to set the locale.  */
  42   {
  43     char name_with_codepage[1024];
  44
  45     sprintf (name_with_codepage, "%s.%d", name, codepage);
  46
  47     /* Set the locale.  */
  48     if (setlocale (LC_ALL, name_with_codepage) == NULL)
  49       return 77;
  50   }
  51 # else
  52   /* Hacky way to set a locale.codepage combination that setlocale() refuses
  53      to set.  */
  54   {
  55     /* Codepage of the current locale, set with setlocale().
  56        Not necessarily the same as GetACP().  */
  57     extern __declspec(dllimport) unsigned int __lc_codepage;
  58
  59     /* Set the locale.  */
  60     if (setlocale (LC_ALL, name) == NULL)
  61       return 77;
  62
  63     /* Clobber the codepage and MB_CUR_MAX, both set by setlocale().  */
  64     __lc_codepage = codepage;
  65     switch (codepage)
  66       {
  67       case 1252:
  68       case 1256:
  69         MB_CUR_MAX = 1;
  70         break;
  71       case 932:
  72       case 950:
  73       case 936:
  74         MB_CUR_MAX = 2;
  75         break;
  76       case 54936:
  77       case 65001:
  78         MB_CUR_MAX = 4;
  79         break;
  80       }
  81
  82     /* Test whether the codepage is really available.  */
  83     memset (&state, '\0', sizeof (mbstate_t));
  84     if (mbrtoc32 (&wc, " ", 1, &state) == (size_t)(-1))
  85       return 77;
  86   }
  87 # endif
  88
  89   /* Test zero-length input.  */
  90   {
  91     memset (&state, '\0', sizeof (mbstate_t));
  92     wc = (char32_t) 0xBADFACE;
  93     ret = mbrtoc32 (&wc, "x", 0, &state);
  94     ASSERT (ret == (size_t)(-2));
  95     ASSERT (mbsinit (&state));
  96   }
  97
  98   /* Test NUL byte input.  */
  99   {
 100     memset (&state, '\0', sizeof (mbstate_t));
 101     wc = (char32_t) 0xBADFACE;
 102     ret = mbrtoc32 (&wc, "", 1, &state);
 103     ASSERT (ret == 0);
 104     ASSERT (wc == 0);
 105     ASSERT (mbsinit (&state));
 106     ret = mbrtoc32 (NULL, "", 1, &state);
 107     ASSERT (ret == 0);
 108     ASSERT (mbsinit (&state));
 109   }
 110
 111   /* Test single-byte input.  */
 112   {
 113     int c;
 114     char buf[1];
 115
 116     memset (&state, '\0', sizeof (mbstate_t));
 117     for (c = 0; c < 0x100; c++)
 118       switch (c)
 119         {
 120         case '\t': case '\v': case '\f':
 121         case ' ': case '!': case '"': case '#': case '%':
 122         case '&': case '\'': case '(': case ')': case '*':
 123         case '+': case ',': case '-': case '.': case '/':
 124         case '0': case '1': case '2': case '3': case '4':
 125         case '5': case '6': case '7': case '8': case '9':
 126         case ':': case ';': case '<': case '=': case '>':
 127         case '?':
 128         case 'A': case 'B': case 'C': case 'D': case 'E':
 129         case 'F': case 'G': case 'H': case 'I': case 'J':
 130         case 'K': case 'L': case 'M': case 'N': case 'O':
 131         case 'P': case 'Q': case 'R': case 'S': case 'T':
 132         case 'U': case 'V': case 'W': case 'X': case 'Y':
 133         case 'Z':
 134         case '[': case '\\': case ']': case '^': case '_':
 135         case 'a': case 'b': case 'c': case 'd': case 'e':
 136         case 'f': case 'g': case 'h': case 'i': case 'j':
 137         case 'k': case 'l': case 'm': case 'n': case 'o':
 138         case 'p': case 'q': case 'r': case 's': case 't':
 139         case 'u': case 'v': case 'w': case 'x': case 'y':
 140         case 'z': case '{': case '|': case '}': case '~':
 141           /* c is in the ISO C "basic character set".  */
 142           buf[0] = c;
 143           wc = (char32_t) 0xBADFACE;
 144           ret = mbrtoc32 (&wc, buf, 1, &state);
 145           ASSERT (ret == 1);
 146           ASSERT (wc == c);
 147           ASSERT (mbsinit (&state));
 148           ret = mbrtoc32 (NULL, buf, 1, &state);
 149           ASSERT (ret == 1);
 150           ASSERT (mbsinit (&state));
 151           break;
 152         }
 153   }
 154
 155   /* Test special calling convention, passing a NULL pointer.  */
 156   {
 157     memset (&state, '\0', sizeof (mbstate_t));
 158     wc = (char32_t) 0xBADFACE;
 159     ret = mbrtoc32 (&wc, NULL, 5, &state);
 160     ASSERT (ret == 0);
 161     ASSERT (wc == (char32_t) 0xBADFACE);
 162     ASSERT (mbsinit (&state));
 163   }
 164
 165   switch (codepage)
 166     {
 167     case 1252:
 168       /* Locale encoding is CP1252, an extension of ISO-8859-1.  */
 169       {
 170         char input[] = "B\374\337er"; /* "Büßer" */
 171         memset (&state, '\0', sizeof (mbstate_t));
 172
 173         wc = (char32_t) 0xBADFACE;
 174         ret = mbrtoc32 (&wc, input, 1, &state);
 175         ASSERT (ret == 1);
 176         ASSERT (wc == 'B');
 177         ASSERT (mbsinit (&state));
 178         input[0] = '\0';
 179
 180         wc = (char32_t) 0xBADFACE;
 181         ret = mbrtoc32 (&wc, input + 1, 1, &state);
 182         ASSERT (ret == 1);
 183         ASSERT (c32tob (wc) == (unsigned char) '\374');
 184         ASSERT (wc == 0x00FC); /* expect Unicode encoding */
 185         ASSERT (mbsinit (&state));
 186         input[1] = '\0';
 187
 188         /* Test support of NULL first argument.  */
 189         ret = mbrtoc32 (NULL, input + 2, 3, &state);
 190         ASSERT (ret == 1);
 191         ASSERT (mbsinit (&state));
 192
 193         wc = (char32_t) 0xBADFACE;
 194         ret = mbrtoc32 (&wc, input + 2, 3, &state);
 195         ASSERT (ret == 1);
 196         ASSERT (c32tob (wc) == (unsigned char) '\337');
 197         ASSERT (wc == 0x00DF); /* expect Unicode encoding */
 198         ASSERT (mbsinit (&state));
 199         input[2] = '\0';
 200
 201         wc = (char32_t) 0xBADFACE;
 202         ret = mbrtoc32 (&wc, input + 3, 2, &state);
 203         ASSERT (ret == 1);
 204         ASSERT (wc == 'e');
 205         ASSERT (mbsinit (&state));
 206         input[3] = '\0';
 207
 208         wc = (char32_t) 0xBADFACE;
 209         ret = mbrtoc32 (&wc, input + 4, 1, &state);
 210         ASSERT (ret == 1);
 211         ASSERT (wc == 'r');
 212         ASSERT (mbsinit (&state));
 213       }
 214       return 0;
 215
 216     case 1256:
 217       /* Locale encoding is CP1256, not the same as ISO-8859-6.  */
 218       {
 219         char input[] = "x\302\341\346y"; /* "xآلوy" */
 220         memset (&state, '\0', sizeof (mbstate_t));
 221
 222         wc = (char32_t) 0xBADFACE;
 223         ret = mbrtoc32 (&wc, input, 1, &state);
 224         ASSERT (ret == 1);
 225         ASSERT (wc == 'x');
 226         ASSERT (mbsinit (&state));
 227         input[0] = '\0';
 228
 229         wc = (char32_t) 0xBADFACE;
 230         ret = mbrtoc32 (&wc, input + 1, 1, &state);
 231         ASSERT (ret == 1);
 232         ASSERT (c32tob (wc) == (unsigned char) '\302');
 233         ASSERT (wc == 0x0622); /* expect Unicode encoding */
 234         ASSERT (mbsinit (&state));
 235         input[1] = '\0';
 236
 237         /* Test support of NULL first argument.  */
 238         ret = mbrtoc32 (NULL, input + 2, 3, &state);
 239         ASSERT (ret == 1);
 240         ASSERT (mbsinit (&state));
 241
 242         wc = (char32_t) 0xBADFACE;
 243         ret = mbrtoc32 (&wc, input + 2, 3, &state);
 244         ASSERT (ret == 1);
 245         ASSERT (c32tob (wc) == (unsigned char) '\341');
 246         ASSERT (wc == 0x0644); /* expect Unicode encoding */
 247         ASSERT (mbsinit (&state));
 248         input[2] = '\0';
 249
 250         wc = (char32_t) 0xBADFACE;
 251         ret = mbrtoc32 (&wc, input + 3, 2, &state);
 252         ASSERT (ret == 1);
 253         ASSERT (c32tob (wc) == (unsigned char) '\346');
 254         ASSERT (wc == 0x0648); /* expect Unicode encoding */
 255         ASSERT (mbsinit (&state));
 256         input[3] = '\0';
 257
 258         wc = (char32_t) 0xBADFACE;
 259         ret = mbrtoc32 (&wc, input + 4, 1, &state);
 260         ASSERT (ret == 1);
 261         ASSERT (wc == 'y');
 262         ASSERT (mbsinit (&state));
 263       }
 264       return 0;
 265
 266     case 65001:
 267       /* Locale encoding is CP65001 = UTF-8.  */
 268       if (strcmp (locale_charset (), "UTF-8") != 0)
 269         return 77;
 270       {
 271         char input[] = "s\303\274\303\237\360\237\230\213!"; /* "süß😋!" */
 272         memset (&state, '\0', sizeof (mbstate_t));
 273
 274         wc = (char32_t) 0xBADFACE;
 275         ret = mbrtoc32 (&wc, input, 1, &state);
 276         ASSERT (ret == 1);
 277         ASSERT (wc == 's');
 278         ASSERT (mbsinit (&state));
 279         input[0] = '\0';
 280
 281         wc = (char32_t) 0xBADFACE;
 282         ret = mbrtoc32 (&wc, input + 1, 1, &state);
 283         ASSERT (ret == (size_t)(-2));
 284         ASSERT (wc == (char32_t) 0xBADFACE);
 285         ASSERT (!mbsinit (&state));
 286         input[1] = '\0';
 287
 288         wc = (char32_t) 0xBADFACE;
 289         ret = mbrtoc32 (&wc, input + 2, 7, &state);
 290         ASSERT (ret == 1);
 291         ASSERT (c32tob (wc) == EOF);
 292         ASSERT (wc == 0x00FC); /* expect Unicode encoding */
 293         ASSERT (mbsinit (&state));
 294         input[2] = '\0';
 295
 296         /* Test support of NULL first argument.  */
 297         ret = mbrtoc32 (NULL, input + 3, 6, &state);
 298         ASSERT (ret == 2);
 299         ASSERT (mbsinit (&state));
 300
 301         wc = (char32_t) 0xBADFACE;
 302         ret = mbrtoc32 (&wc, input + 3, 6, &state);
 303         ASSERT (ret == 2);
 304         ASSERT (c32tob (wc) == EOF);
 305         ASSERT (wc == 0x00DF); /* expect Unicode encoding */
 306         ASSERT (mbsinit (&state));
 307         input[3] = '\0';
 308         input[4] = '\0';
 309
 310         /* Test support of NULL first argument.  */
 311         ret = mbrtoc32 (NULL, input + 5, 4, &state);
 312         ASSERT (ret == 4);
 313         ASSERT (mbsinit (&state));
 314
 315         wc = (char32_t) 0xBADFACE;
 316         ret = mbrtoc32 (&wc, input + 5, 4, &state);
 317         ASSERT (ret == 4);
 318         ASSERT (c32tob (wc) == EOF);
 319         ASSERT (wc == 0x1F60B); /* expect Unicode encoding */
 320         ASSERT (mbsinit (&state));
 321         input[5] = '\0';
 322         input[6] = '\0';
 323         input[7] = '\0';
 324         input[8] = '\0';
 325
 326         wc = (char32_t) 0xBADFACE;
 327         ret = mbrtoc32 (&wc, input + 9, 1, &state);
 328         ASSERT (ret == 1);
 329         ASSERT (wc == '!');
 330         ASSERT (mbsinit (&state));
 331
 332         /* Test some invalid input.  */
 333         memset (&state, '\0', sizeof (mbstate_t));
 334         wc = (char32_t) 0xBADFACE;
 335         ret = mbrtoc32 (&wc, "\377", 1, &state); /* 0xFF */
 336         ASSERT (ret == (size_t)-1);
 337         ASSERT (errno == EILSEQ);
 338
 339         memset (&state, '\0', sizeof (mbstate_t));
 340         wc = (char32_t) 0xBADFACE;
 341         ret = mbrtoc32 (&wc, "\303\300", 2, &state); /* 0xC3 0xC0 */
 342         ASSERT (ret == (size_t)-1);
 343         ASSERT (errno == EILSEQ);
 344
 345         memset (&state, '\0', sizeof (mbstate_t));
 346         wc = (char32_t) 0xBADFACE;
 347         ret = mbrtoc32 (&wc, "\343\300", 2, &state); /* 0xE3 0xC0 */
 348         ASSERT (ret == (size_t)-1);
 349         ASSERT (errno == EILSEQ);
 350
 351         memset (&state, '\0', sizeof (mbstate_t));
 352         wc = (char32_t) 0xBADFACE;
 353         ret = mbrtoc32 (&wc, "\343\300\200", 3, &state); /* 0xE3 0xC0 0x80 */
 354         ASSERT (ret == (size_t)-1);
 355         ASSERT (errno == EILSEQ);
 356
 357         memset (&state, '\0', sizeof (mbstate_t));
 358         wc = (char32_t) 0xBADFACE;
 359         ret = mbrtoc32 (&wc, "\343\200\300", 3, &state); /* 0xE3 0x80 0xC0 */
 360         ASSERT (ret == (size_t)-1);
 361         ASSERT (errno == EILSEQ);
 362
 363         memset (&state, '\0', sizeof (mbstate_t));
 364         wc = (char32_t) 0xBADFACE;
 365         ret = mbrtoc32 (&wc, "\363\300", 2, &state); /* 0xF3 0xC0 */
 366         ASSERT (ret == (size_t)-1);
 367         ASSERT (errno == EILSEQ);
 368
 369         memset (&state, '\0', sizeof (mbstate_t));
 370         wc = (char32_t) 0xBADFACE;
 371         ret = mbrtoc32 (&wc, "\363\300\200\200", 4, &state); /* 0xF3 0xC0 0x80 0x80 */
 372         ASSERT (ret == (size_t)-1);
 373         ASSERT (errno == EILSEQ);
 374
 375         memset (&state, '\0', sizeof (mbstate_t));
 376         wc = (char32_t) 0xBADFACE;
 377         ret = mbrtoc32 (&wc, "\363\200\300", 3, &state); /* 0xF3 0x80 0xC0 */
 378         ASSERT (ret == (size_t)-1);
 379         ASSERT (errno == EILSEQ);
 380
 381         memset (&state, '\0', sizeof (mbstate_t));
 382         wc = (char32_t) 0xBADFACE;
 383         ret = mbrtoc32 (&wc, "\363\200\300\200", 4, &state); /* 0xF3 0x80 0xC0 0x80 */
 384         ASSERT (ret == (size_t)-1);
 385         ASSERT (errno == EILSEQ);
 386
 387         memset (&state, '\0', sizeof (mbstate_t));
 388         wc = (char32_t) 0xBADFACE;
 389         ret = mbrtoc32 (&wc, "\363\200\200\300", 4, &state); /* 0xF3 0x80 0x80 0xC0 */
 390         ASSERT (ret == (size_t)-1);
 391         ASSERT (errno == EILSEQ);
 392       }
 393       return 0;
 394
 395     case 932:
 396       /* Locale encoding is CP932, similar to Shift_JIS.  */
 397       {
 398         char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */
 399         memset (&state, '\0', sizeof (mbstate_t));
 400
 401         wc = (char32_t) 0xBADFACE;
 402         ret = mbrtoc32 (&wc, input, 1, &state);
 403         ASSERT (ret == 1);
 404         ASSERT (wc == '<');
 405         ASSERT (mbsinit (&state));
 406         input[0] = '\0';
 407
 408         wc = (char32_t) 0xBADFACE;
 409         ret = mbrtoc32 (&wc, input + 1, 2, &state);
 410         ASSERT (ret == 2);
 411         ASSERT (c32tob (wc) == EOF);
 412         ASSERT (wc == 0x65E5); /* expect Unicode encoding */
 413         ASSERT (mbsinit (&state));
 414         input[1] = '\0';
 415         input[2] = '\0';
 416
 417         wc = (char32_t) 0xBADFACE;
 418         ret = mbrtoc32 (&wc, input + 3, 1, &state);
 419         ASSERT (ret == (size_t)(-2));
 420         ASSERT (wc == (char32_t) 0xBADFACE);
 421         ASSERT (!mbsinit (&state));
 422         input[3] = '\0';
 423
 424         wc = (char32_t) 0xBADFACE;
 425         ret = mbrtoc32 (&wc, input + 4, 4, &state);
 426         ASSERT (ret == 1);
 427         ASSERT (c32tob (wc) == EOF);
 428         ASSERT (wc == 0x672C); /* expect Unicode encoding */
 429         ASSERT (mbsinit (&state));
 430         input[4] = '\0';
 431
 432         /* Test support of NULL first argument.  */
 433         ret = mbrtoc32 (NULL, input + 5, 3, &state);
 434         ASSERT (ret == 2);
 435         ASSERT (mbsinit (&state));
 436
 437         wc = (char32_t) 0xBADFACE;
 438         ret = mbrtoc32 (&wc, input + 5, 3, &state);
 439         ASSERT (ret == 2);
 440         ASSERT (c32tob (wc) == EOF);
 441         ASSERT (wc == 0x8A9E); /* expect Unicode encoding */
 442         ASSERT (mbsinit (&state));
 443         input[5] = '\0';
 444         input[6] = '\0';
 445
 446         wc = (char32_t) 0xBADFACE;
 447         ret = mbrtoc32 (&wc, input + 7, 1, &state);
 448         ASSERT (ret == 1);
 449         ASSERT (wc == '>');
 450         ASSERT (mbsinit (&state));
 451
 452         /* Test some invalid input.  */
 453         memset (&state, '\0', sizeof (mbstate_t));
 454         wc = (char32_t) 0xBADFACE;
 455         ret = mbrtoc32 (&wc, "\377", 1, &state); /* 0xFF */
 456         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
 457
 458         memset (&state, '\0', sizeof (mbstate_t));
 459         wc = (char32_t) 0xBADFACE;
 460         ret = mbrtoc32 (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
 461         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == 0x30FB));
 462       }
 463       return 0;
 464
 465     case 950:
 466       /* Locale encoding is CP950, similar to Big5.  */
 467       {
 468         char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */
 469         memset (&state, '\0', sizeof (mbstate_t));
 470
 471         wc = (char32_t) 0xBADFACE;
 472         ret = mbrtoc32 (&wc, input, 1, &state);
 473         ASSERT (ret == 1);
 474         ASSERT (wc == '<');
 475         ASSERT (mbsinit (&state));
 476         input[0] = '\0';
 477
 478         wc = (char32_t) 0xBADFACE;
 479         ret = mbrtoc32 (&wc, input + 1, 2, &state);
 480         ASSERT (ret == 2);
 481         ASSERT (c32tob (wc) == EOF);
 482         ASSERT (wc == 0x65E5); /* expect Unicode encoding */
 483         ASSERT (mbsinit (&state));
 484         input[1] = '\0';
 485         input[2] = '\0';
 486
 487         wc = (char32_t) 0xBADFACE;
 488         ret = mbrtoc32 (&wc, input + 3, 1, &state);
 489         ASSERT (ret == (size_t)(-2));
 490         ASSERT (wc == (char32_t) 0xBADFACE);
 491         ASSERT (!mbsinit (&state));
 492         input[3] = '\0';
 493
 494         wc = (char32_t) 0xBADFACE;
 495         ret = mbrtoc32 (&wc, input + 4, 4, &state);
 496         ASSERT (ret == 1);
 497         ASSERT (c32tob (wc) == EOF);
 498         ASSERT (wc == 0x672C); /* expect Unicode encoding */
 499         ASSERT (mbsinit (&state));
 500         input[4] = '\0';
 501
 502         /* Test support of NULL first argument.  */
 503         ret = mbrtoc32 (NULL, input + 5, 3, &state);
 504         ASSERT (ret == 2);
 505         ASSERT (mbsinit (&state));
 506
 507         wc = (char32_t) 0xBADFACE;
 508         ret = mbrtoc32 (&wc, input + 5, 3, &state);
 509         ASSERT (ret == 2);
 510         ASSERT (c32tob (wc) == EOF);
 511         ASSERT (wc == 0x8A9E); /* expect Unicode encoding */
 512         ASSERT (mbsinit (&state));
 513         input[5] = '\0';
 514         input[6] = '\0';
 515
 516         wc = (char32_t) 0xBADFACE;
 517         ret = mbrtoc32 (&wc, input + 7, 1, &state);
 518         ASSERT (ret == 1);
 519         ASSERT (wc == '>');
 520         ASSERT (mbsinit (&state));
 521
 522         /* Test some invalid input.  */
 523         memset (&state, '\0', sizeof (mbstate_t));
 524         wc = (char32_t) 0xBADFACE;
 525         ret = mbrtoc32 (&wc, "\377", 1, &state); /* 0xFF */
 526         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
 527
 528         memset (&state, '\0', sizeof (mbstate_t));
 529         wc = (char32_t) 0xBADFACE;
 530         ret = mbrtoc32 (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
 531         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == '?'));
 532       }
 533       return 0;
 534
 535     case 936:
 536       /* Locale encoding is CP936 = GBK, an extension of GB2312.  */
 537       {
 538         char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */
 539         memset (&state, '\0', sizeof (mbstate_t));
 540
 541         wc = (char32_t) 0xBADFACE;
 542         ret = mbrtoc32 (&wc, input, 1, &state);
 543         ASSERT (ret == 1);
 544         ASSERT (wc == '<');
 545         ASSERT (mbsinit (&state));
 546         input[0] = '\0';
 547
 548         wc = (char32_t) 0xBADFACE;
 549         ret = mbrtoc32 (&wc, input + 1, 2, &state);
 550         ASSERT (ret == 2);
 551         ASSERT (c32tob (wc) == EOF);
 552         ASSERT (wc == 0x65E5); /* expect Unicode encoding */
 553         ASSERT (mbsinit (&state));
 554         input[1] = '\0';
 555         input[2] = '\0';
 556
 557         wc = (char32_t) 0xBADFACE;
 558         ret = mbrtoc32 (&wc, input + 3, 1, &state);
 559         ASSERT (ret == (size_t)(-2));
 560         ASSERT (wc == (char32_t) 0xBADFACE);
 561         ASSERT (!mbsinit (&state));
 562         input[3] = '\0';
 563
 564         wc = (char32_t) 0xBADFACE;
 565         ret = mbrtoc32 (&wc, input + 4, 4, &state);
 566         ASSERT (ret == 1);
 567         ASSERT (c32tob (wc) == EOF);
 568         ASSERT (wc == 0x672C); /* expect Unicode encoding */
 569         ASSERT (mbsinit (&state));
 570         input[4] = '\0';
 571
 572         /* Test support of NULL first argument.  */
 573         ret = mbrtoc32 (NULL, input + 5, 3, &state);
 574         ASSERT (ret == 2);
 575         ASSERT (mbsinit (&state));
 576
 577         wc = (char32_t) 0xBADFACE;
 578         ret = mbrtoc32 (&wc, input + 5, 3, &state);
 579         ASSERT (ret == 2);
 580         ASSERT (c32tob (wc) == EOF);
 581         ASSERT (wc == 0x8A9E); /* expect Unicode encoding */
 582         ASSERT (mbsinit (&state));
 583         input[5] = '\0';
 584         input[6] = '\0';
 585
 586         wc = (char32_t) 0xBADFACE;
 587         ret = mbrtoc32 (&wc, input + 7, 1, &state);
 588         ASSERT (ret == 1);
 589         ASSERT (wc == '>');
 590         ASSERT (mbsinit (&state));
 591
 592         /* Test some invalid input.  */
 593         memset (&state, '\0', sizeof (mbstate_t));
 594         wc = (char32_t) 0xBADFACE;
 595         ret = mbrtoc32 (&wc, "\377", 1, &state); /* 0xFF */
 596         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
 597
 598         memset (&state, '\0', sizeof (mbstate_t));
 599         wc = (char32_t) 0xBADFACE;
 600         ret = mbrtoc32 (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
 601         ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == '?'));
 602       }
 603       return 0;
 604
 605     case 54936:
 606       /* Locale encoding is CP54936 = GB18030.  */
 607       if (strcmp (locale_charset (), "GB18030") != 0)
 608         return 77;
 609       {
 610         char input[] = "s\250\271\201\060\211\070\224\071\375\067!"; /* "süß😋!" */
 611         memset (&state, '\0', sizeof (mbstate_t));
 612
 613         wc = (char32_t) 0xBADFACE;
 614         ret = mbrtoc32 (&wc, input, 1, &state);
 615         ASSERT (ret == 1);
 616         ASSERT (wc == 's');
 617         ASSERT (mbsinit (&state));
 618         input[0] = '\0';
 619
 620         wc = (char32_t) 0xBADFACE;
 621         ret = mbrtoc32 (&wc, input + 1, 1, &state);
 622         ASSERT (ret == (size_t)(-2));
 623         ASSERT (wc == (char32_t) 0xBADFACE);
 624         ASSERT (!mbsinit (&state));
 625         input[1] = '\0';
 626
 627         wc = (char32_t) 0xBADFACE;
 628         ret = mbrtoc32 (&wc, input + 2, 9, &state);
 629         ASSERT (ret == 1);
 630         ASSERT (c32tob (wc) == EOF);
 631         ASSERT (wc == 0x00FC); /* expect Unicode encoding */
 632         ASSERT (mbsinit (&state));
 633         input[2] = '\0';
 634
 635         /* Test support of NULL first argument.  */
 636         ret = mbrtoc32 (NULL, input + 3, 8, &state);
 637         ASSERT (ret == 4);
 638         ASSERT (mbsinit (&state));
 639
 640         wc = (char32_t) 0xBADFACE;
 641         ret = mbrtoc32 (&wc, input + 3, 8, &state);
 642         ASSERT (ret == 4);
 643         ASSERT (c32tob (wc) == EOF);
 644         ASSERT (wc == 0x00DF); /* expect Unicode encoding */
 645         ASSERT (mbsinit (&state));
 646         input[3] = '\0';
 647         input[4] = '\0';
 648         input[5] = '\0';
 649         input[6] = '\0';
 650
 651         /* Test support of NULL first argument.  */
 652         ret = mbrtoc32 (NULL, input + 7, 4, &state);
 653         ASSERT (ret == 4);
 654         ASSERT (mbsinit (&state));
 655
 656         wc = (char32_t) 0xBADFACE;
 657         ret = mbrtoc32 (&wc, input + 7, 4, &state);
 658         ASSERT (ret == 4);
 659         ASSERT (c32tob (wc) == EOF);
 660         ASSERT (wc == 0x1F60B); /* expect Unicode encoding */
 661         ASSERT (mbsinit (&state));
 662         input[7] = '\0';
 663         input[8] = '\0';
 664         input[9] = '\0';
 665         input[10] = '\0';
 666
 667         wc = (char32_t) 0xBADFACE;
 668         ret = mbrtoc32 (&wc, input + 11, 1, &state);
 669         ASSERT (ret == 1);
 670         ASSERT (wc == '!');
 671         ASSERT (mbsinit (&state));
 672
 673         /* Test some invalid input.  */
 674         memset (&state, '\0', sizeof (mbstate_t));
 675         wc = (char32_t) 0xBADFACE;
 676         ret = mbrtoc32 (&wc, "\377", 1, &state); /* 0xFF */
 677         ASSERT (ret == (size_t)-1);
 678         ASSERT (errno == EILSEQ);
 679
 680         memset (&state, '\0', sizeof (mbstate_t));
 681         wc = (char32_t) 0xBADFACE;
 682         ret = mbrtoc32 (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
 683         ASSERT (ret == (size_t)-1);
 684         ASSERT (errno == EILSEQ);
 685
 686         memset (&state, '\0', sizeof (mbstate_t));
 687         wc = (char32_t) 0xBADFACE;
 688         ret = mbrtoc32 (&wc, "\201\045", 2, &state); /* 0x81 0x25 */
 689         ASSERT (ret == (size_t)-1);
 690         ASSERT (errno == EILSEQ);
 691
 692         memset (&state, '\0', sizeof (mbstate_t));
 693         wc = (char32_t) 0xBADFACE;
 694         ret = mbrtoc32 (&wc, "\201\060\377", 3, &state); /* 0x81 0x30 0xFF */
 695         ASSERT (ret == (size_t)-1);
 696         ASSERT (errno == EILSEQ);
 697
 698         memset (&state, '\0', sizeof (mbstate_t));
 699         wc = (char32_t) 0xBADFACE;
 700         ret = mbrtoc32 (&wc, "\201\060\377\064", 4, &state); /* 0x81 0x30 0xFF 0x34 */
 701         ASSERT (ret == (size_t)-1);
 702         ASSERT (errno == EILSEQ);
 703
 704         memset (&state, '\0', sizeof (mbstate_t));
 705         wc = (char32_t) 0xBADFACE;
 706         ret = mbrtoc32 (&wc, "\201\060\211\072", 4, &state); /* 0x81 0x30 0x89 0x3A */
 707         ASSERT (ret == (size_t)-1);
 708         ASSERT (errno == EILSEQ);
 709       }
 710       return 0;
 711
 712     default:
 713       return 1;
 714     }
 715 }
 716
 717 int
 718 main (int argc, char *argv[])
 719 {
 720   int codepage = atoi (argv[argc - 1]);
 721   int result;
 722   int i;
 723
 724   result = 77;
 725   for (i = 1; i < argc - 1; i++)
 726     {
 727       int ret = test_one_locale (argv[i], codepage);
 728
 729       if (ret != 77)
 730         result = ret;
 731     }
 732
 733   if (result == 77)
 734     {
 735       if (test_exit_status != EXIT_SUCCESS)
 736         return test_exit_status;
 737       fprintf (stderr, "Skipping test: found no locale with codepage %d\n",
 738                codepage);
 739     }
 740   return (result ? result : test_exit_status);
 741 }
 742
 743 #else
 744
 745 int
 746 main (int argc, char *argv[])
 747 {
 748   fputs ("Skipping test: not a native Windows system\n", stderr);
 749   return 77;
 750 }
 751
 752 #endif