tests/test-wcrtomb-w32.c

   1 /* Test of conversion of wide character to multibyte 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 <wchar.h>
  20
  21 #include <locale.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "localcharset.h"
  27 #include "macros.h"
  28
  29 #if defined _WIN32 && !defined __CYGWIN__
  30
  31 static int
  32 test_one_locale (const char *name, int codepage)
  33 {
  34   char buf[64];
  35   size_t ret;
  36
  37 # if 1
  38   /* Portable code to set the locale.  */
  39   {
  40     char name_with_codepage[1024];
  41
  42     sprintf (name_with_codepage, "%s.%d", name, codepage);
  43
  44     /* Set the locale.  */
  45     if (setlocale (LC_ALL, name_with_codepage) == NULL)
  46       return 77;
  47   }
  48 # else
  49   /* Hacky way to set a locale.codepage combination that setlocale() refuses
  50      to set.  */
  51   {
  52     /* Codepage of the current locale, set with setlocale().
  53        Not necessarily the same as GetACP().  */
  54     extern __declspec(dllimport) unsigned int __lc_codepage;
  55
  56     /* Set the locale.  */
  57     if (setlocale (LC_ALL, name) == NULL)
  58       return 77;
  59
  60     /* Clobber the codepage and MB_CUR_MAX, both set by setlocale().  */
  61     __lc_codepage = codepage;
  62     switch (codepage)
  63       {
  64       case 1252:
  65       case 1256:
  66         MB_CUR_MAX = 1;
  67         break;
  68       case 932:
  69       case 950:
  70       case 936:
  71         MB_CUR_MAX = 2;
  72         break;
  73       case 54936:
  74       case 65001:
  75         MB_CUR_MAX = 4;
  76         break;
  77       }
  78
  79     /* Test whether the codepage is really available.  */
  80     {
  81       mbstate_t state;
  82       wchar_t wc;
  83
  84       memset (&state, '\0', sizeof (mbstate_t));
  85       if (mbrtowc (&wc, " ", 1, &state) == (size_t)(-1))
  86         return 77;
  87     }
  88   }
  89 # endif
  90
  91   /* Test NUL character.  */
  92   {
  93     buf[0] = 'x';
  94     ret = wcrtomb (buf, 0, NULL);
  95     ASSERT (ret == 1);
  96     ASSERT (buf[0] == '\0');
  97   }
  98
  99   /* Test single bytes.  */
 100   {
 101     int c;
 102
 103     for (c = 0; c < 0x100; c++)
 104       switch (c)
 105         {
 106         case '\t': case '\v': case '\f':
 107         case ' ': case '!': case '"': case '#': case '%':
 108         case '&': case '\'': case '(': case ')': case '*':
 109         case '+': case ',': case '-': case '.': case '/':
 110         case '0': case '1': case '2': case '3': case '4':
 111         case '5': case '6': case '7': case '8': case '9':
 112         case ':': case ';': case '<': case '=': case '>':
 113         case '?':
 114         case 'A': case 'B': case 'C': case 'D': case 'E':
 115         case 'F': case 'G': case 'H': case 'I': case 'J':
 116         case 'K': case 'L': case 'M': case 'N': case 'O':
 117         case 'P': case 'Q': case 'R': case 'S': case 'T':
 118         case 'U': case 'V': case 'W': case 'X': case 'Y':
 119         case 'Z':
 120         case '[': case '\\': case ']': case '^': case '_':
 121         case 'a': case 'b': case 'c': case 'd': case 'e':
 122         case 'f': case 'g': case 'h': case 'i': case 'j':
 123         case 'k': case 'l': case 'm': case 'n': case 'o':
 124         case 'p': case 'q': case 'r': case 's': case 't':
 125         case 'u': case 'v': case 'w': case 'x': case 'y':
 126         case 'z': case '{': case '|': case '}': case '~':
 127           /* c is in the ISO C "basic character set".  */
 128           ret = wcrtomb (buf, btowc (c), NULL);
 129           ASSERT (ret == 1);
 130           ASSERT (buf[0] == (char) c);
 131           break;
 132         }
 133   }
 134
 135   /* Test special calling convention, passing a NULL pointer.  */
 136   {
 137     ret = wcrtomb (NULL, '\0', NULL);
 138     ASSERT (ret == 1);
 139     ret = wcrtomb (NULL, btowc ('x'), NULL);
 140     ASSERT (ret == 1);
 141   }
 142
 143   switch (codepage)
 144     {
 145     case 1252:
 146       /* Locale encoding is CP1252, an extension of ISO-8859-1.  */
 147       {
 148         /* Convert "B\374\337er": "Büßer" */
 149         memset (buf, 'x', 8);
 150         ret = wcrtomb (buf, 0x00FC, NULL);
 151         ASSERT (ret == 1);
 152         ASSERT (memcmp (buf, "\374", 1) == 0);
 153         ASSERT (buf[1] == 'x');
 154
 155         memset (buf, 'x', 8);
 156         ret = wcrtomb (buf, 0x00DF, NULL);
 157         ASSERT (ret == 1);
 158         ASSERT (memcmp (buf, "\337", 1) == 0);
 159         ASSERT (buf[1] == 'x');
 160       }
 161       return 0;
 162
 163     case 1256:
 164       /* Locale encoding is CP1256, not the same as ISO-8859-6.  */
 165       {
 166         /* Convert "x\302\341\346y": "xآلوy" */
 167         memset (buf, 'x', 8);
 168         ret = wcrtomb (buf, 0x0622, NULL);
 169         ASSERT (ret == 1);
 170         ASSERT (memcmp (buf, "\302", 1) == 0);
 171         ASSERT (buf[1] == 'x');
 172
 173         memset (buf, 'x', 8);
 174         ret = wcrtomb (buf, 0x0644, NULL);
 175         ASSERT (ret == 1);
 176         ASSERT (memcmp (buf, "\341", 1) == 0);
 177         ASSERT (buf[1] == 'x');
 178
 179         memset (buf, 'x', 8);
 180         ret = wcrtomb (buf, 0x0648, NULL);
 181         ASSERT (ret == 1);
 182         ASSERT (memcmp (buf, "\346", 1) == 0);
 183         ASSERT (buf[1] == 'x');
 184       }
 185       return 0;
 186
 187     case 65001:
 188       /* Locale encoding is CP65001 = UTF-8.  */
 189       if (strcmp (locale_charset (), "UTF-8") != 0)
 190         return 77;
 191       {
 192         /* Convert "B\303\274\303\237er": "Büßer" */
 193         memset (buf, 'x', 8);
 194         ret = wcrtomb (buf, 0x00FC, NULL);
 195         ASSERT (ret == 2);
 196         ASSERT (memcmp (buf, "\303\274", 2) == 0);
 197         ASSERT (buf[2] == 'x');
 198
 199         memset (buf, 'x', 8);
 200         ret = wcrtomb (buf, 0x00DF, NULL);
 201         ASSERT (ret == 2);
 202         ASSERT (memcmp (buf, "\303\237", 2) == 0);
 203         ASSERT (buf[2] == 'x');
 204       }
 205       return 0;
 206
 207     case 932:
 208       /* Locale encoding is CP932, similar to Shift_JIS.  */
 209       {
 210         /* Convert "<\223\372\226\173\214\352>": "<日本語>" */
 211         memset (buf, 'x', 8);
 212         ret = wcrtomb (buf, 0x65E5, NULL);
 213         ASSERT (ret == 2);
 214         ASSERT (memcmp (buf, "\223\372", 2) == 0);
 215         ASSERT (buf[2] == 'x');
 216
 217         memset (buf, 'x', 8);
 218         ret = wcrtomb (buf, 0x672C, NULL);
 219         ASSERT (ret == 2);
 220         ASSERT (memcmp (buf, "\226\173", 2) == 0);
 221         ASSERT (buf[2] == 'x');
 222
 223         memset (buf, 'x', 8);
 224         ret = wcrtomb (buf, 0x8A9E, NULL);
 225         ASSERT (ret == 2);
 226         ASSERT (memcmp (buf, "\214\352", 2) == 0);
 227         ASSERT (buf[2] == 'x');
 228       }
 229       return 0;
 230
 231     case 950:
 232       /* Locale encoding is CP950, similar to Big5.  */
 233       {
 234         /* Convert "<\244\351\245\273\273\171>": "<日本語>" */
 235         memset (buf, 'x', 8);
 236         ret = wcrtomb (buf, 0x65E5, NULL);
 237         ASSERT (ret == 2);
 238         ASSERT (memcmp (buf, "\244\351", 2) == 0);
 239         ASSERT (buf[2] == 'x');
 240
 241         memset (buf, 'x', 8);
 242         ret = wcrtomb (buf, 0x672C, NULL);
 243         ASSERT (ret == 2);
 244         ASSERT (memcmp (buf, "\245\273", 2) == 0);
 245         ASSERT (buf[2] == 'x');
 246
 247         memset (buf, 'x', 8);
 248         ret = wcrtomb (buf, 0x8A9E, NULL);
 249         ASSERT (ret == 2);
 250         ASSERT (memcmp (buf, "\273\171", 2) == 0);
 251         ASSERT (buf[2] == 'x');
 252       }
 253       return 0;
 254
 255     case 936:
 256       /* Locale encoding is CP936 = GBK, an extension of GB2312.  */
 257       {
 258         /* Convert "<\310\325\261\276\325\132>": "<日本語>" */
 259         memset (buf, 'x', 8);
 260         ret = wcrtomb (buf, 0x65E5, NULL);
 261         ASSERT (ret == 2);
 262         ASSERT (memcmp (buf, "\310\325", 2) == 0);
 263         ASSERT (buf[2] == 'x');
 264
 265         memset (buf, 'x', 8);
 266         ret = wcrtomb (buf, 0x672C, NULL);
 267         ASSERT (ret == 2);
 268         ASSERT (memcmp (buf, "\261\276", 2) == 0);
 269         ASSERT (buf[2] == 'x');
 270
 271         memset (buf, 'x', 8);
 272         ret = wcrtomb (buf, 0x8A9E, NULL);
 273         ASSERT (ret == 2);
 274         ASSERT (memcmp (buf, "\325\132", 2) == 0);
 275         ASSERT (buf[2] == 'x');
 276       }
 277       return 0;
 278
 279     case 54936:
 280       /* Locale encoding is CP54936 = GB18030.  */
 281       if (strcmp (locale_charset (), "GB18030") != 0)
 282         return 77;
 283       {
 284         /* Convert "B\250\271\201\060\211\070er": "Büßer" */
 285         memset (buf, 'x', 8);
 286         ret = wcrtomb (buf, 0x00FC, NULL);
 287         ASSERT (ret == 2);
 288         ASSERT (memcmp (buf, "\250\271", 2) == 0);
 289         ASSERT (buf[2] == 'x');
 290
 291         memset (buf, 'x', 8);
 292         ret = wcrtomb (buf, 0x00DF, NULL);
 293         ASSERT (ret == 4);
 294         ASSERT (memcmp (buf, "\201\060\211\070", 4) == 0);
 295         ASSERT (buf[4] == 'x');
 296       }
 297       return 0;
 298
 299     default:
 300       return 1;
 301     }
 302 }
 303
 304 int
 305 main (int argc, char *argv[])
 306 {
 307   int codepage = atoi (argv[argc - 1]);
 308   int result;
 309   int i;
 310
 311   result = 77;
 312   for (i = 1; i < argc - 1; i++)
 313     {
 314       int ret = test_one_locale (argv[i], codepage);
 315
 316       if (ret != 77)
 317         result = ret;
 318     }
 319
 320   if (result == 77)
 321     {
 322       if (test_exit_status != EXIT_SUCCESS)
 323         return test_exit_status;
 324       fprintf (stderr, "Skipping test: found no locale with codepage %d\n",
 325                codepage);
 326     }
 327   return (result ? result : test_exit_status);
 328 }
 329
 330 #else
 331
 332 int
 333 main (int argc, char *argv[])
 334 {
 335   fputs ("Skipping test: not a native Windows system\n", stderr);
 336   return 77;
 337 }
 338
 339 #endif