posix/bug-regex30.c

   1 /* Russian regular expression tests.
   2    Copyright (C) 2009-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sys/types.h>
  20 #include <mcheck.h>
  21 #include <regex.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <locale.h>
  25
  26 /* Tests supposed to match.  */
  27 struct
  28 {
  29   const char *pattern;
  30   const char *string;
  31   int flags, nmatch;
  32   regmatch_t rm[5];
  33 } tests[] = {
  34   /* U+0413     \xd0\x93        CYRILLIC CAPITAL LETTER GHE
  35      U+0420     \xd0\xa0        CYRILLIC CAPITAL LETTER ER
  36      U+0430     \xd0\xb0        CYRILLIC SMALL LETTER A
  37      U+0433     \xd0\xb3        CYRILLIC SMALL LETTER GHE
  38      U+0440     \xd1\x80        CYRILLIC SMALL LETTER ER
  39      U+044F     \xd1\x8f        CYRILLIC SMALL LETTER YA */
  40   { "[\xd0\xb0-\xd1\x8f]", "\xd0\xb3", 0, 1,
  41     { { 0, 2 } } },
  42   { "[\xd0\xb0-\xd1\x8f]", "\xd0\x93", REG_ICASE, 1,
  43     { { 0, 2 } } },
  44   { "[\xd1\x80-\xd1\x8f]", "\xd0\xa0", REG_ICASE, 1,
  45     { { 0, 2 } } },
  46 };
  47
  48
  49 static int
  50 do_test (void)
  51 {
  52   if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
  53     {
  54       puts ("setlocale failed");
  55       return 1;
  56     }
  57
  58   int ret = 0;
  59
  60   for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
  61     {
  62       regex_t re;
  63       regmatch_t rm[5];
  64       int n = regcomp (&re, tests[i].pattern, tests[i].flags);
  65       if (n != 0)
  66         {
  67           char buf[500];
  68           regerror (n, &re, buf, sizeof (buf));
  69           printf ("regcomp %zd failed: %s\n", i, buf);
  70           ret = 1;
  71           continue;
  72         }
  73
  74       if (regexec (&re, tests[i].string, tests[i].nmatch, rm, 0))
  75         {
  76           printf ("regexec %zd failed\n", i);
  77           ret = 1;
  78           regfree (&re);
  79           continue;
  80         }
  81
  82       for (n = 0; n < tests[i].nmatch; ++n)
  83         if (rm[n].rm_so != tests[i].rm[n].rm_so
  84               || rm[n].rm_eo != tests[i].rm[n].rm_eo)
  85           {
  86             if (tests[i].rm[n].rm_so == -1 && tests[i].rm[n].rm_eo == -1)
  87               break;
  88             printf ("regexec match failure rm[%d] %d..%d\n",
  89                     n, rm[n].rm_so, rm[n].rm_eo);
  90             ret = 1;
  91             break;
  92           }
  93
  94       regfree (&re);
  95     }
  96
  97   return ret;
  98 }
  99
 100 #define TEST_FUNCTION do_test ()
 101 #include "../test-skeleton.c"