posix/bug-regex11.c

   1 /* Regular expression tests.
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <sys/types.h>
  22 #include <mcheck.h>
  23 #include <regex.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26
  27 /* Tests supposed to match.  */
  28 struct
  29 {
  30   const char *pattern;
  31   const char *string;
  32   int flags, nmatch;
  33   regmatch_t rm[5];
  34 } tests[] = {
  35   /* Test for newline handling in regex.  */
  36   { "[^~]*~", "\nx~y", 0, 2, { { 0, 3 }, { -1, -1 } } },
  37   /* Other tests.  */
  38   { ".*|\\([KIO]\\)\\([^|]*\\).*|?[KIO]", "10~.~|P|K0|I10|O16|?KSb", 0, 3,
  39     { { 0, 21 }, { 15, 16 }, { 16, 18 } } },
  40   { ".*|\\([KIO]\\)\\([^|]*\\).*|?\\1", "10~.~|P|K0|I10|O16|?KSb", 0, 3,
  41     { { 0, 21 }, { 8, 9 }, { 9, 10 } } },
  42   { "^\\(a*\\)\\1\\{9\\}\\(a\\{0,9\\}\\)\\([0-9]*;.*[^a]\\2\\([0-9]\\)\\)",
  43     "a1;;0a1aa2aaa3aaaa4aaaaa5aaaaaa6aaaaaaa7aaaaaaaa8aaaaaaaaa9aa2aa1a0", 0,
  44     5, { { 0, 67 }, { 0, 0 }, { 0, 1 }, { 1, 67 }, { 66, 67 } } }
  45 };
  46
  47 int
  48 main (void)
  49 {
  50   regex_t re;
  51   regmatch_t rm[5];
  52   size_t i;
  53   int n, ret = 0;
  54
  55   mtrace ();
  56
  57   for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
  58     {
  59       n = regcomp (&re, tests[i].pattern, tests[i].flags);
  60       if (n != 0)
  61         {
  62           char buf[500];
  63           regerror (n, &re, buf, sizeof (buf));
  64           printf ("regcomp %zd failed: %s\n", i, buf);
  65           ret = 1;
  66           continue;
  67         }
  68
  69       if (regexec (&re, tests[i].string, tests[i].nmatch, rm, 0))
  70         {
  71           printf ("regexec %zd failed\n", i);
  72           ret = 1;
  73           regfree (&re);
  74           continue;
  75         }
  76
  77       for (n = 0; n < tests[i].nmatch; ++n)
  78         if (rm[n].rm_so != tests[i].rm[n].rm_so
  79               || rm[n].rm_eo != tests[i].rm[n].rm_eo)
  80           {
  81             if (tests[i].rm[n].rm_so == -1 && tests[i].rm[n].rm_eo == -1)
  82               break;
  83             printf ("regexec match failure rm[%d] %d..%d\n",
  84                     n, rm[n].rm_so, rm[n].rm_eo);
  85             ret = 1;
  86             break;
  87           }
  88
  89       regfree (&re);
  90     }
  91
  92   return ret;
  93 }