src/sed/testsuite/bug-regex13.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 Isamu Hasegawa <isamu@yamato.ibm.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., 51 Franklin Street, Fifth Floor, Boston, MA
  19    02110-1301 USA.  */
  20
  21 #include "config.h"
  22
  23 #include <sys/types.h>
  24 #ifdef HAVE_MCHECK_H
  25 #include <mcheck.h>
  26 #endif
  27 #include <regex.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31
  32 static struct
  33 {
  34   int syntax;
  35   const char *pattern;
  36   const char *string;
  37   int start;
  38 } tests[] = {
  39   {RE_BACKSLASH_ESCAPE_IN_LISTS, "[0\\-9]", "1", -1}, /* It should not match.  */
  40   {RE_BACKSLASH_ESCAPE_IN_LISTS, "[0\\-9]", "-", 0}, /* It should match.  */
  41   {RE_SYNTAX_POSIX_BASIC, "s1\n.*\ns3", "s1\ns2\ns3", 0},
  42   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c", "ac", 0},
  43   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c", "abc", -1},
  44   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}c", "abbc", -1},
  45   /* Nested duplication.  */
  46   {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c", "ac", -1},
  47   {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c", "abc", 0},
  48   {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{1}c", "abbc", -1},
  49   {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c", "ac", -1},
  50   {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c", "abbc", -1},
  51   {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c", "abbbbc", 0},
  52   {RE_SYNTAX_POSIX_EXTENDED, "ab{2}{2}c", "abbbbbc", -1},
  53   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c", "ac", 0},
  54   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c", "abc", -1},
  55   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}{1}c", "abbc", -1},
  56   {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c", "ac", 0},
  57   {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c", "abc", -1},
  58   {RE_SYNTAX_POSIX_EXTENDED, "ab{1}{0}c", "abbc", -1},
  59   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c", "ac", 0},
  60   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c", "abc", -1},
  61   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}*c", "abbc", -1},
  62   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c", "ac", 0},
  63   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c", "abc", -1},
  64   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}?c", "abbc", -1},
  65   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c", "ac", 0},
  66   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c", "abc", -1},
  67   {RE_SYNTAX_POSIX_EXTENDED, "ab{0}+c", "abbc", -1},
  68 };
  69
  70 int
  71 main (void)
  72 {
  73   struct re_pattern_buffer regbuf;
  74   const char *err;
  75   size_t i;
  76   int ret = 0;
  77
  78 #ifdef HAVE_MCHECK_H
  79   mtrace ();
  80 #endif
  81
  82   for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
  83     {
  84       int start;
  85       re_set_syntax (tests[i].syntax);
  86       memset (&regbuf, '\0', sizeof (regbuf));
  87       err = re_compile_pattern (tests[i].pattern, strlen (tests[i].pattern),
  88                                 &regbuf);
  89       if (err != NULL)
  90         {
  91           printf ("re_compile_pattern failed: %s\n", err);
  92           ret = 1;
  93           continue;
  94         }
  95
  96       start = re_search (&regbuf, tests[i].string, strlen (tests[i].string),
  97                          0, strlen (tests[i].string), NULL);
  98       if (start != tests[i].start)
  99         {
 100           printf ("re_search failed %d\n", start);
 101           ret = 1;
 102           regfree (&regbuf);
 103           continue;
 104         }
 105       regfree (&regbuf);
 106     }
 107
 108   return ret;
 109 }