posix/runptests.c

   1 /* POSIX regex testsuite from IEEE 2003.2.
   2    Copyright (C) 1998-2017 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
   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, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <sys/types.h>
  21 #include <regex.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24
  25 /* Data structure to describe the tests.  */
  26 struct test
  27 {
  28   int start;
  29   int end;
  30   const char *reg;
  31   const char *str;
  32   int options;
  33 } tests[] =
  34 {
  35 #include "ptestcases.h"
  36 };
  37
  38
  39 int
  40 main (int argc, char *argv[])
  41 {
  42   size_t cnt;
  43   int errors = 0;
  44
  45   for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt)
  46     if (tests[cnt].str == NULL)
  47       {
  48         printf ("\n%s\n%.*s\n", tests[cnt].reg,
  49                 (int) strlen (tests[cnt].reg),
  50                 "-----------------------------------------------------");
  51       }
  52     else if (tests[cnt].reg == NULL)
  53         printf ("!!! %s\n", tests[cnt].str);
  54     else
  55       {
  56         regex_t re;
  57         regmatch_t match[20];
  58         int err;
  59
  60         printf ("regexp: \"%s\", string: \"%s\" -> ", tests[cnt].reg,
  61                 tests[cnt].str);
  62
  63         /* Compile the expression.  */
  64         err = regcomp (&re, tests[cnt].reg, tests[cnt].options);
  65         if (err != 0)
  66           {
  67             if (tests[cnt].start == -2)
  68               puts ("compiling failed, OK");
  69             else
  70               {
  71                 char buf[100];
  72                 regerror (err, &re, buf, sizeof (buf));
  73                 printf ("FAIL: %s\n", buf);
  74                 ++errors;
  75               }
  76
  77             continue;
  78           }
  79         else if (tests[cnt].start == -2)
  80           {
  81             puts ("compiling suceeds, FAIL");
  82             errors++;
  83             continue;
  84           }
  85
  86         /* Run the actual test.  */
  87         err = regexec (&re, tests[cnt].str, 20, match, 0);
  88
  89         if (err != 0)
  90           {
  91             if (tests[cnt].start == -1)
  92               puts ("no match, OK");
  93             else
  94               {
  95                 puts ("no match, FAIL");
  96                 ++errors;
  97               }
  98           }
  99         else
 100           {
 101             if (match[0].rm_so == 0 && tests[cnt].start == 0
 102                 && match[0].rm_eo == 0 && tests[cnt].end == 0)
 103               puts ("match, OK");
 104             else if (match[0].rm_so + 1 == tests[cnt].start
 105                      && match[0].rm_eo == tests[cnt].end)
 106               puts ("match, OK");
 107             else
 108               {
 109                 printf ("wrong match (%d to %d): FAIL\n",
 110                         match[0].rm_so, match[0].rm_eo);
 111                 ++errors;
 112               }
 113           }
 114
 115         /* Free all resources.  */
 116         regfree (&re);
 117       }
 118
 119   printf ("\n%Zu tests, %d errors\n", cnt, errors);
 120
 121   return errors != 0;
 122 }