posix/runtests.c

   1 /***********************************************************
   2
   3 Copyright 1995 by Tom Lord
   4
   5                         All Rights Reserved
   6
   7 Permission to use, copy, modify, and distribute this software and its
   8 documentation for any purpose and without fee is hereby granted,
   9 provided that the above copyright notice appear in all copies and that
  10 both that copyright notice and this permission notice appear in
  11 supporting documentation, and that the name of the copyright holder not be
  12 used in advertising or publicity pertaining to distribution of the
  13 software without specific, written prior permission.
  14
  15 Tom Lord DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  16 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  17 EVENT SHALL TOM LORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  18 CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
  19 USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
  20 OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  21 PERFORMANCE OF THIS SOFTWARE.
  22
  23 ******************************************************************/
  24
  25
  26 \f
  27 #include <sys/types.h>
  28 #include <regex.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 \f
  34
  35 struct a_test
  36 {
  37   int expected;
  38   const char * pattern;
  39   const unsigned char * data;
  40 };
  41
  42 static const struct a_test the_tests[] =
  43 {
  44 #include "testcases.h"
  45   {-1, 0, 0}
  46 };
  47
  48
  49 \f
  50
  51 static int
  52 run_a_test (int id, const struct a_test * t)
  53 {
  54   static const char * last_pattern = 0;
  55   static regex_t r;
  56   int err;
  57   char errmsg[100];
  58   int x;
  59   regmatch_t regs[10];
  60
  61   if (!last_pattern || strcmp (last_pattern, t->pattern))
  62     {
  63       if (last_pattern)
  64         regfree (&r);
  65       last_pattern = t->pattern;
  66       err = regcomp (&r, t->pattern, REG_EXTENDED);
  67       if (err)
  68         {
  69           if (t->expected == 2)
  70             {
  71               puts (" OK.");
  72               return 0;
  73             }
  74           if (last_pattern)
  75             regfree (&r);
  76           last_pattern = NULL;
  77           regerror (err, &r, errmsg, 100);
  78           printf (" FAIL: %s.\n", errmsg);
  79           return 1;
  80         }
  81       else if (t->expected == 2)
  82         {
  83           printf ("test %d\n", id);
  84           printf ("pattern \"%s\" successfull compilation not expected\n",
  85                   t->pattern);
  86           return 1;
  87         }
  88     }
  89
  90   err = regexec (&r, t->data, 10, regs, 0);
  91
  92   if (err != t->expected)
  93     {
  94       printf ("test %d\n", id);
  95       printf ("pattern \"%s\" data \"%s\" wanted %d got %d\n",
  96               t->pattern, t->data, t->expected, err);
  97       for (x = 0; x < 10; ++x)
  98         printf ("reg %d == (%d, %d) %.*s\n",
  99                 x,
 100                 regs[x].rm_so,
 101                 regs[x].rm_eo,
 102                 regs[x].rm_eo - regs[x].rm_so,
 103                 t->data + regs[x].rm_so);
 104       return 1;
 105     }
 106   puts (" OK.");
 107   return 0;
 108 }
 109
 110 \f
 111
 112 int
 113 main (int argc, char * argv[])
 114 {
 115   int x;
 116   int lo;
 117   int hi;
 118   int res = 0;
 119
 120   lo = 0;
 121   hi = (sizeof (the_tests) / sizeof (the_tests[0])) - 1;
 122
 123   if (argc > 1)
 124     {
 125       lo = atoi (argv[1]);
 126       hi = lo + 1;
 127
 128       if (argc > 2)
 129         hi = atoi (argv[2]);
 130     }
 131
 132   for (x = lo; x < hi; ++x)
 133     {
 134       printf ("#%d:", x);
 135       res |= run_a_test (x, &the_tests[x]);
 136     }
 137   return res != 0;
 138 }