tests/tst_nfkc.c

   1 /* tst_nfkc.c   Self tests for stringprep_utf8_nfkc_normalize().
   2  * Copyright (C) 2002, 2003  Simon Josefsson
   3  *
   4  * This file is part of GNU Libidn.
   5  *
   6  * GNU Libidn is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GNU Libidn 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
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GNU Libidn; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "internal.h"
  23
  24 static int debug = 0;
  25 static int error_count = 0;
  26 static int break_on_error = 0;
  27
  28 static void
  29 fail (const char *format, ...)
  30 {
  31   va_list arg_ptr;
  32
  33   va_start (arg_ptr, format);
  34   vfprintf (stderr, format, arg_ptr);
  35   va_end (arg_ptr);
  36   error_count++;
  37   if (break_on_error)
  38     exit (1);
  39 }
  40
  41 static void
  42 escapeprint (char *str, int len)
  43 {
  44   int i;
  45
  46   printf ("\t ;; `");
  47   for (i = 0; i < len; i++)
  48     {
  49       str[i] = str[i] & 0xFF;
  50       if ((str[i] >= 'A' && str[i] <= 'Z') ||
  51           (str[i] >= 'a' && str[i] <= 'z') ||
  52           (str[i] >= '0' && str[i] <= '9') || str[i] == '.')
  53         printf ("%c", str[i]);
  54       else
  55         printf ("\\x%02x", str[i]);
  56     }
  57   printf ("' (length %d bytes)\n", len);
  58 }
  59
  60 static void
  61 hexprint (char *str, int len)
  62 {
  63   int i;
  64
  65   printf ("\t ;; ");
  66   for (i = 0; i < len; i++)
  67     {
  68       str[i] = str[i] & 0xFF;
  69       printf ("%02x ", str[i]);
  70       if ((i + 1) % 8 == 0)
  71         printf (" ");
  72       if ((i + 1) % 16 == 0 && i + 1 < len)
  73         printf ("\n\t ;; ");
  74     }
  75 }
  76
  77 static void
  78 binprint (char *str, int len)
  79 {
  80   int i;
  81
  82   printf ("\t ;; ");
  83   for (i = 0; i < len; i++)
  84     {
  85       str[i] = str[i] & 0xFF;
  86       printf ("%d%d%d%d%d%d%d%d ",
  87               str[i] & 0x80 ? 1 : 0,
  88               str[i] & 0x40 ? 1 : 0,
  89               str[i] & 0x20 ? 1 : 0,
  90               str[i] & 0x10 ? 1 : 0,
  91               str[i] & 0x08 ? 1 : 0,
  92               str[i] & 0x04 ? 1 : 0,
  93               str[i] & 0x02 ? 1 : 0, str[i] & 0x01 ? 1 : 0);
  94       if ((i + 1) % 3 == 0)
  95         printf (" ");
  96       if ((i + 1) % 6 == 0 && i + 1 < len)
  97         printf ("\n\t ;; ");
  98     }
  99 }
 100
 101 struct nfkc
 102 {
 103   char *in;
 104   char *out;
 105 }
 106 nfkc[] =
 107 {
 108   {
 109   "\xC2\xB5", "\xCE\xBC"}
 110   ,
 111   {
 112   "\xC2\xAA", "\x61"}
 113 };
 114
 115 int
 116 main (int argc, char *argv[])
 117 {
 118   char *out;
 119   size_t i;
 120
 121   do
 122     if (strcmp (argv[argc - 1], "-v") == 0 ||
 123         strcmp (argv[argc - 1], "--verbose") == 0)
 124       debug = 1;
 125     else if (strcmp (argv[argc - 1], "-b") == 0 ||
 126              strcmp (argv[argc - 1], "--break-on-error") == 0)
 127       break_on_error = 1;
 128     else if (strcmp (argv[argc - 1], "-h") == 0 ||
 129              strcmp (argv[argc - 1], "-?") == 0 ||
 130              strcmp (argv[argc - 1], "--help") == 0)
 131       {
 132         printf ("Usage: %s [-vbh?] [--verbose] [--break-on-error] [--help]\n",
 133                 argv[0]);
 134         return 1;
 135       }
 136   while (argc-- > 1);
 137
 138   for (i = 0; i < sizeof (nfkc) / sizeof (nfkc[0]); i++)
 139     {
 140       if (debug)
 141         printf ("NFKC entry %d\n", i);
 142
 143       out = stringprep_utf8_nfkc_normalize (nfkc[i].in, strlen (nfkc[i].in));
 144       if (out == NULL)
 145         {
 146           fail ("NFKC entry %d failed fatally\n", i);
 147           continue;
 148         }
 149
 150       if (debug)
 151         {
 152           printf ("in:\n");
 153           escapeprint (nfkc[i].in, strlen (nfkc[i].in));
 154           hexprint (nfkc[i].in, strlen (nfkc[i].in));
 155           puts ("");
 156           binprint (nfkc[i].in, strlen (nfkc[i].in));
 157           puts ("");
 158
 159           printf ("out:\n");
 160           escapeprint (out, strlen (out));
 161           hexprint (out, strlen (out));
 162           puts ("");
 163           binprint (out, strlen (out));
 164           puts ("");
 165
 166           printf ("expected out:\n");
 167           escapeprint (nfkc[i].out, strlen (nfkc[i].out));
 168           hexprint (nfkc[i].out, strlen (nfkc[i].out));
 169           puts ("");
 170           binprint (nfkc[i].out, strlen (nfkc[i].out));
 171           puts ("");
 172         }
 173
 174       if (strlen (nfkc[i].out) != strlen (out) ||
 175           memcmp (nfkc[i].out, out, strlen (out)) != 0)
 176         {
 177           fail ("NFKC entry %d failed\n", i);
 178           if (debug)
 179             printf ("ERROR\n");
 180         }
 181       else if (debug)
 182         printf ("OK\n");
 183
 184       free (out);
 185     }
 186
 187   if (debug)
 188     printf ("NFKC self tests done with %d errors\n", error_count);
 189
 190   return error_count ? 1 : 0;
 191 }