wctype/test_wcfuncs.c

   1 /* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <wctype.h>
  22
  23 int
  24 main (int argc, char *argv[])
  25 {
  26   int result = 0;
  27   wint_t ch;
  28
  29
  30   for (ch = 0; ch < 128; ++ch)
  31     {
  32       if (iswlower (ch))
  33         {
  34           /* Get corresponding upper case character.  */
  35           wint_t up = towupper (ch);
  36           /* This should have no effect.  */
  37           wint_t low  = towlower (ch);
  38
  39           if ((ch != low) || (up == ch) || (up == low))
  40             {
  41               printf ("iswlower/towupper/towlower for character \\%x failed\n", ch);
  42               result++;
  43             }
  44         }
  45       if (iswupper (ch))
  46         {
  47           /* Get corresponding lower case character.  */
  48           wint_t low = towlower (ch);
  49           /* This should have no effect.  */
  50           wint_t up  = towupper (ch);
  51
  52           if ((ch != up) || (low == ch) || (up == low))
  53             {
  54               printf ("iswupper/towlower/towupper for character \\%x failed\n", ch);
  55               result++;
  56             }
  57         }
  58     }
  59
  60   /* Finally some specific tests.  */
  61   ch = L'A';
  62   if (!iswupper (ch) || iswlower (ch))
  63     {
  64       printf ("!iswupper/iswlower (L'A') failed\n");
  65       result++;
  66
  67     }
  68   ch = L'a';
  69   if (iswupper (ch) || !iswlower (ch))
  70     {
  71       printf ("iswupper/!iswlower (L'a') failed\n");
  72       result++;
  73     }
  74   if (towlower (L'A') != L'a')
  75     {
  76       printf ("towlower(L'A') failed\n");
  77       result++;
  78     }
  79   if (towupper (L'a') != L'A')
  80     {
  81       printf ("towupper(L'a') failed\n");
  82       result++;
  83     }
  84
  85   if (result == 0)
  86     puts ("All test successful!");
  87   return result != 0;
  88 }