src/tests/system/libroot/posix/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
  24 int
  25 main(int argc, char *argv[])
  26 {
  27         int result = 0;
  28         wint_t ch;
  29
  30         for (ch = 0; ch < 128; ++ch) {
  31                 if (iswlower(ch)) {
  32                         /* Get corresponding upper case character.  */
  33                         wint_t up = towupper(ch);
  34                         /* This should have no effect.  */
  35                         wint_t low = towlower(ch);
  36
  37                         if ((ch != low) || (up == ch) || (up == low)) {
  38                                 printf(
  39                                         "iswlower/towupper/towlower for character \\%x failed\n",
  40                                         ch);
  41                                 result++;
  42                         }
  43                 }
  44                 if (iswupper(ch)) {
  45                         /* Get corresponding lower case character.  */
  46                         wint_t low = towlower(ch);
  47                         /* This should have no effect.  */
  48                         wint_t up = towupper(ch);
  49
  50                         if ((ch != up) || (low == ch) || (up == low)) {
  51                                 printf(
  52                                         "iswupper/towlower/towupper for character \\%x failed\n",
  53                                         ch);
  54                                 result++;
  55                         }
  56                 }
  57         }
  58
  59         /* Finally some specific tests.  */
  60         ch = L'A';
  61         if (!iswupper(ch) || iswlower(ch)) {
  62                 printf("!iswupper/iswlower (L'A') failed\n");
  63                 result++;
  64
  65         }
  66         ch = L'a';
  67         if (iswupper(ch) || !iswlower(ch)) {
  68                 printf("iswupper/!iswlower (L'a') failed\n");
  69                 result++;
  70         }
  71         if (towlower(L'A') != L'a') {
  72                 printf("towlower(L'A') failed\n");
  73                 result++;
  74         }
  75         if (towupper(L'a') != L'A') {
  76                 printf("towupper(L'a') failed\n");
  77                 result++;
  78         }
  79
  80         if (result == 0)
  81                 puts("All test successful!");
  82         return result != 0;
  83 }