1 /* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
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 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
24 main (int argc, char *argv[])
30 for (ch = 0; ch < 128; ++ch)
34 /* Get corresponding upper case character. */
35 wint_t up = towupper (ch);
36 /* This should have no effect. */
37 wint_t low = towlower (ch);
39 if ((ch != low) || (up == ch) || (up == low))
41 printf ("iswlower/towupper/towlower for character \\%x failed\n", ch);
47 /* Get corresponding lower case character. */
48 wint_t low = towlower (ch);
49 /* This should have no effect. */
50 wint_t up = towupper (ch);
52 if ((ch != up) || (low == ch) || (up == low))
54 printf ("iswupper/towlower/towupper for character \\%x failed\n", ch);
60 /* Finally some specific tests. */
62 if (!iswupper (ch) || iswlower (ch))
64 printf ("!iswupper/iswlower (L'A') failed\n");
69 if (iswupper (ch) || !iswlower (ch))
71 printf ("iswupper/!iswlower (L'a') failed\n");
74 if (towlower (L'A') != L'a')
76 printf ("towlower(L'A') failed\n");
79 if (towupper (L'a') != L'A')
81 printf ("towupper(L'a') failed\n");
86 puts ("All test successful!");