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!");