This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdio.h>
#include <stdlib.h>
#include <wctype.h>
int
main(int argc, char *argv[])
{
int result = 0;
wint_t ch;
for (ch = 0; ch < 128; ++ch) {
if (iswlower(ch)) {
wint_t up = towupper(ch);
wint_t low = towlower(ch);
if ((ch != low) || (up == ch) || (up == low)) {
printf(
"iswlower/towupper/towlower for character \\%x failed\n",
ch);
result++;
}
}
if (iswupper(ch)) {
wint_t low = towlower(ch);
wint_t up = towupper(ch);
if ((ch != up) || (low == ch) || (up == low)) {
printf(
"iswupper/towlower/towupper for character \\%x failed\n",
ch);
result++;
}
}
}
ch = L'A';
if (!iswupper(ch) || iswlower(ch)) {
printf("!iswupper/iswlower (L'A') failed\n");
result++;
}
ch = L'a';
if (iswupper(ch) || !iswlower(ch)) {
printf("iswupper/!iswlower (L'a') failed\n");
result++;
}
if (towlower(L'A') != L'a') {
printf("towlower(L'A') failed\n");
result++;
}
if (towupper(L'a') != L'A') {
printf("towupper(L'a') failed\n");
result++;
}
if (result == 0)
puts("All test successful!");
return result != 0;
}
