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
24int
25main(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}
84