1/*-
2 * Copyright (c) 2002-2004 Tim J. Robbins
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/*
28 * Test program for wctomb(), as specified by IEEE Std. 1003.1-2001 and
29 * ISO/IEC 9899:1999.
30 *
31 * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
32 * "ja_JP.eucJP". Other encodings are not tested.
33 */
34
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD$");
37
38#include <assert.h>
39#include <errno.h>
40#include <limits.h>
41#include <locale.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <string.h>
45
46int
47main(int argc, char *argv[])
48{
49	size_t len;
50	char buf[MB_LEN_MAX + 1];
51
52	/*
53	 * C/POSIX locale.
54	 */
55
56	printf("1..1\n");
57
58	assert(MB_CUR_MAX == 1);
59
60	/* No shift states in C locale. */
61	assert(wctomb(NULL, L'\0') == 0);
62
63	/* Null wide character. */
64	memset(buf, 0xcc, sizeof(buf));
65	len = wctomb(buf, L'\0');
66	assert(len == 1);
67	assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
68
69	/* Latin letter A. */
70	memset(buf, 0xcc, sizeof(buf));
71	len = wctomb(buf, L'A');
72	assert(len == 1);
73	assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
74
75	/* Invalid code. */
76	assert(wctomb(buf, UCHAR_MAX + 1) == -1);
77	assert(wctomb(NULL, 0) == 0);
78
79	/*
80	 * Japanese (EUC) locale.
81	 */
82
83	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
84	assert(MB_CUR_MAX == 3);
85
86	/* No shift states in EUC encoding. */
87	assert(wctomb(NULL, L'\0') == 0);
88
89	/* Null wide character. */
90	memset(buf, 0xcc, sizeof(buf));
91	len = wctomb(buf, L'\0');
92	assert(len == 1);
93	assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
94
95	/* Latin letter A. */
96	memset(buf, 0xcc, sizeof(buf));
97	len = wctomb(buf, L'A');
98	assert(len == 1);
99	assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
100
101	/* Full width letter A. */
102	memset(buf, 0xcc, sizeof(buf));
103	len = wctomb(buf, 0xa3c1);
104	assert(len == 2);
105	assert((unsigned char)buf[0] == 0xa3 &&
106		(unsigned char)buf[1] == 0xc1 &&
107		(unsigned char)buf[2] == 0xcc);
108
109	printf("ok 1 - wctomb()\n");
110
111	return (0);
112}
113