1/*-
2 * Copyright (c) 2002 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 wcrtomb(), 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#include <wchar.h>
46
47int
48main(int argc, char *argv[])
49{
50	mbstate_t s;
51	size_t len;
52	char buf[MB_LEN_MAX + 1];
53
54	/*
55	 * C/POSIX locale.
56	 */
57
58	printf("1..1\n");
59
60	assert(MB_CUR_MAX == 1);
61
62	/*
63	 * If the buffer argument is NULL, wc is implicitly L'\0',
64	 * wcrtomb() resets its internal state.
65	 */
66	assert(wcrtomb(NULL, L'\0', NULL) == 1);
67	assert(wcrtomb(NULL, UCHAR_MAX + 1, NULL) == 1);
68
69	/* Null wide character. */
70	memset(&s, 0, sizeof(s));
71	memset(buf, 0xcc, sizeof(buf));
72	len = wcrtomb(buf, L'\0', &s);
73	assert(len == 1);
74	assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
75
76	/* Latin letter A, internal state. */
77	assert(wcrtomb(NULL, L'\0', NULL) == 1);
78	assert(wcrtomb(NULL, L'A', NULL) == 1);
79
80	/* Latin letter A. */
81	memset(&s, 0, sizeof(s));
82	memset(buf, 0xcc, sizeof(buf));
83	len = wcrtomb(buf, L'A', &s);
84	assert(len == 1);
85	assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
86
87	/* Invalid code. */
88	assert(wcrtomb(buf, UCHAR_MAX + 1, NULL) == (size_t)-1);
89	assert(errno == EILSEQ);
90
91	/*
92	 * Japanese (EUC) locale.
93	 */
94
95	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
96	assert(MB_CUR_MAX == 3);
97
98	/*
99	 * If the buffer argument is NULL, wc is implicitly L'\0',
100	 * wcrtomb() resets its internal state.
101	 */
102	assert(wcrtomb(NULL, L'\0', NULL) == 1);
103
104	/* Null wide character. */
105	memset(&s, 0, sizeof(s));
106	memset(buf, 0xcc, sizeof(buf));
107	len = wcrtomb(buf, L'\0', &s);
108	assert(len == 1);
109	assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
110
111	/* Latin letter A, internal state. */
112	assert(wcrtomb(NULL, L'\0', NULL) == 1);
113	assert(wcrtomb(NULL, L'A', NULL) == 1);
114
115	/* Latin letter A. */
116	memset(&s, 0, sizeof(s));
117	memset(buf, 0xcc, sizeof(buf));
118	len = wcrtomb(buf, L'A', &s);
119	assert(len == 1);
120	assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
121
122	/* Full width letter A. */
123	memset(&s, 0, sizeof(s));
124	memset(buf, 0xcc, sizeof(buf));
125	len = wcrtomb(buf, 0xa3c1, &s);
126	assert(len == 2);
127	assert((unsigned char)buf[0] == 0xa3 &&
128		(unsigned char)buf[1] == 0xc1 &&
129		(unsigned char)buf[2] == 0xcc);
130
131	printf("ok 1 - wcrtomb()\n");
132
133	return (0);
134}
135