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 mbrlen(), 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	/* Null wide character, internal state. */
63	memset(buf, 0xcc, sizeof(buf));
64	buf[0] = 0;
65	assert(mbrlen(buf, 1, NULL) == 0);
66
67	/* Null wide character. */
68	memset(&s, 0, sizeof(s));
69	assert(mbrlen(buf, 1, &s) == 0);
70
71	/* Latin letter A, internal state. */
72	assert(mbrlen(NULL, 0, NULL) == 0);
73	buf[0] = 'A';
74	assert(mbrlen(buf, 1, NULL) == 1);
75
76	/* Latin letter A. */
77	memset(&s, 0, sizeof(s));
78	assert(mbrlen(buf, 1, &s) == 1);
79
80	/* Incomplete character sequence. */
81	memset(&s, 0, sizeof(s));
82	assert(mbrlen(buf, 0, &s) == (size_t)-2);
83
84	/*
85	 * Japanese (EUC) locale.
86	 */
87
88	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
89	assert(MB_CUR_MAX > 1);
90
91	/* Null wide character, internal state. */
92	assert(mbrlen(NULL, 0, NULL) == 0);
93	memset(buf, 0xcc, sizeof(buf));
94	buf[0] = 0;
95	assert(mbrlen(buf, 1, NULL) == 0);
96
97	/* Null wide character. */
98	memset(&s, 0, sizeof(s));
99	assert(mbrlen(buf, 1, &s) == 0);
100
101	/* Latin letter A, internal state. */
102	assert(mbrlen(NULL, 0, NULL) == 0);
103	buf[0] = 'A';
104	assert(mbrlen(buf, 1, NULL) == 1);
105
106	/* Latin letter A. */
107	memset(&s, 0, sizeof(s));
108	assert(mbrlen(buf, 1, &s) == 1);
109
110	/* Incomplete character sequence (zero length). */
111	memset(&s, 0, sizeof(s));
112	assert(mbrlen(buf, 0, &s) == (size_t)-2);
113
114	/* Incomplete character sequence (truncated double-byte). */
115	memset(buf, 0xcc, sizeof(buf));
116	buf[0] = 0xa3;
117	buf[1] = 0x00;
118	memset(&s, 0, sizeof(s));
119	assert(mbrlen(buf, 1, &s) == (size_t)-2);
120
121	/* Same as above, but complete. */
122	buf[1] = 0xc1;
123	memset(&s, 0, sizeof(s));
124	assert(mbrlen(buf, 2, &s) == 2);
125
126	printf("ok 1 - mbrlen()\n");
127
128	return (0);
129}
130