test-mbrtowc.c revision 105973 
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 mbrtowc(), 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 seting and
32 * ja_JP.eucJP. Other encodings are not tested.
33 */
34
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD: head/tools/regression/lib/libc/locale/test-mbrtowc.c 105973 2002-10-26 04:40:16Z tjr $");
37
38#include <assert.h>
39#include <errno.h>
40#include <limits.h>
41#include <locale.h>
42#include <stdlib.h>
43#include <string.h>
44#include <wchar.h>
45
46int
47main(int argc, char *argv[])
48{
49	mbstate_t s;
50	size_t len;
51	wchar_t wc;
52	char buf[MB_LEN_MAX + 1];
53
54	/*
55	 * C/POSIX locale.
56	 */
57
58	assert(MB_CUR_MAX == 1);
59
60	/* Null wide character, internal state. */
61	memset(buf, 0xcc, sizeof(buf));
62	buf[0] = 0;
63	assert(mbrtowc(&wc, buf, 1, NULL) == 0);
64	assert(wc == 0);
65
66	/* Null wide character. */
67	memset(&s, 0, sizeof(s));
68	assert(mbrtowc(&wc, buf, 1, &s) == 0);
69	assert(wc == 0);
70
71	/* Latin letter A, internal state. */
72	assert(mbrtowc(NULL, 0, 0, NULL) == 0);
73	buf[0] = 'A';
74	assert(mbrtowc(&wc, buf, 1, NULL) == 1);
75	assert(wc == L'A');
76
77	/* Latin letter A. */
78	memset(&s, 0, sizeof(s));
79	assert(mbrtowc(&wc, buf, 1, &s) == 1);
80	assert(wc == L'A');
81
82	/* Incomplete character sequence. */
83	wc = L'z';
84	memset(&s, 0, sizeof(s));
85	assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
86	assert(wc == L'z');
87
88	/*
89	 * Japanese (EUC) locale.
90	 */
91
92	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
93	assert(MB_CUR_MAX > 1);
94
95	/* Null wide character, internal state. */
96	assert(mbrtowc(NULL, 0, 0, NULL) == 0);
97	memset(buf, 0xcc, sizeof(buf));
98	buf[0] = 0;
99	assert(mbrtowc(&wc, buf, 1, NULL) == 0);
100	assert(wc == 0);
101
102	/* Null wide character. */
103	memset(&s, 0, sizeof(s));
104	assert(mbrtowc(&wc, buf, 1, &s) == 0);
105	assert(wc == 0);
106
107	/* Latin letter A, internal state. */
108	assert(mbrtowc(NULL, 0, 0, NULL) == 0);
109	buf[0] = 'A';
110	assert(mbrtowc(&wc, buf, 1, NULL) == 1);
111	assert(wc == L'A');
112
113	/* Latin letter A. */
114	memset(&s, 0, sizeof(s));
115	assert(mbrtowc(&wc, buf, 1, &s) == 1);
116	assert(wc == L'A');
117
118	/* Incomplete character sequence (zero length). */
119	wc = L'z';
120	memset(&s, 0, sizeof(s));
121	assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
122	assert(wc == L'z');
123
124	/* Incomplete character sequence (truncated double-byte). */
125	memset(buf, 0xcc, sizeof(buf));
126	buf[0] = 0xa3;
127	buf[1] = 0x00;
128	memset(&s, 0, sizeof(s));
129	wc = 0;
130	assert(mbrtowc(&wc, buf, 1, &s) == (size_t)-2);
131
132	/* Same as above, but complete. */
133	buf[1] = 0xc1;
134	memset(&s, 0, sizeof(s));
135	wc = 0;
136	assert(mbrtowc(&wc, buf, 2, &s) == 2);
137	assert(wc == 0xa3c1);
138
139	printf("PASS mbrtowc()\n");
140
141	return (0);
142}
143