2 * Copyright (c) 2002 Tim J. Robbins
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
28 * Test program for mbrtowc(), as specified by IEEE Std. 1003.1-2001 and
31 * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
32 * "ja_JP.eucJP". Other encodings are not tested.
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
48 main(int argc, char *argv[])
53 char buf[MB_LEN_MAX + 1];
61 assert(MB_CUR_MAX == 1);
63 /* Null wide character, internal state. */
64 memset(buf, 0xcc, sizeof(buf));
66 assert(mbrtowc(&wc, buf, 1, NULL) == 0);
69 /* Null wide character. */
70 memset(&s, 0, sizeof(s));
71 assert(mbrtowc(&wc, buf, 1, &s) == 0);
74 /* Latin letter A, internal state. */
75 assert(mbrtowc(NULL, 0, 0, NULL) == 0);
77 assert(mbrtowc(&wc, buf, 1, NULL) == 1);
81 memset(&s, 0, sizeof(s));
82 assert(mbrtowc(&wc, buf, 1, &s) == 1);
85 /* Incomplete character sequence. */
87 memset(&s, 0, sizeof(s));
88 assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
91 /* Check that mbrtowc() doesn't access the buffer when n == 0. */
93 memset(&s, 0, sizeof(s));
95 assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
99 * Japanese (EUC) locale.
102 assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
103 assert(MB_CUR_MAX > 1);
105 /* Null wide character, internal state. */
106 assert(mbrtowc(NULL, 0, 0, NULL) == 0);
107 memset(buf, 0xcc, sizeof(buf));
109 assert(mbrtowc(&wc, buf, 1, NULL) == 0);
112 /* Null wide character. */
113 memset(&s, 0, sizeof(s));
114 assert(mbrtowc(&wc, buf, 1, &s) == 0);
117 /* Latin letter A, internal state. */
118 assert(mbrtowc(NULL, 0, 0, NULL) == 0);
120 assert(mbrtowc(&wc, buf, 1, NULL) == 1);
123 /* Latin letter A. */
124 memset(&s, 0, sizeof(s));
125 assert(mbrtowc(&wc, buf, 1, &s) == 1);
128 /* Incomplete character sequence (zero length). */
130 memset(&s, 0, sizeof(s));
131 assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
134 /* Incomplete character sequence (truncated double-byte). */
135 memset(buf, 0xcc, sizeof(buf));
138 memset(&s, 0, sizeof(s));
140 assert(mbrtowc(&wc, buf, 1, &s) == (size_t)-2);
142 /* Same as above, but complete. */
144 memset(&s, 0, sizeof(s));
146 assert(mbrtowc(&wc, buf, 2, &s) == 2);
147 assert(wc == 0xa3c1);
149 /* Test restarting behaviour. */
150 memset(buf, 0xcc, sizeof(buf));
152 memset(&s, 0, sizeof(s));
154 assert(mbrtowc(&wc, buf, 1, &s) == (size_t)-2);
157 assert(mbrtowc(&wc, buf, 1, &s) == 1);
158 assert(wc == 0xa3c1);
160 printf("ok 1 - mbrtowc()\n");