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 mbsrtowcs(), 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	char srcbuf[128];
51	wchar_t dstbuf[128];
52	char *src;
53	mbstate_t s;
54
55	/*
56	 * C/POSIX locale.
57	 */
58
59	printf("1..1\n");
60
61	/* Simple null terminated string. */
62	memset(srcbuf, 0xcc, sizeof(srcbuf));
63	strcpy(srcbuf, "hello");
64	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
65	src = srcbuf;
66	memset(&s, 0, sizeof(s));
67	assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
68	    sizeof(*dstbuf), &s) == 5);
69	assert(wcscmp(dstbuf, L"hello") == 0);
70	assert(dstbuf[6] == 0xcccc);
71	assert(src == NULL);
72
73	/* Not enough space in destination buffer. */
74	memset(srcbuf, 0xcc, sizeof(srcbuf));
75	strcpy(srcbuf, "hello");
76	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
77	src = srcbuf;
78	memset(&s, 0, sizeof(s));
79	assert(mbsrtowcs(dstbuf, (const char **)&src, 4, &s) == 4);
80	assert(wmemcmp(dstbuf, L"hell", 4) == 0);
81	assert(dstbuf[5] == 0xcccc);
82	assert(src == srcbuf + 4);
83
84	/* Null terminated string, internal dest. buffer */
85	memset(srcbuf, 0xcc, sizeof(srcbuf));
86	strcpy(srcbuf, "hello");
87	src = srcbuf;
88	memset(&s, 0, sizeof(s));
89	assert(mbsrtowcs(NULL, (const char **)&src, 0, &s) == 5);
90
91	/* Null terminated string, internal state. */
92	memset(srcbuf, 0xcc, sizeof(srcbuf));
93	strcpy(srcbuf, "hello");
94	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
95	src = srcbuf;
96	assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
97	    sizeof(*dstbuf), NULL) == 5);
98	assert(wcscmp(dstbuf, L"hello") == 0);
99	assert(dstbuf[6] == 0xcccc);
100	assert(src == NULL);
101
102	/* Null terminated string, internal state, internal dest. buffer. */
103	memset(srcbuf, 0xcc, sizeof(srcbuf));
104	strcpy(srcbuf, "hello");
105	src = srcbuf;
106	assert(mbsrtowcs(NULL, (const char **)&src, 0, NULL) == 5);
107
108	/* Empty source buffer. */
109	memset(srcbuf, 0xcc, sizeof(srcbuf));
110	srcbuf[0] = '\0';
111	src = srcbuf;
112	memset(&s, 0, sizeof(s));
113	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
114	assert(mbsrtowcs(dstbuf, (const char **)&src, 1, &s) == 0);
115	assert(dstbuf[0] == 0);
116	assert(dstbuf[1] == 0xcccc);
117	assert(src == NULL);
118
119	/* Zero length destination buffer. */
120	memset(srcbuf, 0xcc, sizeof(srcbuf));
121	strcpy(srcbuf, "hello");
122	src = srcbuf;
123	memset(&s, 0, sizeof(s));
124	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
125	assert(mbsrtowcs(dstbuf, (const char **)&src, 0, &s) == 0);
126	assert(dstbuf[0] == 0xcccc);
127	assert(src == srcbuf);
128
129	/*
130	 * Japanese (EUC) locale.
131	 */
132
133	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
134	assert(MB_CUR_MAX > 1);
135
136	memset(srcbuf, 0xcc, sizeof(srcbuf));
137	strcpy(srcbuf, "\xA3\xC1 B \xA3\xC3");
138	src = srcbuf;
139	memset(&s, 0, sizeof(s));
140	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
141	assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
142	    sizeof(*dstbuf), &s) == 5);
143	assert(dstbuf[0] == 0xA3C1 && dstbuf[1] == 0x20 && dstbuf[2] == 0x42 &&
144	    dstbuf[3] == 0x20 && dstbuf[4] == 0xA3C3 && dstbuf[5] == 0);
145	assert(src == NULL);
146
147	printf("ok 1 - mbsrtowcs()\n");
148
149	return (0);
150}
151