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 mbstowcs(), 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
53	/*
54	 * C/POSIX locale.
55	 */
56
57	printf("1..1\n");
58
59	/* Simple null terminated string. */
60	memset(srcbuf, 0xcc, sizeof(srcbuf));
61	strcpy(srcbuf, "hello");
62	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
63	assert(mbstowcs(dstbuf, srcbuf, sizeof(dstbuf) / sizeof(*dstbuf)) == 5);
64	assert(wcscmp(dstbuf, L"hello") == 0);
65	assert(dstbuf[6] == 0xcccc);
66
67	/* Not enough space in destination buffer. */
68	memset(srcbuf, 0xcc, sizeof(srcbuf));
69	strcpy(srcbuf, "hello");
70	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
71	assert(mbstowcs(dstbuf, srcbuf, 4) == 4);
72	assert(wmemcmp(dstbuf, L"hell", 4) == 0);
73	assert(dstbuf[5] == 0xcccc);
74
75	/* Null terminated string, internal dest. buffer (XSI extension) */
76	memset(srcbuf, 0xcc, sizeof(srcbuf));
77	strcpy(srcbuf, "hello");
78	assert(mbstowcs(NULL, srcbuf, 0) == 5);
79
80	/* Empty source buffer. */
81	memset(srcbuf, 0xcc, sizeof(srcbuf));
82	srcbuf[0] = '\0';
83	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
84	assert(mbstowcs(dstbuf, srcbuf, 1) == 0);
85	assert(dstbuf[0] == 0);
86	assert(dstbuf[1] == 0xcccc);
87
88	/* Zero length destination buffer. */
89	memset(srcbuf, 0xcc, sizeof(srcbuf));
90	strcpy(srcbuf, "hello");
91	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
92	assert(mbstowcs(dstbuf, srcbuf, 0) == 0);
93	assert(dstbuf[0] == 0xcccc);
94
95	/*
96	 * Japanese (EUC) locale.
97	 */
98
99	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
100	assert(MB_CUR_MAX > 1);
101
102	memset(srcbuf, 0xcc, sizeof(srcbuf));
103	strcpy(srcbuf, "\xA3\xC1 B \xA3\xC3");
104	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
105	assert(mbstowcs(dstbuf, srcbuf, sizeof(dstbuf) / sizeof(*dstbuf)) == 5);
106	assert(dstbuf[0] == 0xA3C1 && dstbuf[1] == 0x20 && dstbuf[2] == 0x42 &&
107	    dstbuf[3] == 0x20 && dstbuf[4] == 0xA3C3 && dstbuf[5] == 0);
108
109	printf("ok 1 - mbstowcs()\n");
110
111	return (0);
112}
113