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 wcsrtombs(), 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	wchar_t srcbuf[128];
51	char dstbuf[128];
52	wchar_t *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	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
63	wcscpy(srcbuf, L"hello");
64	memset(dstbuf, 0xcc, sizeof(dstbuf));
65	src = srcbuf;
66	memset(&s, 0, sizeof(s));
67	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
68	    &s) == 5);
69	assert(strcmp(dstbuf, "hello") == 0);
70	assert((unsigned char)dstbuf[6] == 0xcc);
71	assert(src == NULL);
72
73	/* Not enough space in destination buffer. */
74	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
75	wcscpy(srcbuf, L"hello");
76	memset(dstbuf, 0xcc, sizeof(dstbuf));
77	src = srcbuf;
78	memset(&s, 0, sizeof(s));
79	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, 4,
80	    &s) == 4);
81	assert(memcmp(dstbuf, "hell", 4) == 0);
82	assert((unsigned char)dstbuf[5] == 0xcc);
83	assert(src == srcbuf + 4);
84
85	/* Null terminated string, internal dest. buffer */
86	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
87	wcscpy(srcbuf, L"hello");
88	src = srcbuf;
89	memset(&s, 0, sizeof(s));
90	assert(wcsrtombs(NULL, (const wchar_t **)&src, sizeof(dstbuf),
91	    &s) == 5);
92
93	/* Null terminated string, internal state. */
94	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
95	wcscpy(srcbuf, L"hello");
96	memset(dstbuf, 0xcc, sizeof(dstbuf));
97	src = srcbuf;
98	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
99	    NULL) == 5);
100	assert(strcmp(dstbuf, "hello") == 0);
101	assert((unsigned char)dstbuf[6] == 0xcc);
102	assert(src == NULL);
103
104	/* Null terminated string, internal state, internal dest. buffer. */
105	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
106	wcscpy(srcbuf, L"hello");
107	src = srcbuf;
108	assert(wcsrtombs(NULL, (const wchar_t **)&src, 0, NULL) == 5);
109
110	/* Empty source buffer. */
111	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
112	srcbuf[0] = L'\0';
113	memset(dstbuf, 0xcc, sizeof(dstbuf));
114	src = srcbuf;
115	memset(&s, 0, sizeof(s));
116	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
117	    &s) == 0);
118	assert(dstbuf[0] == L'\0');
119
120	/* Zero length destination buffer. */
121	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
122	wcscpy(srcbuf, L"hello");
123	memset(dstbuf, 0xcc, sizeof(dstbuf));
124	src = srcbuf;
125	memset(&s, 0, sizeof(s));
126	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, 0, &s) == 0);
127	assert((unsigned char)dstbuf[0] == 0xcc);
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	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
137	srcbuf[0] = 0xA3C1;
138	srcbuf[1] = 0x0020;
139	srcbuf[2] = 0x0042;
140	srcbuf[3] = 0x0020;
141	srcbuf[4] = 0xA3C3;
142	srcbuf[5] = 0x0000;
143	memset(dstbuf, 0xcc, sizeof(dstbuf));
144	src = srcbuf;
145	memset(&s, 0, sizeof(s));
146	assert(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
147	    &s) == 7);
148	assert(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
149	assert((unsigned char)dstbuf[8] == 0xcc);
150	assert(src == NULL);
151
152	printf("ok 1 - wcsrtombs()\n");
153
154	return (0);
155}
156