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 wcstombs(), 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
53	/*
54	 * C/POSIX locale.
55	 */
56
57	printf("1..1\n");
58
59	/* Simple null terminated string. */
60	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
61	wcscpy(srcbuf, L"hello");
62	memset(dstbuf, 0xcc, sizeof(dstbuf));
63	assert(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 5);
64	assert(strcmp(dstbuf, "hello") == 0);
65	assert((unsigned char)dstbuf[6] == 0xcc);
66
67	/* Not enough space in destination buffer. */
68	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
69	wcscpy(srcbuf, L"hello");
70	memset(dstbuf, 0xcc, sizeof(dstbuf));
71	assert(wcstombs(dstbuf, srcbuf, 4) == 4);
72	assert(memcmp(dstbuf, "hell", 4) == 0);
73	assert((unsigned char)dstbuf[5] == 0xcc);
74
75	/* Null terminated string, internal dest. buffer */
76	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
77	wcscpy(srcbuf, L"hello");
78	assert(wcstombs(NULL, srcbuf, sizeof(dstbuf)) == 5);
79
80	/* Null terminated string, internal state. */
81	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
82	wcscpy(srcbuf, L"hello");
83	memset(dstbuf, 0xcc, sizeof(dstbuf));
84	assert(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 5);
85	assert(strcmp(dstbuf, "hello") == 0);
86	assert((unsigned char)dstbuf[6] == 0xcc);
87
88	/* Null terminated string, internal state, internal dest. buffer. */
89	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
90	wcscpy(srcbuf, L"hello");
91	assert(wcstombs(NULL, srcbuf, 0) == 5);
92
93	/* Empty source buffer. */
94	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
95	srcbuf[0] = L'\0';
96	memset(dstbuf, 0xcc, sizeof(dstbuf));
97	assert(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 0);
98	assert(dstbuf[0] == L'\0');
99
100	/* Zero length destination buffer. */
101	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
102	wcscpy(srcbuf, L"hello");
103	memset(dstbuf, 0xcc, sizeof(dstbuf));
104	assert(wcstombs(dstbuf, srcbuf, 0) == 0);
105	assert((unsigned char)dstbuf[0] == 0xcc);
106
107	/*
108	 * Japanese (EUC) locale.
109	 */
110
111	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
112	assert(MB_CUR_MAX > 1);
113
114	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
115	srcbuf[0] = 0xA3C1;
116	srcbuf[1] = 0x0020;
117	srcbuf[2] = 0x0042;
118	srcbuf[3] = 0x0020;
119	srcbuf[4] = 0xA3C3;
120	srcbuf[5] = 0x0000;
121	memset(dstbuf, 0xcc, sizeof(dstbuf));
122	assert(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 7);
123	assert(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
124	assert((unsigned char)dstbuf[8] == 0xcc);
125
126	printf("ok 1 - wcstombs()\n");
127
128	return (0);
129}
130