1/*-
2 * Copyright (c) 2002-2004 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 mbsnrtowcs().
29 *
30 * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
31 * "ja_JP.eucJP". Other encodings are not tested.
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD$");
36
37#include <assert.h>
38#include <errno.h>
39#include <limits.h>
40#include <locale.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44#include <wchar.h>
45
46int
47main(int argc, char *argv[])
48{
49	char srcbuf[128];
50	wchar_t dstbuf[128];
51	char *src;
52	mbstate_t s;
53
54	/*
55	 * C/POSIX locale.
56	 */
57
58	printf("1..1\n");
59
60	/* Simple null terminated string. */
61	memset(srcbuf, 0xcc, sizeof(srcbuf));
62	strcpy(srcbuf, "hello");
63	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
64	src = srcbuf;
65	memset(&s, 0, sizeof(s));
66	assert(mbsnrtowcs(dstbuf, (const char **)&src, 6, sizeof(dstbuf) /
67	    sizeof(*dstbuf), &s) == 5);
68	assert(wcscmp(dstbuf, L"hello") == 0);
69	assert(dstbuf[6] == 0xcccc);
70	assert(src == NULL);
71
72	/* Simple null terminated string, stopping early. */
73	memset(srcbuf, 0xcc, sizeof(srcbuf));
74	strcpy(srcbuf, "hello");
75	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
76	src = srcbuf;
77	memset(&s, 0, sizeof(s));
78	assert(mbsnrtowcs(dstbuf, (const char **)&src, 4, sizeof(dstbuf) /
79	    sizeof(*dstbuf), &s) == 4);
80	assert(wmemcmp(dstbuf, L"hell", 4) == 0);
81	assert(dstbuf[5] == 0xcccc);
82	assert(src == srcbuf + 4);
83
84	/* Not enough space in destination buffer. */
85	memset(srcbuf, 0xcc, sizeof(srcbuf));
86	strcpy(srcbuf, "hello");
87	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
88	src = srcbuf;
89	memset(&s, 0, sizeof(s));
90	assert(mbsnrtowcs(dstbuf, (const char **)&src, 6, 4, &s) == 4);
91	assert(wmemcmp(dstbuf, L"hell", 4) == 0);
92	assert(dstbuf[5] == 0xcccc);
93	assert(src == srcbuf + 4);
94
95	/* Null terminated string, internal dest. buffer */
96	memset(srcbuf, 0xcc, sizeof(srcbuf));
97	strcpy(srcbuf, "hello");
98	src = srcbuf;
99	memset(&s, 0, sizeof(s));
100	assert(mbsnrtowcs(NULL, (const char **)&src, 6, 0, &s) == 5);
101
102	/* Null terminated string, internal dest. buffer, stopping early */
103	memset(srcbuf, 0xcc, sizeof(srcbuf));
104	strcpy(srcbuf, "hello");
105	src = srcbuf;
106	memset(&s, 0, sizeof(s));
107	assert(mbsnrtowcs(NULL, (const char **)&src, 4, 0, &s) == 4);
108
109	/* Null terminated string, internal state. */
110	memset(srcbuf, 0xcc, sizeof(srcbuf));
111	strcpy(srcbuf, "hello");
112	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
113	src = srcbuf;
114	assert(mbsnrtowcs(dstbuf, (const char **)&src, 6, sizeof(dstbuf) /
115	    sizeof(*dstbuf), NULL) == 5);
116	assert(wcscmp(dstbuf, L"hello") == 0);
117	assert(dstbuf[6] == 0xcccc);
118	assert(src == NULL);
119
120	/* Null terminated string, internal state, internal dest. buffer. */
121	memset(srcbuf, 0xcc, sizeof(srcbuf));
122	strcpy(srcbuf, "hello");
123	src = srcbuf;
124	assert(mbsnrtowcs(NULL, (const char **)&src, 6, 0, NULL) == 5);
125
126	/* Empty source buffer. */
127	memset(srcbuf, 0xcc, sizeof(srcbuf));
128	srcbuf[0] = '\0';
129	src = srcbuf;
130	memset(&s, 0, sizeof(s));
131	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
132	assert(mbsnrtowcs(dstbuf, (const char **)&src, 1, 1, &s) == 0);
133	assert(dstbuf[0] == 0);
134	assert(dstbuf[1] == 0xcccc);
135	assert(src == NULL);
136
137	/* Zero length destination buffer. */
138	memset(srcbuf, 0xcc, sizeof(srcbuf));
139	strcpy(srcbuf, "hello");
140	src = srcbuf;
141	memset(&s, 0, sizeof(s));
142	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
143	assert(mbsnrtowcs(dstbuf, (const char **)&src, 1, 0, &s) == 0);
144	assert(dstbuf[0] == 0xcccc);
145	assert(src == srcbuf);
146
147	/* Zero length source buffer. */
148	memset(srcbuf, 0xcc, sizeof(srcbuf));
149	src = srcbuf;
150	memset(&s, 0, sizeof(s));
151	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
152	assert(mbsnrtowcs(dstbuf, (const char **)&src, 0, 1, &s) == 0);
153	assert(dstbuf[0] == 0xcccc);
154	assert(src == srcbuf);
155
156	/*
157	 * Japanese (EUC) locale.
158	 */
159
160	assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
161	assert(MB_CUR_MAX > 1);
162
163	memset(srcbuf, 0xcc, sizeof(srcbuf));
164	strcpy(srcbuf, "\xA3\xC1 B \xA3\xC3");
165	src = srcbuf;
166	memset(&s, 0, sizeof(s));
167	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
168	assert(mbsnrtowcs(dstbuf, (const char **)&src, 8, sizeof(dstbuf) /
169	    sizeof(*dstbuf), &s) == 5);
170	assert(dstbuf[0] == 0xA3C1 && dstbuf[1] == 0x20 && dstbuf[2] == 0x42 &&
171	    dstbuf[3] == 0x20 && dstbuf[4] == 0xA3C3 && dstbuf[5] == 0);
172	assert(src == NULL);
173
174	/* Partial character. */
175	memset(srcbuf, 0xcc, sizeof(srcbuf));
176	strcpy(srcbuf, "\xA3\xC1 B \xA3\xC3");
177	src = srcbuf;
178	memset(&s, 0, sizeof(s));
179	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
180	assert(mbsnrtowcs(dstbuf, (const char **)&src, 6, sizeof(dstbuf) /
181	    sizeof(*dstbuf), &s) == 4);
182	assert(src == srcbuf + 6);
183	assert(!mbsinit(&s));
184	assert(mbsnrtowcs(dstbuf, (const char **)&src, 1, sizeof(dstbuf) /
185	    sizeof(*dstbuf), &s) == 1);
186	assert(src == srcbuf + 7);
187	assert(mbsnrtowcs(dstbuf, (const char **)&src, 1, sizeof(dstbuf) /
188	    sizeof(*dstbuf), &s) == 0);
189	assert(src == NULL);
190
191	printf("ok 1 - mbsnrtowcs()\n");
192
193	return (0);
194}
195