xref: /freebsd/lib/libc/tests/locale/wcsnrtombs_test.c (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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 wcsnrtombs().
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 <errno.h>
38 #include <limits.h>
39 #include <locale.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <wchar.h>
44 
45 #include <atf-c.h>
46 
47 ATF_TC_WITHOUT_HEAD(wcsnrtombs_test);
48 ATF_TC_BODY(wcsnrtombs_test, tc)
49 {
50 	wchar_t srcbuf[128];
51 	char dstbuf[128];
52 	wchar_t *src;
53 	mbstate_t s;
54 
55 	/* C/POSIX locale. */
56 
57 	/* Simple null terminated string. */
58 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
59 	wcscpy(srcbuf, L"hello");
60 	memset(dstbuf, 0xcc, sizeof(dstbuf));
61 	src = srcbuf;
62 	memset(&s, 0, sizeof(s));
63 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, sizeof(dstbuf),
64 	    &s) == 5);
65 	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
66 	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
67 	ATF_REQUIRE(src == NULL);
68 
69 	/* Simple null terminated string, stopping early. */
70 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
71 	wcscpy(srcbuf, L"hello");
72 	memset(dstbuf, 0xcc, sizeof(dstbuf));
73 	src = srcbuf;
74 	memset(&s, 0, sizeof(s));
75 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 4, sizeof(dstbuf),
76 	    &s) == 4);
77 	ATF_REQUIRE(memcmp(dstbuf, "hell", 4) == 0);
78 	ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
79 	ATF_REQUIRE(src == srcbuf + 4);
80 
81 	/* Not enough space in destination buffer. */
82 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
83 	wcscpy(srcbuf, L"hello");
84 	memset(dstbuf, 0xcc, sizeof(dstbuf));
85 	src = srcbuf;
86 	memset(&s, 0, sizeof(s));
87 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, 4,
88 	    &s) == 4);
89 	ATF_REQUIRE(memcmp(dstbuf, "hell", 4) == 0);
90 	ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
91 	ATF_REQUIRE(src == srcbuf + 4);
92 
93 	/* Null terminated string, internal dest. buffer */
94 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
95 	wcscpy(srcbuf, L"hello");
96 	src = srcbuf;
97 	memset(&s, 0, sizeof(s));
98 	ATF_REQUIRE(wcsnrtombs(NULL, (const wchar_t **)&src, 6, sizeof(dstbuf),
99 	    &s) == 5);
100 
101 	/* Null terminated string, internal dest. buffer, stopping early. */
102 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
103 	wcscpy(srcbuf, L"hello");
104 	src = srcbuf;
105 	memset(&s, 0, sizeof(s));
106 	ATF_REQUIRE(wcsnrtombs(NULL, (const wchar_t **)&src, 4, sizeof(dstbuf),
107 	    &s) == 4);
108 
109 	/* Null terminated string, internal state. */
110 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
111 	wcscpy(srcbuf, L"hello");
112 	memset(dstbuf, 0xcc, sizeof(dstbuf));
113 	src = srcbuf;
114 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, sizeof(dstbuf),
115 	    NULL) == 5);
116 	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
117 	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
118 	ATF_REQUIRE(src == NULL);
119 
120 	/* Null terminated string, internal state, internal dest. buffer. */
121 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
122 	wcscpy(srcbuf, L"hello");
123 	src = srcbuf;
124 	ATF_REQUIRE(wcsnrtombs(NULL, (const wchar_t **)&src, 6, 0, NULL) == 5);
125 
126 	/* Empty source buffer. */
127 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
128 	srcbuf[0] = L'\0';
129 	memset(dstbuf, 0xcc, sizeof(dstbuf));
130 	src = srcbuf;
131 	memset(&s, 0, sizeof(s));
132 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 1, sizeof(dstbuf),
133 	    &s) == 0);
134 	ATF_REQUIRE(dstbuf[0] == L'\0');
135 
136 	/* Zero length destination buffer. */
137 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
138 	wcscpy(srcbuf, L"hello");
139 	memset(dstbuf, 0xcc, sizeof(dstbuf));
140 	src = srcbuf;
141 	memset(&s, 0, sizeof(s));
142 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, 0, &s) == 0);
143 	ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
144 
145 	/* Zero length source buffer. */
146 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
147 	memset(dstbuf, 0xcc, sizeof(dstbuf));
148 	src = srcbuf;
149 	memset(&s, 0, sizeof(s));
150 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 0, sizeof(dstbuf),
151 	    &s) == 0);
152 	ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
153 	ATF_REQUIRE(src == srcbuf);
154 
155 	/*
156 	 * Japanese (EUC) locale.
157 	 */
158 
159 	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
160 	ATF_REQUIRE(MB_CUR_MAX > 1);
161 
162 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
163 	srcbuf[0] = 0xA3C1;
164 	srcbuf[1] = 0x0020;
165 	srcbuf[2] = 0x0042;
166 	srcbuf[3] = 0x0020;
167 	srcbuf[4] = 0xA3C3;
168 	srcbuf[5] = 0x0000;
169 	memset(dstbuf, 0xcc, sizeof(dstbuf));
170 	src = srcbuf;
171 	memset(&s, 0, sizeof(s));
172 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, sizeof(dstbuf),
173 	    &s) == 7);
174 	ATF_REQUIRE(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
175 	ATF_REQUIRE((unsigned char)dstbuf[8] == 0xcc);
176 	ATF_REQUIRE(src == NULL);
177 
178 	/* Stopping early. */
179 	memset(dstbuf, 0xcc, sizeof(dstbuf));
180 	src = srcbuf;
181 	memset(&s, 0, sizeof(s));
182 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, 6,
183 	    &s) == 5);
184 	ATF_REQUIRE(memcmp(dstbuf, "\xA3\xC1 B ", 5) == 0);
185 	ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
186 	ATF_REQUIRE(src == srcbuf + 4);
187 }
188 
189 ATF_TP_ADD_TCS(tp)
190 {
191 
192 	ATF_TP_ADD_TC(tp, wcsnrtombs_test);
193 
194 	return (atf_no_error());
195 }
196