xref: /freebsd/lib/libc/tests/locale/wcsnrtombs_test.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
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 #include <errno.h>
36 #include <limits.h>
37 #include <locale.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <wchar.h>
42 
43 #include <atf-c.h>
44 
45 ATF_TC_WITHOUT_HEAD(wcsnrtombs_test);
46 ATF_TC_BODY(wcsnrtombs_test, tc)
47 {
48 	wchar_t srcbuf[128];
49 	char dstbuf[128];
50 	wchar_t *src;
51 	mbstate_t s;
52 
53 	/* C/POSIX locale. */
54 
55 	/* Simple null terminated string. */
56 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
57 	wcscpy(srcbuf, L"hello");
58 	memset(dstbuf, 0xcc, sizeof(dstbuf));
59 	src = srcbuf;
60 	memset(&s, 0, sizeof(s));
61 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, sizeof(dstbuf),
62 	    &s) == 5);
63 	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
64 	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
65 	ATF_REQUIRE(src == NULL);
66 
67 	/* Simple null terminated string, stopping early. */
68 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
69 	wcscpy(srcbuf, L"hello");
70 	memset(dstbuf, 0xcc, sizeof(dstbuf));
71 	src = srcbuf;
72 	memset(&s, 0, sizeof(s));
73 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 4, sizeof(dstbuf),
74 	    &s) == 4);
75 	ATF_REQUIRE(memcmp(dstbuf, "hell", 4) == 0);
76 	ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
77 	ATF_REQUIRE(src == srcbuf + 4);
78 
79 	/* Not enough space in destination buffer. */
80 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
81 	wcscpy(srcbuf, L"hello");
82 	memset(dstbuf, 0xcc, sizeof(dstbuf));
83 	src = srcbuf;
84 	memset(&s, 0, sizeof(s));
85 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, 4,
86 	    &s) == 4);
87 	ATF_REQUIRE(memcmp(dstbuf, "hell", 4) == 0);
88 	ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
89 	ATF_REQUIRE(src == srcbuf + 4);
90 
91 	/* Null terminated string, internal dest. buffer */
92 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
93 	wcscpy(srcbuf, L"hello");
94 	src = srcbuf;
95 	memset(&s, 0, sizeof(s));
96 	ATF_REQUIRE(wcsnrtombs(NULL, (const wchar_t **)&src, 6, sizeof(dstbuf),
97 	    &s) == 5);
98 
99 	/* Null terminated string, internal dest. buffer, stopping early. */
100 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
101 	wcscpy(srcbuf, L"hello");
102 	src = srcbuf;
103 	memset(&s, 0, sizeof(s));
104 	ATF_REQUIRE(wcsnrtombs(NULL, (const wchar_t **)&src, 4, sizeof(dstbuf),
105 	    &s) == 4);
106 
107 	/* Null terminated string, internal state. */
108 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
109 	wcscpy(srcbuf, L"hello");
110 	memset(dstbuf, 0xcc, sizeof(dstbuf));
111 	src = srcbuf;
112 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, sizeof(dstbuf),
113 	    NULL) == 5);
114 	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
115 	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
116 	ATF_REQUIRE(src == NULL);
117 
118 	/* Null terminated string, internal state, internal dest. buffer. */
119 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
120 	wcscpy(srcbuf, L"hello");
121 	src = srcbuf;
122 	ATF_REQUIRE(wcsnrtombs(NULL, (const wchar_t **)&src, 6, 0, NULL) == 5);
123 
124 	/* Empty source buffer. */
125 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
126 	srcbuf[0] = L'\0';
127 	memset(dstbuf, 0xcc, sizeof(dstbuf));
128 	src = srcbuf;
129 	memset(&s, 0, sizeof(s));
130 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 1, sizeof(dstbuf),
131 	    &s) == 0);
132 	ATF_REQUIRE(dstbuf[0] == L'\0');
133 
134 	/* Zero length destination buffer. */
135 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
136 	wcscpy(srcbuf, L"hello");
137 	memset(dstbuf, 0xcc, sizeof(dstbuf));
138 	src = srcbuf;
139 	memset(&s, 0, sizeof(s));
140 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, 0, &s) == 0);
141 	ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
142 
143 	/* Zero length source buffer. */
144 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
145 	memset(dstbuf, 0xcc, sizeof(dstbuf));
146 	src = srcbuf;
147 	memset(&s, 0, sizeof(s));
148 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 0, sizeof(dstbuf),
149 	    &s) == 0);
150 	ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
151 	ATF_REQUIRE(src == srcbuf);
152 
153 	/*
154 	 * Japanese (EUC) locale.
155 	 */
156 
157 	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
158 	ATF_REQUIRE(MB_CUR_MAX > 1);
159 
160 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
161 	srcbuf[0] = 0xA3C1;
162 	srcbuf[1] = 0x0020;
163 	srcbuf[2] = 0x0042;
164 	srcbuf[3] = 0x0020;
165 	srcbuf[4] = 0xA3C3;
166 	srcbuf[5] = 0x0000;
167 	memset(dstbuf, 0xcc, sizeof(dstbuf));
168 	src = srcbuf;
169 	memset(&s, 0, sizeof(s));
170 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, sizeof(dstbuf),
171 	    &s) == 7);
172 	ATF_REQUIRE(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
173 	ATF_REQUIRE((unsigned char)dstbuf[8] == 0xcc);
174 	ATF_REQUIRE(src == NULL);
175 
176 	/* Stopping early. */
177 	memset(dstbuf, 0xcc, sizeof(dstbuf));
178 	src = srcbuf;
179 	memset(&s, 0, sizeof(s));
180 	ATF_REQUIRE(wcsnrtombs(dstbuf, (const wchar_t **)&src, 6, 6,
181 	    &s) == 5);
182 	ATF_REQUIRE(memcmp(dstbuf, "\xA3\xC1 B ", 5) == 0);
183 	ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
184 	ATF_REQUIRE(src == srcbuf + 4);
185 }
186 
187 ATF_TP_ADD_TCS(tp)
188 {
189 
190 	ATF_TP_ADD_TC(tp, wcsnrtombs_test);
191 
192 	return (atf_no_error());
193 }
194