xref: /freebsd/lib/libc/tests/locale/wcsrtombs_test.c (revision d6b92ffa)
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 <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 
46 #include <atf-c.h>
47 
48 ATF_TC_WITHOUT_HEAD(wcsrtombs_test);
49 ATF_TC_BODY(wcsrtombs_test, tc)
50 {
51 	wchar_t srcbuf[128];
52 	char dstbuf[128];
53 	wchar_t *src;
54 	mbstate_t s;
55 
56 	/* C/POSIX locale. */
57 
58 	/* Simple null terminated string. */
59 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
60 	wcscpy(srcbuf, L"hello");
61 	memset(dstbuf, 0xcc, sizeof(dstbuf));
62 	src = srcbuf;
63 	memset(&s, 0, sizeof(s));
64 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
65 	    &s) == 5);
66 	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
67 	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
68 	ATF_REQUIRE(src == NULL);
69 
70 	/* Not enough space in destination buffer. */
71 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
72 	wcscpy(srcbuf, L"hello");
73 	memset(dstbuf, 0xcc, sizeof(dstbuf));
74 	src = srcbuf;
75 	memset(&s, 0, sizeof(s));
76 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, 4,
77 	    &s) == 4);
78 	ATF_REQUIRE(memcmp(dstbuf, "hell", 4) == 0);
79 	ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
80 	ATF_REQUIRE(src == srcbuf + 4);
81 
82 	/* Null terminated string, internal dest. buffer */
83 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
84 	wcscpy(srcbuf, L"hello");
85 	src = srcbuf;
86 	memset(&s, 0, sizeof(s));
87 	ATF_REQUIRE(wcsrtombs(NULL, (const wchar_t **)&src, sizeof(dstbuf),
88 	    &s) == 5);
89 
90 	/* Null terminated string, internal state. */
91 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
92 	wcscpy(srcbuf, L"hello");
93 	memset(dstbuf, 0xcc, sizeof(dstbuf));
94 	src = srcbuf;
95 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
96 	    NULL) == 5);
97 	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
98 	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
99 	ATF_REQUIRE(src == NULL);
100 
101 	/* Null terminated string, internal state, internal dest. buffer. */
102 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
103 	wcscpy(srcbuf, L"hello");
104 	src = srcbuf;
105 	ATF_REQUIRE(wcsrtombs(NULL, (const wchar_t **)&src, 0, NULL) == 5);
106 
107 	/* Empty source buffer. */
108 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
109 	srcbuf[0] = L'\0';
110 	memset(dstbuf, 0xcc, sizeof(dstbuf));
111 	src = srcbuf;
112 	memset(&s, 0, sizeof(s));
113 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
114 	    &s) == 0);
115 	ATF_REQUIRE(dstbuf[0] == L'\0');
116 
117 	/* Zero length destination buffer. */
118 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
119 	wcscpy(srcbuf, L"hello");
120 	memset(dstbuf, 0xcc, sizeof(dstbuf));
121 	src = srcbuf;
122 	memset(&s, 0, sizeof(s));
123 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, 0, &s) == 0);
124 	ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
125 
126 	/*
127 	 * Japanese (EUC) locale.
128 	 */
129 
130 	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
131 	ATF_REQUIRE(MB_CUR_MAX > 1);
132 
133 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
134 	srcbuf[0] = 0xA3C1;
135 	srcbuf[1] = 0x0020;
136 	srcbuf[2] = 0x0042;
137 	srcbuf[3] = 0x0020;
138 	srcbuf[4] = 0xA3C3;
139 	srcbuf[5] = 0x0000;
140 	memset(dstbuf, 0xcc, sizeof(dstbuf));
141 	src = srcbuf;
142 	memset(&s, 0, sizeof(s));
143 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
144 	    &s) == 7);
145 	ATF_REQUIRE(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
146 	ATF_REQUIRE((unsigned char)dstbuf[8] == 0xcc);
147 	ATF_REQUIRE(src == NULL);
148 }
149 
150 ATF_TP_ADD_TCS(tp)
151 {
152 
153 	ATF_TP_ADD_TC(tp, wcsrtombs_test);
154 
155 	return (atf_no_error());
156 }
157