xref: /freebsd/lib/libc/tests/locale/wcsrtombs_test.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
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 <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(wcsrtombs_test);
46 ATF_TC_BODY(wcsrtombs_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(wcsrtombs(dstbuf, (const wchar_t **)&src, 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 	/* 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 	src = srcbuf;
72 	memset(&s, 0, sizeof(s));
73 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, 4,
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 	/* Null terminated string, internal dest. buffer */
80 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
81 	wcscpy(srcbuf, L"hello");
82 	src = srcbuf;
83 	memset(&s, 0, sizeof(s));
84 	ATF_REQUIRE(wcsrtombs(NULL, (const wchar_t **)&src, sizeof(dstbuf),
85 	    &s) == 5);
86 
87 	/* Null terminated string, internal state. */
88 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
89 	wcscpy(srcbuf, L"hello");
90 	memset(dstbuf, 0xcc, sizeof(dstbuf));
91 	src = srcbuf;
92 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
93 	    NULL) == 5);
94 	ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
95 	ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
96 	ATF_REQUIRE(src == NULL);
97 
98 	/* Null terminated string, internal state, internal dest. buffer. */
99 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
100 	wcscpy(srcbuf, L"hello");
101 	src = srcbuf;
102 	ATF_REQUIRE(wcsrtombs(NULL, (const wchar_t **)&src, 0, NULL) == 5);
103 
104 	/* Empty source buffer. */
105 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
106 	srcbuf[0] = L'\0';
107 	memset(dstbuf, 0xcc, sizeof(dstbuf));
108 	src = srcbuf;
109 	memset(&s, 0, sizeof(s));
110 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
111 	    &s) == 0);
112 	ATF_REQUIRE(dstbuf[0] == L'\0');
113 
114 	/* Zero length destination buffer. */
115 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
116 	wcscpy(srcbuf, L"hello");
117 	memset(dstbuf, 0xcc, sizeof(dstbuf));
118 	src = srcbuf;
119 	memset(&s, 0, sizeof(s));
120 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, 0, &s) == 0);
121 	ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
122 
123 	/*
124 	 * Japanese (EUC) locale.
125 	 */
126 
127 	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
128 	ATF_REQUIRE(MB_CUR_MAX > 1);
129 
130 	wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
131 	srcbuf[0] = 0xA3C1;
132 	srcbuf[1] = 0x0020;
133 	srcbuf[2] = 0x0042;
134 	srcbuf[3] = 0x0020;
135 	srcbuf[4] = 0xA3C3;
136 	srcbuf[5] = 0x0000;
137 	memset(dstbuf, 0xcc, sizeof(dstbuf));
138 	src = srcbuf;
139 	memset(&s, 0, sizeof(s));
140 	ATF_REQUIRE(wcsrtombs(dstbuf, (const wchar_t **)&src, sizeof(dstbuf),
141 	    &s) == 7);
142 	ATF_REQUIRE(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
143 	ATF_REQUIRE((unsigned char)dstbuf[8] == 0xcc);
144 	ATF_REQUIRE(src == NULL);
145 }
146 
147 ATF_TP_ADD_TCS(tp)
148 {
149 
150 	ATF_TP_ADD_TC(tp, wcsrtombs_test);
151 
152 	return (atf_no_error());
153 }
154