xref: /freebsd/lib/libc/tests/locale/mbsrtowcs_test.c (revision a0ee8cc636cd5c2374ec44ca71226564ea0bca95)
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 mbsrtowcs(), 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(mbsrtowcs_test);
49 ATF_TC_BODY(mbsrtowcs_test, tc)
50 {
51 	char srcbuf[128];
52 	wchar_t dstbuf[128];
53 	char *src;
54 	mbstate_t s;
55 
56 	/*
57 	 * C/POSIX locale.
58 	 */
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 	ATF_REQUIRE(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
67 	    sizeof(*dstbuf), &s) == 5);
68 	ATF_REQUIRE(wcscmp(dstbuf, L"hello") == 0);
69 	ATF_REQUIRE(dstbuf[6] == 0xcccc);
70 	ATF_REQUIRE(src == NULL);
71 
72 	/* Not enough space in destination buffer. */
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 	ATF_REQUIRE(mbsrtowcs(dstbuf, (const char **)&src, 4, &s) == 4);
79 	ATF_REQUIRE(wmemcmp(dstbuf, L"hell", 4) == 0);
80 	ATF_REQUIRE(dstbuf[5] == 0xcccc);
81 	ATF_REQUIRE(src == srcbuf + 4);
82 
83 	/* Null terminated string, internal dest. buffer */
84 	memset(srcbuf, 0xcc, sizeof(srcbuf));
85 	strcpy(srcbuf, "hello");
86 	src = srcbuf;
87 	memset(&s, 0, sizeof(s));
88 	ATF_REQUIRE(mbsrtowcs(NULL, (const char **)&src, 0, &s) == 5);
89 
90 	/* Null terminated string, internal state. */
91 	memset(srcbuf, 0xcc, sizeof(srcbuf));
92 	strcpy(srcbuf, "hello");
93 	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
94 	src = srcbuf;
95 	ATF_REQUIRE(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
96 	    sizeof(*dstbuf), NULL) == 5);
97 	ATF_REQUIRE(wcscmp(dstbuf, L"hello") == 0);
98 	ATF_REQUIRE(dstbuf[6] == 0xcccc);
99 	ATF_REQUIRE(src == NULL);
100 
101 	/* Null terminated string, internal state, internal dest. buffer. */
102 	memset(srcbuf, 0xcc, sizeof(srcbuf));
103 	strcpy(srcbuf, "hello");
104 	src = srcbuf;
105 	ATF_REQUIRE(mbsrtowcs(NULL, (const char **)&src, 0, NULL) == 5);
106 
107 	/* Empty source buffer. */
108 	memset(srcbuf, 0xcc, sizeof(srcbuf));
109 	srcbuf[0] = '\0';
110 	src = srcbuf;
111 	memset(&s, 0, sizeof(s));
112 	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
113 	ATF_REQUIRE(mbsrtowcs(dstbuf, (const char **)&src, 1, &s) == 0);
114 	ATF_REQUIRE(dstbuf[0] == 0);
115 	ATF_REQUIRE(dstbuf[1] == 0xcccc);
116 	ATF_REQUIRE(src == NULL);
117 
118 	/* Zero length destination buffer. */
119 	memset(srcbuf, 0xcc, sizeof(srcbuf));
120 	strcpy(srcbuf, "hello");
121 	src = srcbuf;
122 	memset(&s, 0, sizeof(s));
123 	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
124 	ATF_REQUIRE(mbsrtowcs(dstbuf, (const char **)&src, 0, &s) == 0);
125 	ATF_REQUIRE(dstbuf[0] == 0xcccc);
126 	ATF_REQUIRE(src == srcbuf);
127 
128 	/*
129 	 * Japanese (EUC) locale.
130 	 */
131 
132 	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
133 	ATF_REQUIRE(MB_CUR_MAX > 1);
134 
135 	memset(srcbuf, 0xcc, sizeof(srcbuf));
136 	strcpy(srcbuf, "\xA3\xC1 B \xA3\xC3");
137 	src = srcbuf;
138 	memset(&s, 0, sizeof(s));
139 	wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
140 	ATF_REQUIRE(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
141 	    sizeof(*dstbuf), &s) == 5);
142 	ATF_REQUIRE(dstbuf[0] == 0xA3C1 && dstbuf[1] == 0x20 && dstbuf[2] == 0x42 &&
143 	    dstbuf[3] == 0x20 && dstbuf[4] == 0xA3C3 && dstbuf[5] == 0);
144 	ATF_REQUIRE(src == NULL);
145 }
146 
147 ATF_TP_ADD_TCS(tp)
148 {
149 
150 	ATF_TP_ADD_TC(tp, mbsrtowcs_test);
151 
152 	return (atf_no_error());
153 }
154