xref: /netbsd-src/tests/lib/libc/locale/t_wcsrtombs.c (revision 92bbbea0b3057a315d0df9b5a539a14d4c7d97ff)
1 /*	$NetBSD: t_wcsrtombs.c,v 1.1 2019/07/28 13:46:45 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2019 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __RCSID("$NetBSD: t_wcsrtombs.c,v 1.1 2019/07/28 13:46:45 christos Exp $");
31 
32 #include <atf-c.h>
33 #include <wchar.h>
34 #include <errno.h>
35 #include <string.h>
36 
37 ATF_TC(wcsrtombs_advance);
ATF_TC_HEAD(wcsrtombs_advance,tc)38 ATF_TC_HEAD(wcsrtombs_advance, tc)
39 {
40 	atf_tc_set_md_var(tc, "descr", "Test wcsrtombs(3) advances "
41 	    "the source pointer to the first illegal byte");
42 }
43 
ATF_TC_BODY(wcsrtombs_advance,tc)44 ATF_TC_BODY(wcsrtombs_advance, tc)
45 {
46 	wchar_t label[] = L"L" L"\u0403" L"bel";
47 	const wchar_t *wp = label;
48 	char lbuf[128];
49 	mbstate_t mbstate;
50 	size_t n;
51 
52 	memset(&mbstate, 0, sizeof(mbstate));
53 	memset(lbuf, 0, sizeof(lbuf));
54 	n = wcsrtombs(lbuf, &wp, sizeof(lbuf), &mbstate);
55 
56 	ATF_REQUIRE_EQ(n, (size_t)-1);
57 	ATF_REQUIRE_EQ(errno, EILSEQ);
58 	ATF_REQUIRE_EQ(wp - label, 1);
59 }
60 
ATF_TP_ADD_TCS(tp)61 ATF_TP_ADD_TCS(tp)
62 {
63 
64 	ATF_TP_ADD_TC(tp, wcsrtombs_advance);
65 	return atf_no_error();
66 }
67