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      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);
     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 
     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 
     61 ATF_TP_ADD_TCS(tp)
     62 {
     63 
     64 	ATF_TP_ADD_TC(tp, wcsrtombs_advance);
     65 	return atf_no_error();
     66 }
     67