freebsd-dev/lib/libc/tests/locale/mbstowcs_test.c
Enji Cooper 9da7d79f25 Integrate tools/regression/lib/libc/locale into the FreeBSD test suite
as lib/libc/tests/locale

MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division
2015-11-08 02:06:17 +00:00

112 lines
3.7 KiB
C

/*-
* Copyright (c) 2002 Tim J. Robbins
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Test program for mbstowcs(), as specified by IEEE Std. 1003.1-2001 and
* ISO/IEC 9899:1999.
*
* The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
* "ja_JP.eucJP". Other encodings are not tested.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <errno.h>
#include <limits.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include <atf-c.h>
ATF_TC_WITHOUT_HEAD(mbstowcs_test);
ATF_TC_BODY(mbstowcs_test, tc)
{
char srcbuf[128];
wchar_t dstbuf[128];
/* C/POSIX locale. */
/* Simple null terminated string. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
ATF_REQUIRE(mbstowcs(dstbuf, srcbuf, sizeof(dstbuf) / sizeof(*dstbuf)) == 5);
ATF_REQUIRE(wcscmp(dstbuf, L"hello") == 0);
ATF_REQUIRE(dstbuf[6] == 0xcccc);
/* Not enough space in destination buffer. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
ATF_REQUIRE(mbstowcs(dstbuf, srcbuf, 4) == 4);
ATF_REQUIRE(wmemcmp(dstbuf, L"hell", 4) == 0);
ATF_REQUIRE(dstbuf[5] == 0xcccc);
/* Null terminated string, internal dest. buffer (XSI extension) */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
ATF_REQUIRE(mbstowcs(NULL, srcbuf, 0) == 5);
/* Empty source buffer. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
srcbuf[0] = '\0';
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
ATF_REQUIRE(mbstowcs(dstbuf, srcbuf, 1) == 0);
ATF_REQUIRE(dstbuf[0] == 0);
ATF_REQUIRE(dstbuf[1] == 0xcccc);
/* Zero length destination buffer. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
ATF_REQUIRE(mbstowcs(dstbuf, srcbuf, 0) == 0);
ATF_REQUIRE(dstbuf[0] == 0xcccc);
/* Japanese (EUC) locale. */
ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
ATF_REQUIRE(MB_CUR_MAX > 1);
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "\xA3\xC1 B \xA3\xC3");
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
ATF_REQUIRE(mbstowcs(dstbuf, srcbuf, sizeof(dstbuf) / sizeof(*dstbuf)) == 5);
ATF_REQUIRE(dstbuf[0] == 0xA3C1 && dstbuf[1] == 0x20 && dstbuf[2] == 0x42 &&
dstbuf[3] == 0x20 && dstbuf[4] == 0xA3C3 && dstbuf[5] == 0);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, mbstowcs_test);
return (atf_no_error());
}