freebsd-dev/lib/libc/tests/locale/wcstombs_test.c

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/*-
* 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 wcstombs(), 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(wcstombs_test);
ATF_TC_BODY(wcstombs_test, tc)
{
wchar_t srcbuf[128];
char dstbuf[128];
/* C/POSIX locale. */
/* Simple null terminated string. */
wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
wcscpy(srcbuf, L"hello");
memset(dstbuf, 0xcc, sizeof(dstbuf));
ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 5);
ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
/* Not enough space in destination buffer. */
wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
wcscpy(srcbuf, L"hello");
memset(dstbuf, 0xcc, sizeof(dstbuf));
ATF_REQUIRE(wcstombs(dstbuf, srcbuf, 4) == 4);
ATF_REQUIRE(memcmp(dstbuf, "hell", 4) == 0);
ATF_REQUIRE((unsigned char)dstbuf[5] == 0xcc);
/* Null terminated string, internal dest. buffer */
wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
wcscpy(srcbuf, L"hello");
ATF_REQUIRE(wcstombs(NULL, srcbuf, sizeof(dstbuf)) == 5);
/* Null terminated string, internal state. */
wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
wcscpy(srcbuf, L"hello");
memset(dstbuf, 0xcc, sizeof(dstbuf));
ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 5);
ATF_REQUIRE(strcmp(dstbuf, "hello") == 0);
ATF_REQUIRE((unsigned char)dstbuf[6] == 0xcc);
/* Null terminated string, internal state, internal dest. buffer. */
wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
wcscpy(srcbuf, L"hello");
ATF_REQUIRE(wcstombs(NULL, srcbuf, 0) == 5);
/* Empty source buffer. */
wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
srcbuf[0] = L'\0';
memset(dstbuf, 0xcc, sizeof(dstbuf));
ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 0);
ATF_REQUIRE(dstbuf[0] == L'\0');
/* Zero length destination buffer. */
wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
wcscpy(srcbuf, L"hello");
memset(dstbuf, 0xcc, sizeof(dstbuf));
ATF_REQUIRE(wcstombs(dstbuf, srcbuf, 0) == 0);
ATF_REQUIRE((unsigned char)dstbuf[0] == 0xcc);
/*
* Japanese (EUC) locale.
*/
ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
ATF_REQUIRE(MB_CUR_MAX > 1);
wmemset(srcbuf, 0xcc, sizeof(srcbuf) / sizeof(*srcbuf));
srcbuf[0] = 0xA3C1;
srcbuf[1] = 0x0020;
srcbuf[2] = 0x0042;
srcbuf[3] = 0x0020;
srcbuf[4] = 0xA3C3;
srcbuf[5] = 0x0000;
memset(dstbuf, 0xcc, sizeof(dstbuf));
ATF_REQUIRE(wcstombs(dstbuf, srcbuf, sizeof(dstbuf)) == 7);
ATF_REQUIRE(strcmp(dstbuf, "\xA3\xC1 B \xA3\xC3") == 0);
ATF_REQUIRE((unsigned char)dstbuf[8] == 0xcc);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, wcstombs_test);
return (atf_no_error());
}