freebsd-dev/tools/regression/lib/libc/locale/test-wctomb.c
Tim J. Robbins 3a8bdd99cb Reset internal conversion state after triggering conversion errors;
the state is undefined according to the standards, and our undefined
behaviour has changed.
2004-04-07 11:02:51 +00:00

111 lines
3.2 KiB
C

/*-
* Copyright (c) 2002-2004 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 wctomb(), 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 <assert.h>
#include <errno.h>
#include <limits.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int
main(int argc, char *argv[])
{
size_t len;
char buf[MB_LEN_MAX + 1];
/*
* C/POSIX locale.
*/
assert(MB_CUR_MAX == 1);
/* No shift states in C locale. */
assert(wctomb(NULL, L'\0') == 0);
/* Null wide character. */
memset(buf, 0xcc, sizeof(buf));
len = wctomb(buf, L'\0');
assert(len == 1);
assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
/* Latin letter A. */
memset(buf, 0xcc, sizeof(buf));
len = wctomb(buf, L'A');
assert(len == 1);
assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
/* Invalid code. */
assert(wctomb(buf, UCHAR_MAX + 1) == -1);
assert(wctomb(NULL, 0) == 0);
/*
* Japanese (EUC) locale.
*/
assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
assert(MB_CUR_MAX == 3);
/* No shift states in EUC encoding. */
assert(wctomb(NULL, L'\0') == 0);
/* Null wide character. */
memset(buf, 0xcc, sizeof(buf));
len = wctomb(buf, L'\0');
assert(len == 1);
assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
/* Latin letter A. */
memset(buf, 0xcc, sizeof(buf));
len = wctomb(buf, L'A');
assert(len == 1);
assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
/* Full width letter A. */
memset(buf, 0xcc, sizeof(buf));
len = wctomb(buf, 0xa3c1);
assert(len == 2);
assert((unsigned char)buf[0] == 0xa3 &&
(unsigned char)buf[1] == 0xc1 &&
(unsigned char)buf[2] == 0xcc);
printf("PASS wctomb()\n");
return (0);
}