freebsd-dev/tools/regression/lib/libc/locale/test-mbsrtowcs.c

149 lines
4.7 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 mbsrtowcs(), 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>
#include <wchar.h>
int
main(int argc, char *argv[])
{
char srcbuf[128];
wchar_t dstbuf[128];
char *src;
mbstate_t s;
/*
* C/POSIX locale.
*/
/* Simple null terminated string. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
src = srcbuf;
memset(&s, 0, sizeof(s));
assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
sizeof(*dstbuf), &s) == 5);
assert(wcscmp(dstbuf, L"hello") == 0);
assert(dstbuf[6] == 0xcccc);
assert(src == NULL);
/* Not enough space in destination buffer. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
src = srcbuf;
memset(&s, 0, sizeof(s));
assert(mbsrtowcs(dstbuf, (const char **)&src, 4, &s) == 4);
assert(wmemcmp(dstbuf, L"hell", 4) == 0);
assert(dstbuf[5] == 0xcccc);
assert(src == srcbuf + 4);
/* Null terminated string, internal dest. buffer */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
src = srcbuf;
memset(&s, 0, sizeof(s));
assert(mbsrtowcs(NULL, (const char **)&src, 0, &s) == 5);
/* Null terminated string, internal state. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
src = srcbuf;
assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
sizeof(*dstbuf), NULL) == 5);
assert(wcscmp(dstbuf, L"hello") == 0);
assert(dstbuf[6] == 0xcccc);
assert(src == NULL);
/* Null terminated string, internal state, internal dest. buffer. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
src = srcbuf;
assert(mbsrtowcs(NULL, (const char **)&src, 0, NULL) == 5);
/* Empty source buffer. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
srcbuf[0] = '\0';
src = srcbuf;
memset(&s, 0, sizeof(s));
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
assert(mbsrtowcs(dstbuf, (const char **)&src, 1, &s) == 0);
assert(dstbuf[0] == 0);
assert(dstbuf[1] == 0xcccc);
assert(src == NULL);
/* Zero length destination buffer. */
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "hello");
src = srcbuf;
memset(&s, 0, sizeof(s));
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
assert(mbsrtowcs(dstbuf, (const char **)&src, 0, &s) == 0);
assert(dstbuf[0] == 0xcccc);
assert(src == srcbuf);
/*
* Japanese (EUC) locale.
*/
assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
assert(MB_CUR_MAX > 1);
memset(srcbuf, 0xcc, sizeof(srcbuf));
strcpy(srcbuf, "\xA3\xC1 B \xA3\xC3");
src = srcbuf;
memset(&s, 0, sizeof(s));
wmemset(dstbuf, 0xcccc, sizeof(dstbuf) / sizeof(*dstbuf));
assert(mbsrtowcs(dstbuf, (const char **)&src, sizeof(dstbuf) /
sizeof(*dstbuf), &s) == 5);
assert(dstbuf[0] == 0xA3C1 && dstbuf[1] == 0x20 && dstbuf[2] == 0x42 &&
dstbuf[3] == 0x20 && dstbuf[4] == 0xA3C3 && dstbuf[5] == 0);
assert(src == NULL);
printf("PASS mbsrtowcs()\n");
return (0);
}