7d5a41c359
the value of the supplied wide character is ignored and L'\0' is used instead. Remove incorrect comments about "internal buffer" since wcrtomb() does not have one (wctomb() does).
133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
/*-
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* Copyright (c) 2002 Tim J. Robbins
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Test program for wcrtomb(), as specified by IEEE Std. 1003.1-2001 and
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* ISO/IEC 9899:1999.
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*
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* The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
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* "ja_JP.eucJP". Other encodings are not tested.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <assert.h>
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#include <errno.h>
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#include <limits.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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int
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main(int argc, char *argv[])
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{
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mbstate_t s;
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size_t len;
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char buf[MB_LEN_MAX + 1];
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/*
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* C/POSIX locale.
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*/
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assert(MB_CUR_MAX == 1);
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/*
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* If the buffer argument is NULL, wc is implicitly L'\0',
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* wcrtomb() resets its internal state.
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*/
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assert(wcrtomb(NULL, L'\0', NULL) == 1);
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assert(wcrtomb(NULL, UCHAR_MAX + 1, NULL) == 1);
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/* Null wide character. */
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memset(&s, 0, sizeof(s));
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memset(buf, 0xcc, sizeof(buf));
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len = wcrtomb(buf, L'\0', &s);
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assert(len == 1);
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assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
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/* Latin letter A, internal state. */
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assert(wcrtomb(NULL, L'\0', NULL) == 1);
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assert(wcrtomb(NULL, L'A', NULL) == 1);
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/* Latin letter A. */
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memset(&s, 0, sizeof(s));
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memset(buf, 0xcc, sizeof(buf));
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len = wcrtomb(buf, L'A', &s);
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assert(len == 1);
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assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
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/* Invalid code. */
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assert(wcrtomb(buf, UCHAR_MAX + 1, NULL) == (size_t)-1);
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assert(errno == EILSEQ);
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/*
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* Japanese (EUC) locale.
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*/
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assert(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
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assert(MB_CUR_MAX == 3);
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/*
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* If the buffer argument is NULL, wc is implicitly L'\0',
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* wcrtomb() resets its internal state.
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*/
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assert(wcrtomb(NULL, L'\0', NULL) == 1);
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/* Null wide character. */
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memset(&s, 0, sizeof(s));
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memset(buf, 0xcc, sizeof(buf));
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len = wcrtomb(buf, L'\0', &s);
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assert(len == 1);
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assert((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
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/* Latin letter A, internal state. */
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assert(wcrtomb(NULL, L'\0', NULL) == 1);
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assert(wcrtomb(NULL, L'A', NULL) == 1);
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/* Latin letter A. */
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memset(&s, 0, sizeof(s));
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memset(buf, 0xcc, sizeof(buf));
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len = wcrtomb(buf, L'A', &s);
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assert(len == 1);
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assert((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
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/* Full width letter A. */
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memset(&s, 0, sizeof(s));
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memset(buf, 0xcc, sizeof(buf));
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len = wcrtomb(buf, 0xa3c1, &s);
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assert(len == 2);
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assert((unsigned char)buf[0] == 0xa3 &&
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(unsigned char)buf[1] == 0xc1 &&
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(unsigned char)buf[2] == 0xcc);
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printf("PASS wcrtomb()\n");
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return (0);
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}
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