3a8bdd99cb
the state is undefined according to the standards, and our undefined behaviour has changed.
123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/*-
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* Copyright (c) 2002-2004 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 mbtowc(), as specified by IEEE Std. 1003.1-2001 and
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* ISO/IEC 9899:1990.
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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 <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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int
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main(int argc, char *argv[])
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{
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size_t len;
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wchar_t wc;
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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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/* No shift states in C locale. */
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assert(mbtowc(NULL, NULL, 0) == 0);
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/* Null wide character. */
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wc = 0xcccc;
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memset(buf, 0, sizeof(buf));
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assert(mbtowc(&wc, buf, 1) == 0);
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assert(wc == 0);
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/* Latin letter A. */
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buf[0] = 'A';
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assert(mbtowc(&wc, buf, 1) == 1);
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assert(wc == L'A');
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/* Incomplete character sequence. */
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wc = L'z';
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buf[0] = '\0';
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assert(mbtowc(&wc, buf, 0) == -1);
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assert(wc == L'z');
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assert(mbtowc(NULL, NULL, 0) == 0);
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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 > 1);
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/* Null wide character */
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memset(buf, 0xcc, sizeof(buf));
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buf[0] = 0;
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wc = 0xcccc;
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assert(mbtowc(&wc, buf, 1) == 0);
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assert(wc == 0);
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/* Latin letter A. */
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buf[0] = 'A';
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assert(mbtowc(&wc, buf, 1) == 1);
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assert(wc == L'A');
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/* Incomplete character sequence (zero length). */
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wc = L'z';
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buf[0] = '\0';
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assert(mbtowc(&wc, buf, 0) == -1);
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assert(wc == L'z');
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assert(mbtowc(NULL, NULL, 0) == 0);
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/* Incomplete character sequence (truncated double-byte). */
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memset(buf, 0xcc, sizeof(buf));
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buf[0] = 0xa3;
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buf[1] = 0x00;
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wc = L'z';
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assert(mbtowc(&wc, buf, 1) == -1);
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assert(wc == L'z');
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assert(mbtowc(NULL, NULL, 0) == 0);
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/* Same as above, but complete. */
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buf[1] = 0xc1;
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assert(mbtowc(&wc, buf, 2) == 2);
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assert(wc == 0xa3c1);
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printf("PASS mbtowc()\n");
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return (0);
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}
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