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/*-
* 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 mbtowc(), as specified by IEEE Std. 1003.1-2001 and
* ISO/IEC 9899:1990.
*
* The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
* "ja_JP.eucJP". Other encodings are not tested.
*/
#include <limits.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <atf-c.h>
ATF_TC_WITHOUT_HEAD(mbtowc_test);
ATF_TC_BODY(mbtowc_test, tc)
{
char buf[MB_LEN_MAX + 1];
wchar_t wc;
/* C/POSIX locale. */
ATF_REQUIRE(MB_CUR_MAX == 1);
/* No shift states in C locale. */
ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0);
/* Null wide character. */
wc = 0xcccc;
memset(buf, 0, sizeof(buf));
ATF_REQUIRE(mbtowc(&wc, buf, 1) == 0);
ATF_REQUIRE(wc == 0);
/* Latin letter A. */
buf[0] = 'A';
ATF_REQUIRE(mbtowc(&wc, buf, 1) == 1);
ATF_REQUIRE(wc == L'A');
/* Incomplete character sequence. */
wc = L'z';
buf[0] = '\0';
ATF_REQUIRE(mbtowc(&wc, buf, 0) == -1);
ATF_REQUIRE(wc == L'z');
ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0);
/* Japanese (EUC) locale. */
ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
ATF_REQUIRE(MB_CUR_MAX > 1);
/* Null wide character */
memset(buf, 0xcc, sizeof(buf));
buf[0] = 0;
wc = 0xcccc;
ATF_REQUIRE(mbtowc(&wc, buf, 1) == 0);
ATF_REQUIRE(wc == 0);
/* Latin letter A. */
buf[0] = 'A';
ATF_REQUIRE(mbtowc(&wc, buf, 1) == 1);
ATF_REQUIRE(wc == L'A');
/* Incomplete character sequence (zero length). */
wc = L'z';
buf[0] = '\0';
ATF_REQUIRE(mbtowc(&wc, buf, 0) == -1);
ATF_REQUIRE(wc == L'z');
ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0);
/* Incomplete character sequence (truncated double-byte). */
memset(buf, 0xcc, sizeof(buf));
buf[0] = 0xa3;
buf[1] = 0x00;
wc = L'z';
ATF_REQUIRE(mbtowc(&wc, buf, 1) == -1);
ATF_REQUIRE(wc == L'z');
ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0);
/* Same as above, but complete. */
buf[1] = 0xc1;
ATF_REQUIRE(mbtowc(&wc, buf, 2) == 2);
ATF_REQUIRE(wc == 0xa3c1);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, mbtowc_test);
return (atf_no_error());
}
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