freebsd-dev/lib/libc/tests/locale/c16rtomb_test.c

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/*-
* Copyright (c) 2002 Tim J. Robbins
* All rights reserved.
*
* Copyright (c) 2013 Ed Schouten <ed@FreeBSD.org>
* 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 c16rtomb() as specified by ISO/IEC 9899:2011.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <errno.h>
#include <limits.h>
#include <locale.h>
#include <stdio.h>
#include <string.h>
#include <uchar.h>
#include <atf-c.h>
static void
require_lc_ctype(const char *locale_name)
{
char *lc_ctype_set;
lc_ctype_set = setlocale(LC_CTYPE, locale_name);
if (lc_ctype_set == NULL)
atf_tc_fail("setlocale(LC_CTYPE, \"%s\") failed; errno=%d",
locale_name, errno);
ATF_REQUIRE(strcmp(lc_ctype_set, locale_name) == 0);
}
static mbstate_t s;
static char buf[MB_LEN_MAX + 1];
ATF_TC_WITHOUT_HEAD(c16rtomb_c_locale_test);
ATF_TC_BODY(c16rtomb_c_locale_test, tc)
{
require_lc_ctype("C");
/*
* If the buffer argument is NULL, c16 is implicitly 0,
* c16rtomb() resets its internal state.
*/
ATF_REQUIRE(c16rtomb(NULL, L'\0', NULL) == 1);
ATF_REQUIRE(c16rtomb(NULL, 0xdc00, NULL) == 1);
/* Null wide character. */
memset(&s, 0, sizeof(s));
memset(buf, 0xcc, sizeof(buf));
ATF_REQUIRE(c16rtomb(buf, 0, &s) == 1);
ATF_REQUIRE((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
/* Latin letter A, internal state. */
ATF_REQUIRE(c16rtomb(NULL, L'\0', NULL) == 1);
ATF_REQUIRE(c16rtomb(NULL, L'A', NULL) == 1);
/* Latin letter A. */
memset(&s, 0, sizeof(s));
memset(buf, 0xcc, sizeof(buf));
ATF_REQUIRE(c16rtomb(buf, L'A', &s) == 1);
ATF_REQUIRE((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
/* Unicode character 'Pile of poo'. */
memset(&s, 0, sizeof(s));
memset(buf, 0xcc, sizeof(buf));
ATF_REQUIRE(c16rtomb(buf, 0xd83d, &s) == 0);
ATF_REQUIRE(c16rtomb(buf, 0xdca9, &s) == (size_t)-1);
ATF_REQUIRE(errno == EILSEQ);
ATF_REQUIRE((unsigned char)buf[0] == 0xcc);
}
ATF_TC_WITHOUT_HEAD(c16rtomb_iso_8859_1_test);
ATF_TC_BODY(c16rtomb_iso_8859_1_test, tc)
{
require_lc_ctype("en_US.ISO8859-1");
/* Unicode character 'Euro sign'. */
memset(&s, 0, sizeof(s));
memset(buf, 0xcc, sizeof(buf));
ATF_REQUIRE(c16rtomb(buf, 0x20ac, &s) == (size_t)-1);
ATF_REQUIRE(errno == EILSEQ);
ATF_REQUIRE((unsigned char)buf[0] == 0xcc);
}
ATF_TC_WITHOUT_HEAD(c16rtomb_iso_8859_15_test);
ATF_TC_BODY(c16rtomb_iso_8859_15_test, tc)
{
require_lc_ctype("en_US.ISO8859-15");
/* Unicode character 'Euro sign'. */
memset(&s, 0, sizeof(s));
memset(buf, 0xcc, sizeof(buf));
ATF_REQUIRE(c16rtomb(buf, 0x20ac, &s) == 1);
ATF_REQUIRE((unsigned char)buf[0] == 0xa4 && (unsigned char)buf[1] == 0xcc);
}
ATF_TC_WITHOUT_HEAD(c16rtomb_utf_8_test);
ATF_TC_BODY(c16rtomb_utf_8_test, tc)
{
require_lc_ctype("en_US.UTF-8");
/* Unicode character 'Pile of poo'. */
memset(&s, 0, sizeof(s));
memset(buf, 0xcc, sizeof(buf));
ATF_REQUIRE(c16rtomb(buf, 0xd83d, &s) == 0);
ATF_REQUIRE(c16rtomb(buf, 0xdca9, &s) == 4);
ATF_REQUIRE((unsigned char)buf[0] == 0xf0 && (unsigned char)buf[1] == 0x9f &&
(unsigned char)buf[2] == 0x92 && (unsigned char)buf[3] == 0xa9 &&
(unsigned char)buf[4] == 0xcc);
/* Invalid code; 'Pile of poo' without the trail surrogate. */
memset(&s, 0, sizeof(s));
memset(buf, 0xcc, sizeof(buf));
ATF_REQUIRE(c16rtomb(buf, 0xd83d, &s) == 0);
ATF_REQUIRE(c16rtomb(buf, L'A', &s) == (size_t)-1);
ATF_REQUIRE(errno == EILSEQ);
ATF_REQUIRE((unsigned char)buf[0] == 0xcc);
/* Invalid code; 'Pile of poo' without the lead surrogate. */
memset(&s, 0, sizeof(s));
memset(buf, 0xcc, sizeof(buf));
ATF_REQUIRE(c16rtomb(buf, 0xdca9, &s) == (size_t)-1);
ATF_REQUIRE(errno == EILSEQ);
ATF_REQUIRE((unsigned char)buf[0] == 0xcc);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, c16rtomb_c_locale_test);
ATF_TP_ADD_TC(tp, c16rtomb_iso_8859_1_test);
ATF_TP_ADD_TC(tp, c16rtomb_iso_8859_15_test);
ATF_TP_ADD_TC(tp, c16rtomb_utf_8_test);
return (atf_no_error());
}