glibc/iconv/tst-iconv8.c

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/* Test iconv behavior on UCS4 conversions with //IGNORE.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* Derived from BZ #26923 */
#include <errno.h>
#include <iconv.h>
#include <stdio.h>
#include <support/check.h>
static int
do_test (void)
{
iconv_t cd = iconv_open ("UTF-8//IGNORE", "ISO-10646/UCS4/");
TEST_VERIFY_EXIT (cd != (iconv_t) -1);
/*
* Convert sequence beginning with an irreversible character into buffer that
* is too small.
*/
char input[12] = "\xe1\x80\xa1" "AAAAAAAAA";
char *inptr = input;
size_t insize = sizeof (input);
char output[6];
char *outptr = output;
size_t outsize = sizeof (output);
TEST_VERIFY (iconv (cd, &inptr, &insize, &outptr, &outsize) == -1);
TEST_VERIFY (errno == E2BIG);
TEST_VERIFY_EXIT (iconv_close (cd) != -1);
return 0;
}
#include <support/test-driver.c>