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/* Test of astrxfrm() function.
Copyright (C) 2010-2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
#include <config.h>
#include "astrxfrm.h"
#include <locale.h>
#include <string.h>
#include "macros.h"
int
main ()
{
const char input[] = "B\303\266se B\303\274bchen"; /* "Böse Bübchen" */
char *expected_transform;
setlocale (LC_ALL, "de_DE.UTF-8");
/* Test resultbuf = NULL. */
{
size_t length = 0;
char *transform = astrxfrm (input, NULL, &length);
ASSERT (transform != NULL);
ASSERT (length == strlen (transform) + 1);
expected_transform = transform;
}
/* Test resultbuf = NULL. Initial value of length is ignored here. */
{
size_t length = 100;
char *transform = astrxfrm (input, NULL, &length);
ASSERT (transform != NULL);
ASSERT (strcmp (transform, expected_transform) == 0);
ASSERT (length == strlen (transform) + 1);
free (transform);
}
/* Test resultbuf != NULL with an initial length = 0. */
{
char buf[1];
size_t length = 0;
char *transform;
buf[0] = '@';
transform = astrxfrm (input, buf, &length);
ASSERT (transform != NULL);
ASSERT (transform != buf);
ASSERT (strcmp (transform, expected_transform) == 0);
ASSERT (length == strlen (transform) + 1);
ASSERT (buf[0] == '@');
free (transform);
}
/* Test resultbuf != NULL with an initial length that is too small. */
{
char buf[3];
size_t length = sizeof (buf) - 1;
char *transform;
buf[sizeof (buf) - 1] = '@';
transform = astrxfrm (input, buf, &length);
ASSERT (transform != NULL);
ASSERT (transform != buf);
ASSERT (strcmp (transform, expected_transform) == 0);
ASSERT (length == strlen (transform) + 1);
ASSERT (buf[sizeof (buf) - 1] == '@');
free (transform);
}
/* Test resultbuf != NULL with an initial length that is large enough. */
{
char buf[200];
size_t length = sizeof (buf) - 1;
char *transform;
buf[sizeof (buf) - 1] = '@';
transform = astrxfrm (input, buf, &length);
ASSERT (transform != NULL);
ASSERT (transform == buf);
ASSERT (strcmp (transform, expected_transform) == 0);
ASSERT (length == strlen (transform) + 1);
ASSERT (buf[sizeof (buf) - 1] == '@');
}
free (expected_transform);
return 0;
}
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