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/* Test of c_dtoastr() function.
Copyright (C) 2020-2022 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/>. */
#include <config.h>
#include "ftoastr.h"
#include <locale.h>
#include <stdio.h>
#include <string.h>
#include "macros.h"
int
main (int argc, char *argv[])
{
/* configure should already have checked that the locale is supported. */
if (setlocale (LC_ALL, "") == NULL)
return 1;
/* Test behaviour of snprintf() as a "control group".
(We should be running in a locale where ',' is the decimal point.) */
{
char s[16];
snprintf (s, sizeof s, "%#.0f", 1.0);
if (!strcmp (s, "1."))
{
/* Skip the test, since we're not in a useful locale for testing. */
return 77;
}
ASSERT (!strcmp (s, "1,"));
}
/* Test behaviour of c_dtoastr().
It should always use '.' as the decimal point. */
{
char buf[DBL_BUFSIZE_BOUND];
c_dtoastr (buf, sizeof buf, 0, 0, 0.1);
ASSERT (!strcmp (buf, "0.1"));
}
return 0;
}
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