glibc/sysdeps/ieee754/ldbl-128ibm-compat/test-strfrom-ldbl-compat.c

50 lines
1.4 KiB
C

/* Test for the long double variants of strfroml and strtold.
Copyright (C) 2019-2024 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
<https://www.gnu.org/licenses/>. */
#include <stdlib.h>
#include <support/check.h>
static int
do_test (void)
{
int written;
char buffer[64];
char *bufptr = buffer;
const char *expected = "-1.0000000000";
long double read;
/* Write to the buffer. */
written = strfroml (bufptr, 64, "%.10f", (long double) -1);
if (written < 0)
support_record_failure ();
/* Compare against the expected output. */
TEST_COMPARE_STRING (expected, buffer);
/* Read from the buffer. */
read = strtold (expected, NULL);
if (read != -1.0L)
support_record_failure ();
return 0;
}
#include <support/test-driver.c>