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/* Tests of strtod in a locale using decimal comma.
Copyright (C) 2007-2024 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 <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define NBSP "\xc2\xa0"
static const struct
{
const char *in;
double expected;
} tests[] =
{
{ "0", 0.0 },
{ "000", 0.0 },
{ "-0", -0.0 },
{ "-000", -0.0 },
{ "0,", 0.0 },
{ "-0,", -0.0 },
{ "0,0", 0.0 },
{ "-0,0", -0.0 },
{ "0e-10", 0.0 },
{ "-0e-10", -0.0 },
{ "0,e-10", 0.0 },
{ "-0,e-10", -0.0 },
{ "0,0e-10", 0.0 },
{ "-0,0e-10", -0.0 },
{ "0e-1000000", 0.0 },
{ "-0e-1000000", -0.0 },
{ "0,0e-1000000", 0.0 },
{ "-0,0e-1000000", -0.0 },
};
#define NTESTS (sizeof (tests) / sizeof (tests[0]))
static int
do_test (void)
{
if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
{
puts ("could not set locale");
return 1;
}
int status = 0;
for (int i = 0; i < NTESTS; ++i)
{
char *ep;
double r = strtod (tests[i].in, &ep);
if (*ep != '\0')
{
printf ("%d: got rest string \"%s\", expected \"\"\n", i, ep);
status = 1;
}
if (r != tests[i].expected
|| copysign (10.0, r) != copysign (10.0, tests[i].expected))
{
printf ("%d: got wrong results %g, expected %g\n",
i, r, tests[i].expected);
status = 1;
}
}
return status;
}
#include <support/test-driver.c>
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