glibc/stdlib/tst-strtod5.c
Ulrich Drepper 64f6281cbb * stdlib/strtod_l.c (____STRTOF_INTERNAL): Properly handle -0.
* stdlib/Makefile (tests): Add tst-strtod5.
	(tst-strtod5-ENV): New.
	* stdlib/tst-strtod5.c: New file.
2007-08-03 16:45:47 +00:00

89 lines
1.7 KiB
C

#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;
int group;
double expected;
} tests[] =
{
{ "0", 0, 0.0 },
{ "000", 0, 0.0 },
{ "-0", 0, -0.0 },
{ "-000", 0, -0.0 },
{ "0,", 0, 0.0 },
{ "-0,", 0, -0.0 },
{ "0,0", 0, 0.0 },
{ "-0,0", 0, -0.0 },
{ "0e-10", 0, 0.0 },
{ "-0e-10", 0, -0.0 },
{ "0,e-10", 0, 0.0 },
{ "-0,e-10", 0, -0.0 },
{ "0,0e-10", 0, 0.0 },
{ "-0,0e-10", 0, -0.0 },
{ "0e-1000000", 0, 0.0 },
{ "-0e-1000000", 0, -0.0 },
{ "0,0e-1000000", 0, 0.0 },
{ "-0,0e-1000000", 0, -0.0 },
{ "0", 1, 0.0 },
{ "000", 1, 0.0 },
{ "-0", 1, -0.0 },
{ "-000", 1, -0.0 },
{ "0e-10", 1, 0.0 },
{ "-0e-10", 1, -0.0 },
{ "0e-1000000", 1, 0.0 },
{ "-0e-1000000", 1, -0.0 },
{ "000"NBSP"000"NBSP"000", 1, 0.0 },
{ "-000"NBSP"000"NBSP"000", 1, -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;
if (tests[i].group)
r = __strtod_internal (tests[i].in, &ep, 1);
else
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;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"