glibc/stdlib/tst-strtod6.c

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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tst-strtod.h"
#define TEST_STRTOD(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
static int \
test_strto ## FSUF (const char str[]) \
{ \
char *endp; \
int result = 0; \
puts (str); \
FTYPE d = strto ## FSUF (str, &endp); \
if (!isnan (d)) \
{ \
puts ("strto" #FSUF " did not return NAN"); \
result = 1; \
} \
if (issignaling (d)) \
{ \
puts ("strto" #FSUF " returned a sNAN"); \
result = 1; \
} \
if (strcmp (endp, "something") != 0) \
{ \
puts ("strto" #FSUF " set incorrect end pointer"); \
result = 1; \
} \
return result; \
}
GEN_TEST_STRTOD_FOREACH (TEST_STRTOD);
static int
do_test (void)
{
int result = 0;
result |= STRTOD_TEST_FOREACH (test_strto, "NaN(blabla)something");
result |= STRTOD_TEST_FOREACH (test_strto, "NaN(1234)something");
/* UINT32_MAX. */
result |= STRTOD_TEST_FOREACH (test_strto, "NaN(4294967295)something");
/* UINT64_MAX. */
result |= STRTOD_TEST_FOREACH (test_strto,
"NaN(18446744073709551615)something");
/* The case of zero is special in that "something" has to be done to make the
mantissa different from zero, which would mean infinity instead of
NaN. */
result |= STRTOD_TEST_FOREACH (test_strto, "NaN(0)something");
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"