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/* Basic tests for __strtod_internal.
Copyright (C) 1991-2024 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 <ctype.h>
#include <locale.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <math.h>
#include "tst-strtod.h"
/* This tests internal interfaces, which are only defined for types
with distinct ABIs, so disable testing for types without distinct
ABIs. */
#undef IF_FLOAT32
#define IF_FLOAT32(x)
#undef IF_FLOAT64
#define IF_FLOAT64(x)
#undef IF_FLOAT32X
#define IF_FLOAT32X(x)
#undef IF_FLOAT64X
#define IF_FLOAT64X(x)
#if !__HAVE_DISTINCT_FLOAT128
# undef IF_FLOAT128
# define IF_FLOAT128(x)
#endif
#define ntests (sizeof (tests) / sizeof (tests[0]))
/* Perform a few tests in a locale with thousands separators. */
#define TEST_STRTOD(FSUF, FTYPE, FTOSTR, LSUF, CSUF) \
static int \
test_strto ## FSUF (void) \
{ \
static const struct \
{ \
const char *loc; \
const char *str; \
FTYPE exp; \
ptrdiff_t nread; \
} tests[] = \
{ \
{ "de_DE.UTF-8", "1,5", 1.5 ## LSUF, 3 }, \
{ "de_DE.UTF-8", "1.5", 1.0 ## LSUF, 1 }, \
{ "de_DE.UTF-8", "1.500", 1500.0 ## LSUF, 5 }, \
{ "de_DE.UTF-8", "36.893.488.147.419.103.232", 0x1.0p65 ## LSUF, 26 } \
}; \
size_t n; \
int result = 0; \
\
puts ("\nLocale tests"); \
\
for (n = 0; n < ntests; ++n) \
{ \
FTYPE d; \
char *endp; \
\
if (setlocale (LC_ALL, tests[n].loc) == NULL) \
{ \
printf ("cannot set locale %s\n", tests[n].loc); \
result = 1; \
continue; \
} \
\
d = __strto ## FSUF ## _internal (tests[n].str, &endp, 1); \
if (d != tests[n].exp) \
{ \
char buf1[FSTRLENMAX], buf2[FSTRLENMAX]; \
FTOSTR (buf1, sizeof (buf1), "%g", d); \
FTOSTR (buf2, sizeof (buf2), "%g", tests[n].exp); \
printf ("strto" # FSUF "(\"%s\") returns %s and not %s\n", \
tests[n].str, buf1, buf2); \
result = 1; \
} \
else if (endp - tests[n].str != tests[n].nread) \
{ \
printf ("strto" # FSUF "(\"%s\") read %td bytes and not %td\n", \
tests[n].str, endp - tests[n].str, tests[n].nread); \
result = 1; \
} \
} \
\
if (result == 0) \
puts ("all OK"); \
\
return result ? EXIT_FAILURE : EXIT_SUCCESS; \
}
GEN_TEST_STRTOD_FOREACH (TEST_STRTOD)
static int
do_test (void)
{
return STRTOD_TEST_FOREACH (test_strto);
}
#include <support/test-driver.c>
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