mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-14 23:30:06 +00:00
131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/* Test fetestexceptflag.
|
|
Copyright (C) 2016-2017 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
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <fenv.h>
|
|
#include <stdio.h>
|
|
#include <math-tests.h>
|
|
|
|
static int
|
|
test_one (int exc_test, int exc_set, int exc_save)
|
|
{
|
|
int result = 0;
|
|
|
|
printf ("Individual test: %x %x %x\n", (unsigned int) exc_test,
|
|
(unsigned int) exc_set, (unsigned int) exc_save);
|
|
|
|
feclearexcept (FE_ALL_EXCEPT);
|
|
int ret = fesetexcept (exc_set);
|
|
if (ret != 0)
|
|
{
|
|
puts ("fesetexcept failed");
|
|
if (exc_set == 0 || EXCEPTION_TESTS (float))
|
|
{
|
|
puts ("failure of fesetexcept was unexpected");
|
|
result = 1;
|
|
}
|
|
else
|
|
puts ("failure of fesetexcept OK, skipping further tests");
|
|
return result;
|
|
}
|
|
fexcept_t saved;
|
|
ret = fegetexceptflag (&saved, exc_save);
|
|
if (ret == 0)
|
|
puts ("fegetexceptflag succeeded");
|
|
else
|
|
{
|
|
puts ("fegetexceptflag failed");
|
|
result = 1;
|
|
return result;
|
|
}
|
|
ret = fetestexceptflag (&saved, exc_test);
|
|
if (ret == (exc_set & exc_test))
|
|
puts ("fetestexceptflag result correct");
|
|
else
|
|
{
|
|
printf ("fetestexceptflag returned %x, expected %x\n", ret,
|
|
exc_set & exc_test);
|
|
result = 1;
|
|
}
|
|
if (exc_save == FE_ALL_EXCEPT)
|
|
{
|
|
/* Also test fetestexceptflag testing all exceptions but
|
|
possibly with only some set. */
|
|
ret = fetestexceptflag (&saved, FE_ALL_EXCEPT);
|
|
if (ret == exc_set)
|
|
puts ("fetestexceptflag (FE_ALL_EXCEPT) result correct");
|
|
else
|
|
{
|
|
printf ("fetestexceptflag (FE_ALL_EXCEPT) returned %x, expected %x\n",
|
|
ret, exc_set);
|
|
result = 1;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
test_fetestexceptflag (int exc, const char *exc_name)
|
|
{
|
|
int result = 0;
|
|
|
|
printf ("Testing %s\n", exc_name);
|
|
|
|
/* Test each case of: whether this exception is set or clear;
|
|
whether other exceptions are set or clear; whether the whole
|
|
state is saved or just the state for this exception. */
|
|
result |= test_one (exc, 0, exc);
|
|
result |= test_one (exc, 0, FE_ALL_EXCEPT);
|
|
result |= test_one (exc, exc, exc);
|
|
result |= test_one (exc, exc, FE_ALL_EXCEPT);
|
|
result |= test_one (exc, FE_ALL_EXCEPT & ~exc, exc);
|
|
result |= test_one (exc, FE_ALL_EXCEPT & ~exc, FE_ALL_EXCEPT);
|
|
result |= test_one (exc, FE_ALL_EXCEPT, exc);
|
|
result |= test_one (exc, FE_ALL_EXCEPT, FE_ALL_EXCEPT);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
int result = 0;
|
|
|
|
result |= test_fetestexceptflag (0, "0");
|
|
result |= test_fetestexceptflag (FE_ALL_EXCEPT, "FE_ALL_EXCEPT");
|
|
#ifdef FE_DIVBYZERO
|
|
result |= test_fetestexceptflag (FE_DIVBYZERO, "FE_DIVBYZERO");
|
|
#endif
|
|
#ifdef FE_INEXACT
|
|
result |= test_fetestexceptflag (FE_INEXACT, "FE_INEXACT");
|
|
#endif
|
|
#ifdef FE_INVALID
|
|
result |= test_fetestexceptflag (FE_INVALID, "FE_INVALID");
|
|
#endif
|
|
#ifdef FE_OVERFLOW
|
|
result |= test_fetestexceptflag (FE_OVERFLOW, "FE_OVERFLOW");
|
|
#endif
|
|
#ifdef FE_UNDERFLOW
|
|
result |= test_fetestexceptflag (FE_UNDERFLOW, "FE_UNDERFLOW");
|
|
#endif
|
|
|
|
return result;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|