/* Test fegetexceptflag and fesetexceptflag: exception traps enabled.

   Copyright (C) 2016-2018 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

do_test (void)

{

  int result = 0;

  fedisableexcept (FE_ALL_EXCEPT);

  int ret = feraiseexcept (FE_ALL_EXCEPT);

  if (ret != 0)

    {

      if (EXCEPTION_TESTS (float))

	{

	  puts ("feraiseexcept (FE_ALL_EXCEPT) failed");

	  result = 1;

	  return result;

	}

      else

	{

	  puts ("feraiseexcept (FE_ALL_EXCEPT) unsupported, cannot test");

	  return 77;

	}

    }

  fexcept_t saved;

  ret = fegetexceptflag (&saved, FE_ALL_EXCEPT);

  if (ret != 0)

    {

      puts ("fegetexceptflag failed");

      result = 1;

      return result;

    }

  feclearexcept (FE_ALL_EXCEPT);

  ret = feenableexcept (FE_ALL_EXCEPT);

  if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (ret == -1))

    {

      puts ("feenableexcept (FE_ALL_EXCEPT) not supported, cannot test");

      return 77;

    }

  else if (ret != 0)

    {

      puts ("feenableexcept (FE_ALL_EXCEPT) failed");

      result = 1;

    }

  if (EXCEPTION_SET_FORCES_TRAP)

    {

      puts ("setting exceptions traps, cannot test on this architecture");

      return 77;

    }

  /* The test is that this does not cause exception traps.  */

  ret = fesetexceptflag (&saved, FE_ALL_EXCEPT);

  if (ret != 0)

    {

      puts ("fesetexceptflag failed");

      result = 1;

    }

  feclearexcept (FE_ALL_EXCEPT);

  return result;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"