pqc/external/flint-2.4.3/flintxx/test/t-traits.cpp

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2014-05-18 22:03:37 +00:00
/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2013 Tom Bachmann
******************************************************************************/
#include "flintxx/test/helpers.h"
#include "flintxx/traits.h"
#include "flintxx/mp.h"
using namespace flint;
using namespace traits;
struct newtype { };
void
test_integrality()
{
tassert(is_signed_integer<signed char>::val == true);
tassert(is_signed_integer<signed int>::val == true);
tassert(is_signed_integer<slong>::val == true);
tassert(is_signed_integer<unsigned char>::val == false);
tassert(is_signed_integer<unsigned int>::val == false);
tassert(is_signed_integer<ulong>::val == false);
tassert(is_signed_integer<newtype>::val == false);
tassert(is_unsigned_integer<unsigned char>::val == true);
tassert(is_unsigned_integer<unsigned int>::val == true);
tassert(is_unsigned_integer<ulong>::val == true);
tassert(is_unsigned_integer<signed char>::val == false);
tassert(is_unsigned_integer<signed int>::val == false);
tassert(is_unsigned_integer<slong>::val == false);
tassert(is_unsigned_integer<newtype>::val == false);
tassert(is_integer<unsigned char>::val == true);
tassert(is_integer<unsigned int>::val == true);
tassert(is_integer<ulong>::val == true);
tassert(is_integer<signed char>::val == true);
tassert(is_integer<signed int>::val == true);
tassert(is_integer<slong>::val == true);
tassert(is_integer<newtype>::val == false);
tassert(is_string<int>::val == false);
tassert(is_string<const char*>::val == true);
tassert(is_string<char*>::val == true);
tassert(is_string<char[5]>::val == true);
tassert(fits_into_slong<unsigned char>::val == true);
tassert(fits_into_slong<unsigned short>::val == true);
tassert(fits_into_slong<ulong>::val == false);
tassert(fits_into_slong<signed char>::val == true);
tassert(fits_into_slong<signed short>::val == true);
tassert(fits_into_slong<signed int>::val == true);
tassert(fits_into_slong<slong>::val == true);
tassert(fits_into_slong<newtype>::val == false);
typedef void function_type(int, int);
tassert(fits_into_slong<function_type>::val == false);
}
void
test_manipulation()
{
using mp::equal_types;
tassert((equal_types<forwarding<int>::type, int>::val));
tassert((equal_types<forwarding<newtype&>::type, newtype&>::val));
tassert((equal_types<forwarding<const newtype>::type,
const newtype&>::val));
tassert((equal_types<forwarding<const newtype&>::type,
const newtype&>::val));
tassert((equal_types<reference<int>::type, int&>::val));
tassert((equal_types<reference<newtype&>::type, newtype&>::val));
tassert((equal_types<reference<const slong>::type, const slong&>::val));
tassert((equal_types<reference<const int&>::type, const int&>::val));
tassert((equal_types<make_const<int>::type, const int>::val));
tassert((equal_types<make_const<newtype&>::type, const newtype&>::val));
tassert((equal_types<make_const<const slong>::type, const slong>::val));
tassert((equal_types<make_const<const int&>::type, const int&>::val));
tassert((equal_types<basetype<int>::type, int>::val));
tassert((equal_types<basetype<newtype&>::type, newtype>::val));
tassert((equal_types<basetype<const slong>::type, slong>::val));
tassert((equal_types<basetype<const int&>::type, int>::val));
tassert((equal_types<basetype<int*>::type, int*>::val));
}
class super { };
class sub : public super { };
void
test_convertibility()
{
tassert((_is_convertible<super, sub>::val == true));
tassert((_is_convertible<sub, super>::val == false));
tassert((_is_convertible<sub, newtype>::val == false));
tassert((_is_convertible<sub, sub>::val == true));
tassert((_is_convertible<int, int>::val == true));
// Test the HACK.
tassert((_is_convertible<int, void(int)>::val == false));
}
int
main()
{
std::cout << "traits....";
test_integrality();
test_manipulation();
test_convertibility();
std::cout << "PASS" << std::endl;
return 0;
}