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// (C) Copyright John Maddock 2005.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifdef TEST_STD
# include <type_traits>
#else
# include <boost/type_traits/is_signed.hpp>
#endif
#include "test.hpp"
#include "check_integral_constant.hpp"
#include <climits>
TT_TEST_BEGIN(is_signed)
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<int>::value, true);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<long>::value, true);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<short>::value, true);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<signed char>::value, true);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<unsigned int>::value, false);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<unsigned long>::value, false);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<unsigned short>::value, false);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<unsigned char>::value, false);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<UDT>::value, false);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<int&>::value, false);
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<int&&>::value, false);
#endif
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<int*>::value, false);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<int[2]>::value, false);
#ifdef BOOST_HAS_INT128
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<boost::int128_type>::value, true);
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<boost::uint128_type>::value, false);
#endif
#if defined(CHAR_MIN)
#if CHAR_MIN != 0
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<char>::value, true);
#else
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<char>::value, false);
#endif
#endif
#if defined(WCHAR_MIN)
#if WCHAR_MIN != 0
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<wchar_t>::value, true);
#else
BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_signed<wchar_t>::value, false);
#endif
#endif
TT_TEST_END
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