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- // (C) Copyright John Maddock 2000.
- // 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_union.hpp>
- #endif
- #include "test.hpp"
- #include "check_integral_constant.hpp"
- #include <iostream>
- TT_TEST_BEGIN(is_union)
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<int>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<const int>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<volatile int>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<int*>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<int* const>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<int[2]>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<int&>::value, false);
- #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<int&&>::value, false);
- #endif
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<mf4>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<f1>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<enum_UDT>::value, false);
- #if defined(BOOST_HAS_TYPE_TRAITS_INTRINSICS) && !defined(__sgi)
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<union_UDT>::value, true);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<POD_union_UDT>::value, true);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<empty_union_UDT>::value, true);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<empty_POD_union_UDT>::value, true);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<union_UDT const>::value, true);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<POD_union_UDT volatile>::value, true);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<empty_union_UDT const volatile>::value, true);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<empty_POD_union_UDT const>::value, true);
- #else
- std::cout <<
- "\n<note>\n"
- "This compiler version does not provide support for is_union on\n"
- "union types. Such support is not currently required by the\n"
- "C++ Standard. It will be required to support the upcoming\n"
- "Standard Library Technical Report.\n"
- "</note>\n";
- #endif
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<UDT>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<UDT const>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<UDT volatile>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<empty_UDT>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<std::iostream>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<UDT*>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<UDT[2]>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<UDT&>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<void>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<test_abc1>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<foo0_t>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<foo1_t>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<foo2_t>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<foo3_t>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<foo4_t>::value, false);
- BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_union<incomplete_type>::value, false);
- TT_TEST_END
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