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- // Boost.TypeErasure library
- //
- // Copyright 2012 Steven Watanabe
- //
- // Distributed under 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)
- //
- // $Id$
- #include <boost/type_erasure/any.hpp>
- #include <boost/type_erasure/builtin.hpp>
- #include <boost/type_erasure/operators.hpp>
- #include <boost/type_erasure/any_cast.hpp>
- #include <boost/type_erasure/deduced.hpp>
- #include <boost/type_erasure/same_type.hpp>
- #include <boost/mpl/vector.hpp>
- #include <boost/mpl/assert.hpp>
- #include <boost/type_traits/remove_pointer.hpp>
- #include <boost/type_traits/is_same.hpp>
- #define BOOST_TEST_MAIN
- #include <boost/test/unit_test.hpp>
- using namespace boost::type_erasure;
- BOOST_AUTO_TEST_CASE(test_deduce_dereference)
- {
- typedef ::boost::mpl::vector<
- copy_constructible<>,
- typeid_<_a>,
- dereferenceable<deduced<boost::remove_pointer<_self> >&>,
- same_type<deduced<boost::remove_pointer<_self> >, _a>
- > test_concept;
- int i;
- any<test_concept> x(&i);
- any<test_concept, _a&> y(*x);
- BOOST_CHECK_EQUAL(&any_cast<int&>(y), &i);
- }
- BOOST_MPL_ASSERT((
- boost::is_same<
- deduced<boost::remove_pointer<_self> >::type,
- deduced<boost::remove_pointer<_self> > >));
- BOOST_MPL_ASSERT((
- boost::is_same<deduced<boost::remove_pointer<int*> >::type, int >));
- BOOST_AUTO_TEST_CASE(test_duplicate)
- {
- typedef ::boost::mpl::vector<
- copy_constructible<>,
- typeid_<_a>,
- dereferenceable<deduced<boost::remove_pointer<_self> >&>,
- same_type<deduced<boost::remove_pointer<_self> >, _a>,
- same_type<deduced<boost::remove_pointer<_self> >, _a>
- > test_concept;
- int i;
- any<test_concept> x(&i);
- any<test_concept, _a&> y(*x);
- BOOST_CHECK_EQUAL(&any_cast<int&>(y), &i);
- }
- BOOST_AUTO_TEST_CASE(test_convert)
- {
- typedef ::boost::mpl::vector<
- copy_constructible<>,
- typeid_<_a>,
- dereferenceable<deduced<boost::remove_pointer<_self> >&>,
- same_type<deduced<boost::remove_pointer<_self> >, _a>
- > test_concept_src;
- typedef ::boost::mpl::vector<
- copy_constructible<_b>,
- typeid_<_c>,
- dereferenceable<deduced<boost::remove_pointer<_b> >&, _b>,
- same_type<deduced<boost::remove_pointer<_b> >, _c>
- > test_concept_dest;
- int i;
- any<test_concept_src> x1(&i);
- any<test_concept_src, _a&> y1(*x1);
- any<test_concept_dest, _b> x2(x1);
- any<test_concept_dest, _c&> y2(*x2);
- BOOST_CHECK_EQUAL(&any_cast<int&>(y2), &i);
- }
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