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- // Boost.TypeErasure library
- //
- // Copyright 2011 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/mpl/vector.hpp>
- #define BOOST_TEST_MAIN
- #include <boost/test/unit_test.hpp>
- using namespace boost::type_erasure;
- template<class T = _self>
- struct common : ::boost::mpl::vector<
- copy_constructible<T>,
- typeid_<T>
- > {};
- BOOST_AUTO_TEST_CASE(test_basic)
- {
- typedef ::boost::mpl::vector<common<>, dereferenceable<int&> > test_concept;
- int i;
- any<test_concept> x(&i);
- BOOST_CHECK_EQUAL(&*x, &i);
- }
- BOOST_AUTO_TEST_CASE(test_any_result)
- {
- typedef ::boost::mpl::vector<common<>, common<_a>, dereferenceable<_a&> > test_concept;
- typedef ::boost::mpl::map<
- ::boost::mpl::pair<_self, int*>,
- ::boost::mpl::pair<_a, int>
- > types;
- int i;
- any<test_concept> x(&i, make_binding<types>());
- any<test_concept, _a&> y(*x);
- BOOST_CHECK_EQUAL(any_cast<int*>(&y), &i);
- }
- BOOST_AUTO_TEST_CASE(test_any_result_const)
- {
- typedef ::boost::mpl::vector<common<>, common<_a>, dereferenceable<const _a&> > test_concept;
- typedef ::boost::mpl::map<
- ::boost::mpl::pair<_self, const int*>,
- ::boost::mpl::pair<_a, int>
- > types;
- const int i = 0;
- any<test_concept> x(&i, make_binding<types>());
- any<test_concept, const _a&> y(*x);
- BOOST_CHECK_EQUAL(any_cast<const int*>(&y), &i);
- }
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