| 1 | // Boost.TypeErasure library |
|---|---|
| 2 | // |
| 3 | // Copyright 2011 Steven Watanabe |
| 4 | // |
| 5 | // Distributed under the Boost Software License Version 1.0. (See |
| 6 | // accompanying file LICENSE_1_0.txt or copy at |
| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
| 8 | // |
| 9 | // $Id$ |
| 10 | |
| 11 | #include <boost/type_erasure/any.hpp> |
| 12 | #include <boost/type_erasure/builtin.hpp> |
| 13 | #include <boost/type_erasure/operators.hpp> |
| 14 | #include <boost/type_erasure/any_cast.hpp> |
| 15 | #include <boost/type_erasure/deduced.hpp> |
| 16 | #include <boost/mpl/vector.hpp> |
| 17 | #include <boost/mpl/assert.hpp> |
| 18 | #include <boost/type_traits/remove_pointer.hpp> |
| 19 | #include <boost/type_traits/is_same.hpp> |
| 20 | |
| 21 | #define BOOST_TEST_MAIN |
| 22 | #include <boost/test/unit_test.hpp> |
| 23 | |
| 24 | using namespace boost::type_erasure; |
| 25 | |
| 26 | template<class T = _self> |
| 27 | struct common : ::boost::mpl::vector< |
| 28 | copy_constructible<T>, |
| 29 | typeid_<T> |
| 30 | > {}; |
| 31 | |
| 32 | BOOST_AUTO_TEST_CASE(test_deduce_dereference) |
| 33 | { |
| 34 | typedef ::boost::mpl::vector< |
| 35 | copy_constructible<>, |
| 36 | typeid_<deduced<boost::remove_pointer<_self> >::type>, |
| 37 | dereferenceable<deduced<boost::remove_pointer<_self> >&> |
| 38 | > test_concept; |
| 39 | int i; |
| 40 | any<test_concept> x(&i); |
| 41 | any<test_concept, deduced<boost::remove_pointer<_self> >&> y(*x); |
| 42 | BOOST_CHECK_EQUAL(&any_cast<int&>(y), &i); |
| 43 | } |
| 44 | |
| 45 | BOOST_MPL_ASSERT(( |
| 46 | boost::is_same< |
| 47 | deduced<boost::remove_pointer<_self> >::type, |
| 48 | deduced<boost::remove_pointer<_self> > >)); |
| 49 | |
| 50 | BOOST_MPL_ASSERT(( |
| 51 | boost::is_same<deduced<boost::remove_pointer<int*> >::type, int >)); |
| 52 |