| 1 | // Boost.TypeErasure library |
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| 2 | // |
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| 3 | // Copyright 2011 Steven Watanabe |
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| 4 | // |
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| 5 | // Distributed under the Boost Software License Version 1.0. (See |
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| 6 | // accompanying file LICENSE_1_0.txt or copy at |
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| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | // |
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| 9 | // $Id$ |
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| 10 | |
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| 11 | #include <boost/type_erasure/any.hpp> |
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| 12 | #include <boost/type_erasure/builtin.hpp> |
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| 13 | #include <boost/type_erasure/operators.hpp> |
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| 14 | #include <boost/type_erasure/any_cast.hpp> |
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| 15 | #include <boost/mpl/vector.hpp> |
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| 16 | |
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| 17 | #define BOOST_TEST_MAIN |
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| 18 | #include <boost/test/unit_test.hpp> |
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| 19 | |
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| 20 | using namespace boost::type_erasure; |
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| 21 | |
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| 22 | template<class T = _self> |
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| 23 | struct common : ::boost::mpl::vector< |
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| 24 | copy_constructible<T>, |
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| 25 | typeid_<T> |
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| 26 | > {}; |
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| 27 | |
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| 28 | BOOST_AUTO_TEST_CASE(test_basic) |
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| 29 | { |
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| 30 | typedef ::boost::mpl::vector<common<>, dereferenceable<int&> > test_concept; |
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| 31 | int i; |
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| 32 | any<test_concept> x(&i); |
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| 33 | BOOST_CHECK_EQUAL(&*x, &i); |
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| 34 | } |
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| 35 | |
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| 36 | BOOST_AUTO_TEST_CASE(test_any_result) |
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| 37 | { |
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| 38 | typedef ::boost::mpl::vector<common<>, common<_a>, dereferenceable<_a&> > test_concept; |
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| 39 | typedef ::boost::mpl::map< |
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| 40 | ::boost::mpl::pair<_self, int*>, |
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| 41 | ::boost::mpl::pair<_a, int> |
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| 42 | > types; |
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| 43 | int i; |
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| 44 | any<test_concept> x(&i, make_binding<types>()); |
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| 45 | any<test_concept, _a&> y(*x); |
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| 46 | BOOST_CHECK_EQUAL(any_cast<int*>(&y), &i); |
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| 47 | } |
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| 48 | |
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| 49 | BOOST_AUTO_TEST_CASE(test_any_result_const) |
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| 50 | { |
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| 51 | typedef ::boost::mpl::vector<common<>, common<_a>, dereferenceable<const _a&> > test_concept; |
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| 52 | typedef ::boost::mpl::map< |
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| 53 | ::boost::mpl::pair<_self, const int*>, |
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| 54 | ::boost::mpl::pair<_a, int> |
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| 55 | > types; |
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| 56 | const int i = 0; |
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| 57 | any<test_concept> x(&i, make_binding<types>()); |
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| 58 | any<test_concept, const _a&> y(*x); |
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| 59 | BOOST_CHECK_EQUAL(any_cast<const int*>(&y), &i); |
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| 60 | } |
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| 61 | |
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