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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/tuple.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<
- destructible<T>,
- copy_constructible<T>,
- typeid_<T>
- > {};
- BOOST_AUTO_TEST_CASE(test_same)
- {
- typedef ::boost::mpl::vector<common<>, addable<> > test_concept;
- any<test_concept> x(1);
- any<test_concept> y(2);
- any<test_concept> z(x + y);
- int i = any_cast<int>(z);
- BOOST_CHECK_EQUAL(i, 3);
- }
- BOOST_AUTO_TEST_CASE(test_int1)
- {
- typedef ::boost::mpl::vector<common<>, addable<_self, int> > test_concept;
- any<test_concept> x(1);
- any<test_concept> z(x + 2);
- int i = any_cast<int>(z);
- BOOST_CHECK_EQUAL(i, 3);
- }
- BOOST_AUTO_TEST_CASE(test_int2)
- {
- typedef ::boost::mpl::vector<common<>, addable<int, _self, _self> > test_concept;
- any<test_concept> x(1);
- any<test_concept> z(2 + x);
- int i = any_cast<int>(z);
- BOOST_CHECK_EQUAL(i, 3);
- }
- BOOST_AUTO_TEST_CASE(test_mixed)
- {
- typedef ::boost::mpl::vector<common<_a>, common<_b>, addable<_a, _b> > test_concept;
- tuple<test_concept, _a, _b> x(1.0, 2);
- any<test_concept, _a> z(get<0>(x) + get<1>(x));
- double d = any_cast<double>(z);
- BOOST_CHECK_EQUAL(d, 3);
- }
- BOOST_AUTO_TEST_CASE(test_overload)
- {
- typedef ::boost::mpl::vector<
- common<_a>,
- common<_b>,
- addable<_a>,
- addable<_a, int>,
- addable<int, _a, _a>,
- addable<_b>,
- addable<_b, int>,
- addable<int, _b, _b>,
- addable<_a, _b>
- > test_concept;
- tuple<test_concept, _a, _b> t(1.0, 2);
- any<test_concept, _a> x(get<0>(t));
- any<test_concept, _b> y(get<1>(t));
- {
- any<test_concept, _a> z(x + x);
- BOOST_CHECK_EQUAL(any_cast<double>(z), 2.0);
- }
- {
- any<test_concept, _a> z(x + 3);
- BOOST_CHECK_EQUAL(any_cast<double>(z), 4.0);
- }
- {
- any<test_concept, _a> z(3 + x);
- BOOST_CHECK_EQUAL(any_cast<double>(z), 4.0);
- }
-
- {
- any<test_concept, _b> z(y + y);
- BOOST_CHECK_EQUAL(any_cast<int>(z), 4);
- }
- {
- any<test_concept, _b> z(y + 3);
- BOOST_CHECK_EQUAL(any_cast<int>(z), 5);
- }
- {
- any<test_concept, _b> z(3 + y);
- BOOST_CHECK_EQUAL(any_cast<int>(z), 5);
- }
- {
- any<test_concept, _a> z(x + y);
- BOOST_CHECK_EQUAL(any_cast<double>(z), 3);
- }
- }
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