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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>
- #include <boost/fusion/include/at_c.hpp>
- #include <boost/fusion/include/front.hpp>
- #include <boost/fusion/include/back.hpp>
- #include <boost/fusion/include/size.hpp>
- #include <boost/fusion/include/empty.hpp>
- #include <boost/fusion/include/begin.hpp>
- #include <boost/fusion/include/end.hpp>
- #include <boost/fusion/include/distance.hpp>
- #include <boost/fusion/include/next.hpp>
- #include <boost/fusion/include/prior.hpp>
- #include <boost/fusion/include/equal_to.hpp>
- #include <boost/fusion/include/advance.hpp>
- #include <boost/fusion/include/deref.hpp>
- #include <boost/fusion/include/value_of.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_same)
- {
- tuple<common<_a>, _a, _a> t(1, 2);
- BOOST_CHECK_EQUAL(any_cast<int&>(get<0>(t)), 1);
- BOOST_CHECK_EQUAL(any_cast<int&>(get<1>(t)), 2);
- }
- BOOST_AUTO_TEST_CASE(test_degenerate)
- {
- tuple<boost::mpl::vector<> > t;
- }
- template<class T>
- typename T::value_type get_static(T) { return T::value; }
- BOOST_AUTO_TEST_CASE(test_fusion)
- {
- typedef boost::mpl::vector<common<_a>, common<_b>, addable<_a, _b> > test_concept;
- tuple<test_concept, _a, _b> t(2.0, 1);
- BOOST_CHECK_EQUAL(any_cast<double&>(boost::fusion::at_c<0>(t)), 2.0);
- BOOST_CHECK_EQUAL(any_cast<int&>(boost::fusion::at_c<1>(t)), 1);
- BOOST_CHECK_EQUAL(any_cast<double&>(boost::fusion::front(t)), 2.0);
- BOOST_CHECK_EQUAL(any_cast<int&>(boost::fusion::back(t)), 1);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::empty(t)), false);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::size(t)), 2);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::distance(boost::fusion::begin(t), boost::fusion::end(t))), 2);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::distance(boost::fusion::next(boost::fusion::begin(t)), boost::fusion::end(t))), 1);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::distance(boost::fusion::begin(t), boost::fusion::prior(boost::fusion::end(t)))), 1);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::distance(boost::fusion::advance_c<2>(boost::fusion::begin(t)), boost::fusion::end(t))), 0);
- BOOST_CHECK_EQUAL(any_cast<double&>(boost::fusion::deref(boost::fusion::begin(t))), 2.0);
- }
- BOOST_AUTO_TEST_CASE(test_fusion_const)
- {
- typedef boost::mpl::vector<common<_a>, common<_b>, addable<_a, _b> > test_concept;
- const tuple<test_concept, _a, _b> t(2.0, 1);
- BOOST_CHECK_EQUAL(any_cast<const double&>(boost::fusion::at_c<0>(t)), 2.0);
- BOOST_CHECK_EQUAL(any_cast<const int&>(boost::fusion::at_c<1>(t)), 1);
- BOOST_CHECK_EQUAL(any_cast<const double&>(boost::fusion::front(t)), 2.0);
- BOOST_CHECK_EQUAL(any_cast<const int&>(boost::fusion::back(t)), 1);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::empty(t)), false);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::size(t)), 2);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::distance(boost::fusion::begin(t), boost::fusion::end(t))), 2);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::distance(boost::fusion::next(boost::fusion::begin(t)), boost::fusion::end(t))), 1);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::distance(boost::fusion::begin(t), boost::fusion::prior(boost::fusion::end(t)))), 1);
- BOOST_CHECK_EQUAL(get_static(boost::fusion::distance(boost::fusion::advance_c<2>(boost::fusion::begin(t)), boost::fusion::end(t))), 0);
- BOOST_CHECK_EQUAL(any_cast<const double&>(boost::fusion::deref(boost::fusion::begin(t))), 2.0);
- }
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