140 lines
3.8 KiB
C++
140 lines
3.8 KiB
C++
/*=============================================================================
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Copyright (c) 2010 Christopher Schmidt
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/fusion/sequence.hpp>
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#include <boost/fusion/support.hpp>
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#include <boost/fusion/container/list.hpp>
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#include <boost/fusion/container/vector.hpp>
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#include <boost/fusion/container/generation/make_vector.hpp>
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#include <boost/fusion/adapted/struct/adapt_assoc_struct_named.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/mpl/not.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/static_assert.hpp>
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#include <iostream>
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#include <string>
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namespace ns
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{
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struct x_member;
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struct y_member;
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struct z_member;
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struct point
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{
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int x;
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int y;
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};
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}
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#if BOOST_PP_VARIADICS
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BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED(
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ns::point,
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point,
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(x, ns::x_member)
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(auto, y, ns::y_member)
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)
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#else // BOOST_PP_VARIADICS
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BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED(
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ns::point,
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point,
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(int, x, ns::x_member)
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(auto, y, ns::y_member)
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)
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#endif
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struct empty_struct {};
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BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED(empty_struct, renamed_empty_struct,)
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int
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main()
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{
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using namespace boost::fusion;
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std::cout << tuple_open('[');
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std::cout << tuple_close(']');
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std::cout << tuple_delimiter(", ");
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{
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BOOST_MPL_ASSERT((traits::is_view<adapted::point>));
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BOOST_STATIC_ASSERT(traits::is_view<adapted::point>::value);
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ns::point basep = {123, 456};
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adapted::point p(basep);
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std::cout << at_c<0>(p) << std::endl;
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std::cout << at_c<1>(p) << std::endl;
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std::cout << p << std::endl;
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BOOST_TEST(p == make_vector(123, 456));
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at_c<0>(p) = 6;
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at_c<1>(p) = 9;
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BOOST_TEST(p == make_vector(6, 9));
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BOOST_STATIC_ASSERT(boost::fusion::result_of::size<adapted::point>::value == 2);
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BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<adapted::point>::value);
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BOOST_TEST(front(p) == 6);
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BOOST_TEST(back(p) == 9);
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}
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{
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vector<int, float> v1(4, 2.f);
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ns::point basev2 = {5, 3};
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adapted::point v2(basev2);
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vector<long, double> v3(5, 4.);
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BOOST_TEST(v1 < v2);
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BOOST_TEST(v1 <= v2);
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BOOST_TEST(v2 > v1);
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BOOST_TEST(v2 >= v1);
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BOOST_TEST(v2 < v3);
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BOOST_TEST(v2 <= v3);
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BOOST_TEST(v3 > v2);
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BOOST_TEST(v3 >= v2);
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}
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{
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// conversion from adapted::point to vector
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ns::point basep = {5, 3};
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adapted::point p(basep);
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vector<int, long> v(p);
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v = p;
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}
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{
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// conversion from adapted::point to list
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ns::point basep = {5, 3};
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adapted::point p(basep);
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list<int, long> l(p);
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l = p;
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}
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{
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// assoc stuff
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BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<adapted::point, ns::x_member>));
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BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<adapted::point, ns::y_member>));
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BOOST_MPL_ASSERT((boost::mpl::not_<boost::fusion::result_of::has_key<adapted::point, ns::z_member> >));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<adapted::point, ns::x_member>::type, int>));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<adapted::point, ns::y_member>::type, int>));
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ns::point basep = {5, 3};
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adapted::point p(basep);
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BOOST_TEST(at_key<ns::x_member>(p) == 5);
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BOOST_TEST(at_key<ns::y_member>(p) == 3);
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}
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return boost::report_errors();
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}
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