| /*============================================================================= |
| Copyright (c) 2010 Christopher Schmidt |
| |
| 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) |
| ==============================================================================*/ |
| #include <boost/detail/lightweight_test.hpp> |
| #include <boost/fusion/sequence.hpp> |
| #include <boost/fusion/support.hpp> |
| #include <boost/fusion/container/list.hpp> |
| #include <boost/fusion/container/vector.hpp> |
| #include <boost/fusion/container/generation/make_vector.hpp> |
| #include <boost/fusion/adapted/adt/adapt_assoc_adt.hpp> |
| #include <boost/mpl/assert.hpp> |
| #include <boost/mpl/not.hpp> |
| #include <boost/mpl/front.hpp> |
| #include <boost/mpl/is_sequence.hpp> |
| #include <boost/type_traits/is_same.hpp> |
| #include <boost/static_assert.hpp> |
| #include <iostream> |
| #include <string> |
| |
| namespace ns |
| { |
| struct x_member; |
| struct y_member; |
| struct z_member; |
| |
| struct non_member; |
| |
| template<typename X, typename Y, typename Z> |
| class point |
| { |
| public: |
| |
| point() : x(0), y(0), z(0) {} |
| point(X in_x, Y in_y, Z in_z) : x(in_x), y(in_y), z(in_z) {} |
| |
| X get_x() const { return x; } |
| Y get_y() const { return y; } |
| Z get_z() const { return z; } |
| void set_x(X x_) { x = x_; } |
| void set_y(Y y_) { y = y_; } |
| void set_z(Z z_) { z = z_; } |
| |
| private: |
| |
| X x; |
| Y y; |
| Z z; |
| }; |
| } |
| |
| #if BOOST_PP_VARIADICS |
| BOOST_FUSION_ADAPT_ASSOC_TPL_ADT( |
| (X)(Y)(Z), |
| (ns::point)(X)(Y)(Z), |
| (X, X, obj.get_x(), obj.set_x(val), ns::x_member) |
| (Y, Y, obj.get_y(), obj.set_y(val), ns::y_member) |
| (obj.get_z(), obj.set_z(val), ns::z_member) |
| ) |
| |
| #else // BOOST_PP_VARIADICS |
| BOOST_FUSION_ADAPT_ASSOC_TPL_ADT( |
| (X)(Y)(Z), |
| (ns::point)(X)(Y)(Z), |
| (X, X, obj.get_x(), obj.set_x(val), ns::x_member) |
| (Y, Y, obj.get_y(), obj.set_y(val), ns::y_member) |
| (auto, auto, obj.get_z(), obj.set_z(val), ns::z_member) |
| ) |
| |
| #endif |
| |
| template <typename TypeToConstruct> |
| class empty_adt_templated_factory { |
| |
| TypeToConstruct operator()() { |
| return TypeToConstruct(); |
| } |
| |
| }; |
| |
| BOOST_FUSION_ADAPT_ASSOC_TPL_ADT( |
| (TypeToConstruct), |
| (empty_adt_templated_factory)(TypeToConstruct), |
| ) |
| |
| int |
| main() |
| { |
| using namespace boost::fusion; |
| |
| typedef ns::point<int,int,long> point; |
| |
| std::cout << tuple_open('['); |
| std::cout << tuple_close(']'); |
| std::cout << tuple_delimiter(", "); |
| |
| { |
| BOOST_MPL_ASSERT_NOT((traits::is_view<point>)); |
| BOOST_STATIC_ASSERT(!traits::is_view<point>::value); |
| point p(123, 456, 789); |
| |
| std::cout << at_c<0>(p) << std::endl; |
| std::cout << at_c<1>(p) << std::endl; |
| std::cout << at_c<2>(p) << std::endl; |
| std::cout << p << std::endl; |
| BOOST_TEST(p == make_vector(123, 456, 789)); |
| |
| at_c<0>(p) = 6; |
| at_c<1>(p) = 9; |
| at_c<2>(p) = 12; |
| BOOST_TEST(p == make_vector(6, 9, 12)); |
| |
| BOOST_STATIC_ASSERT(boost::fusion::result_of::size<point>::value == 3); |
| BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<point>::value); |
| |
| BOOST_TEST(front(p) == 6); |
| BOOST_TEST(back(p) == 12); |
| } |
| |
| { |
| boost::fusion::vector<int, float, long> v1(4, 2.f, 2); |
| point v2(5, 3, 3); |
| boost::fusion::vector<long, double, long> v3(5, 4., 4); |
| BOOST_TEST(v1 < v2); |
| BOOST_TEST(v1 <= v2); |
| BOOST_TEST(v2 > v1); |
| BOOST_TEST(v2 >= v1); |
| BOOST_TEST(v2 < v3); |
| BOOST_TEST(v2 <= v3); |
| BOOST_TEST(v3 > v2); |
| BOOST_TEST(v3 >= v2); |
| } |
| |
| { |
| // conversion from point to vector |
| point p(5, 3, 3); |
| boost::fusion::vector<int, long, int> v(p); |
| v = p; |
| } |
| |
| { |
| // conversion from point to list |
| point p(5, 3, 3); |
| boost::fusion::list<int, long, int> l(p); |
| l = p; |
| } |
| |
| { |
| BOOST_MPL_ASSERT((boost::mpl::is_sequence<point>)); |
| BOOST_MPL_ASSERT((boost::is_same< |
| boost::fusion::result_of::value_at_c<point,0>::type |
| , boost::mpl::front<point>::type>)); |
| } |
| |
| { |
| // assoc stuff |
| BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<point, ns::x_member>)); |
| BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<point, ns::y_member>)); |
| BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<point, ns::z_member>)); |
| BOOST_MPL_ASSERT((boost::mpl::not_<boost::fusion::result_of::has_key<point, ns::non_member> >)); |
| |
| BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<point, ns::x_member>::type, int>)); |
| BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<point, ns::y_member>::type, int>)); |
| BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<point, ns::z_member>::type, long>)); |
| |
| point p(5, 3, 1); |
| |
| BOOST_TEST(at_key<ns::x_member>(p) == 5); |
| BOOST_TEST(at_key<ns::y_member>(p) == 3); |
| BOOST_TEST(at_key<ns::z_member>(p) == 1); |
| } |
| |
| return boost::report_errors(); |
| } |
| |