| /*============================================================================= |
| Copyright (c) 2001-2007 Joel de Guzman |
| |
| 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/adapted/struct/adapt_struct.hpp> |
| #include <boost/fusion/sequence/intrinsic/at.hpp> |
| #include <boost/fusion/sequence/intrinsic/size.hpp> |
| #include <boost/fusion/sequence/intrinsic/empty.hpp> |
| #include <boost/fusion/sequence/intrinsic/front.hpp> |
| #include <boost/fusion/sequence/intrinsic/back.hpp> |
| #include <boost/fusion/sequence/intrinsic/value_at.hpp> |
| #include <boost/fusion/sequence/io/out.hpp> |
| #include <boost/fusion/container/vector/vector.hpp> |
| #include <boost/fusion/container/list/list.hpp> |
| #include <boost/fusion/container/generation/make_vector.hpp> |
| #include <boost/fusion/container/vector/convert.hpp> |
| #include <boost/fusion/sequence/comparison/equal_to.hpp> |
| #include <boost/fusion/sequence/comparison/not_equal_to.hpp> |
| #include <boost/fusion/sequence/comparison/less.hpp> |
| #include <boost/fusion/sequence/comparison/less_equal.hpp> |
| #include <boost/fusion/sequence/comparison/greater.hpp> |
| #include <boost/fusion/sequence/comparison/greater_equal.hpp> |
| #include <boost/fusion/mpl.hpp> |
| #include <boost/fusion/support/is_view.hpp> |
| #include <boost/mpl/front.hpp> |
| #include <boost/mpl/is_sequence.hpp> |
| #include <boost/mpl/assert.hpp> |
| #include <boost/static_assert.hpp> |
| #include <iostream> |
| #include <string> |
| |
| namespace namespaced_type { |
| typedef int integer; |
| } |
| |
| namespace ns |
| { |
| struct point |
| { |
| int x; |
| int y; |
| namespaced_type::integer z; |
| }; |
| |
| #if !BOOST_WORKAROUND(__GNUC__,<4) |
| struct point_with_private_attributes |
| { |
| friend struct boost::fusion::extension::access; |
| |
| private: |
| int x; |
| int y; |
| int z; |
| |
| public: |
| point_with_private_attributes(int x, int y, int z):x(x),y(y),z(z) |
| {} |
| }; |
| #endif |
| |
| struct foo |
| { |
| int x; |
| }; |
| |
| struct bar |
| { |
| foo foo_; |
| int y; |
| }; |
| |
| |
| // Testing non-constexpr compatible types |
| struct employee { |
| std::string name; |
| std::string nickname; |
| |
| employee(std::string name, std::string nickname) |
| : name(name), nickname(nickname) |
| {} |
| }; |
| } |
| |
| #if BOOST_PP_VARIADICS |
| |
| BOOST_FUSION_ADAPT_STRUCT( |
| ns::point, |
| x, |
| y, |
| z |
| ) |
| |
| # if !BOOST_WORKAROUND(__GNUC__,<4) |
| BOOST_FUSION_ADAPT_STRUCT( |
| ns::point_with_private_attributes, |
| x, |
| y, |
| z |
| ) |
| # endif |
| |
| struct s { int m; }; |
| BOOST_FUSION_ADAPT_STRUCT(s, m) |
| |
| BOOST_FUSION_ADAPT_STRUCT( |
| ns::bar, |
| foo_.x, // test that adapted members can actually be expressions |
| (auto , y) |
| ) |
| |
| BOOST_FUSION_ADAPT_STRUCT( |
| ns::employee, |
| name, |
| nickname |
| ) |
| |
| |
| #else // BOOST_PP_VARIADICS |
| |
| BOOST_FUSION_ADAPT_STRUCT( |
| ns::point, |
| (int, x) |
| (auto, y) |
| (namespaced_type::integer, z) |
| ) |
| |
| # if !BOOST_WORKAROUND(__GNUC__,<4) |
| BOOST_FUSION_ADAPT_STRUCT( |
| ns::point_with_private_attributes, |
| (int, x) |
| (int, y) |
| (auto, z) |
| ) |
| # endif |
| |
| struct s { int m; }; |
| BOOST_FUSION_ADAPT_STRUCT(s, (auto, m)) |
| |
| BOOST_FUSION_ADAPT_STRUCT( |
| ns::bar, |
| (auto, foo_.x) // test that adapted members can actually be expressions |
| (BOOST_FUSION_ADAPT_AUTO, y) // Mixing auto & BOOST_FUSION_ADAPT_AUTO |
| // to test backward compatibility |
| ) |
| |
| BOOST_FUSION_ADAPT_STRUCT( |
| ns::employee, |
| (std::string, name) |
| (BOOST_FUSION_ADAPT_AUTO, nickname) |
| ) |
| |
| #endif |
| |
| struct empty_struct {}; |
| BOOST_FUSION_ADAPT_STRUCT(empty_struct,) |
| |
| int |
| main() |
| { |
| using namespace boost::fusion; |
| using namespace boost; |
| using ns::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); |
| } |
| |
| { |
| vector<int, float, int> v1(4, 2.f, 2); |
| point v2 = {5, 3, 3}; |
| vector<long, double, int> 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}; |
| vector<int, long, int> v(p); |
| v = p; |
| } |
| |
| { |
| // conversion from point to list |
| point p = {5, 3, 3}; |
| list<int, long, int> l(p); |
| l = p; |
| } |
| |
| { // begin/end |
| using namespace boost::fusion; |
| using boost::is_same; |
| |
| typedef boost::fusion::result_of::begin<s>::type b; |
| typedef boost::fusion::result_of::end<s>::type e; |
| // this fails |
| BOOST_MPL_ASSERT((is_same<boost::fusion::result_of::next<b>::type, e>)); |
| } |
| |
| { |
| BOOST_MPL_ASSERT((mpl::is_sequence<ns::point>)); |
| BOOST_MPL_ASSERT((boost::is_same< |
| boost::fusion::result_of::value_at_c<ns::point,0>::type |
| , mpl::front<ns::point>::type>)); |
| } |
| |
| #if !BOOST_WORKAROUND(__GNUC__,<4) |
| { |
| ns::point_with_private_attributes 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)); |
| } |
| #endif |
| |
| { |
| fusion::vector<int, float> v1(4, 2.f); |
| ns::bar v2 = {{5}, 3}; |
| BOOST_TEST(v1 < v2); |
| BOOST_TEST(v1 <= v2); |
| BOOST_TEST(v2 > v1); |
| BOOST_TEST(v2 >= v1); |
| } |
| |
| { |
| ns::employee emp("John Doe", "jdoe"); |
| std::cout << at_c<0>(emp) << std::endl; |
| std::cout << at_c<1>(emp) << std::endl; |
| |
| fusion::vector<std::string, std::string> v1("John Doe", "jdoe"); |
| BOOST_TEST(emp == v1); |
| } |
| |
| return boost::report_errors(); |
| } |
| |