| /*============================================================================= |
| Copyright (c) 2016 Kohei Takahashi |
| |
| 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/config.hpp> |
| #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES |
| |
| #include <boost/detail/lightweight_test.hpp> |
| #include <boost/fusion/adapted/struct/define_assoc_struct.hpp> |
| #include <utility> |
| |
| struct key_type; |
| struct wrapper |
| { |
| int value; |
| |
| wrapper() : value(42) {} |
| wrapper(wrapper&& other) : value(other.value) { other.value = 0; } |
| wrapper(wrapper const& other) : value(other.value) {} |
| |
| wrapper& operator=(wrapper&& other) { value = other.value; other.value = 0; return *this; } |
| wrapper& operator=(wrapper const& other) { value = other.value; return *this; } |
| }; |
| BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT((W), (ns), value, (W, w, key_type)) |
| |
| int main() |
| { |
| using namespace boost::fusion; |
| |
| { |
| ns::value<wrapper> x; |
| ns::value<wrapper> y(x); // copy |
| |
| BOOST_TEST(x.w.value == 42); |
| BOOST_TEST(y.w.value == 42); |
| |
| ++y.w.value; |
| |
| BOOST_TEST(x.w.value == 42); |
| BOOST_TEST(y.w.value == 43); |
| |
| y = x; // copy assign |
| |
| BOOST_TEST(x.w.value == 42); |
| BOOST_TEST(y.w.value == 42); |
| } |
| |
| { |
| ns::value<wrapper> x; |
| ns::value<wrapper> y(std::move(x)); // move |
| |
| BOOST_TEST(x.w.value == 0); |
| BOOST_TEST(y.w.value == 42); |
| |
| ++y.w.value; |
| |
| BOOST_TEST(x.w.value == 0); |
| BOOST_TEST(y.w.value == 43); |
| |
| y = std::move(x); // move assign |
| |
| BOOST_TEST(x.w.value == 0); |
| BOOST_TEST(y.w.value == 0); |
| } |
| |
| return boost::report_errors(); |
| } |
| |
| #else |
| |
| int main() |
| { |
| } |
| |
| #endif |