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- /*=============================================================================
- 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
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