67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
/*=============================================================================
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Copyright (c) 2016,2018 Kohei Takahashi
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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/adapted/struct/define_struct.hpp>
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#include <utility>
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struct wrapper
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{
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int value;
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wrapper() : value(42) {}
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wrapper(wrapper&& other) : value(other.value) { other.value = 0; }
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wrapper(wrapper const& other) : value(other.value) {}
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wrapper& operator=(wrapper&& other) { value = other.value; other.value = 0; return *this; }
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wrapper& operator=(wrapper const& other) { value = other.value; return *this; }
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};
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BOOST_FUSION_DEFINE_STRUCT((ns), value, (wrapper, w))
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int main()
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{
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using namespace boost::fusion;
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{
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ns::value x;
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ns::value y(x); // copy
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BOOST_TEST(x.w.value == 42);
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BOOST_TEST(y.w.value == 42);
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++y.w.value;
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BOOST_TEST(x.w.value == 42);
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BOOST_TEST(y.w.value == 43);
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y = x; // copy assign
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BOOST_TEST(x.w.value == 42);
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BOOST_TEST(y.w.value == 42);
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}
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{
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ns::value x;
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ns::value y(std::move(x)); // move
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BOOST_TEST(x.w.value == 0);
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BOOST_TEST(y.w.value == 42);
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++y.w.value;
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BOOST_TEST(x.w.value == 0);
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BOOST_TEST(y.w.value == 43);
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y = std::move(x); // move assign
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BOOST_TEST(x.w.value == 0);
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BOOST_TEST(y.w.value == 0);
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}
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return boost::report_errors();
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}
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