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/*=============================================================================
Copyright (c) 2016,2018 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/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_STRUCT((ns), value, (wrapper, w, key_type))
int main()
{
using namespace boost::fusion;
{
ns::value x;
ns::value 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 x;
ns::value 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();
}
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