move/test/construct_forward.cpp

118 lines
3.4 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright David Abrahams, Vicente Botet, Ion Gaztanaga 2009-2012.
// 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)
//
// See http://www.boost.org/libs/move for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/move/detail/config_begin.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/utility/enable_if.hpp>
#include "../example/movable.hpp"
#include "../example/copymovable.hpp"
#include <cstdio>
class non_movable
{
public:
non_movable()
{}
};
template<class MaybeRvalue>
void catch_test(BOOST_RV_REF(MaybeRvalue) x
#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
,typename ::boost::enable_if< ::boost::has_move_emulation_enabled<MaybeRvalue> >::type* = 0
#endif //BOOST_NO_CXX11_RVALUE_REFERENCES
)
{ (void)x;}
template<class MaybeRvalue>
void catch_test(BOOST_COPY_ASSIGN_REF(MaybeRvalue) x
#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
,typename ::boost::enable_if< ::boost::has_move_emulation_enabled<MaybeRvalue> >::type* = 0
#endif //BOOST_NO_CXX11_RVALUE_REFERENCES
)
{ (void)x;}
template<class MaybeRvalue>
void catch_test(MaybeRvalue &x
#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
,typename ::boost::enable_if< ::boost::has_move_emulation_enabled<MaybeRvalue> >::type* = 0
#endif //BOOST_NO_CXX11_RVALUE_REFERENCES
)
{ (void)x;}
#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
template<class MaybeRvalue>
void catch_test(const MaybeRvalue& x
,typename ::boost::disable_if< ::boost::has_move_emulation_enabled<MaybeRvalue> >::type* = 0
)
{ (void)x;}
#endif //BOOST_NO_CXX11_RVALUE_REFERENCES
movable create_movable()
{ return movable(); }
copy_movable create_copy_movable()
{ return copy_movable(); }
non_movable create_non_movable()
{ return non_movable(); }
void catch_test()
{
movable m;
const movable constm;
catch_test<movable>(boost::move(m));
#ifdef BOOST_CATCH_CONST_RLVALUE
catch_test<movable>(create_movable());
#endif
catch_test<movable>(m);
catch_test<movable>(constm);
copy_movable cm;
const copy_movable constcm;
catch_test<copy_movable>(boost::move(cm));
catch_test<copy_movable>(create_copy_movable());
catch_test<copy_movable>(cm);
catch_test<copy_movable>(constcm);
non_movable nm;
const non_movable constnm;
catch_test<non_movable>(boost::move(nm));
catch_test<non_movable>(create_non_movable());
catch_test<non_movable>(nm);
catch_test<non_movable>(constnm);
}
template<class MaybeMovableOnly, class MaybeRvalue>
void function_construct(BOOST_FWD_REF(MaybeRvalue) x)
{
//Moves in case Convertible is boost::rv<movable> copies otherwise
//For C++0x perfect forwarding
MaybeMovableOnly m(boost::forward<MaybeRvalue>(x));
}
void forward_test()
{
movable m;
function_construct<movable>(boost::move(m));
// non_movable nm;
// function_construct<non_movable>(boost::move(nm));
// const non_movable cnm;
// function_construct<non_movable>(cnm);
}
int main()
{
catch_test();
forward_test();
return 0;
}
#include <boost/move/detail/config_end.hpp>