fusion/test/functional/make_fused_function_object.cpp
2014-11-09 00:49:29 +09:00

96 lines
2.6 KiB
C++

/*=============================================================================
Copyright (c) 2006-2007 Tobias Schwinger
Use modification and distribution are subject to 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/fusion/functional/generation/make_fused_function_object.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/noncopyable.hpp>
#include <boost/mpl/empty_base.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/container/vector.hpp>
namespace fusion = boost::fusion;
using boost::noncopyable;
using boost::cref;
using boost::ref;
template <class Base = boost::mpl::empty_base>
struct test_func
: Base
{
template<typename T>
struct result
{
};
template<class Self, typename T0, typename T1>
struct result< Self(T0, T1) >
{
typedef int type;
};
template <typename T0, typename T1>
int operator()(T0 const & x, T1 const & y) const
{
return 1+x-y;
}
template <typename T0, typename T1>
int operator()(T0 const & x, T1 const & y)
{
return 2+x-y;
}
template <typename T0, typename T1>
int operator()(T0 & x, T1 & y) const
{
return 3+x-y;
}
template <typename T0, typename T1>
int operator()(T0 & x, T1 & y)
{
return 4+x-y;
}
};
template <typename T>
inline T const & const_(T const & t)
{
return t;
}
int main()
{
fusion::vector<int,char> lv_vec(1,'\004');
test_func<> f;
test_func<noncopyable> f_nc;
boost::fusion::result_of::make_fused_function_object< test_func<> >::type fused_func
= fusion::make_fused_function_object(f);
BOOST_TEST(fused_func(lv_vec) == 1);
BOOST_TEST(const_(fused_func)(lv_vec) == 0);
BOOST_TEST(fusion::make_fused_function_object(const_(f))(lv_vec) == 1);
BOOST_TEST(fusion::make_fused_function_object(ref(f_nc))(lv_vec) == 1);
BOOST_TEST(fusion::make_fused_function_object(cref(f_nc))(lv_vec) == 0);
BOOST_TEST(fused_func(fusion::make_vector(2,'\003')) == 1);
BOOST_TEST(const_(fused_func)(fusion::make_vector(2,'\003')) == 0);
BOOST_TEST(fusion::make_fused_function_object(const_(f))(fusion::make_vector(2,'\003')) == 1);
BOOST_TEST(fusion::make_fused_function_object(ref(f_nc))(fusion::make_vector(2,'\003')) == 1);
BOOST_TEST(fusion::make_fused_function_object(cref(f_nc))(fusion::make_vector(2,'\003')) == 0);
return boost::report_errors();
}