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

84 lines
2.5 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/adapter/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;
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;
}
};
int main()
{
test_func<noncopyable> f;
fusion::fused_function_object< test_func<> > fused_func;
fusion::fused_function_object< test_func<noncopyable> & > fused_func_ref(f);
fusion::fused_function_object< test_func<> const > fused_func_c;
fusion::fused_function_object< test_func<> > const fused_func_c2;
fusion::fused_function_object< test_func<noncopyable> const & > fused_func_c_ref(f);
fusion::vector<int,char> lv_vec(1,'\004');
BOOST_TEST(fused_func(lv_vec) == 1);
BOOST_TEST(fused_func_c(lv_vec) == 0);
BOOST_TEST(fused_func_c2(lv_vec) == 0);
BOOST_TEST(fused_func_ref(lv_vec) == 1);
BOOST_TEST(fused_func_c_ref(lv_vec) == 0);
BOOST_TEST(fused_func(fusion::make_vector(2,'\003')) == 1);
BOOST_TEST(fused_func_c(fusion::make_vector(2,'\003')) == 0);
BOOST_TEST(fused_func_c2(fusion::make_vector(2,'\003')) == 0);
BOOST_TEST(fused_func_ref(fusion::make_vector(2,'\003')) == 1);
BOOST_TEST(fused_func_c_ref(fusion::make_vector(2,'\003')) == 0);
return boost::report_errors();
}