79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2016 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/container.hpp>
|
|
#include <boost/fusion/sequence.hpp>
|
|
#include <boost/fusion/sequence/io/out.hpp>
|
|
#include <boost/fusion/iterator/equal_to.hpp>
|
|
#include <boost/fusion/adapted/struct/define_assoc_struct.hpp>
|
|
#include <boost/mpl/assert.hpp>
|
|
#include <boost/mpl/is_sequence.hpp>
|
|
#include <boost/static_assert.hpp>
|
|
#include <iostream>
|
|
|
|
BOOST_FUSION_DEFINE_ASSOC_STRUCT(BOOST_PP_EMPTY(), empty_struct, )
|
|
|
|
int
|
|
main()
|
|
{
|
|
using namespace boost;
|
|
using namespace boost::fusion;
|
|
|
|
std::cout << tuple_open('[');
|
|
std::cout << tuple_close(']');
|
|
std::cout << tuple_delimiter(", ");
|
|
|
|
{
|
|
BOOST_MPL_ASSERT_NOT((traits::is_view<empty_struct>));
|
|
BOOST_STATIC_ASSERT(!traits::is_view<empty_struct>::value);
|
|
empty_struct e;
|
|
|
|
std::cout << e << std::endl;
|
|
BOOST_TEST(e == make_vector());
|
|
|
|
BOOST_STATIC_ASSERT(fusion::result_of::size<empty_struct>::value == 0);
|
|
BOOST_STATIC_ASSERT(fusion::result_of::empty<empty_struct>::value);
|
|
}
|
|
|
|
{
|
|
vector<> v;
|
|
empty_struct e;
|
|
BOOST_TEST(v == e);
|
|
BOOST_TEST_NOT(v != e);
|
|
BOOST_TEST_NOT(v < e);
|
|
BOOST_TEST(v <= e);
|
|
BOOST_TEST_NOT(v > e);
|
|
BOOST_TEST(v >= e);
|
|
}
|
|
|
|
{
|
|
empty_struct e;
|
|
|
|
// conversion from empty_struct to vector
|
|
vector<> v(e);
|
|
v = e;
|
|
|
|
// conversion from empty_struct to list
|
|
//list<> l(e);
|
|
//l = e;
|
|
}
|
|
|
|
{ // begin/end
|
|
typedef fusion::result_of::begin<empty_struct>::type b;
|
|
typedef fusion::result_of::end<empty_struct>::type e;
|
|
|
|
BOOST_MPL_ASSERT((fusion::result_of::equal_to<b, e>));
|
|
}
|
|
|
|
BOOST_MPL_ASSERT((mpl::is_sequence<empty_struct>));
|
|
BOOST_MPL_ASSERT_NOT((fusion::result_of::has_key<empty_struct, void>));
|
|
BOOST_MPL_ASSERT_NOT((fusion::result_of::has_key<empty_struct, int>));
|
|
|
|
return boost::report_errors();
|
|
}
|