fusion/test/sequence/define_tpl_struct_inline.cpp
2018-08-03 00:24:10 +03:00

139 lines
3.5 KiB
C++

/*=============================================================================
Copyright (c) 2010, 2012 Christopher Schmidt, nathan Ridge
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/sequence.hpp>
#include <boost/fusion/container.hpp>
#include <boost/fusion/support.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/adapted/struct/define_struct_inline.hpp>
#include <boost/preprocessor/empty.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/static_assert.hpp>
#include <iostream>
#include <string>
struct cls
{
BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE(
(X)(Y),
point,
(X, x)
(Y, y)
)
};
template <typename = int>
struct tpl_cls
{
BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE(
(X)(Y),
point,
(X, x)
(Y, y)
)
};
namespace ns
{
BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE((M), s, (M, m))
BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE((M), empty_struct, )
}
template <typename Point>
void run_test()
{
using namespace boost::fusion;
std::cout << tuple_open('[');
std::cout << tuple_close(']');
std::cout << tuple_delimiter(", ");
{
BOOST_STATIC_ASSERT(boost::fusion::result_of::size<ns::empty_struct<int> >::value == 0);
BOOST_STATIC_ASSERT(boost::fusion::result_of::empty<ns::empty_struct<int> >::value);
}
{
BOOST_MPL_ASSERT_NOT((traits::is_view<Point>));
BOOST_STATIC_ASSERT(!traits::is_view<Point>::value);
Point p(123, 456);
std::cout << at_c<0>(p) << std::endl;
std::cout << at_c<1>(p) << std::endl;
std::cout << p << std::endl;
BOOST_TEST(p == make_vector(123, 456));
at_c<0>(p) = 6;
at_c<1>(p) = 9;
BOOST_TEST(p == make_vector(6, 9));
BOOST_STATIC_ASSERT(boost::fusion::result_of::size<Point>::value == 2);
BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<Point>::value);
BOOST_TEST(front(p) == 6);
BOOST_TEST(back(p) == 9);
}
{
vector<int, float> v1(4, 2.f);
Point v2(5, 3);
vector<long, double> v3(5, 4.);
BOOST_TEST(v1 < v2);
BOOST_TEST(v1 <= v2);
BOOST_TEST(v2 > v1);
BOOST_TEST(v2 >= v1);
BOOST_TEST(v2 < v3);
BOOST_TEST(v2 <= v3);
BOOST_TEST(v3 > v2);
BOOST_TEST(v3 >= v2);
}
{
// conversion from Point to vector
Point p(5, 3);
vector<int, long> v(p);
v = p;
}
{
// conversion from Point to list
Point p(5, 3);
list<int, long> l(p);
l = p;
}
{ // begin/end
using namespace boost::fusion;
typedef boost::fusion::result_of::begin<ns::s<int> >::type b;
typedef boost::fusion::result_of::end<ns::s<int> >::type e;
// this fails
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::next<b>::type, e>));
}
{
Point p = make_list(5,3);
BOOST_TEST(p == make_vector(5,3));
p = make_list(3,5);
BOOST_TEST(p == make_vector(3,5));
}
}
int
main()
{
run_test<cls::point<int, int> >(); // test non-template enclosing class
run_test<tpl_cls<>::point<int, int> >(); // test template enclosing class
return boost::report_errors();
}