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

52 lines
1.6 KiB
C++

//
// Copyright (C) 2013 Mateusz Loskot <mateusz@loskot.net>
//
// 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/config.hpp>
#ifdef BOOST_NO_CXX11_HDR_ARRAY
# error "does not meet requirements"
#endif
#ifdef BOOST_MSVC
#pragma warning(disable:4180)
#endif
#include <boost/detail/lightweight_test.hpp>
#include <boost/fusion/adapted/std_array.hpp>
#include <array>
#include <boost/fusion/sequence/intrinsic.hpp>
#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/support/is_view.hpp>
#include <boost/fusion/iterator.hpp>
#include <boost/mpl/assert.hpp>
int main()
{
using namespace boost::fusion;
typedef std::array<int,3> array_type;
BOOST_MPL_ASSERT((traits::is_sequence<array_type>));
BOOST_MPL_ASSERT_NOT((traits::is_view<array_type>));
BOOST_STATIC_ASSERT(traits::is_sequence<array_type>::value);
BOOST_STATIC_ASSERT(!traits::is_view<array_type>::value);
array_type arr = {{1,2,3}};
BOOST_TEST(*boost::fusion::begin(arr) == 1);
BOOST_TEST(*boost::fusion::next(boost::fusion::begin(arr)) == 2);
BOOST_TEST(*advance_c<2>(boost::fusion::begin(arr)) == 3);
BOOST_TEST(prior(boost::fusion::next(boost::fusion::begin(arr))) == boost::fusion::begin(arr));
BOOST_TEST(*prior(boost::fusion::end(arr)) == 3);
BOOST_TEST(at_c<2>(arr) == 3);
BOOST_TEST(boost::fusion::size(arr) == 3);
BOOST_TEST(distance(boost::fusion::begin(arr), boost::fusion::end(arr)) == 3);
return boost::report_errors();
}