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

119 lines
4.2 KiB
C++

/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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/adapted/boost_tuple.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/sequence/intrinsic/front.hpp>
#include <boost/fusion/sequence/intrinsic/back.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/iterator/distance.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/container/list/list.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/container/vector/convert.hpp>
#include <boost/fusion/sequence/comparison/equal_to.hpp>
#include <boost/fusion/sequence/comparison/not_equal_to.hpp>
#include <boost/fusion/sequence/comparison/less.hpp>
#include <boost/fusion/sequence/comparison/less_equal.hpp>
#include <boost/fusion/sequence/comparison/greater.hpp>
#include <boost/fusion/sequence/comparison/greater_equal.hpp>
#include <boost/fusion/sequence/convert.hpp>
#include <boost/fusion/mpl.hpp>
#include <boost/fusion/support/is_view.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/mpl/is_sequence.hpp>
#include <boost/mpl/front.hpp>
#include <boost/mpl/assert.hpp>
#include <iostream>
#include <string>
int
main()
{
using namespace boost::fusion;
using namespace boost;
std::cout << tuple_open('[');
std::cout << tuple_close(']');
std::cout << tuple_delimiter(", ");
{
typedef boost::tuple<int, std::string> tuple_type;
BOOST_MPL_ASSERT_NOT((traits::is_view<tuple_type>));
BOOST_STATIC_ASSERT(!traits::is_view<tuple_type>::value);
tuple_type t(123, "Hola!!!");
std::cout << at_c<0>(t) << std::endl;
std::cout << at_c<1>(t) << std::endl;
std::cout << t << std::endl;
BOOST_TEST(t == make_vector(123, "Hola!!!"));
at_c<0>(t) = 6;
at_c<1>(t) = "mama mia";
BOOST_TEST(t == make_vector(6, "mama mia"));
BOOST_STATIC_ASSERT(boost::fusion::result_of::size<tuple_type>::value == 2);
BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<tuple_type>::value);
BOOST_TEST(front(t) == 6);
}
{
fusion::vector<int, float> v1(4, 3.3f);
boost::tuple<short, float> v2(5, 3.3f);
fusion::vector<long, double> v3(5, 4.4);
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 boost tuple to vector
fusion::vector<int, std::string> v(tuples::make_tuple(123, "Hola!!!"));
v = tuples::make_tuple(123, "Hola!!!");
}
{
// conversion from boost tuple to list
fusion::list<int, std::string> l(tuples::make_tuple(123, "Hola!!!"));
l = tuples::make_tuple(123, "Hola!!!");
}
{
// conversion vector to boost tuple
boost::tuple<int, std::string> t = convert<boost_tuple_tag>(make_vector(123, "Hola!!!"));
BOOST_TEST(get<0>(t) == 123);
BOOST_TEST(get<1>(t) == "Hola!!!");
}
{
// test from Ticket #1601, submitted by Shunsuke Sogame
// expanded by Stjepan Rajko
boost::tuple<int, char> t(3, 'a');
BOOST_TEST(0u == fusion::distance(fusion::begin(t), fusion::begin(t)));
BOOST_TEST(1u == fusion::distance(fusion::begin(t), fusion::next(fusion::begin(t))));
BOOST_TEST(2u == fusion::distance(fusion::begin(t), fusion::end(t)));
}
{
typedef boost::tuple<int, std::string> tuple_type;
BOOST_MPL_ASSERT((mpl::is_sequence<tuple_type>));
BOOST_MPL_ASSERT((boost::is_same<int, mpl::front<tuple_type>::type>));
}
return boost::report_errors();
}