189 lines
6.6 KiB
C++
189 lines
6.6 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/fusion/container/map.hpp>
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#include <boost/fusion/container/set.hpp>
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#include <boost/fusion/container/vector/vector.hpp>
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#include <boost/fusion/view/joint_view/joint_view.hpp>
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#include <boost/fusion/sequence/io/out.hpp>
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#include <boost/fusion/sequence/comparison/equal_to.hpp>
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#include <boost/fusion/container/generation/make_vector.hpp>
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#include <boost/fusion/sequence/intrinsic/at.hpp>
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#include <boost/fusion/sequence/intrinsic/has_key.hpp>
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#include <boost/fusion/sequence/intrinsic/begin.hpp>
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#include <boost/fusion/iterator/next.hpp>
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#include <boost/fusion/iterator/key_of.hpp>
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#include <boost/fusion/iterator/value_of.hpp>
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#include <boost/fusion/iterator/deref_data.hpp>
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#include <boost/mpl/assert.hpp>
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#include <string>
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struct X
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{
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operator char const*() const
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{
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return "<X-object>";
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}
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};
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int
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main()
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{
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using namespace boost::fusion;
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namespace fusion = boost::fusion;
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std::cout << tuple_open('[');
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std::cout << tuple_close(']');
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std::cout << tuple_delimiter(", ");
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/// Testing joint_view
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{
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vector<int> t1(3);
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vector<X> t2;
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typedef joint_view<vector<int>, vector<X> > view_type;
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view_type view(t1, t2);
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std::cout << view << std::endl;
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BOOST_TEST((view == make_vector(3, X())));
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}
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{
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vector<int, char> t1(3, 'x');
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vector<X> t2;
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typedef joint_view<vector<int, char>, vector<X> > view_type;
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view_type view(t1, t2);
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std::cout << view << std::endl;
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BOOST_TEST((view == make_vector(3, 'x', X())));
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*begin(view) = 4;
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BOOST_TEST(at_c<0>(t1) == 4);
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}
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{
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vector<int, char> t1(3, 'x');
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vector<X, int> t2;
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typedef joint_view<vector<int, char>, vector<X, int> > view_type;
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view_type view(t1, t2);
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std::cout << view << std::endl;
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BOOST_TEST((view == make_vector(3, 'x', X(), 0)));
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}
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{
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typedef vector<int> t1_type;
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t1_type t1(777);
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typedef vector<int, char, double> t2_type;
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t2_type t2(1, 'x', 3.3);
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{
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typedef joint_view<t1_type, t2_type> view_type;
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view_type view(t1, t2);
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std::cout << view << std::endl;
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BOOST_TEST((view == make_vector(777, 1, 'x', 3.3)));
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}
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{
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typedef joint_view<t2_type, t1_type> view_type;
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view_type view(t2, t1);
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std::cout << view << std::endl;
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BOOST_TEST((view == make_vector(1, 'x', 3.3, 777)));
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}
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{
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typedef joint_view<t2_type, t1_type> jv_type;
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typedef joint_view<jv_type, jv_type> jv2_type;
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jv_type jv(t2, t1);
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jv2_type jv2(jv, jv);
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std::cout << jv << std::endl;
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std::cout << jv2 << std::endl;
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BOOST_TEST(jv2
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== make_vector(1, 'x', 3.3, 777, 1, 'x', 3.3, 777));
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}
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{
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typedef joint_view<t2_type, t1_type> jt_type;
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typedef joint_view<t1_type, t2_type> jv2_type;
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typedef joint_view<jt_type, jv2_type> jv3_type;
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jt_type jt(t2, t1);
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jv2_type jv2(t1, t2);
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jv3_type jv3(jt, jv2);
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std::cout << jt << std::endl;
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std::cout << jv2 << std::endl;
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std::cout << jv3 << std::endl;
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BOOST_TEST(jv3
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== make_vector(1, 'x', 3.3, 777, 777, 1, 'x', 3.3));
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}
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{
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typedef joint_view<vector<>, t1_type> jt_type;
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vector<> empty;
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jt_type jt(empty, t1);
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std::cout << jt << std::endl;
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BOOST_TEST(jt == make_vector(777));
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}
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{
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typedef joint_view<t1_type, vector<> > jt_type;
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vector<> empty;
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jt_type jt(t1, empty);
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std::cout << jt << std::endl;
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BOOST_TEST(jt == make_vector(777));
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}
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{
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typedef joint_view<vector<>, vector<> > jt_type;
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vector<> empty;
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jt_type jt(empty, empty);
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std::cout << jt << std::endl;
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BOOST_TEST(jt == make_vector());
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}
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}
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{
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typedef map<pair<void,int> > map_type;
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map_type m(make_pair<void>(0));
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typedef set<std::string, float> set_type;
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set_type s("foo", 1.3f);
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typedef joint_view<map_type, set_type> joint_view_type;
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joint_view_type j(m,s);
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BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<joint_view_type, void>::type));
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BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<joint_view_type, std::string>::type));
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BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<joint_view_type, float>::type));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::begin<joint_view_type>::type>::type, void>));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::begin<joint_view_type>::type>::type>::type, std::string>));
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BOOST_MPL_ASSERT((boost::is_same<
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boost::fusion::result_of::key_of<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<joint_view_type>::type>::type>::type>::type
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, float>));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::begin<joint_view_type>::type>::type, int>));
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BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::begin<joint_view_type>::type>::type>::type, std::string>));
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BOOST_MPL_ASSERT((boost::is_same<
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boost::fusion::result_of::value_of_data<boost::fusion::result_of::next<boost::fusion::result_of::next<boost::fusion::result_of::begin<joint_view_type>::type>::type>::type>::type
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, float>));
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std::cout << deref_data(begin(j)) << std::endl;
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std::cout << deref_data(fusion::next(begin(j))) << std::endl;
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std::cout << deref_data(fusion::next(fusion::next(begin(j)))) << std::endl;
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BOOST_TEST((deref_data(begin(j)) == 0));
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BOOST_TEST((deref_data(fusion::next(begin(j))) == "foo"));
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BOOST_TEST((deref_data(fusion::next(fusion::next(begin(j)))) == 1.3f));
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}
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return boost::report_errors();
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}
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