| /*============================================================================= |
| Copyright (c) 2001-2007 Joel de Guzman |
| Copyright (c) 2007 Dan Marsden |
| |
| 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/vector.hpp> |
| #include <boost/fusion/view/zip_view.hpp> |
| #include <boost/fusion/support/unused.hpp> |
| #include <boost/fusion/iterator.hpp> |
| #include <boost/fusion/sequence/intrinsic.hpp> |
| |
| #include <boost/mpl/assert.hpp> |
| #include <boost/type_traits/is_same.hpp> |
| |
| int main() |
| { |
| using namespace boost::fusion; |
| { |
| typedef vector2<int,int> int_vector; |
| typedef vector2<char,char> char_vector; |
| typedef vector<int_vector&, unused_type const&, char_vector&> seqs_type; |
| typedef zip_view<seqs_type> view; |
| |
| int_vector iv(1,2); |
| char_vector cv('a','b'); |
| seqs_type seq(iv, unused, cv); |
| view v(seq); |
| |
| BOOST_TEST(at_c<0>(front(v)) == 1); |
| BOOST_TEST(at_c<2>(front(v)) == 'a'); |
| BOOST_TEST(at_c<0>(back(v)) == 2); |
| BOOST_TEST(at_c<2>(back(v)) == 'b'); |
| |
| typedef result_of::begin<view>::type first_iterator; |
| typedef result_of::value_of<first_iterator>::type first_element; |
| |
| typedef result_of::at_c<first_element, 0>::type e0; |
| typedef result_of::at_c<first_element, 2>::type e2; |
| BOOST_MPL_ASSERT((boost::is_same<e0, int&>)); |
| BOOST_MPL_ASSERT((boost::is_same<e2, char&>)); |
| |
| BOOST_TEST(size(front(v)) == 3); |
| |
| typedef result_of::value_at_c<view, 0>::type first_value_at; |
| typedef result_of::value_at_c<first_value_at, 0>::type v0; |
| typedef result_of::value_at_c<first_value_at, 2>::type v2; |
| |
| BOOST_MPL_ASSERT((boost::is_same<v0, int>)); |
| BOOST_MPL_ASSERT((boost::is_same<v2, char>)); |
| |
| BOOST_TEST(at_c<0>(at_c<0>(v)) == 1); |
| BOOST_TEST(at_c<2>(at_c<0>(v)) == 'a'); |
| } |
| return boost::report_errors(); |
| } |