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zip ignore capabilities

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[SVN r37149]
This commit is contained in:
Dan Marsden
2007-03-06 21:26:54 +00:00
parent 92e7e32ed8
commit fad42340ad
2 changed files with 59 additions and 0 deletions
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test/sequence/zip_view_ignore.cpp Normal file
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/*=============================================================================
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/sequence/container/vector.hpp>
#include <boost/fusion/sequence/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();
}