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// Copyright Aleksey Gurtovoy 2001-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id: single_view.cpp 49268 2008-10-11 06:26:17Z agurtovoy $
// $Date: 2008-10-10 23:26:17 -0700 (Fri, 10 Oct 2008) $
// $Revision: 49268 $
#include <boost/mpl/single_view.hpp>
#include <boost/mpl/advance.hpp>
#include <boost/mpl/size.hpp>
#include <boost/mpl/begin_end.hpp>
#include <boost/mpl/aux_/test.hpp>
MPL_TEST_CASE()
{
typedef single_view<int> view;
typedef begin<view>::type first;
typedef end<view>::type last;
MPL_ASSERT(( is_same< deref<first>::type, int > ));
MPL_ASSERT(( is_same< next<first>::type, last > ));
MPL_ASSERT(( is_same< prior<last>::type, first > ));
MPL_ASSERT(( is_same< mpl::advance<first, int_<0> >::type, first > ));
MPL_ASSERT(( is_same< mpl::advance<first, int_<1> >::type, last > ));
MPL_ASSERT(( is_same< mpl::advance<last, int_<0> >::type, last > ));
MPL_ASSERT(( is_same< mpl::advance<last, int_<-1> >::type, first > ));
MPL_ASSERT_RELATION( (mpl::distance<first,first>::value), ==, 0 );
MPL_ASSERT_RELATION( (mpl::distance<first,last>::value), ==, 1 );
MPL_ASSERT_RELATION( (mpl::distance<last,last>::value), ==, 0 );
MPL_ASSERT_RELATION( size<view>::value, ==, 1 );
}
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