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41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
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// Copyright Aleksey Gurtovoy 2001-2004
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//
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// Distributed under the Boost Software License,Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/single_view.hpp>
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#include <boost/mpl/advance.hpp>
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#include <boost/mpl/size.hpp>
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#include <boost/mpl/begin_end.hpp>
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#include <boost/mpl/aux_/test.hpp>
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MPL_TEST_CASE()
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{
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typedef single_view<int> view;
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typedef begin<view>::type first;
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typedef end<view>::type last;
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MPL_ASSERT(( is_same< deref<first>::type, int > ));
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MPL_ASSERT(( is_same< next<first>::type, last > ));
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MPL_ASSERT(( is_same< prior<last>::type, first > ));
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MPL_ASSERT(( is_same< mpl::advance<first, int_<0> >::type, first > ));
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MPL_ASSERT(( is_same< mpl::advance<first, int_<1> >::type, last > ));
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MPL_ASSERT(( is_same< mpl::advance<last, int_<0> >::type, last > ));
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MPL_ASSERT(( is_same< mpl::advance<last, int_<-1> >::type, first > ));
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MPL_ASSERT_RELATION( (mpl::distance<first,first>::value), ==, 0 );
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MPL_ASSERT_RELATION( (mpl::distance<first,last>::value), ==, 1 );
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MPL_ASSERT_RELATION( (mpl::distance<last,last>::value), ==, 0 );
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MPL_ASSERT_RELATION( size<view>::value, ==, 1 );
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}
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