yuzu/externals/vcpkg/buildtrees/boost-mpl/src/ost-1.79.0-b32ccae047.clean/test/joint_view.cpp
2022-11-05 15:35:56 +01:00

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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.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/joint_view.hpp>
#include <boost/mpl/range_c.hpp>
#include <boost/mpl/list.hpp>
#include <boost/mpl/equal.hpp>
#include <boost/mpl/size.hpp>
#include <boost/mpl/aux_/test.hpp>
MPL_TEST_CASE()
{
typedef joint_view<
range_c<int,0,10>
, range_c<int,10,15>
> numbers;
typedef range_c<int,0,15> answer;
MPL_ASSERT(( equal<numbers,answer> ));
MPL_ASSERT(( equal<numbers::type,answer> ));
MPL_ASSERT_RELATION( size<numbers>::value, ==, 15 );
}
template< typename View > struct test_is_empty
{
typedef typename begin<View>::type first_;
typedef typename end<View>::type last_;
MPL_ASSERT_RELATION( size<View>::value, ==, 0 );
MPL_ASSERT(( is_same< first_,last_> ));
MPL_ASSERT_INSTANTIATION( View );
MPL_ASSERT_INSTANTIATION( first_ );
MPL_ASSERT_INSTANTIATION( last_ );
};
MPL_TEST_CASE()
{
test_is_empty< joint_view< list0<>,list0<> > >();
test_is_empty< joint_view< list<>,list0<> > >();
test_is_empty< joint_view< list<>,list<> > >();
test_is_empty< joint_view< list<>, joint_view< list0<>,list0<> > > >();
}