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- // Copyright Aleksey Gurtovoy 2000-2004
- //
- // 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/is_placeholder.hpp>
- #include <boost/mpl/placeholders.hpp>
- #include <boost/mpl/aux_/test.hpp>
- #include <boost/preprocessor/repeat.hpp>
- #include <boost/preprocessor/inc.hpp>
- #include <boost/preprocessor/cat.hpp>
-
- #define AUX_IS_PLACEHOLDER_TEST(unused1, n, unused2) \
- { MPL_ASSERT(( is_placeholder< \
- BOOST_PP_CAT(_,BOOST_PP_INC(n)) \
- > )); } \
- /**/
- MPL_TEST_CASE()
- {
- MPL_ASSERT_NOT(( is_placeholder<int> ));
- MPL_ASSERT_NOT(( is_placeholder<UDT> ));
- MPL_ASSERT_NOT(( is_placeholder<incomplete> ));
- MPL_ASSERT_NOT(( is_placeholder<abstract> ));
- MPL_ASSERT_NOT(( is_placeholder<noncopyable> ));
- MPL_ASSERT(( is_placeholder<_> ));
-
- BOOST_PP_REPEAT(
- BOOST_MPL_LIMIT_METAFUNCTION_ARITY
- , AUX_IS_PLACEHOLDER_TEST
- , unused
- )
- }
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