preprocessor/test/tuple_elem_bug_test.cxx

39 lines
1.3 KiB
C++

# /* **************************************************************************
# * *
# * (C) Copyright Edward Diener 2014.
# * 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 for most recent version. */
#
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/control/if.hpp>
# include <boost/preprocessor/tuple.hpp>
# include <libs/preprocessor/test/test.h>
#define TN_GEN_ONE(p) (1)
#define TN_GEN_ZERO(p) (0)
#define TN_TEST_ONE_MORE(parameter,ens) \
BOOST_PP_IF \
( \
BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(1,0,ens),0), \
TN_GEN_ONE, \
TN_GEN_ZERO \
) \
(parameter) \
/**/
#define TN_TEST_ONE(parameter,ens) \
BOOST_PP_TUPLE_ELEM \
( \
1, \
0, \
TN_TEST_ONE_MORE(parameter,ens) \
) \
/**/
BEGIN TN_TEST_ONE(A,(1)) == 1 END
BEGIN TN_TEST_ONE(A,()) == 0 END