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- // (C) Copyright Edward Diener 2011-2015
- // Use, modification and distribution are subject to 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).
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/preprocessor/cat.hpp>
- #include <boost/preprocessor/control/if.hpp>
- #include <boost/preprocessor/tuple/elem.hpp>
- int main()
- {
-
- #if BOOST_PP_VARIADICS
- #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) \
- ) \
- /**/
- BOOST_TEST_EQ(TN_TEST_ONE(A,(1)),1);
- BOOST_TEST_EQ(TN_TEST_ONE(A,()),0);
-
- #else
- BOOST_ERROR("No variadic macro support");
-
- #endif /* BOOST_PP_VARIADICS */
- return boost::report_errors();
-
- }
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