51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
|
|
// (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();
|
|
|
|
}
|