1 2 // (C) Copyright Edward Diener 2015 3 // Use, modification and distribution are subject to the Boost Software License, 4 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt). 6 7 #include <boost/vmd/tuple/size.hpp> 8 #include <boost/detail/lightweight_test.hpp> 9 main()10int main() 11 { 12 13 #if BOOST_PP_VARIADICS 14 15 #define A_TUPLE (1,2,3,4) 16 #define AN_EMPTY_TUPLE 17 18 BOOST_TEST_EQ(BOOST_VMD_TUPLE_SIZE(A_TUPLE),4); 19 BOOST_TEST_EQ(BOOST_VMD_TUPLE_SIZE(AN_EMPTY_TUPLE),0); 20 21 #else 22 23 BOOST_ERROR("No variadic macro support"); 24 25 #endif 26 27 return boost::report_errors(); 28 29 } 30