ceph/src/boost/libs/vmd/test/test_tuple_to_array.cxx

   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/to_array.hpp>
   8 #include <boost/vmd/is_empty_array.hpp>
   9 #include <boost/detail/lightweight_test.hpp>
  10 #include <boost/preprocessor/array/elem.hpp>
  11
  12 int main()
  13   {
  14
  15 #if BOOST_PP_VARIADICS
  16
  17   #define A_TUPLE (1,2,3,4)
  18   #define AN_EMPTY_TUPLE
  19
  20   BOOST_TEST_EQ(BOOST_PP_ARRAY_ELEM(3,BOOST_VMD_TUPLE_TO_ARRAY(A_TUPLE)),4);
  21   BOOST_TEST(BOOST_VMD_IS_EMPTY_ARRAY(BOOST_VMD_TUPLE_TO_ARRAY(AN_EMPTY_TUPLE)));
  22
  23 #else
  24
  25 BOOST_ERROR("No variadic macro support");
  26
  27 #endif
  28
  29   return boost::report_errors();
  30
  31   }