ceph/src/boost/libs/vmd/test/test_array_to_tuple.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/array/to_tuple.hpp>
   8 #include <boost/vmd/is_empty.hpp>
   9 #include <boost/detail/lightweight_test.hpp>
  10 #include <boost/preprocessor/tuple/elem.hpp>
  11
  12 int main()
  13   {
  14
  15 #if BOOST_PP_VARIADICS
  16
  17   #define AN_ARRAY (4,(1,2,3,4))
  18   #define AN_EMPTY_ARRAY (0,())
  19
  20   BOOST_TEST_EQ(BOOST_PP_TUPLE_ELEM(1,BOOST_VMD_ARRAY_TO_TUPLE(AN_ARRAY)),2);
  21   BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_VMD_ARRAY_TO_TUPLE(AN_EMPTY_ARRAY)));
  22
  23 #else
  24
  25 BOOST_ERROR("No variadic macro support");
  26
  27 #endif
  28
  29   return boost::report_errors();
  30
  31   }