ceph/src/boost/libs/vmd/test/test_tuple_push_back.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/push_back.hpp>
   8 #include <boost/preprocessor/tuple/elem.hpp>
   9 #include <boost/preprocessor/tuple/size.hpp>
  10 #include <boost/detail/lightweight_test.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_TUPLE_ELEM(4,BOOST_VMD_TUPLE_PUSH_BACK(A_TUPLE,10)),10);
  21   BOOST_TEST_EQ(BOOST_PP_TUPLE_SIZE(BOOST_VMD_TUPLE_PUSH_BACK(A_TUPLE,10)),5);
  22   BOOST_TEST_EQ(BOOST_PP_TUPLE_ELEM(0,BOOST_VMD_TUPLE_PUSH_BACK(AN_EMPTY_TUPLE,20)),20);
  23   BOOST_TEST_EQ(BOOST_PP_TUPLE_SIZE(BOOST_VMD_TUPLE_PUSH_BACK(AN_EMPTY_TUPLE,20)),1);
  24
  25 #else
  26
  27 BOOST_ERROR("No variadic macro support");
  28
  29 #endif
  30
  31   return boost::report_errors();
  32
  33   }