ceph/src/boost/libs/vmd/test/test_tuple_pop_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/pop_back.hpp>
   8 #include <boost/vmd/is_empty.hpp>
   9 #include <boost/preprocessor/tuple/elem.hpp>
  10 #include <boost/preprocessor/tuple/size.hpp>
  11 #include <boost/detail/lightweight_test.hpp>
  12
  13 int main()
  14   {
  15
  16 #if BOOST_PP_VARIADICS
  17
  18   #define A_TUPLE (1,2,3,4)
  19   #define AN_SE_TUPLE (1)
  20
  21   BOOST_TEST_EQ(BOOST_PP_TUPLE_ELEM(2,BOOST_VMD_TUPLE_POP_BACK(A_TUPLE)),3);
  22   BOOST_TEST_EQ(BOOST_PP_TUPLE_SIZE(BOOST_VMD_TUPLE_POP_BACK(A_TUPLE)),3);
  23   BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_VMD_TUPLE_POP_BACK(AN_SE_TUPLE)));
  24
  25 #else
  26
  27 BOOST_ERROR("No variadic macro support");
  28
  29 #endif
  30
  31   return boost::report_errors();
  32
  33   }