ceph/src/boost/libs/describe/test/trailing_comma_test.cpp

   1 // Copyright 2021 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 #include <boost/describe/enumerators.hpp>
   6 #include <boost/describe/enum.hpp>
   7 #include <boost/core/lightweight_test.hpp>
   8
   9 #if defined(_MSC_VER)
  10 # pragma warning(disable: 4003) // not enough arguments for macro invocation
  11 #endif
  12
  13 enum E1 { a1, b1, c1, };
  14 BOOST_DESCRIBE_ENUM(E1, a1, b1, c1, )
  15
  16 BOOST_DEFINE_ENUM(E2, a2, b2, c2, )
  17
  18 #if !defined(BOOST_DESCRIBE_CXX14)
  19
  20 #include <boost/config/pragma_message.hpp>
  21
  22 BOOST_PRAGMA_MESSAGE("Skipping test because C++14 is not available")
  23 int main() {}
  24
  25 #else
  26
  27 #include <boost/mp11.hpp>
  28 using namespace boost::mp11;
  29
  30 int main()
  31 {
  32     {
  33         using D1 = boost::describe::describe_enumerators<E1>;
  34         BOOST_TEST_EQ( mp_size<D1>::value, 3 );
  35     }
  36
  37     {
  38         using D2 = boost::describe::describe_enumerators<E2>;
  39         BOOST_TEST_EQ( mp_size<D2>::value, 3 );
  40     }
  41
  42     return boost::report_errors();
  43 }
  44
  45 #endif // !defined(BOOST_DESCRIBE_CXX14)