Ticket #2151: enum_test.cpp

// Copyright (C) 2008 Trustees of Indiana University

// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

// A test of the transmission of enumeration values
#include <boost/mpi/communicator.hpp>
#include <boost/mpi/environment.hpp>
#include <boost/test/minimal.hpp>
#include <utility>

enum color_t { red, blue };

namespace boost { namespace mpi {
    template<> struct is_mpi_datatype<color_t> : mpl::true_ { };
} } // end namespace boost::mpi

int test_main(int argc, char* argv[])
{
  using namespace boost::mpi;
  environment env(argc, argv);

  communicator comm;
  color_t color = red;
  if (comm.rank() == 0) {
    comm.send(1, 0, red);
  } else {
    color_t recv_color;
    comm.recv(0, 0, recv_color);
    BOOST_CHECK(color == recv_color);
  }

  return 0;
}