ceph/src/boost/libs/mpi/test/version_test.cpp

   1 // Copyright (C) 2013 Alain Miniussi <alain.miniussi@oca.eu>
   2
   3 // Use, modification and distribution is subject to the Boost Software
   4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 // test mpi version
   8
   9 #include <boost/mpi/environment.hpp>
  10 #include <boost/mpi/communicator.hpp>
  11 #include <iostream>
  12
  13 #define BOOST_TEST_MODULE mpi_version
  14 #include <boost/test/included/unit_test.hpp>
  15
  16 namespace mpi = boost::mpi;
  17
  18 void
  19 test_version(mpi::communicator const& comm) {
  20 #if defined(MPI_VERSION)
  21   int mpi_version    = MPI_VERSION;
  22   int mpi_subversion = MPI_SUBVERSION;
  23 #else
  24   int mpi_version = 0;
  25   int mpi_subversion = 0;
  26 #endif
  27
  28   std::pair<int,int> version = mpi::environment::version();
  29   if (comm.rank() == 0) {
  30     std::cout << "MPI Version: " << version.first << ',' << version.second << '\n';
  31   }
  32   BOOST_CHECK(version.first == mpi_version);
  33   BOOST_CHECK(version.second == mpi_subversion);
  34 }
  35
  36 std::string
  37 yesno(bool b) {
  38   return b ? std::string("yes") : std::string("no");
  39 }
  40
  41 void
  42 report_features(mpi::communicator const& comm) {
  43   if (comm.rank() == 0) {
  44     std::cout << "Assuming working MPI_Improbe:" <<
  45 #if defined(BOOST_MPI_USE_IMPROBE)
  46       "yes" << '\n';
  47 #else
  48       "no"  << '\n';
  49 #endif
  50   }
  51 }
  52
  53 BOOST_AUTO_TEST_CASE(version)
  54 {
  55   mpi::environment env;
  56   mpi::communicator world;
  57
  58   test_version(world);
  59   report_features(world);
  60 }