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 threading::level operations
8 
9 #include <boost/mpi.hpp>
10 #include <iostream>
11 #include <sstream>
12 
13 #define BOOST_TEST_MODULE mpi_mt_init
14 #include <boost/test/included/unit_test.hpp>
15 
16 namespace mpi = boost::mpi;
17 
18 void
test_mt_init(std::string s)19 test_mt_init(std::string s)
20 {
21   mpi::threading::level required = mpi::threading::level(-1);
22   std::istringstream in(s);
23   in >> required;
24   BOOST_CHECK(!in.bad());
25   BOOST_CHECK(mpi::environment::thread_level() >= mpi::threading::single);
26   BOOST_CHECK(mpi::environment::thread_level() <= mpi::threading::multiple);
27 }
28 
BOOST_AUTO_TEST_CASE(mt_init)29 BOOST_AUTO_TEST_CASE(mt_init)
30 {
31   mpi::environment env;
32   mpi::communicator comm;
33   test_mt_init("single");
34   test_mt_init("funneled");
35   test_mt_init("serialized");
36   test_mt_init("multiple");
37 }
38