thread/test/test_move_function.cpp

// Copyright (C) 2007 Anthony Williams
//
//  Distributed under 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)
#include <boost/thread/thread.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/thread/mutex.hpp>

void do_nothing()
{}

void test_thread_move_from_lvalue_on_construction()
{
    boost::thread src(do_nothing);
    boost::thread::id src_id=src.get_id();
    boost::thread dest(boost::move(src));
    boost::thread::id dest_id=dest.get_id();
    BOOST_CHECK(src_id==dest_id);
    BOOST_CHECK(src.get_id()==boost::thread::id());
    dest.join();
}

void test_thread_move_from_rvalue_on_construction()
{
    boost::thread x(boost::move(boost::thread(do_nothing)));
    BOOST_CHECK(x.get_id()!=boost::thread::id());
    x.join();
}


void test_unique_lock_move_from_lvalue_on_construction()
{
    boost::mutex m;
    boost::unique_lock<boost::mutex> l(m);
    BOOST_CHECK(l.owns_lock());
    BOOST_CHECK(l.mutex()==&m);

    boost::unique_lock<boost::mutex> l2(boost::move(l));
    BOOST_CHECK(!l.owns_lock());
    BOOST_CHECK(!l.mutex());
    BOOST_CHECK(l2.owns_lock());
    BOOST_CHECK(l2.mutex()==&m);
}

boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
    boost::unit_test_framework::test_suite* test =
        BOOST_TEST_SUITE("Boost.Threads: thread move test suite");

    test->add(BOOST_TEST_CASE(test_thread_move_from_lvalue_on_construction));
    test->add(BOOST_TEST_CASE(test_thread_move_from_rvalue_on_construction));
    test->add(BOOST_TEST_CASE(test_unique_lock_move_from_lvalue_on_construction));
    return test;
}