{

static unsigned deletions;

dummy_class_tracks_deletions()

{

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

}

~dummy_class_tracks_deletions()

{

++deletions;

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

}

{

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

optr = none;

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

optr = in_place();

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

BOOST_TEST(optr->get() == 0);

this_thread::sleep(posix_time::seconds(5));

BOOST_TEST(optr->get() == 0);

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

{

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

dummy_class_tracks_deletions * pi = new dummy_class_tracks_deletions;

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

optr = in_place();

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

optr->reset(pi);

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

BOOST_TEST(optr->get() == pi);

thread t1(bind(&other_thread));

this_thread::sleep(posix_time::seconds(5));

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

BOOST_TEST(optr->get() == pi);

std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl;

t1.join();

return boost::report_errors();