clsf.createSocket(host, port, address, PortUtil.findFreePort(host));
assertTrue(listener.visited());
listener.reset();
assertFalse(listener.visited());
clsf.createSocket(address, port);
assertTrue(listener.visited());
listener.reset();
assertFalse(listener.visited());
clsf.createSocket(address, port, address, PortUtil.findFreePort(host));