root.initialize(mailbox, factory);
(new SetActor("sum")).send(future, root);
Sum sum = (Sum) (new ResolvePathname("0")).send(future, root);
IAdd iAdd = new IAdd(-1);
IGet iGet = new IGet(-1);
iAdd.send(future, sum);
IntegerJid ij0 = (IntegerJid) iGet.send(future, sum);
(new SetInteger(1)).send(future, ij0);
iAdd.send(future, sum);
IntegerJid ij1 = (IntegerJid) iGet.send(future, sum);
(new SetInteger(2)).send(future, ij1);