public void testRegularAndOOBMulticasts() throws Exception { DISCARD discard = new DISCARD(); ProtocolStack stack = a.getProtocolStack(); stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK2.class); a.setDiscardOwnMessages(true); Address dest = null; // send to all Message m1 = new Message(dest, null, 1); Message m2 = new Message(dest, null, 2); m2.setFlag(Message.OOB); Message m3 = new Message(dest, null, 3); MyReceiver receiver = new MyReceiver("C2"); b.setReceiver(receiver); a.send(m1); discard.setDropDownMulticasts(1); a.send(m2); a.send(m3); Util.sleep(500); Collection<Integer> list = receiver.getMsgs(); for (int i = 0; i < 10; i++) { System.out.println("list = " + list); if (list.size() == 3) break; Util.sleep(1000); // give the asynchronous msgs some time to be received sendStableMessages(a, b); } assert list.size() == 3 : "list is " + list; assert list.contains(1) && list.contains(2) && list.contains(3); }