System.out.println("ac = " + ac);
for(Address suspected: Arrays.asList(two,three))
ac.suspect(suspected);
System.out.println("ac = " + ac);
assert ac.size() == 0;
assert ac.waitForAllAcks();
}
public void testRetainAll() {
final AckCollector ac=new AckCollector(list);
List<Address> members=Arrays.asList(one, two, three);