void () { Clock.setTime(1); setContent(f, "1", TIMESTAMP_INCREMENT); Clock.setTime(2); setContent(f, "2", TIMESTAMP_INCREMENT * 2); Clock.setTime(3); setContent(f, "3", TIMESTAMP_INCREMENT * 3); getVcs().getChangeListInTests().purgeObsolete(2); assertContentAt(TIMESTAMP_INCREMENT, null); assertContentAt(TIMESTAMP_INCREMENT * 2, "2"); assertContentAt(TIMESTAMP_INCREMENT * 3, "3"); }