### Question:
CSNGenerator { public void adjust(CSN number) { if (number==null) { synchronized(this) { lastTime = TimeThread.getTime(); seqnum = 0; } return; } long rcvdTime = number.getTime(); int changeServerId = number.getServerId(); int changeSeqNum = number.getSeqnum(); synchronized(this) { if (lastTime <= rcvdTime) { lastTime = ++rcvdTime; } if (serverId == changeServerId && seqnum < changeSeqNum) { seqnum = changeSeqNum; } } } CSNGenerator(int serverId, long timestamp);  CSNGenerator(int serverId, ServerState state); CSN newCSN(); void adjust(CSN number); void adjust(ServerState state);  }### Answer:
@Test public void adjustTest() { CSNGenerator generator = new CSNGenerator(5, TimeThread.getTime()); CSN csn = generator.newCSN(); CSN csn1 = new CSN(csn.getTime() + 5000, csn.getSeqnum(), 6); generator.adjust(csn1); CSN csn2 = generator.newCSN(); assertTrue(csn2.compareTo(csn1) > 0, "CSNGenerator generated an earlier CSN after calling the adjust method."); }