assertTrue( !ccs.put("foo", "bar", whileLocked, null, null, false) );
assertTrue( !ccs.put("foo", "bar", after, null, null, false) );
Thread.sleep(15);
long longAfter = cache.nextTimestamp();
assertTrue( ccs.put("foo", "baz", longAfter, null, null, false) );
assertTrue( ccs.get("foo", after)==null );
assertTrue( ccs.get("foo", whileLocked)==null );