@Test
public void basicUuidComperisonTest() {

    Random r = new Random(System.currentTimeMillis());
    for (int i = 0; i < 100000; i++) {
        long ts = System.currentTimeMillis() + 1000 * 60 * 60 * 24 * 365 * 10;
        long before = (long) (Math.random() * ts);
        long after = (long) (Math.random() * ts);
        if (before > after) {
            long tmp = after;
            after = before;
            before = tmp;
        }
        String beforeStr = UUIDConverter.fromTimeUUID(UUIDs.startOf(before));
        String afterStr = UUIDConverter.fromTimeUUID(UUIDs.startOf(after));
        if (afterStr.compareTo(beforeStr) < 0) {
            System.out.println("Before: " + before + " | " + beforeStr);
            System.out.println("After: " + after + " | " + afterStr);
        }
        Assert.assertTrue(afterStr.compareTo(beforeStr) >= 0);
    }
}