@Test
public void sequencerShouldReturnIntegerIncrementallyFrom0To255(){

    int pre = Sequencer.next();
    int cur;
    for (int i = 0; i < 10000; ++i){
        cur = Sequencer.next();
        Assert.assertTrue(cur >= 0);
        Assert.assertTrue(cur <= 255);
        if(pre == 255){
            pre = 0;
            Assert.assertEquals(0, cur);
        }else {
            Assert.assertEquals(1, cur - pre);
            pre = cur;
        }
    }
}