public void GetNext_ShouldWorkWithLayer1()
{
var counter = new Day3ZigZagCounter(1);
Assert.Equal(1, counter.getNext());
Assert.Equal(0, counter.getNext());
Assert.Equal(1, counter.getNext());
Assert.Equal(0, counter.getNext());
}
public void GetNext_ShouldStartWith1()
{
var counter = new Day3ZigZagCounter(4);
Assert.Equal(1, counter.getNext());
Assert.Equal(2, counter.getNext());
Assert.Equal(3, counter.getNext());
Assert.Equal(4, counter.getNext()); //go up to L
Assert.Equal(3, counter.getNext()); //then work back down again
Assert.Equal(2, counter.getNext());
Assert.Equal(1, counter.getNext());
Assert.Equal(0, counter.getNext());
Assert.Equal(1, counter.getNext()); //aaaand finally back up again.
Assert.Equal(2, counter.getNext());
Assert.Equal(3, counter.getNext());
}