public void Test3()
{
int expected = -1;
var linkedList = new LinkedList();
Node repeatNode = new Node(null, 2);
var result = Class41.CycleLength(linkedList);
Assert.Equal(expected, result);
}
public void Test1()
{
int expected = 4;
var linkedList = new LinkedList();
Node repeatNode = new Node(null, 2);
linkedList.AppendLinkedList(new Node(null, 1));
linkedList.AppendLinkedList(repeatNode);
linkedList.AppendLinkedList(new Node(null, 3));
linkedList.AppendLinkedList(new Node(null, 4));
linkedList.AppendLinkedList(new Node(repeatNode, 5));
var result = Class41.CycleLength(linkedList);
Assert.Equal(expected, result);
}