public void List_CanMoveCyclicNodeFromHeadToSomewhereInTheMiddle()
{
var circular = new CircularLinkedList <int>();
circular.AddLast(30);
circular.AddLast(40);
circular.AddLast(50);
circular.ChangeCyclicNode(1);
var cyclic = circular.GetNodeWhereCycleBegins();
Assert.Equal(40, cyclic.Value);
}
public void List_CanMoveCyclicNodeFromHeadToTheEnd()
{
var circular = new CircularLinkedList <int>();
circular.AddLast(30);
circular.AddLast(40);
circular.AddLast(50);
circular.ChangeCyclicNode(2);
var cyclic = circular.GetNodeWhereCycleBegins();
Assert.Equal(50, cyclic.Value);
Assert.Equal(circular.TailNode, cyclic);
}
public void List_DeletingTheCyclicNodeMovesTheCyclicLinkToNextNode()
{
var circular = new CircularLinkedList <int>();
circular.AddLast(30);
circular.AddLast(40);
circular.AddLast(50);
circular.ChangeCyclicNode(1);
circular.RemoveAt(1);
var cyclic = circular.GetNodeWhereCycleBegins();
Assert.Equal(2, circular.Size);
Assert.Equal(circular.TailNode, cyclic);
Assert.Equal(circular.GetAt(1), cyclic);
}
