public void RemoveSpecificNodeDoesntExist()
{
LListSingle ll = new LListSingle();
Node first = new Node("First");
Node second = new Node("Second");
Node third = new Node("Third");
Node fourth = new Node("Fourth");
ll.Add(first);
ll.Add(second);
ll.Add(third);
ll.Add(fourth);
var removed = new Node("setup");
try
{
removed = ll.RemoveNode("Bob");
}
catch
{
removed = null;
}
Assert.Null(removed);
}
public void RemoveSpecificNodeFromFrontIfHead()
{
LListSingle ll = new LListSingle();
Node first = new Node("First");
Node second = new Node("Second");
Node third = new Node("Third");
ll.Add(first);
ll.Add(second);
ll.Add(third);
var removed = ll.RemoveNode("Third");
Assert.Equal(third, removed);
}
public void RemoveSpecificNodeFromList()
{
LListSingle ll = new LListSingle();
Node first = new Node("First");
Node second = new Node("Second");
Node third = new Node("Third");
Node fourth = new Node("Fourth");
ll.Add(first);
ll.Add(second);
ll.Add(third);
ll.Add(fourth);
var removed = ll.RemoveNode("Third");
Assert.Equal(third, removed);
Assert.Equal(second, ll.Head.Next);
}
