public void InvaliInput()
{
MyLinkedListNode node = null;
Assert.Throws <ArgumentNullException>(() => LastKstNodeInLinkedlist.Execute(ref node, 1));
MyLinkedListNode node1 = new MyLinkedListNode(23);
Assert.Throws <ArgumentException>(() => LastKstNodeInLinkedlist.Execute(ref node1, -1));
Assert.Throws <ArgumentException>(() => LastKstNodeInLinkedlist.Execute(ref node1, 0));
}
public void NormalLinkedList()
{
MyLinkedListNode head = new MyLinkedListNode(1);
MyLinkedListNode current = head;
int[] source = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
for (int i = 1; i < source.Length; i++)
{
current.Next = new MyLinkedListNode(source[i]);
current = current.Next;
}
Assert.Equal(1, LastKstNodeInLinkedlist.Execute(ref head, 9).Value);
Assert.Equal(5, LastKstNodeInLinkedlist.Execute(ref head, 5).Value);
Assert.Equal(7, LastKstNodeInLinkedlist.Execute(ref head, 3).Value);
Assert.Equal(9, LastKstNodeInLinkedlist.Execute(ref head, 1).Value);
Assert.Null(LastKstNodeInLinkedlist.Execute(ref head, 10));
Assert.Null(LastKstNodeInLinkedlist.Execute(ref head, 11));
}
public void SpecialTest()
{
MyLinkedListNode node = new MyLinkedListNode(23);
Assert.Equal(23, LastKstNodeInLinkedlist.Execute(ref node, 1).Value);
}