public void NodeCompareToGreaterThan()
 {
     SinglyLinkedListNode node1 = new SinglyLinkedListNode("foo");
     SinglyLinkedListNode node2 = new SinglyLinkedListNode("bar");
     Assert.AreEqual(1, node1.CompareTo(node2));
 }
 public void NodeCompareToEqual()
 {
     SinglyLinkedListNode node1 = new SinglyLinkedListNode("foo");
     SinglyLinkedListNode node2 = new SinglyLinkedListNode("foo");
     Assert.AreEqual(0, node2.CompareTo(node1));
 }