public static void AddFirstGetFirst()
{
CircularSinglelyLinkedList <string> myEmptyList = new CircularSinglelyLinkedList <string>();
string add = "Test";
myEmptyList.AddFirst(add);
Assert.AreEqual(myEmptyList.GetFirst(), add);
CircularSinglelyLinkedList <string> myStringList = new CircularSinglelyLinkedList <string>();
myStringList.AddFirst("Content");
myStringList.AddFirst("Content2");
add = "Test";
myStringList.AddFirst(add);
Assert.AreEqual(myStringList.GetFirst(), add);
}
public static void GetFirstEmpty()
{
CircularSinglelyLinkedList <string> myStringList = new CircularSinglelyLinkedList <string>();
Assert.Throws <NullReferenceException>(() => myStringList.GetFirst());
}
