public void RemoveHead()
{
var linkedList = new DoublyLinkedList <int>();
linkedList.AddToBack(1);
linkedList.AddToBack(2);
linkedList.AddToBack(3);
Assert.IsTrue(linkedList.Count == 3);
Assert.IsTrue(linkedList.Contains(1));
Assert.IsTrue(linkedList.Contains(2));
Assert.IsTrue(linkedList.Contains(3));
Assert.IsTrue(linkedList.Head.Value.Equals(1));
Assert.IsTrue(linkedList.Tail.Value.Equals(3));
linkedList.Remove(1);
Assert.IsFalse(linkedList.Head.Equals(linkedList.Tail));
Assert.IsTrue(linkedList.Count == 2);
Assert.IsFalse(linkedList.Contains(1));
Assert.IsTrue(linkedList.Contains(2));
Assert.IsTrue(linkedList.Contains(3));
Assert.IsTrue(linkedList.Head.Value.Equals(2));
Assert.IsTrue(linkedList.Tail.Value.Equals(3));
}
public void CopyToArray()
{
var linkedList = new DoublyLinkedList <int>();
linkedList.AddToBack(1);
linkedList.AddToBack(2);
linkedList.AddToBack(3);
var sourceArray = new int[3];
linkedList.CopyTo(sourceArray, 0);
Assert.IsTrue(sourceArray[0] == 1);
Assert.IsTrue(sourceArray[1] == 2);
Assert.IsTrue(sourceArray[2] == 3);
}