public void InsertedToTailTwoNodes_ShouldBeInListInRightOrder()
{
var list = new DblLinkedList <int>();
list.InsertTail(DblLinkedList.CreateNode(1));
list.InsertTail(DblLinkedList.CreateNode(2));
list.Tail.Value.Should().Be(2);
list.Tail.Prev.Value.Should().Be(1);
}
public void InsertedToTailOfEmptyListNode_ShouldBeHeadOfList()
{
var list = new DblLinkedList <int>();
var node = DblLinkedList.CreateNode(1);
list.InsertTail(node);
list.Head.Should().Be(node);
}
public void ListAfterInsertingAndRemovingNode_ShouldBeEmpty()
{
var list = new DblLinkedList <int>();
var node = DblLinkedList.CreateNode(1);
list.InsertTail(node);
list.Remove(node);
list.IsEmpty().Should().BeTrue();
}
public void IterativeInsertTail_ShouldProduceCorrectList(IList <int> input)
{
var list = new DblLinkedList <int>();
foreach (var i in input)
{
list.InsertTail(DblLinkedList.CreateNode(i));
}
VerifyList(list, input);
}
public void InsertedAfterTailNode_ShouldBecomeTheTailOfList()
{
var list = new DblLinkedList <int>();
list.InsertTail(DblLinkedList.CreateNode(1));
var newNode = DblLinkedList.CreateNode(3);
list.InsertAfter(list.Tail, newNode);
list.Tail.Value.Should().Be(newNode.Value);
}
