public void HandleNullHead()
{
var list = new CircularLinkedList();
list.InsertAtEnd(1);
var head = list.Head;
Assert.IsNotNull(head);
Assert.AreEqual(1, head.Value);
}
public void TrueSingleCircular()
{
var list = new CircularLinkedList();
list.InsertAtEnd(1);
Assert.IsTrue(list.Detect());
}
public void InsertValueOnlyOne()
{
var list = new CircularLinkedList();
list.InsertAtEnd(1);
list.InsertAtEnd(2);
var head = list.Head;
Assert.IsNotNull(head);
Assert.AreEqual(1, head.Value);
var next = head.Next;
Assert.IsNotNull(next);
Assert.AreEqual(2, next.Value);
var circular = next.Next;
Assert.IsNotNull(circular);
Assert.AreEqual(1, circular.Value);
}
public void TrueMultipleItemsCircular()
{
var list = new CircularLinkedList();
list.InsertAtEnd(1);
list.InsertAtEnd(2);
Assert.IsTrue(list.Detect());
}
public void InsertValueCircular()
{
var list = new CircularLinkedList();
list.InsertAtEnd(1);
list.InsertAtEnd(2);
list.InsertAtEnd(3);
var head = list.Head;
Assert.IsNotNull(head);
Assert.AreEqual(1, head.Value);
var second = head.Next;
Assert.IsNotNull(second);
Assert.AreEqual(2, second.Value);
var third = second.Next;
Assert.IsNotNull(third);
Assert.AreEqual(3, third.Value);
var circular = third.Next;
Assert.IsNotNull(circular);
Assert.AreEqual(1, circular.Value);
}