public void NoNodes_Nothing()
{
Node node = null;
node = DeleteNodeInLinkedListWithReturn.Delete(node, 0);
Assert.IsNull(node);
}
public void OnlyOneNode_Deleted()
{
Node node = new Node()
{
value = 1,
next = null,
};
node = DeleteNodeInLinkedListWithReturn.Delete(node, 1);
Assert.IsNull(node);
}
public void FirstNode_Deleted()
{
Node node = new Node()
{
value = 1,
next = new Node()
{
value = 2,
next = null,
},
};
node = DeleteNodeInLinkedListWithReturn.Delete(node, 1);
Assert.AreEqual(node.value, 2);
Assert.AreEqual(node.next, null);
}
public void RepeatedNodeWith3_Deleted()
{
Node node = new Node()
{
value = 1,
next = new Node()
{
value = 1,
next = new Node()
{
value = 1,
next = null,
},
},
};
node = DeleteNodeInLinkedListWithReturn.Delete(node, 1);
Assert.AreEqual(node.value, 1);
Assert.AreEqual(node.next.value, 1);
Assert.AreEqual(node.next.next, null);
}
