public void DeleteTest()
{
AvlTree <int> tree = new AvlTree <int>();
tree.Append(20);
tree.Append(30);
tree.Append(40);
tree.Append(0);
tree.Append(10);
tree.Delete(40);
Assert.AreEqual(10, tree.GetRoot().GetValue());
Assert.AreEqual(30, tree.GetRoot().GetRight().GetValue());
Assert.DoesNotThrow(delegate
{
tree.Delete(40);
});
tree.Delete(0);
Assert.AreEqual(20, tree.GetRoot().GetValue());
Assert.AreEqual(30, tree.GetRoot().GetRight().GetValue());
Assert.AreEqual(10, tree.GetRoot().GetLeft().GetValue());
}
public void AppendTest()
{
AvlTree <int> tree = new AvlTree <int>();
tree.Append(20);
Assert.AreEqual(20, tree.GetRoot().GetValue());
tree.Append(30);
Assert.AreEqual(20, tree.GetRoot().GetValue());
Assert.AreEqual(30, tree.GetRoot().GetRight().GetValue());
tree.Append(40);
Assert.AreEqual(30, tree.GetRoot().GetValue());
tree.Append(0);
tree.Append(10);
Assert.AreEqual(10, tree.GetRoot().GetLeft().GetValue());
Assert.AreEqual(0, tree.GetRoot().GetLeft().GetLeft().GetValue());
Assert.AreEqual(20, tree.GetRoot().GetLeft().GetRight().GetValue());
}
