public void TestTwo()
{
Tree root = new Tree(1);
root.l = new Tree(2);
Assert.AreEqual(1, TreeHeight.HeightRecursiveZZ(root));
Assert.AreEqual(1, TreeHeight.HeightStackIterative(root));
}
public void TestOne()
{
Tree root = new Tree(1);
root.r = new Tree(2);
root.r.r = new Tree(5);
root.r.r.l = new Tree(3);
root.r.r.r = new Tree(6);
root.r.r.l.r = new Tree(4);
Assert.AreEqual(4, TreeHeight.HeightRecursive(root));
Assert.AreEqual(4, TreeHeight.HeightStackIterative(root));
}