public void testIsRightChild()
        {
            BinaryTreeNode rootNode = new BinaryTreeNode(2);
            BinaryTreeNode leftChild = new BinaryTreeNode(1, rootNode);
            BinaryTreeNode rightChild = new BinaryTreeNode(3, rootNode);

            Assert.IsFalse(rootNode.isRightChild());
            Assert.IsFalse(leftChild.isRightChild());
            Assert.IsTrue(rightChild.isRightChild());
        }