public void CanGetRootValue()
        {
            Tree.Classes.Tree testTree = new Tree.Classes.Tree();

            testTree.Add(7);

            Assert.Equal(7, testTree.Root.Value);
        }
        public void CanAddChildNodes()
        {
            Tree.Classes.Tree testTree = new Tree.Classes.Tree(new Node(7));

            testTree.Add(9);
            testTree.Add(10);

            Assert.Equal(9, testTree.Root.LeftChild.Value);
        }