def test03_to_List(self):
binarytree = BinarySearchTree()
binarytree.setData(10)
binarytree.insert(17)
binarytree.insert(16)
binarytree.insert(14)
self.assertEqual(binarytree.toList(), [10, 14, 16, 17])
def test02_Incert(self):
binarytree = BinarySearchTree()
binarytree.setData(10)
binarytree.insert(17)
self.assertEqual(binarytree.size(), 2)
