(self)
| 47 | |
| 48 | class TestSuite(unittest.TestCase): |
| 49 | def setUp(self): |
| 50 | self.tree = bst() |
| 51 | self.tree.insert(9) |
| 52 | self.tree.insert(6) |
| 53 | self.tree.insert(12) |
| 54 | self.tree.insert(3) |
| 55 | self.tree.insert(8) |
| 56 | self.tree.insert(10) |
| 57 | self.tree.insert(15) |
| 58 | self.tree.insert(7) |
| 59 | self.tree.insert(18) |
| 60 | |
| 61 | def test_count_left_node(self): |
| 62 | self.assertEqual(4, count_left_node(self.tree.root)) |