def test_len_on_clear(self): a = AVLTree() a[1] = 'a' a[2] = 'a' a[3] = 'a' a.clear() self.assertEqual(len(a), 0)
def test_clear_is_empty(self): a = AVLTree() a[1] = 'a' a[2] = 'a' a[3] = 'a' a.clear() with self.assertRaises(KeyError): _ = a[1] with self.assertRaises(KeyError): _ = a[2] with self.assertRaises(KeyError): _ = a[3]
def test_clear_empty(self): a = AVLTree() a.clear()