def test_update_items(self):
class Dictish(object):
def items(self):
for x in ((0, 0), (1, 1), (2, 2)):
yield x
d = Dictish()
x = RedBlackTree()
x.update(d)
self.assertTrue(0 in x)
self.assertEqual(x[0], 0)
self.assertTrue(1 in x)
self.assertEqual(x[1], 1)
self.assertTrue(2 in x)
self.assertEqual(x[2], 2)
self.assertEqual(repr(x), "{0: 0, 1: 1, 2: 2}")
