def test_limit_works_on_extend(self):
q = BoundedPriorityQueue(2)
q.extend([DummyNode(1), DummyNode(1), DummyNode(1)])
self.assertEqual(len(q), 2)
def test_extend_works(self):
q = BoundedPriorityQueue()
q.extend([DummyNode(1), DummyNode(1)])
self.assertEqual(len(q), 2)