def test_lazy_items(self):
d = LazyDict()
d.set_stub(1, lambda x:x)
self.assertEqual(set(d.items()), {(1, 1)})
d = LazyDict({1:2})
d.set_stub(2, lambda x:x)
self.assertEqual(set(d.items()), {(1, 2), (2, 2)})
def test_items(self):
d = LazyDict()
self.assertEqual(set(d.items()), set())
d = LazyDict({1:2})
self.assertEqual(set(d.items()), {(1, 2)})
self.assertRaises(TypeError, d.items, None)
