| 345 | self.assertEqual(d.fromkeys(g()), {1:None}) |
| 346 | self.assertRaises(TypeError, {}.fromkeys, 3) |
| 347 | class dictlike(dict): pass |
| 348 | self.assertEqual(dictlike.fromkeys('a'), {'a':None}) |
| 349 | self.assertEqual(dictlike().fromkeys('a'), {'a':None}) |
| 350 | self.assertIsInstance(dictlike.fromkeys('a'), dictlike) |