def test_simplest(self): self.assertEqual(set(), GameOfLife({(1, 1)}).advance(1))
def test_empty(self): self.assertEqual(set(), GameOfLife(set()).advance(1)) self.assertEqual(set(), GameOfLife(set()).advance(10)) self.assertEqual(set(), GameOfLife(set()).advance(100)) self.assertEqual(set(), GameOfLife(set()).advance(1000))