def test_copy(self):
h = History([C, D, C], [C, C, C])
h2 = h.copy()
self.assertEqual(h, h2)
def test_eq(self):
h = History([C, D, C], [C, C, C])
with self.assertRaises(TypeError):
h == 2
def test_init(self):
h1 = History([C, C, D], [C, C, C])
self.assertEqual(list(h1), [C, C, D])
h1.extend([C, C], [D, D])
self.assertEqual(list(h1), [C, C, D, C, C])