Method test_copy_deepcopy_pickle

Lib/test/test_fractions.py:1185–1195

(self)

        self.assertAlmostEqual(math.cos(1), s)

    def test_copy_deepcopy_pickle(self):
        r = F(13, 7)
        dr = DummyFraction(13, 7)
        for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
            self.assertEqual(r, loads(dumps(r, proto)))
        self.assertEqual(id(r), id(copy(r)))
        self.assertEqual(id(r), id(deepcopy(r)))
        self.assertNotEqual(id(dr), id(copy(dr)))
        self.assertNotEqual(id(dr), id(deepcopy(dr)))
        self.assertTypedEquals(dr, copy(dr))
        self.assertTypedEquals(dr, deepcopy(dr))

    def test_slots(self):
        # Issue 4998