Method test_copy_reduce

Lib/test/test_copy.py:71–80

(self)

        self.assertEqual(c, [1])

    def test_copy_reduce(self):
        class C(object):
            def __reduce__(self):
                c.append(1)
                return ""
        c = []
        x = C()
        y = copy.copy(x)
        self.assertIs(y, x)
        self.assertEqual(c, [1])

    def test_copy_cant(self):
        class C(object):