Method keys_helper

Lib/test/test_dbm.py:62–66

(self, f)

        f.close()

    def keys_helper(self, f):
        keys = sorted(k.decode("ascii") for k in f.keys())
        dkeys = sorted(self._dict.keys())
        self.assertEqual(keys, dkeys)
        return keys

    def test_error(self):
        self.assertIsSubclass(self.module.error, OSError)