Method check_io_encoding

Lib/test/test_utf8_mode.py:197–201

(self, module)

        self.assertEqual(out.lower(), f'{encoding}/{errors}')

    def check_io_encoding(self, module):
        self._check_io_encoding(module, encoding="latin1")
        self._check_io_encoding(module, errors="namereplace")
        self._check_io_encoding(module,
                                encoding="latin1", errors="namereplace")

    def test_io_encoding(self):
        self.check_io_encoding('io')