Method test_close_flushes

Lib/test/test_io.py:756–760

(self)

        self._check_base_destructor(self.TextIOBase)

    def test_close_flushes(self):
        with self.open(os_helper.TESTFN, "wb") as f:
            f.write(b"xxx")
        with self.open(os_helper.TESTFN, "rb") as f:
            self.assertEqual(f.read(), b"xxx")

    def test_array_writes(self):
        a = array.array('i', range(10))