test_readline.py 文件源码

def test_alternate_eol(self):
        """Test readline with alternative eol settings (skipped for io based systems)"""
        if hasattr(self.s, 'xreadlines'):  # test if it is our FileLike base class
            self.s.write(serial.to_bytes("no\rno\nyes\r\n"))
            self.assertEqual(
                    self.s.readline(eol=serial.to_bytes("\r\n")),
                    serial.to_bytes("no\rno\nyes\r\n"))