Function serial_scratch

devices/src/legacy/serial.rs:536–549

()

    #[test]
    fn serial_scratch() {
        let intr_evt = EventFd::new(0).unwrap();
        let mut serial = Serial::new_sink(
            String::from(SERIAL_NAME),
            Arc::new(TestInterrupt::new(intr_evt.try_clone().unwrap())),
            None,
        );

        serial.write(0, SCR as u64, &[0x12]);

        let mut data = [0u8];
        serial.read(0, SCR as u64, &mut data[..]);
        assert_eq!(data[0], 0x12);
    }
}