()
| 423 | |
| 424 | #[test] |
| 425 | fn serial_input() { |
| 426 | let intr_evt = EventFd::new(0).unwrap(); |
| 427 | let serial_out = SharedBuffer::new(); |
| 428 | let mut serial = Serial::new_out( |
| 429 | String::from(SERIAL_NAME), |
| 430 | Arc::new(TestInterrupt::new(intr_evt.try_clone().unwrap())), |
| 431 | Box::new(serial_out), |
| 432 | None, |
| 433 | ); |
| 434 | |
| 435 | // write 1 to the interrupt event fd, so that read doesn't block in case the event fd |
| 436 | // counter doesn't change (for 0 it blocks) |
| 437 | intr_evt.write(1).unwrap(); |
| 438 | serial.write(0, IER as u64, &[IER_RECV_BIT]); |
| 439 | serial.queue_input_bytes(b"abc").unwrap(); |
| 440 | |
| 441 | assert_eq!(intr_evt.read().unwrap(), 2); |
| 442 | |
| 443 | // check if reading in a 2-length array doesn't have side effects |
| 444 | let mut data = [0u8, 0u8]; |
| 445 | serial.read(0, DATA as u64, &mut data[..]); |
| 446 | assert_eq!(data, [0u8, 0u8]); |
| 447 | |
| 448 | let mut data = [0u8]; |
| 449 | serial.read(0, LSR as u64, &mut data[..]); |
| 450 | assert_ne!(data[0] & LSR_DATA_BIT, 0); |
| 451 | serial.read(0, DATA as u64, &mut data[..]); |
| 452 | assert_eq!(data[0], b'a'); |
| 453 | serial.read(0, DATA as u64, &mut data[..]); |
| 454 | assert_eq!(data[0], b'b'); |
| 455 | serial.read(0, DATA as u64, &mut data[..]); |
| 456 | assert_eq!(data[0], b'c'); |
| 457 | |
| 458 | // check if reading from the largest u8 offset returns 0 |
| 459 | serial.read(0, 0xff, &mut data[..]); |
| 460 | assert_eq!(data[0], 0); |
| 461 | } |
| 462 | |
| 463 | #[test] |
| 464 | fn serial_thr() { |
nothing calls this directly
no test coverage detected