library/std/src/sys/sgx/waitqueue/spin_mutex/tests.rs

   1 #![allow(deprecated)]
   2
   3 use super::*;
   4 use crate::sync::Arc;
   5 use crate::thread;
   6 use crate::time::Duration;
   7
   8 #[test]
   9 fn sleep() {
  10     let mutex = Arc::new(SpinMutex::<i32>::default());
  11     let mutex2 = mutex.clone();
  12     let guard = mutex.lock();
  13     let t1 = thread::spawn(move || {
  14         *mutex2.lock() = 1;
  15     });
  16
  17     thread::sleep(Duration::from_millis(50));
  18
  19     assert_eq!(*guard, 0);
  20     drop(guard);
  21     t1.join().unwrap();
  22     assert_eq!(*mutex.lock(), 1);
  23 }