File: task.rs

package info (click to toggle)
rustc-web 1.85.0%2Bdfsg3-1~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,759,988 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,056; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (36 lines) | stat: -rw-r--r-- 958 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
use alloc::rc::Rc;
use alloc::sync::Arc;
use alloc::task::{LocalWake, Wake};
use core::task::{LocalWaker, Waker};

#[test]
#[cfg_attr(miri, ignore)] // `will_wake` doesn't guarantee that this test will work, and indeed on Miri it can fail
fn test_waker_will_wake_clone() {
    struct NoopWaker;

    impl Wake for NoopWaker {
        fn wake(self: Arc<Self>) {}
    }

    let waker = Waker::from(Arc::new(NoopWaker));
    let clone = waker.clone();

    assert!(waker.will_wake(&clone));
    assert!(clone.will_wake(&waker));
}

#[test]
#[cfg_attr(miri, ignore)] // `will_wake` doesn't guarantee that this test will work, and indeed on Miri it can fail
fn test_local_waker_will_wake_clone() {
    struct NoopWaker;

    impl LocalWake for NoopWaker {
        fn wake(self: Rc<Self>) {}
    }

    let waker = LocalWaker::from(Rc::new(NoopWaker));
    let clone = waker.clone();

    assert!(waker.will_wake(&clone));
    assert!(clone.will_wake(&waker));
}