mirror of https://github.com/rust-lang/rust
26 lines
634 B
Rust
26 lines
634 B
Rust
use core::task::{Poll, RawWaker, RawWakerVTable, Waker};
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#[test]
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fn poll_const() {
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// test that the methods of `Poll` are usable in a const context
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const POLL: Poll<usize> = Poll::Pending;
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const IS_READY: bool = POLL.is_ready();
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assert!(!IS_READY);
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const IS_PENDING: bool = POLL.is_pending();
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assert!(IS_PENDING);
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}
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#[test]
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fn waker_const() {
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const VOID_TABLE: RawWakerVTable = RawWakerVTable::new(|_| VOID_WAKER, |_| {}, |_| {}, |_| {});
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const VOID_WAKER: RawWaker = RawWaker::new(&(), &VOID_TABLE);
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static WAKER: Waker = unsafe { Waker::from_raw(VOID_WAKER) };
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WAKER.wake_by_ref();
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}
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