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coverage: Extract executor::block_on from several async coverage tests

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By moving `block_on` to an auxiliary crate, we avoid having to keep a separate
copy of it in every async test.

(This also incorporates some small tweaks to the headers in `await_ready.rs`.)
This commit is contained in:
Zalathar 2024-09-06 15:41:10 +10:00
parent 304b7f801b
commit e96b4e479a
16 changed files with 142 additions and 277 deletions
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21
tests/coverage/async2.rs
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@ -2,6 +2,9 @@
#![feature(noop_waker)]
//@ edition: 2018
//@ aux-build: executor.rs
extern crate executor;
fn non_async_func() {
println!("non_async_func was covered");
let b = true;
@ -30,21 +33,3 @@ fn main() {
executor::block_on(async_func());
executor::block_on(async_func_just_println());
}
mod executor {
use core::future::Future;
use core::pin::pin;
use core::task::{Context, Poll, Waker};
#[coverage(off)]
pub fn block_on<F: Future>(mut future: F) -> F::Output {
let mut future = pin!(future);
let mut context = Context::from_waker(Waker::noop());
loop {
if let Poll::Ready(val) = future.as_mut().poll(&mut context) {
break val;
}
}
}
}