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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/async.coverage
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@ -6,6 +6,9 @@
LL| |//@ edition: 2018
LL| |//@ compile-flags: -Copt-level=1
LL| |
LL| |//@ aux-build: executor.rs
LL| |extern crate executor;
LL| |
LL| 1|async fn c(x: u8) -> u8 {
LL| 1| if x == 8 {
LL| 1| 1
@ -100,22 +103,4 @@
LL| 1| let _ = m(5);
LL| 1| executor::block_on(future.as_mut());
LL| 1|}
LL| |
LL| |mod executor {
LL| | use core::future::Future;
LL| | use core::pin::pin;
LL| | use core::task::{Context, Poll, Waker};
LL| |
LL| | #[coverage(off)]
LL| | pub fn block_on<F: Future>(mut future: F) -> F::Output {
LL| | let mut future = pin!(future);
LL| | let mut context = Context::from_waker(Waker::noop());
LL| |
LL| | loop {
LL| | if let Poll::Ready(val) = future.as_mut().poll(&mut context) {
LL| | break val;
LL| | }
LL| | }
LL| | }
LL| |}