diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
commit | 9918693037dce8aa4bb6f08741b6812923486c18 (patch) | |
tree | 21d2b40bec7e6a7ea664acee056eb3d08e15a1cf /tests/coverage/async_block.rs | |
parent | Releasing progress-linux version 1.75.0+dfsg1-5~progress7.99u1. (diff) | |
download | rustc-9918693037dce8aa4bb6f08741b6812923486c18.tar.xz rustc-9918693037dce8aa4bb6f08741b6812923486c18.zip |
Merging upstream version 1.76.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/coverage/async_block.rs')
-rw-r--r-- | tests/coverage/async_block.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/coverage/async_block.rs b/tests/coverage/async_block.rs new file mode 100644 index 000000000..9d8647bf1 --- /dev/null +++ b/tests/coverage/async_block.rs @@ -0,0 +1,35 @@ +#![feature(coverage_attribute)] +#![feature(noop_waker)] +// edition: 2021 + +fn main() { + for i in 0..16 { + let future = async { + if i >= 12 { + println!("big"); + } else { + println!("small"); + } + }; + executor::block_on(future); + } +} + +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 waker = Waker::noop(); + let mut context = Context::from_waker(&waker); + + loop { + if let Poll::Ready(val) = future.as_mut().poll(&mut context) { + break val; + } + } + } +} |