| 1 | use tokio::sync::oneshot; |
| 2 | use tokio::task; |
| 3 | |
| 4 | async fn spawn_send() { |
| 5 | let (tx, rx) = oneshot::channel(); |
| 6 | |
| 7 | let task = tokio::spawn(async { |
| 8 | for _ in 0..10 { |
| 9 | task::yield_now().await; |
| 10 | } |
| 11 | |
| 12 | tx.send("done" ).unwrap(); |
| 13 | }); |
| 14 | |
| 15 | assert_eq!("done" , rx.await.unwrap()); |
| 16 | task.await.unwrap(); |
| 17 | } |
| 18 | |
| 19 | #[tokio::main(flavor = "current_thread" )] |
| 20 | async fn entry_point() { |
| 21 | spawn_send().await; |
| 22 | } |
| 23 | |
| 24 | #[tokio::test ] |
| 25 | async fn test_macro() { |
| 26 | spawn_send().await; |
| 27 | } |
| 28 | |
| 29 | #[test] |
| 30 | fn main_macro() { |
| 31 | entry_point(); |
| 32 | } |
| 33 | |
| 34 | #[test] |
| 35 | fn manual_rt() { |
| 36 | let rt = tokio::runtime::Builder::new_current_thread() |
| 37 | .build() |
| 38 | .unwrap(); |
| 39 | |
| 40 | rt.block_on(async { spawn_send().await }); |
| 41 | } |
| 42 | |