#![cfg(not(target_os = "unknown"))] use async_std::{future::ready, task::block_on}; #[test] fn smoke() { let res = block_on(async { 1 + 2 }); assert_eq!(res, 3); } #[test] #[should_panic = "boom"] fn panic() { block_on(async { // This panic should get propagated into the parent thread. panic!("boom"); }); } #[cfg(feature = "unstable")] #[test] fn nested_block_on_local() { use async_std::task::spawn_local; let x = block_on(async { let a = block_on(async { block_on(async { ready(3).await }) }); let b = spawn_local(async { block_on(async { ready(2).await }) }).await; let c = block_on(async { block_on(async { ready(1).await }) }); a + b + c }); assert_eq!(x, 3 + 2 + 1); let y = block_on(async { let a = block_on(async { block_on(async { ready(3).await }) }); let b = spawn_local(async { block_on(async { ready(2).await }) }).await; let c = block_on(async { block_on(async { ready(1).await }) }); a + b + c }); assert_eq!(y, 3 + 2 + 1); } #[test] fn nested_block_on() { let x = block_on(async { let a = block_on(async { block_on(async { ready(3).await }) }); let b = block_on(async { block_on(async { ready(2).await }) }); let c = block_on(async { block_on(async { ready(1).await }) }); a + b + c }); assert_eq!(x, 3 + 2 + 1); let y = block_on(async { let a = block_on(async { block_on(async { ready(3).await }) }); let b = block_on(async { block_on(async { ready(2).await }) }); let c = block_on(async { block_on(async { ready(1).await }) }); a + b + c }); assert_eq!(y, 3 + 2 + 1); }