//! Verify that tasks get polled by the virtualdom properly, and that we escape wait_for_work safely #[cfg(not(miri))] #[tokio::test] async fn it_works() { use dioxus::prelude::*; use std::{sync::atomic::AtomicUsize, time::Duration}; static POLL_COUNT: AtomicUsize = AtomicUsize::new(0); fn app() -> Element { cx.use_hook(|| { cx.spawn(async { for x in 0..10 { tokio::time::sleep(Duration::from_micros(50)).await; POLL_COUNT.fetch_add(x, std::sync::atomic::Ordering::Relaxed); } }); cx.spawn(async { for x in 0..10 { tokio::time::sleep(Duration::from_micros(25)).await; POLL_COUNT.fetch_add(x * 2, std::sync::atomic::Ordering::Relaxed); } }); }); render!(()) } let mut dom = VirtualDom::new(app); let _ = dom.rebuild_to_vec(&mut dioxus_core::NoOpMutations); tokio::select! { _ = dom.wait_for_work() => {} _ = tokio::time::sleep(Duration::from_millis(500)) => {} }; // By the time the tasks are finished, we should've accumulated ticks from two tasks // Be warned that by setting the delay to too short, tokio might not schedule in the tasks assert_eq!( POLL_COUNT.fetch_add(0, std::sync::atomic::Ordering::Relaxed), 135 ); }