loom_shutdown_join.rs

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use crate::runtime::{Builder, Handle};

#[test]

fn join_handle_cancel_on_shutdown() {

    let mut builder = loom::model::Builder::new();

    builder.preemption_bound = Some(2);

    builder.check(|| {

        use futures::future::FutureExt;

        let rt = Builder::new_multi_thread()

            .worker_threads(2)

            .build()

            .unwrap();

        let handle = rt.block_on(async move { Handle::current() });

        let jh1 = handle.spawn(futures::future::pending::<()>());

        drop(rt);

        let jh2 = handle.spawn(futures::future::pending::<()>());

        let err1 = jh1.now_or_never().unwrap().unwrap_err();

        let err2 = jh2.now_or_never().unwrap().unwrap_err();

        assert!(err1.is_cancelled());

        assert!(err2.is_cancelled());

});