Sha256: b01b3d73b69ad90a767d297f974dac435817c39e12556fa6a3e6c725dd84f706

Contents?: true

Size: 789 Bytes

Versions: 27

Compression:

Stored size: 789 Bytes

Contents

use futures::executor::block_on;
use futures::future::{self, BoxFuture, FutureExt};
use std::sync::mpsc;
use std::thread;

#[test]
fn lots() {
    #[cfg(not(futures_sanitizer))]
    const N: i32 = 1_000;
    #[cfg(futures_sanitizer)] // If N is many, asan reports stack-overflow: https://gist.github.com/taiki-e/099446d21cbec69d4acbacf7a9646136
    const N: i32 = 100;

    fn do_it(input: (i32, i32)) -> BoxFuture<'static, i32> {
        let (n, x) = input;
        if n == 0 {
            future::ready(x).boxed()
        } else {
            future::ready((n - 1, x + n)).then(do_it).boxed()
        }
    }

    let (tx, rx) = mpsc::channel();
    thread::spawn(|| block_on(do_it((N, 0)).map(move |x| tx.send(x).unwrap())));
    assert_eq!((0..=N).sum::<i32>(), rx.recv().unwrap());
}

Version data entries

27 entries across 27 versions & 1 rubygems

Version Path
wasmtime-30.0.2 ./ext/cargo-vendor/futures-0.3.31/tests/recurse.rs
wasmtime-29.0.0 ./ext/cargo-vendor/futures-0.3.31/tests/recurse.rs
wasmtime-28.0.0 ./ext/cargo-vendor/futures-0.3.31/tests/recurse.rs
wasmtime-27.0.0 ./ext/cargo-vendor/futures-0.3.31/tests/recurse.rs
wasmtime-26.0.0 ./ext/cargo-vendor/futures-0.3.31/tests/recurse.rs
wasmtime-25.0.2 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-25.0.1 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-25.0.0 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-24.0.0 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-23.0.2 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-22.0.0 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-21.0.1 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-20.0.2 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-20.0.0 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-18.0.3 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-17.0.1 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-17.0.0 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-16.0.0 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-15.0.1 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs
wasmtime-15.0.0 ./ext/cargo-vendor/futures-0.3.30/tests/recurse.rs