use futures_cputask::async_task;
use futures::task::{FutureObj, Spawn};

#[async_task]
fn long_running_task() -> i64 {
    (0..100_000_000).fold(0i64, |a, b| a.wrapping_add(b))
}

async fn test_long_running_task() {
    assert_eq!(long_running_task().await, 4_999_999_950_000_000);
}

#[test]
fn test_main() {
    let mut pool = futures::executor::LocalPool::new();
    pool.run_until(test_long_running_task());
}