use async_ach_watch::Watch;
use core::time::Duration;
use futures_executor::ThreadPool;
use futures_util::StreamExt;

#[futures_test::test]
async fn test() {
    async_tick::auto_tick(Duration::from_millis(10));
    let executor = ThreadPool::new().unwrap();
    static WATCH: Watch<usize, 2> = Watch::new(0);
    executor.spawn_ok(async {
        let mut sub = WATCH.subscribe();
        let mut sub = sub.changed_interval(Duration::from_secs(1)..Duration::from_secs(3));
        assert_eq!(sub.next().await, Some(1));
        assert_eq!(sub.next().await, Some(3));
        assert_eq!(sub.next().await, Some(4));
        assert_eq!(sub.next().await, Some(4));
        std::process::exit(0);
    });
    async_tick::sleep(Duration::from_secs(1)).await;
    WATCH.send(1).await;
    async_tick::sleep(Duration::from_millis(100)).await;
    WATCH.send(2).await;
    async_tick::sleep(Duration::from_millis(100)).await;
    WATCH.send(3).await;
    async_tick::sleep(Duration::from_secs(2)).await;
    WATCH.send(4).await;
    async_tick::sleep(Duration::from_secs(10)).await;
}