time_throttle.rs - mozsearch

Enable keyboard shortcuts

#![warn(rust_2018_idioms)]

#![cfg(all(feature = "time", feature = "sync", feature = "io-util"))]

use tokio::time;

use tokio_stream::StreamExt;

use tokio_test::*;

use std::time::Duration;

#[tokio::test]

async fn usage() {

    time::pause();

    let mut stream = task::spawn(futures::stream::repeat(()).throttle(Duration::from_millis(100)));

    assert_ready!(stream.poll_next());

    assert_pending!(stream.poll_next());

    time::advance(Duration::from_millis(90)).await;

    assert_pending!(stream.poll_next());

    time::advance(Duration::from_millis(101)).await;

    assert!(stream.is_woken());

    assert_ready!(stream.poll_next());