cuprate/p2p/async-buffer/tests/basic.rs
2024-04-16 21:52:53 +01:00

37 lines
793 B
Rust

use futures::{FutureExt, StreamExt};
use async_buffer::new_buffer;
#[tokio::test]
async fn async_buffer_send_rec() {
let (mut tx, mut rx) = new_buffer(1000);
tx.send(4, 5).await.unwrap();
tx.send(8, 5).await.unwrap();
assert_eq!(rx.next().await.unwrap(), 4);
assert_eq!(rx.next().await.unwrap(), 8);
}
#[tokio::test]
async fn capacity_reached() {
let (mut tx, mut rx) = new_buffer(1000);
tx.send(4, 1000).await.unwrap();
assert!(tx.ready(1).now_or_never().is_none());
let fut = tx.ready(1);
rx.next().await;
assert!(fut.now_or_never().is_some());
}
#[tokio::test]
async fn single_item_over_capacity() {
let (mut tx, mut rx) = new_buffer(1000);
tx.send(4, 1_000_000).await.unwrap();
assert_eq!(rx.next().await.unwrap(), 4);
}