1#![warn(rust_2018_idioms)]
2#![cfg(feature = "full")]
3
4use tokio::io::AsyncReadExt;
5use tokio_test::assert_ok;
6
7#[tokio::test]
8async fn read_exact() {
9 let mut buf = Box::new([0; 8]);
10 let mut rd: &[u8] = b"hello world";
11
12 let n = assert_ok!(rd.read_exact(&mut buf[..]).await);
13 assert_eq!(n, 8);
14 assert_eq!(buf[..], b"hello wo"[..]);
15}
16