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#![warn(rust_2018_idioms)]
use tokio::io::AsyncReadExt;
use tokio_test::assert_ok;
#[tokio::test]
async fn read_exact() {
let mut buf = Box::new([0; 8]);
let mut rd: &[u8] = b"hello world";
let n = assert_ok!(rd.read_exact(&mut buf[..]).await);
assert_eq!(n, 8);
assert_eq!(buf[..], b"hello wo"[..]);
}
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