Files
tokio/tokio/tests/io_read_until.rs
T
Carl Lerche 987ba7373c io: move into tokio crate (#1691)
A step towards collapsing Tokio sub crates into a single `tokio`
crate (#1318).

The `io` implementation is now provided by the main `tokio` crate.
Functionality can be opted out of by using the various net related
feature flags.
2019-10-26 08:02:49 -07:00

23 lines
567 B
Rust

#![warn(rust_2018_idioms)]
use tokio::io::AsyncBufReadExt;
use tokio_test::assert_ok;
#[tokio::test]
async fn read_until() {
let mut buf = vec![];
let mut rd: &[u8] = b"hello world";
let n = assert_ok!(rd.read_until(b' ', &mut buf).await);
assert_eq!(n, 6);
assert_eq!(buf, b"hello ");
buf.clear();
let n = assert_ok!(rd.read_until(b' ', &mut buf).await);
assert_eq!(n, 5);
assert_eq!(buf, b"world");
buf.clear();
let n = assert_ok!(rd.read_until(b' ', &mut buf).await);
assert_eq!(n, 0);
assert_eq!(buf, []);
}