tokio/tokio-buf/tests/chain.rs
2019-07-25 14:21:48 -04:00

39 lines
1.0 KiB
Rust

#![cfg(feature = "broken")]
#![cfg(feature = "util")]
use futures::Async::*;
use tokio_buf::{BufStream, BufStreamExt};
mod support;
use support::*;
#[test]
fn chain() {
// Chain one with one
//
let mut bs = one("hello").chain(one("world"));
assert_buf_eq!(bs.poll_buf(), "hello");
assert_buf_eq!(bs.poll_buf(), "world");
assert_none!(bs.poll_buf());
// Chain multi with multi
let mut bs = list(&["foo", "bar"]).chain(list(&["baz", "bok"]));
assert_buf_eq!(bs.poll_buf(), "foo");
assert_buf_eq!(bs.poll_buf(), "bar");
assert_buf_eq!(bs.poll_buf(), "baz");
assert_buf_eq!(bs.poll_buf(), "bok");
assert_none!(bs.poll_buf());
// Chain includes a not ready call
//
let mut bs = new_mock(&[Ok(Ready("foo")), Ok(NotReady), Ok(Ready("bar"))]).chain(one("baz"));
assert_buf_eq!(bs.poll_buf(), "foo");
assert_not_ready!(bs.poll_buf());
assert_buf_eq!(bs.poll_buf(), "bar");
assert_buf_eq!(bs.poll_buf(), "baz");
assert_none!(bs.poll_buf());
}