Files
h2/tests/support/util.rs
2017-10-06 13:48:30 -07:00

47 lines
1.0 KiB
Rust

use h2::client;
use super::string::{String, TryFrom};
use bytes::Bytes;
use futures::{Async, Future, Poll};
pub fn byte_str(s: &str) -> String<Bytes> {
String::try_from(Bytes::from(s)).unwrap()
}
pub fn wait_for_capacity(stream: client::Stream<Bytes>, target: usize) -> WaitForCapacity {
WaitForCapacity {
stream: Some(stream),
target: target,
}
}
pub struct WaitForCapacity {
stream: Option<client::Stream<Bytes>>,
target: usize,
}
impl WaitForCapacity {
fn stream(&mut self) -> &mut client::Stream<Bytes> {
self.stream.as_mut().unwrap()
}
}
impl Future for WaitForCapacity {
type Item = client::Stream<Bytes>;
type Error = ();
fn poll(&mut self) -> Poll<Self::Item, ()> {
let _ = try_ready!(self.stream().poll_capacity().map_err(|_| panic!()));
let act = self.stream().capacity();
println!("CAP={:?}", act);
if act >= self.target {
return Ok(self.stream.take().unwrap().into());
}
Ok(Async::NotReady)
}
}