1 files changed, 88 insertions, 0 deletions
diff --git a/third_party/rust/futures-0.1.31/tests/futures_ordered.rs b/third_party/rust/futures-0.1.31/tests/futures_ordered.rs
new file mode 100644
index 0000000000..6054192e3b
--- /dev/null
+++ b/third_party/rust/futures-0.1.31/tests/futures_ordered.rs
@@ -0,0 +1,88 @@
+#![allow(bare_trait_objects, unknown_lints)]
+
+extern crate futures;
+
+use std::any::Any;
+
+use futures::sync::oneshot;
+use futures::stream::futures_ordered;
+use futures::prelude::*;
+
+mod support;
+
+#[test]
+fn works_1() {
+    let (a_tx, a_rx) = oneshot::channel::<u32>();
+    let (b_tx, b_rx) = oneshot::channel::<u32>();
+    let (c_tx, c_rx) = oneshot::channel::<u32>();
+
+    let stream = futures_ordered(vec![a_rx, b_rx, c_rx]);
+
+    let mut spawn = futures::executor::spawn(stream);
+    b_tx.send(99).unwrap();
+    assert!(spawn.poll_stream_notify(&support::notify_noop(), 0).unwrap().is_not_ready());
+
+    a_tx.send(33).unwrap();
+    c_tx.send(33).unwrap();
+    assert_eq!(Some(Ok(33)), spawn.wait_stream());
+    assert_eq!(Some(Ok(99)), spawn.wait_stream());
+    assert_eq!(Some(Ok(33)), spawn.wait_stream());
+    assert_eq!(None, spawn.wait_stream());
+}
+
+#[test]
+fn works_2() {
+    let (a_tx, a_rx) = oneshot::channel::<u32>();
+    let (b_tx, b_rx) = oneshot::channel::<u32>();
+    let (c_tx, c_rx) = oneshot::channel::<u32>();
+
+    let stream = futures_ordered(vec![
+        Box::new(a_rx) as Box<Future<Item = _, Error = _>>,
+        Box::new(b_rx.join(c_rx).map(|(a, b)| a + b)),
+    ]);
+
+    let mut spawn = futures::executor::spawn(stream);
+    a_tx.send(33).unwrap();
+    b_tx.send(33).unwrap();
+    assert!(spawn.poll_stream_notify(&support::notify_noop(), 0).unwrap().is_ready());
+    assert!(spawn.poll_stream_notify(&support::notify_noop(), 0).unwrap().is_not_ready());
+    c_tx.send(33).unwrap();
+    assert!(spawn.poll_stream_notify(&support::notify_noop(), 0).unwrap().is_ready());
+}
+
+#[test]
+fn from_iterator() {
+    use futures::future::ok;
+    use futures::stream::FuturesOrdered;
+
+    let stream = vec![
+        ok::<u32, ()>(1),
+        ok::<u32, ()>(2),
+        ok::<u32, ()>(3)
+    ].into_iter().collect::<FuturesOrdered<_>>();
+    assert_eq!(stream.len(), 3);
+    assert_eq!(stream.collect().wait(), Ok(vec![1,2,3]));
+}
+
+#[test]
+fn queue_never_unblocked() {
+    let (_a_tx, a_rx) = oneshot::channel::<Box<Any+Send>>();
+    let (b_tx, b_rx) = oneshot::channel::<Box<Any+Send>>();
+    let (c_tx, c_rx) = oneshot::channel::<Box<Any+Send>>();
+
+    let stream = futures_ordered(vec![
+        Box::new(a_rx) as Box<Future<Item = _, Error = _>>,
+        Box::new(b_rx.select(c_rx).then(|res| Ok(Box::new(res) as Box<Any+Send>))),
+    ]);
+
+    let mut spawn = futures::executor::spawn(stream);
+    for _ in 0..10 {
+        assert!(spawn.poll_stream_notify(&support::notify_noop(), 0).unwrap().is_not_ready());
+    }
+
+    b_tx.send(Box::new(())).unwrap();
+    assert!(spawn.poll_stream_notify(&support::notify_noop(), 0).unwrap().is_not_ready());
+    c_tx.send(Box::new(())).unwrap();
+    assert!(spawn.poll_stream_notify(&support::notify_noop(), 0).unwrap().is_not_ready());
+    assert!(spawn.poll_stream_notify(&support::notify_noop(), 0).unwrap().is_not_ready());
+}