1 files changed, 45 insertions, 0 deletions
diff --git a/third_party/rust/mio-extras/test/mod.rs b/third_party/rust/mio-extras/test/mod.rs
new file mode 100644
index 0000000000..217069466a
--- /dev/null
+++ b/third_party/rust/mio-extras/test/mod.rs
@@ -0,0 +1,45 @@
+extern crate mio;
+extern crate mio_extras;
+
+use mio::event::Event;
+use mio::{Events, Poll};
+use std::time::Duration;
+
+mod test_poll_channel;
+mod test_timer;
+
+pub fn expect_events(
+    poll: &Poll,
+    event_buffer: &mut Events,
+    poll_try_count: usize,
+    mut expected: Vec<Event>,
+) {
+    const MS: u64 = 1_000;
+
+    for _ in 0..poll_try_count {
+        poll.poll(event_buffer, Some(Duration::from_millis(MS)))
+            .unwrap();
+        for event in event_buffer.iter() {
+            let pos_opt = match expected.iter().position(|exp_event| {
+                (event.token() == exp_event.token())
+                    && event.readiness().contains(exp_event.readiness())
+            }) {
+                Some(x) => Some(x),
+                None => None,
+            };
+            if let Some(pos) = pos_opt {
+                expected.remove(pos);
+            }
+        }
+
+        if expected.is_empty() {
+            break;
+        }
+    }
+
+    assert!(
+        expected.is_empty(),
+        "The following expected events were not found: {:?}",
+        expected
+    );
+}