1 files changed, 25 insertions, 0 deletions
diff --git a/third_party/rust/futures-0.1.31/tests/recurse.rs b/third_party/rust/futures-0.1.31/tests/recurse.rs
new file mode 100644
index 0000000000..a521ed13b7
--- /dev/null
+++ b/third_party/rust/futures-0.1.31/tests/recurse.rs
@@ -0,0 +1,25 @@
+#![allow(bare_trait_objects, unknown_lints)]
+
+extern crate futures;
+
+use std::sync::mpsc::channel;
+
+use futures::future::ok;
+use futures::prelude::*;
+
+#[test]
+fn lots() {
+    fn doit(n: usize) -> Box<Future<Item=(), Error=()> + Send> {
+        if n == 0 {
+            Box::new(ok(()))
+        } else {
+            Box::new(ok(n - 1).and_then(doit))
+        }
+    }
+
+    let (tx, rx) = channel();
+    ::std::thread::spawn(|| {
+        doit(1_000).map(move |_| tx.send(()).unwrap()).wait()
+    });
+    rx.recv().unwrap();
+}