1 files changed, 40 insertions, 0 deletions
diff --git a/third_party/rust/futures-0.1.29/tests/select_ok.rs b/third_party/rust/futures-0.1.29/tests/select_ok.rs
new file mode 100644
index 0000000000..85f39e2d39
--- /dev/null
+++ b/third_party/rust/futures-0.1.29/tests/select_ok.rs
@@ -0,0 +1,40 @@
+extern crate futures;
+
+use futures::future::*;
+
+#[test]
+fn ignore_err() {
+    let v = vec![
+        err(1),
+        err(2),
+        ok(3),
+        ok(4),
+    ];
+
+    let (i, v) = select_ok(v).wait().ok().unwrap();
+    assert_eq!(i, 3);
+
+    assert_eq!(v.len(), 1);
+
+    let (i, v) = select_ok(v).wait().ok().unwrap();
+    assert_eq!(i, 4);
+
+    assert!(v.is_empty());
+}
+
+#[test]
+fn last_err() {
+    let v = vec![
+        ok(1),
+        err(2),
+        err(3),
+    ];
+
+    let (i, v) = select_ok(v).wait().ok().unwrap();
+    assert_eq!(i, 1);
+
+    assert_eq!(v.len(), 2);
+
+    let i = select_ok(v).wait().err().unwrap();
+    assert_eq!(i, 3);
+}