1 files changed, 23 insertions, 0 deletions
diff --git a/third_party/rust/futures-0.1.31/tests/inspect.rs b/third_party/rust/futures-0.1.31/tests/inspect.rs
new file mode 100644
index 0000000000..c16372ed91
--- /dev/null
+++ b/third_party/rust/futures-0.1.31/tests/inspect.rs
@@ -0,0 +1,23 @@
+extern crate futures;
+
+use futures::prelude::*;
+use futures::future::{ok, err};
+
+#[test]
+fn smoke() {
+    let mut counter = 0;
+
+    {
+        let work = ok::<u32, u32>(40).inspect(|val| { counter += *val; });
+        assert_eq!(work.wait(), Ok(40));
+    }
+
+    assert_eq!(counter, 40);
+
+    {
+        let work = err::<u32, u32>(4).inspect(|val| { counter += *val; });
+        assert_eq!(work.wait(), Err(4));
+    }
+
+    assert_eq!(counter, 40);
+}