runtime: test for shutdown_timeout(0) (#3196)

1 files changed, 15 insertions, 0 deletions

diff --git a/tokio/tests/rt_common.rs b/tokio/tests/rt_common.rs
index 74a94d5b..d8f57bac 100644
--- a/tokio/tests/rt_common.rs
+++ b/tokio/tests/rt_common.rs
@@ -858,6 +858,21 @@ rt_test! {
     }
 
     #[test]
+    fn shutdown_timeout_0() {
+        let runtime = rt();
+
+        runtime.block_on(async move {
+            task::spawn_blocking(move || {
+                thread::sleep(Duration::from_secs(10_000));
+            });
+        });
+
+        let now = Instant::now();
+        Arc::try_unwrap(runtime).unwrap().shutdown_timeout(Duration::from_nanos(0));
+        assert!(now.elapsed().as_secs() < 1);
+    }
+
+    #[test]
     fn shutdown_wakeup_time() {
         let runtime = rt();