From 0a71625c492b6429293e7671bfbbec5ab63c7e02 Mon Sep 17 00:00:00 2001
From: Kyle Kosic <kylekosic@gmail.com>
Date: Sun, 29 Nov 2020 11:34:01 -0500
Subject: [PATCH] add test for regression with shutdown_timeout 0

---
 tokio/tests/rt_common.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tokio/tests/rt_common.rs b/tokio/tests/rt_common.rs
index 74a94d5b9d1..d8f57bac94a 100644
--- a/tokio/tests/rt_common.rs
+++ b/tokio/tests/rt_common.rs
@@ -857,6 +857,21 @@ rt_test! {
         Arc::try_unwrap(runtime).unwrap().shutdown_timeout(Duration::from_millis(100));
     }
 
+    #[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();