From 64c26ab1eee35f1b28d2a942447d771171ded61e Mon Sep 17 00:00:00 2001
From: Carl Lerche <me@carllerche.com>
Date: Thu, 31 Oct 2019 22:28:31 -0700
Subject: [PATCH] runtime: test creating a single-threaded runtime. (#1717)

---
 tokio/tests/thread_pool.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tokio/tests/thread_pool.rs b/tokio/tests/thread_pool.rs
index e65f873c3..169c04fc8 100644
--- a/tokio/tests/thread_pool.rs
+++ b/tokio/tests/thread_pool.rs
@@ -15,6 +15,12 @@ use std::time::Duration;
 
 thread_local!(static FOO: Cell<u32> = Cell::new(0));
 
+#[test]
+fn single_thread() {
+    // No panic when starting a runtime w/ a single thread
+    let _ = Builder::new().num_threads(1).build();
+}
+
 #[test]
 fn shutdown_drops_futures() {
     for _ in 0..1_000 {