From 0ad4dd494a67a0fffc5a3e4df08f0c26cf074c59 Mon Sep 17 00:00:00 2001
From: joboet <jonasboettiger@icloud.com>
Date: Thu, 6 Oct 2022 22:46:47 +0200
Subject: [PATCH] std: add thread parking tests

---
 library/std/src/thread/tests.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/library/std/src/thread/tests.rs b/library/std/src/thread/tests.rs
index 130e47c8d44f..dfb8765ab4ee 100644
--- a/library/std/src/thread/tests.rs
+++ b/library/std/src/thread/tests.rs
@@ -244,6 +244,28 @@ fn test_try_panic_any_message_unit_struct() {
     }
 }
 
+#[test]
+fn test_park_unpark_before() {
+    for _ in 0..10 {
+        thread::current().unpark();
+        thread::park();
+    }
+}
+
+#[test]
+fn test_park_unpark_called_other_thread() {
+    for _ in 0..10 {
+        let th = thread::current();
+
+        let _guard = thread::spawn(move || {
+            super::sleep(Duration::from_millis(50));
+            th.unpark();
+        });
+
+        thread::park();
+    }
+}
+
 #[test]
 fn test_park_timeout_unpark_before() {
     for _ in 0..10 {