From 4309954187657bddc8daba59187a463d612cf3f9 Mon Sep 17 00:00:00 2001
From: Chris Denton <chris@chrisdenton.dev>
Date: Sat, 1 Jul 2023 01:34:06 +0100
Subject: [PATCH] Test Child::kill behaviour on exited process

---
 library/std/src/process/tests.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/library/std/src/process/tests.rs b/library/std/src/process/tests.rs
index d7f4d335de3e..e2c56e634d90 100644
--- a/library/std/src/process/tests.rs
+++ b/library/std/src/process/tests.rs
@@ -582,3 +582,11 @@ fn run_canonical_bat_script() {
     assert!(output.status.success());
     assert_eq!(String::from_utf8_lossy(&output.stdout).trim(), "Hello, fellow Rustaceans!");
 }
+
+#[test]
+fn terminate_exited_process() {
+    let mut p = known_command().arg("hello").spawn().unwrap();
+    p.wait().unwrap();
+    assert!(p.kill().is_ok());
+    assert!(p.kill().is_ok());
+}