From cc09876dac99f917f321f5c15e65c237dee7a92c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Jos=C3=A9?= <soyjuanarbol@gmail.com>
Date: Sat, 15 Oct 2022 15:47:39 -0500
Subject: [PATCH] test: improve test coverage for `os` package

PR-URL: https://github.com/nodejs/node/pull/44959
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 test/parallel/test-os-process-priority.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/parallel/test-os-process-priority.js b/test/parallel/test-os-process-priority.js
index c6fdbff9e554d9..2edabf53dff333 100644
--- a/test/parallel/test-os-process-priority.js
+++ b/test/parallel/test-os-process-priority.js
@@ -109,6 +109,14 @@ for (let i = PRIORITY_HIGHEST; i <= PRIORITY_LOW; i++) {
   checkPriority(process.pid, i);
 }
 
+{
+  assert.throws(() => { os.getPriority(-1); }, {
+    code: 'ERR_SYSTEM_ERROR',
+    message: /A system error occurred: uv_os_getpriority returned /,
+    name: 'SystemError'
+  });
+}
+
 
 function checkPriority(pid, expected) {
   const priority = os.getPriority(pid);