From a00eee37b490b89ac6038a9119a467b8adc4dbb4 Mon Sep 17 00:00:00 2001
From: ZYSzys <17367077526@163.com>
Date: Fri, 7 Sep 2018 10:47:15 +0800
Subject: test: test undefined in util

PR-URL: https://github.com/nodejs/node/pull/22741
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
---
 test/parallel/test-util.js | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'test/parallel/test-util.js')

diff --git a/test/parallel/test-util.js b/test/parallel/test-util.js
index 337cb789f7..2f91417d10 100644
--- a/test/parallel/test-util.js
+++ b/test/parallel/test-util.js
@@ -113,14 +113,17 @@ assert.strictEqual(util.isBoolean(false), true);
 assert.strictEqual(util.isBoolean('string'), false);
 
 assert.strictEqual(util.isNull(null), true);
+assert.strictEqual(util.isNull(undefined), false);
 assert.strictEqual(util.isNull(), false);
 assert.strictEqual(util.isNull('string'), false);
 
+assert.strictEqual(util.isUndefined(undefined), true);
 assert.strictEqual(util.isUndefined(), true);
 assert.strictEqual(util.isUndefined(null), false);
 assert.strictEqual(util.isUndefined('string'), false);
 
 assert.strictEqual(util.isNullOrUndefined(null), true);
+assert.strictEqual(util.isNullOrUndefined(undefined), true);
 assert.strictEqual(util.isNullOrUndefined(), true);
 assert.strictEqual(util.isNullOrUndefined('string'), false);
 
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