From 1467c964a4456cf1db4ed4fc16364c4a75a96277 Mon Sep 17 00:00:00 2001
From: lrlna <shestak.irina@gmail.com>
Date: Thu, 1 Dec 2016 12:04:27 -0600
Subject: [PATCH] test: increase coverage for timers
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Add a test for cancelling timers with null or no arguments.

PR-URL: https://github.com/nodejs/node/pull/10068
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
---
 ...t-timers-clear-null-does-not-throw-error.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/parallel/test-timers-clear-null-does-not-throw-error.js

diff --git a/test/parallel/test-timers-clear-null-does-not-throw-error.js b/test/parallel/test-timers-clear-null-does-not-throw-error.js
new file mode 100644
index 00000000000000..a15072a4c63f46
--- /dev/null
+++ b/test/parallel/test-timers-clear-null-does-not-throw-error.js
@@ -0,0 +1,18 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+
+// This test makes sure clearing timers with
+// 'null' or no input does not throw error
+
+assert.doesNotThrow(() => clearInterval(null));
+
+assert.doesNotThrow(() => clearInterval());
+
+assert.doesNotThrow(() => clearTimeout(null));
+
+assert.doesNotThrow(() => clearTimeout());
+
+assert.doesNotThrow(() => clearImmediate(null));
+
+assert.doesNotThrow(() => clearImmediate());