From d15b1c44460be7afbcd9159f5089a6228c1e6e86 Mon Sep 17 00:00:00 2001
From: Zahidul Islam <zahidsharp@outlook.com>
Date: Sat, 22 Apr 2017 12:48:30 -0700
Subject: [PATCH] test: add mustCall in test-timers-clearImmediate

PR-URL: https://github.com/nodejs/node/pull/12598
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 test/parallel/test-timers-clearImmediate.js | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/test/parallel/test-timers-clearImmediate.js b/test/parallel/test-timers-clearImmediate.js
index c49fd7622f4ab6..ccd9826bb0c725 100644
--- a/test/parallel/test-timers-clearImmediate.js
+++ b/test/parallel/test-timers-clearImmediate.js
@@ -1,18 +1,13 @@
 'use strict';
-require('../common');
-const assert = require('assert');
+const common = require('../common');
 
 const N = 3;
-let count = 0;
+
 function next() {
-  const immediate = setImmediate(function() {
-    clearImmediate(immediate);
-    ++count;
-  });
+  const fn = common.mustCall(() => clearImmediate(immediate));
+  const immediate = setImmediate(fn);
 }
-for (let i = 0; i < N; ++i)
-  next();
 
-process.on('exit', () => {
-  assert.strictEqual(count, N, `Expected ${N} immediate callback executions`);
-});
+for (let i = 0; i < N; i++) {
+  next();
+}