From 9356e9667da8fabb99b0a0c2b15fb379bf25896f Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Sat, 10 Jun 2017 20:42:35 -0700
Subject: [PATCH] test: add mustCall() to child-process test
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Add common.mustCall() check to test-child-process-stdio-big-write-end.

PR-URL: https://github.com/nodejs/node/pull/13605
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 test/parallel/test-child-process-stdio-big-write-end.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/parallel/test-child-process-stdio-big-write-end.js b/test/parallel/test-child-process-stdio-big-write-end.js
index 5e32314cc87a33..71333bdbd534ab 100644
--- a/test/parallel/test-child-process-stdio-big-write-end.js
+++ b/test/parallel/test-child-process-stdio-big-write-end.js
@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 const assert = require('assert');
 let bufsize = 0;
 
@@ -22,10 +22,10 @@ function parent() {
   child.stdout.on('data', function(c) {
     n += c;
   });
-  child.stdout.on('end', function() {
+  child.stdout.on('end', common.mustCall(function() {
     assert.strictEqual(+n, sent);
     console.log('ok');
-  });
+  }));
 
   // Write until the buffer fills up.
   let buf;