From c363495489a61e88856cc746a00e42f53d5c98c0 Mon Sep 17 00:00:00 2001
From: sreepurnajasti <sreepurna.jasti@gmail.com>
Date: Tue, 19 Dec 2017 11:44:04 +0530
Subject: [PATCH] test: Use common module API on child exec

---
 ...d-process-exec-stdout-stderr-data-string.js | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/test/parallel/test-child-process-exec-stdout-stderr-data-string.js b/test/parallel/test-child-process-exec-stdout-stderr-data-string.js
index 472d31f16ac920..1fbdfbf8e45b4d 100644
--- a/test/parallel/test-child-process-exec-stdout-stderr-data-string.js
+++ b/test/parallel/test-child-process-exec-stdout-stderr-data-string.js
@@ -4,20 +4,10 @@ const common = require('../common');
 const assert = require('assert');
 const exec = require('child_process').exec;
 
-let stdoutCalls = 0;
-let stderrCalls = 0;
-
 const command = common.isWindows ? 'dir' : 'ls';
-exec(command).stdout.on('data', (data) => {
-  stdoutCalls += 1;
-});
 
-exec('fhqwhgads').stderr.on('data', (data) => {
-  assert.strictEqual(typeof data, 'string');
-  stderrCalls += 1;
-});
+exec(command).stdout.on('data', common.mustCallAtLeast());
 
-process.on('exit', () => {
-  assert(stdoutCalls > 0);
-  assert(stderrCalls > 0);
-});
+exec('fhqwhgads').stderr.on('data', common.mustCallAtLeast((data) => {
+  assert.strictEqual(typeof data, 'string');
+}));