test: use ES6 to update let & const

Also updating assertStrict and moving the assert required.

PR-URL: https://github.com/nodejs/node/pull/9917
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>

1 files changed, 8 insertions, 8 deletions

diff --git a/test/parallel/test-child-process-stdout-flush-exit.js b/test/parallel/test-child-process-stdout-flush-exit.js
index b76a7cb5e5..9db74b51ce 100644
--- a/test/parallel/test-child-process-stdout-flush-exit.js
+++ b/test/parallel/test-child-process-stdout-flush-exit.js
@@ -1,23 +1,23 @@
 'use strict';
-var common = require('../common');
-var assert = require('assert');
+const common = require('../common');
+const assert = require('assert');
 
 // if child process output to console and exit
 if (process.argv[2] === 'child') {
   console.log('hello');
-  for (var i = 0; i < 200; i++) {
+  for (let i = 0; i < 200; i++) {
     console.log('filler');
   }
   console.log('goodbye');
   process.exit(0);
 } else {
   // parent process
-  var spawn = require('child_process').spawn;
+  const spawn = require('child_process').spawn;
 
   // spawn self as child
-  var child = spawn(process.argv[0], [process.argv[1], 'child']);
+  const child = spawn(process.argv[0], [process.argv[1], 'child']);
 
-  var stdout = '';
+  let stdout = '';
 
   child.stderr.setEncoding('utf8');
   child.stderr.on('data', function(data) {
@@ -32,7 +32,7 @@ if (process.argv[2] === 'child') {
   });
 
   child.on('close', common.mustCall(function() {
-    assert.equal(stdout.slice(0, 6), 'hello\n');
-    assert.equal(stdout.slice(stdout.length - 8), 'goodbye\n');
+    assert.strictEqual(stdout.slice(0, 6), 'hello\n');
+    assert.strictEqual(stdout.slice(stdout.length - 8), 'goodbye\n');
   }));
 }