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35 changes: 19 additions & 16 deletions test/parallel/test-stdout-close-catch.js
Original file line number Diff line number Diff line change
@@ -1,27 +1,30 @@
'use strict';
var common = require('../common');
var assert = require('assert');
var path = require('path');
var child_process = require('child_process');
const common = require('../common');
const assert = require('assert');
const path = require('path');
const child_process = require('child_process');

var testScript = path.join(common.fixturesDir, 'catch-stdout-error.js');
const testScript = path.join(common.fixturesDir, 'catch-stdout-error.js');

var cmd = JSON.stringify(process.execPath) + ' ' +
JSON.stringify(testScript) + ' | ' +
JSON.stringify(process.execPath) + ' ' +
'-pe "process.stdin.on(\'data\' , () => process.exit(1))"';
const cmd = JSON.stringify(process.execPath) + ' ' +
JSON.stringify(testScript) + ' | ' +
JSON.stringify(process.execPath) + ' ' +
'-pe "process.stdin.on(\'data\' , () => process.exit(1))"';

var child = child_process.exec(cmd);
var output = '';
var outputExpect = { 'code': 'EPIPE',
'errno': 'EPIPE',
'syscall': 'write' };
const child = child_process.exec(cmd);
let output = '';
const outputExpect = {
code: 'EPIPE',
errno: 'EPIPE',
syscall: 'write'
};

child.stderr.on('data', function(c) {
output += c;
});

child.on('close', function(code) {

child.on('close', common.mustCall(function(code) {
try {
output = JSON.parse(output);
} catch (er) {
Expand All @@ -31,4 +34,4 @@ child.on('close', function(code) {

assert.deepStrictEqual(output, outputExpect);
console.log('ok');
});
}));