'use strict'; require('../common'); var assert = require('assert'); if (process.argv[2] === 'child') process.stdout.end('foo'); else parent(); function parent() { var spawn = require('child_process').spawn; var child = spawn(process.execPath, [__filename, 'child']); var out = ''; var err = ''; child.stdout.setEncoding('utf8'); child.stderr.setEncoding('utf8'); child.stdout.on('data', function(c) { out += c; }); child.stderr.on('data', function(c) { err += c; }); child.on('close', function(code, signal) { assert(code); assert.equal(out, 'foo'); assert(/process\.stdout cannot be closed/.test(err)); console.log('ok'); }); }