'use strict'; // Test should fail in Node.js 5.4.1 and pass in later versions. const common = require('../common'); const assert = require('assert'); const cluster = require('cluster'); if (cluster.isMaster) { cluster.on('exit', (worker, code) => { assert.strictEqual(code, 0, `worker exited with code: ${code}, expected 0`); }); return cluster.fork(); } let eventFired = false; cluster.worker.disconnect(); process.nextTick(common.mustCall(() => { assert.strictEqual(eventFired, false, 'disconnect event should wait for ack'); })); cluster.worker.on('disconnect', common.mustCall(() => { eventFired = true; }));