var common = require('../common'); var assert = require('assert'); var EventEmitter = require('events').EventEmitter; var util = require('util'); util.inherits(MyEE, EventEmitter); function MyEE(cb) { this.once(1, cb); this.emit(1); this.removeAllListeners(); EventEmitter.call(this); } var called = false; var myee = new MyEE(function() { called = true; }); util.inherits(ErrorEE, EventEmitter); function ErrorEE() { this.emit('error', new Error('blerg')); } assert.throws(function() { new ErrorEE(); }, /blerg/); process.on('exit', function() { assert(called); assert.deepEqual(myee._events, {}); console.log('ok'); }); function MyEE2() { EventEmitter.call(this); } MyEE2.prototype = new EventEmitter(); var ee1 = new MyEE2(); var ee2 = new MyEE2(); ee1.on('x', function () {}); assert.equal(EventEmitter.listenerCount(ee2, 'x'), 0);