node/test/parallel/test-event-emitter-subclass.js
Rich Trott a7335bd1f0 test,benchmark: use deepStrictEqual()
In preparation for a lint rule that will enforce
assert.deepStrictEqual() over assert.deepEqual(), change tests and
benchmarks accordingly. For tests and benchmarks that are testing or
benchmarking assert.deepEqual() itself, apply a comment to ignore the
upcoming rule.

PR-URL: https://github.com/nodejs/node/pull/6213
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2016-04-22 14:38:09 -07:00

51 lines
921 B
JavaScript

'use strict';
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(!(myee._events instanceof Object));
assert.deepStrictEqual(Object.keys(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(ee2.listenerCount('x'), 0);