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'use strict';
const common = require('../common');
const assert = require('assert');
const EventEmitter = require('events').EventEmitter;
const util = require('util');
util.inherits(MyEE, EventEmitter);
function MyEE(cb) {
this.once(1, cb);
this.emit(1);
this.removeAllListeners();
EventEmitter.call(this);
}
const myee = new MyEE(common.mustCall(function() {}));
util.inherits(ErrorEE, EventEmitter);
function ErrorEE() {
this.emit('error', new Error('blerg'));
}
assert.throws(function() {
new ErrorEE();
}, /blerg/);
process.on('exit', function() {
assert(!(myee._events instanceof Object));
assert.deepStrictEqual(Object.keys(myee._events), []);
console.log('ok');
});
function MyEE2() {
EventEmitter.call(this);
}
MyEE2.prototype = new EventEmitter();
const ee1 = new MyEE2();
const ee2 = new MyEE2();
ee1.on('x', function() {});
assert.equal(ee2.listenerCount('x'), 0);
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