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var common = require('../common');
var assert = require('assert');
var events = require('events');
var count = 0;
function listener1() {
console.log('listener1');
count++;
}
function listener2() {
console.log('listener2');
count++;
}
function listener3() {
console.log('listener3');
count++;
}
var e1 = new events.EventEmitter();
e1.addListener('hello', listener1);
e1.removeListener('hello', listener1);
assert.deepEqual([], e1.listeners('hello'));
var e2 = new events.EventEmitter();
e2.addListener('hello', listener1);
e2.removeListener('hello', listener2);
assert.deepEqual([listener1], e2.listeners('hello'));
var e3 = new events.EventEmitter();
e3.addListener('hello', listener1);
e3.addListener('hello', listener2);
e3.removeListener('hello', listener1);
assert.deepEqual([listener2], e3.listeners('hello'));
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