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32 lines
716 B
JavaScript
32 lines
716 B
JavaScript
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/* globals describe, it, beforeEach */
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'use strict'
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var mochi = require('mochi')
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var expect = mochi.expect
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var EventEmitter = require('events').EventEmitter
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describe('listenercount', function () {
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var listenerCount = require('../')
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var ee
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beforeEach(function () {
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ee = new EventEmitter()
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})
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it('counts 0', function () {
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expect(listenerCount(ee, 'event')).to.equal(0)
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})
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it('counts 1', function () {
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ee.on('event', function () {})
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expect(listenerCount(ee, 'event')).to.equal(1)
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})
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it('counts many', function () {
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ee.on('event', function () {})
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ee.on('event', function () {})
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ee.on('event', function () {})
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expect(listenerCount(ee, 'event')).to.equal(3)
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})
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})
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