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29 lines
813 B
29 lines
813 B
4 years ago
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'use strict';
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var EventEmitter = require('../');
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var assert = require('assert');
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var EE = new EventEmitter();
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var m = function() {};
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EE.on('foo', function() {});
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assert.equal(1, EE.eventNames().length);
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assert.equal('foo', EE.eventNames()[0]);
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EE.on('bar', m);
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assert.equal(2, EE.eventNames().length);
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assert.equal('foo', EE.eventNames()[0]);
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assert.equal('bar', EE.eventNames()[1]);
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EE.removeListener('bar', m);
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assert.equal(1, EE.eventNames().length);
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assert.equal('foo', EE.eventNames()[0]);
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if (typeof Symbol !== 'undefined') {
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var s = Symbol('s');
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EE.on(s, m);
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assert.equal(2, EE.eventNames().length);
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assert.equal('foo', EE.eventNames()[0]);
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assert.equal(s, EE.eventNames()[1]);
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EE.removeListener(s, m);
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assert.equal(1, EE.eventNames().length);
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assert.equal('foo', EE.eventNames()[0]);
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}
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