summaryrefslogtreecommitdiff
path: root/test/parallel/test-events-list.js
blob: 4e589b07f2d60c5081b796b4b54c7c40ed976f51 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
'use strict';

require('../common');
const EventEmitter = require('events');
const assert = require('assert');

const EE = new EventEmitter();
const m = () => {};
EE.on('foo', () => {});
assert.deepStrictEqual(['foo'], EE.eventNames());
EE.on('bar', m);
assert.deepStrictEqual(['foo', 'bar'], EE.eventNames());
EE.removeListener('bar', m);
assert.deepStrictEqual(['foo'], EE.eventNames());
const s = Symbol('s');
EE.on(s, m);
assert.deepStrictEqual(['foo', s], EE.eventNames());
EE.removeListener(s, m);
assert.deepStrictEqual(['foo'], EE.eventNames());