File size: 1,420 Bytes
1df763a
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
'use strict';

var common = require('./common');
var EventEmitter = require('../');
var assert = require('assert');

var ee = new EventEmitter();
var handler = function() {};

assert.strictEqual(ee.eventNames().length, 0);

assert.strictEqual(ee._events.hasOwnProperty, undefined);
assert.strictEqual(ee._events.toString, undefined);

ee.on('__defineGetter__', handler);
ee.on('toString', handler);
ee.on('__proto__', handler);

assert.strictEqual(ee.eventNames()[0], '__defineGetter__');
assert.strictEqual(ee.eventNames()[1], 'toString');

assert.strictEqual(ee.listeners('__defineGetter__').length, 1);
assert.strictEqual(ee.listeners('__defineGetter__')[0], handler);
assert.strictEqual(ee.listeners('toString').length, 1);
assert.strictEqual(ee.listeners('toString')[0], handler);

// Only run __proto__ tests if that property can actually be set
if ({ __proto__: 'ok' }.__proto__ === 'ok') {
  assert.strictEqual(ee.eventNames().length, 3);
  assert.strictEqual(ee.eventNames()[2], '__proto__');
  assert.strictEqual(ee.listeners('__proto__').length, 1);
  assert.strictEqual(ee.listeners('__proto__')[0], handler);

  ee.on('__proto__', common.mustCall(function(val) {
    assert.strictEqual(val, 1);
  }));
  ee.emit('__proto__', 1);

  process.on('__proto__', common.mustCall(function(val) {
    assert.strictEqual(val, 1);
  }));
  process.emit('__proto__', 1);
} else {
  console.log('# skipped __proto__')
}