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46 lines
1.4 KiB
46 lines
1.4 KiB
3 years ago
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'use strict';
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var common = require('./common');
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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 handler = function() {};
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assert.strictEqual(ee.eventNames().length, 0);
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assert.strictEqual(ee._events.hasOwnProperty, undefined);
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assert.strictEqual(ee._events.toString, undefined);
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ee.on('__defineGetter__', handler);
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ee.on('toString', handler);
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ee.on('__proto__', handler);
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assert.strictEqual(ee.eventNames()[0], '__defineGetter__');
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assert.strictEqual(ee.eventNames()[1], 'toString');
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assert.strictEqual(ee.listeners('__defineGetter__').length, 1);
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assert.strictEqual(ee.listeners('__defineGetter__')[0], handler);
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assert.strictEqual(ee.listeners('toString').length, 1);
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assert.strictEqual(ee.listeners('toString')[0], handler);
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// Only run __proto__ tests if that property can actually be set
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if ({ __proto__: 'ok' }.__proto__ === 'ok') {
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assert.strictEqual(ee.eventNames().length, 3);
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assert.strictEqual(ee.eventNames()[2], '__proto__');
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assert.strictEqual(ee.listeners('__proto__').length, 1);
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assert.strictEqual(ee.listeners('__proto__')[0], handler);
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ee.on('__proto__', common.mustCall(function(val) {
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assert.strictEqual(val, 1);
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}));
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ee.emit('__proto__', 1);
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process.on('__proto__', common.mustCall(function(val) {
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assert.strictEqual(val, 1);
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}));
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process.emit('__proto__', 1);
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} else {
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console.log('# skipped __proto__')
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}
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