test262/test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-4.js

21 lines
553 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.4-2-4
description: >
Object.getOwnPropertyNames - returned array is the standard
built-in constructor
---*/
var oldArray = Array;
Array = function() {
throw new Error("invoke customer defined Array!");
};
var obj = {};
var result = Object.getOwnPropertyNames(obj);
assert.sameValue(Object.prototype.toString.call(result), "[object Array]", 'Object.prototype.toString.call(result)');