test262/test/built-ins/Object/isExtensible/15.2.3.13-2-25.js

20 lines
508 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.13-2-25
description: >
Object.isExtensible returns true if O is extensible and has a
prototype that is not extensible
---*/
var proto = {};
Object.preventExtensions(proto);
var ConstructFun = function() {};
ConstructFun.prototype = proto;
var obj = new ConstructFun();
assert(Object.isExtensible(obj), 'Object.isExtensible(obj) !== true');