test262/test/built-ins/Object/isExtensible/15.2.3.13-2-23.js

13 lines
384 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.13-2-23
description: Object.isExtensible returns false if 'O' is not extensible
---*/
var obj = {};
Object.preventExtensions(obj);
assert.sameValue(Object.isExtensible(obj), false, 'Object.isExtensible(obj)');