test262/test/built-ins/Object/preventExtensions/15.2.3.10-3-10.js

22 lines
526 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.10-3-10
description: >
Object.preventExtensions - indexed properties cannot be added into
an Error object
includes: [propertyHelper.js]
---*/
var errObj = new Error();
assert(Object.isExtensible(errObj));
Object.preventExtensions(errObj);
assert(!Object.isExtensible(errObj));
verifyNotWritable(errObj, "0", "nocheck");
assert(!errObj.hasOwnProperty("0"));