// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.10-3-6 description: > Object.preventExtensions - indexed properties cannot be added into a Boolean object includes: [propertyHelper.js] ---*/ var obj = new Boolean(true); assert(Object.isExtensible(obj)); Object.preventExtensions(obj); assert(!Object.isExtensible(obj)); verifyNotWritable(obj, "0", "nocheck"); assert(!obj.hasOwnProperty("0"));