// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.10-3-5 description: > Object.preventExtensions - indexed properties cannot be added into a String object ---*/ var strObj = new String(); var preCheck = Object.isExtensible(strObj); Object.preventExtensions(strObj); assert.throws(TypeError, function() { Object.defineProperty(strObj, "0", { value: "c" }); }); assert(preCheck, 'preCheck !== true'); assert.sameValue(strObj.hasOwnProperty("0"), false, 'strObj.hasOwnProperty("0")'); assert.sameValue(typeof strObj[0], "undefined", 'typeof strObj[0]'); reportCompare(0, 0);