test262/test/suite/ch15/15.2/15.2.3/15.2.3.10/15.2.3.10-3-11.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms").   Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.

/*---
es5id: 15.2.3.10-3-11
description: >
    Object.preventExtensions - indexed properties cannot be added into
    an Arguments object
includes: [runTestCase.js]
---*/

function testcase() {
        var argObj;
        (function () {
            argObj = arguments;
        }());
        var preCheck = Object.isExtensible(argObj);
        Object.preventExtensions(argObj);

        argObj[0] = 12;
        return preCheck && !argObj.hasOwnProperty("0");
    }
runTestCase(testcase);