test/built-ins/Object/defineProperties/15.2.3.7-6-a-307.js


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// 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: 15.2.3.7-6-a-307
description: >
    Object.defineProperties - 'O' is an Arguments object, 'P' is
    generic own data property of 'O', test TypeError is thrown when
    updating the [[Writable]] attribute value of 'P' which is not
    configurable (10.6 [[DefineOwnProperty]] step 4)
includes:
    - runTestCase.js
    - dataPropertyAttributesAreCorrect.js
---*/

function testcase() {
        var arg = (function () {
            return arguments;
        }(1, 2, 3));

        Object.defineProperty(arg, "genericProperty", {
            writable: false,
            configurable: false
        });

        try {
            Object.defineProperties(arg, {
                "genericProperty": {
                    writable: true
                }
            });

            return false;
        } catch (ex) {
            return ex instanceof TypeError &&
                dataPropertyAttributesAreCorrect(arg, "genericProperty", undefined, false, false, false);
        }
    }
runTestCase(testcase);