test/built-ins/Object/defineProperties/15.2.3.7-6-a-120.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-120
description: >
    Object.defineProperties - 'O' is an Array, 'P' is the length
    property of 'O', the [[Value]] field of 'desc' is absent, test
    updating the [[Writable]] attribute of the length property from
    true to false (15.4.5.1 step 3.a.i)
includes:
    - runTestCase.js
    - dataPropertyAttributesAreCorrect.js
---*/

function testcase() {

        var arr = [];

        try {
            Object.defineProperties(arr, {
                length: { writable: false }
            });

            return dataPropertyAttributesAreCorrect(arr, "length", 0, false, false, false);
        } catch (e) {
            return false;
        }
    }
runTestCase(testcase);