test/built-ins/Object/defineProperty/15.2.3.6-4-163.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: 15.2.3.6-4-163
description: >
    Object.defineProperty - 'O' is an Array, 'name' is the length
    property of 'O', the [[Value]] field of 'desc' equals to value of
    the length property, test no TypeError is thrown when the length
    property is not writable (15.4.5.1 step 3.f.i)
includes: [runTestCase.js]
---*/

function testcase() {

        var arrObj = [];

        Object.defineProperty(arrObj, "length", {
            writable: false
        });

        try {
            Object.defineProperty(arrObj, "length", {
                value: 0
            });
            return true;
        } catch (e) {
            return false;
        }
    }
runTestCase(testcase);