test/built-ins/Object/defineProperty/15.2.3.6-4-275.js


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// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.6-4-275
description: >
    Object.defineProperty - 'O' is an Array, 'name' is an array index
    named property, test the length property of 'O' is set as
    ToUint32('name') + 1 if ToUint32('name') equals to value of the
    length property in 'O' (15.4.5.1 step 4.e.ii)
includes: [runTestCase.js]
---*/

function testcase() {

        var arrObj = [];
        arrObj.length = 3; // default value of length: writable: true, configurable: false, enumerable: false

        Object.defineProperty(arrObj, "3", {
            value: 3
        });

        return arrObj.length === 4 && arrObj[3] === 3;
    }
runTestCase(testcase);