15.2.3.6-4-166.js - mozsearch

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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: 15.2.3.6-4-166

description: >

    Object.defineProperty - 'O' is an Array, 'name' is the length

    property of 'O', the [[Value]] field of 'desc' is less than value

    of  the length property,  test the [[Writable]] attribute of the

    length property is set to true after deleting properties with

    large index named if the [[Writable]] field of 'desc' is true

    (15.4.5.1 step 3.h)

---*/

var arrObj = [0, 1];

Object.defineProperty(arrObj, "length", {

  value: 1,

  writable: true

});

var indexDeleted = !arrObj.hasOwnProperty("1");

arrObj.length = 10;

assert(indexDeleted, 'indexDeleted !== true');

assert.sameValue(arrObj.length, 10, 'arrObj.length');

reportCompare(0, 0);