regress-315509-01.js

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

//-----------------------------------------------------------------------------

var BUGNUMBER = 315509;

var summary = 'Array.prototype.unshift on Arrays with holes';

var actual = '';

var expect = '';

printBugNumber(BUGNUMBER);

printStatus (summary);

var a = [0,1,2,3,4];

delete a[1];

expect = '0,,2,3,4';

actual = a.toString();

reportCompare(expect, actual, summary);

a.unshift('a','b');

expect = 'a,b,0,,2,3,4';

actual = a.toString();

reportCompare(expect, actual, summary);