/*

 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 * 

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 * 

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 * 

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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/**

 * JDK-8171219: Missing checks in sparse array shift() implementation

 *

 * @test

 * @run

 */

var a = [];

a[1048577] = 1;

a.shift();

a[1] = 2;

a.shift();

var ka = Object.keys(a);

Assert.assertTrue(ka.length === 2);

Assert.assertTrue(ka[0] === '0');

Assert.assertTrue(ka[1] === '1048575');

Assert.assertTrue(a.length === 1048576);

Assert.assertTrue(a[0] === 2);

Assert.assertTrue(a[1048575] = 1);

var b = [];

b[1048577] = 1;

b.unshift(2);

b.shift();

b[1] = 3;

b.shift();

var kb = Object.keys(b);

Assert.assertTrue(kb.length === 2);

Assert.assertTrue(kb[0] === '0');

Assert.assertTrue(kb[1] === '1048576');

Assert.assertTrue(b.length === 1048577);

Assert.assertTrue(b[0] === 3);

Assert.assertTrue(b[1048576] = 1);