jdk8-mips64-public/nashorn: test/script/basic/JDK-8171219.js@41ac91662b75

     1 /*

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

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /**

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

    26  *

    27  * @test

    28  * @run

    29  */

    31 var a = [];

    32 a[1048577] = 1;

    33 a.shift();

    34 a[1] = 2;

    35 a.shift();

    36 var ka = Object.keys(a);

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

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

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

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

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

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

    44 var b = [];

    45 b[1048577] = 1;

    46 b.unshift(2);

    47 b.shift();

    48 b[1] = 3;

    49 b.shift();

    50 var kb = Object.keys(b);

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

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

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

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

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

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

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