test/script/basic/JDK-8171219.js

changeset 2017
0ebfc2dd5e17
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/script/basic/JDK-8171219.js	Wed Jan 11 17:52:24 2017 +0100
     1.3 @@ -0,0 +1,57 @@
     1.4 +/*
     1.5 + * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + * 
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + * 
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + * 
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + * 
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * JDK-8171219: Missing checks in sparse array shift() implementation
    1.29 + *
    1.30 + * @test
    1.31 + * @run
    1.32 + */
    1.33 +
    1.34 +var a = [];
    1.35 +a[1048577] = 1;
    1.36 +a.shift();
    1.37 +a[1] = 2;
    1.38 +a.shift();
    1.39 +var ka = Object.keys(a);
    1.40 +Assert.assertTrue(ka.length === 2);
    1.41 +Assert.assertTrue(ka[0] === '0');
    1.42 +Assert.assertTrue(ka[1] === '1048575');
    1.43 +Assert.assertTrue(a.length === 1048576);
    1.44 +Assert.assertTrue(a[0] === 2);
    1.45 +Assert.assertTrue(a[1048575] = 1);
    1.46 +
    1.47 +var b = [];
    1.48 +b[1048577] = 1;
    1.49 +b.unshift(2);
    1.50 +b.shift();
    1.51 +b[1] = 3;
    1.52 +b.shift();
    1.53 +var kb = Object.keys(b);
    1.54 +Assert.assertTrue(kb.length === 2);
    1.55 +Assert.assertTrue(kb[0] === '0');
    1.56 +Assert.assertTrue(kb[1] === '1048576');
    1.57 +Assert.assertTrue(b.length === 1048577);
    1.58 +Assert.assertTrue(b[0] === 3);
    1.59 +Assert.assertTrue(b[1048576] = 1);
    1.60 +

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