| /* |
| * 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * 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); |
| |