| /* |
| * 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. |
| */ |
| |
| /* @test |
| * @bug 8163518 |
| * @summary Integer overflow when skipping a lot |
| */ |
| |
| import java.io.CharArrayReader; |
| |
| public class OverflowInSkip { |
| public static void main(String[] args) throws Exception { |
| char[] a = "_123456789_123456789_123456789_123456789" |
| .toCharArray(); // a.length > 33 |
| try (CharArrayReader car = new CharArrayReader(a)) { |
| long small = 33; |
| long big = Long.MAX_VALUE; |
| |
| long smallSkip = car.skip(small); |
| if (smallSkip != small) |
| throw new Exception("Expected to skip " + small |
| + " chars, but skipped " + smallSkip); |
| |
| long expSkip = a.length - small; |
| long bigSkip = car.skip(big); |
| if (bigSkip != expSkip) |
| throw new Exception("Expected to skip " + expSkip |
| + " chars, but skipped " + bigSkip); |
| } |
| } |
| } |