| /* |
| * Copyright (c) 1998, 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 4100814 7044282 |
| * @summary Make sure you can't create an array of dimension > 256. |
| */ |
| |
| import java.lang.reflect.Array; |
| |
| public class ExceedMaxDim { |
| |
| public static void main(String[] args) throws Exception { |
| newInstanceOne(); |
| newInstanceMulti(); |
| zeroDimension(); |
| } |
| |
| private static void newInstanceOne() throws Exception { |
| Object o = getArrayOf256Dimensions(); |
| try { |
| o = Array.newInstance(o.getClass(), 1); |
| } catch (IllegalArgumentException iae) { |
| System.out.println("success: newInstanceOne test"); |
| return; |
| } |
| throw new Exception("NewArray allowed dimensions > MAXDIM"); |
| } |
| |
| private static void newInstanceMulti() throws Exception { |
| Object o = getArrayOf256Dimensions(); |
| try { |
| o = Array.newInstance(o.getClass(), new int[] { 1, 1 }); |
| o = Array.newInstance(o.getClass(), new int[] { 1 }); |
| } catch (IllegalArgumentException iae) { |
| System.out.println("success: newInstanceMulti test"); |
| return; |
| } |
| throw new Exception("MultiNewArray allowed dimensions > MAXDIM"); |
| } |
| |
| private static void zeroDimension() throws Exception { |
| try { |
| Array.newInstance(Integer.TYPE, new int[0]); |
| } catch (IllegalArgumentException iae) { |
| System.out.println("success: zeroDimension test"); |
| return; |
| } |
| throw new Exception("MultiNewArray allowed dimension == 0"); |
| } |
| |
| private static Object getArrayOf256Dimensions() { |
| /* 1 dimension */ |
| Object o = Array.newInstance(Integer.TYPE, 0); |
| |
| /* 254 more dimension. */ |
| for (int i = 1; i <= 254; i++) { |
| o = Array.newInstance(o.getClass(), 1); |
| } |
| |
| /* 255 in all. */ |
| return o; |
| } |
| } |