85 lines
2.9 KiB
Java
85 lines
2.9 KiB
Java
/*
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* Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4100814 7044282
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* @summary Make sure you can't create an array of dimension > 256.
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*/
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import java.lang.reflect.Array;
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public class ExceedMaxDim {
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public static void main(String[] args) throws Exception {
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newInstanceOne();
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newInstanceMulti();
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zeroDimension();
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}
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private static void newInstanceOne() throws Exception {
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Object o = getArrayOf256Dimensions();
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try {
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o = Array.newInstance(o.getClass(), 1);
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} catch (IllegalArgumentException iae) {
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System.out.println("success: newInstanceOne test");
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return;
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}
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throw new Exception("NewArray allowed dimensions > MAXDIM");
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}
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private static void newInstanceMulti() throws Exception {
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Object o = getArrayOf256Dimensions();
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try {
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o = Array.newInstance(o.getClass(), new int[] { 1, 1 });
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o = Array.newInstance(o.getClass(), new int[] { 1 });
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} catch (IllegalArgumentException iae) {
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System.out.println("success: newInstanceMulti test");
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return;
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}
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throw new Exception("MultiNewArray allowed dimensions > MAXDIM");
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}
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private static void zeroDimension() throws Exception {
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try {
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Array.newInstance(Integer.TYPE, new int[0]);
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} catch (IllegalArgumentException iae) {
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System.out.println("success: zeroDimension test");
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return;
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}
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throw new Exception("MultiNewArray allowed dimension == 0");
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}
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private static Object getArrayOf256Dimensions() {
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/* 1 dimension */
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Object o = Array.newInstance(Integer.TYPE, 0);
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/* 254 more dimension. */
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for (int i = 1; i <= 254; i++) {
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o = Array.newInstance(o.getClass(), 1);
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}
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/* 255 in all. */
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return o;
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}
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}
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