/* * Copyright (c) 2003, 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 4771562 * @summary Verify that if ObjectInputStream.read(byte[], int, int) is called * with a null byte array and invalid offset/length values, a * NullPointerException is thrown rather than an * IndexOutOfBoundsException. */ import java.io.*; public class Test { public static void main(String[] args) throws Exception { ByteArrayOutputStream bout = new ByteArrayOutputStream(); ObjectOutputStream oout = new ObjectOutputStream(bout); byte[] b = new byte[10]; int[][] badBounds = { { -1, -1}, { -1, 5 }, { 5, -1 }, { 100, 5 }, { 5, 100 } }; for (int i = 0; i < badBounds.length; i++) { try { oout.write(null, badBounds[i][0], badBounds[i][1]); throw new Error(); } catch (NullPointerException e) { } } for (int i = 0; i < badBounds.length; i++) { try { oout.write(b, badBounds[i][0], badBounds[i][1]); throw new Error(); } catch (IndexOutOfBoundsException e) { } } oout.write(b); oout.flush(); ObjectInputStream oin = new ObjectInputStream( new ByteArrayInputStream(bout.toByteArray())); for (int i = 0; i < badBounds.length; i++) { try { oin.read(null, badBounds[i][0], badBounds[i][1]); throw new Error(); } catch (NullPointerException e) { } } for (int i = 0; i < badBounds.length; i++) { try { oin.read(b, badBounds[i][0], badBounds[i][1]); throw new Error(); } catch (IndexOutOfBoundsException e) { } } oin.read(b); } }