/* * Copyright (c) 1999, 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 4176379 @summary Ensure that FilterOutputStream.write(byte[], int, int) with negative len, throws appropriate exception. */ import java.io.*; public class BoundsCheck { static class DummyFilterStream extends FilterOutputStream { public DummyFilterStream(OutputStream o) { super(o); } public void write(int val) throws IOException { super.write(val + 1); } } public static void main(String[] args) throws Exception { byte data[] = {90, 91, 92, 93, 94, 95, 96, 97, 98, 99}; ByteArrayOutputStream bos = new ByteArrayOutputStream(); DummyFilterStream dfs = new DummyFilterStream(bos); boolean caughtException = false; // -ve length try { dfs.write(data, 0, -5); } catch (IndexOutOfBoundsException ie) { caughtException = true; } finally { if (!caughtException) throw new RuntimeException("Test failed"); } // -ve offset caughtException = false; try { dfs.write(data, -2, 5); } catch (IndexOutOfBoundsException ie) { caughtException = true; } finally { if (!caughtException) throw new RuntimeException("Test failed"); } // off + len > data.length caughtException = false; try { dfs.write(data, 6, 5); } catch (IndexOutOfBoundsException ie) { caughtException = true; } finally { if (!caughtException) throw new RuntimeException("Test failed"); } // null data caughtException = false; try { dfs.write(null, 0, 5); } catch (NullPointerException re) { caughtException = true; } finally { if (!caughtException) throw new RuntimeException("Test failed"); } } }