J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1999 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* @test |
| 25 | @bug 4176379 |
| 26 | @summary Ensure that FilterOutputStream.write(byte[], int, int) with |
| 27 | negative len, throws appropriate exception. |
| 28 | */ |
| 29 | |
| 30 | import java.io.*; |
| 31 | |
| 32 | public class BoundsCheck { |
| 33 | static class DummyFilterStream extends FilterOutputStream { |
| 34 | |
| 35 | public DummyFilterStream(OutputStream o) { |
| 36 | super(o); |
| 37 | } |
| 38 | |
| 39 | public void write(int val) throws IOException { |
| 40 | super.write(val + 1); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | public static void main(String[] args) throws Exception { |
| 45 | byte data[] = {90, 91, 92, 93, 94, 95, 96, 97, 98, 99}; |
| 46 | ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| 47 | DummyFilterStream dfs = new DummyFilterStream(bos); |
| 48 | boolean caughtException = false; |
| 49 | |
| 50 | // -ve length |
| 51 | try { |
| 52 | dfs.write(data, 0, -5); |
| 53 | } catch (IndexOutOfBoundsException ie) { |
| 54 | caughtException = true; |
| 55 | } finally { |
| 56 | if (!caughtException) |
| 57 | throw new RuntimeException("Test failed"); |
| 58 | } |
| 59 | |
| 60 | // -ve offset |
| 61 | caughtException = false; |
| 62 | try { |
| 63 | dfs.write(data, -2, 5); |
| 64 | } catch (IndexOutOfBoundsException ie) { |
| 65 | caughtException = true; |
| 66 | } finally { |
| 67 | if (!caughtException) |
| 68 | throw new RuntimeException("Test failed"); |
| 69 | } |
| 70 | |
| 71 | // off + len > data.length |
| 72 | caughtException = false; |
| 73 | try { |
| 74 | dfs.write(data, 6, 5); |
| 75 | } catch (IndexOutOfBoundsException ie) { |
| 76 | caughtException = true; |
| 77 | } finally { |
| 78 | if (!caughtException) |
| 79 | throw new RuntimeException("Test failed"); |
| 80 | } |
| 81 | |
| 82 | // null data |
| 83 | caughtException = false; |
| 84 | try { |
| 85 | dfs.write(null, 0, 5); |
| 86 | } catch (NullPointerException re) { |
| 87 | caughtException = true; |
| 88 | } finally { |
| 89 | if (!caughtException) |
| 90 | throw new RuntimeException("Test failed"); |
| 91 | } |
| 92 | } |
| 93 | } |