J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2001 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 4510489 |
| 26 | * @summary Verify IOUtil.java reads to buffer limits |
| 27 | */ |
| 28 | import java.io.*; |
| 29 | import java.nio.*; |
| 30 | import java.nio.channels.*; |
| 31 | |
| 32 | public class MapReadOnly { |
| 33 | public static void main (String args[]) throws Exception { |
| 34 | File testFile = File.createTempFile("test2", null); |
| 35 | testFile.deleteOnExit(); |
| 36 | RandomAccessFile raf = new RandomAccessFile(testFile, "rw"); |
| 37 | FileChannel fc = raf.getChannel(); |
| 38 | MappedByteBuffer mbb = fc.map(FileChannel.MapMode.READ_ONLY, 0L, |
| 39 | (int) fc.size()); |
| 40 | mbb.load(); |
| 41 | try { |
| 42 | mbb.put((byte)3); |
| 43 | throw new Exception("Test failed"); |
| 44 | } catch (ReadOnlyBufferException robe) { |
| 45 | // Correct result |
| 46 | } |
| 47 | fc.close(); |
| 48 | raf.close(); |
| 49 | } |
| 50 | } |