1 /* 2 * Copyright (c) 2003, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 4896666 26 * @run main/othervm -esa MapAssertions 27 * @summary Check for assertion failures in FileChannel.map 28 */ 29 30 import java.io.*; 31 import java.nio.*; 32 import java.nio.channels.*; 33 34 public class MapAssertions { main(String[] args)35 public static void main(String[] args) throws Exception { 36 File blah = File.createTempFile("blah", null); 37 blah.deleteOnExit(); 38 RandomAccessFile raf = new RandomAccessFile(blah, "r"); 39 FileChannel fc = raf.getChannel(); 40 long fileSize = fc.size(); 41 MappedByteBuffer mapBuf = 42 fc.map(FileChannel.MapMode.READ_ONLY, 0l, fileSize); 43 fc.close(); 44 raf.close(); 45 } 46 } 47