1 /*
   2  * Copyright (c) 1998, 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 4140804
  26    @summary Test if seek will throw exception given a
  27             negative offset.
  28 */
  29 
  30 
  31 
  32 import java.io.*;
  33 
  34 public class Seek
  35 {
  36     public static void main(String argv[]) throws Exception
  37     {
  38         String dir = System.getProperty("test.src", ".");
  39         RandomAccessFile raf = new RandomAccessFile
  40             (new File(dir, "Seek.java"), "r");
  41 
  42         try {
  43             raf.seek(-10);
  44             throw new Exception
  45                 ("Should have thrown an IOException when seek offset is < 0");
  46         } catch (IOException e) {
  47         } finally {
  48             raf.close();
  49         }
  50     }
  51 }