1 /*
   2  * Copyright (c) 1999, 2010, 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 4214513
  26  * @summary Passing a negative length argument for readFully must throw
  27  *          IndexOutOfBoundsException.
  28  */
  29 
  30 
  31 import java.io.*;
  32 public class ReadFully {
  33     public static final void main(String[] args) throws Exception {
  34         byte[] buffer = new byte[100];
  35         File file = new File(System.getProperty("test.src"),
  36                 "ReadFully.java");
  37         FileInputStream in = new FileInputStream(file);
  38         DataInputStream dis = new DataInputStream(in);
  39 
  40         boolean caughtException = false;
  41         try {
  42             dis.readFully(buffer, 0, -20);
  43         } catch (IndexOutOfBoundsException ie) {
  44             caughtException = true;
  45         } finally {
  46             dis.close();
  47             if (!caughtException)
  48                 throw new RuntimeException("Test failed");
  49         }
  50     }
  51 }