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 /*

    25  * @test

    26  * @bug 4221901

    27  * @summary Ensure that negative offset or negative len parameter for

    28  *          write(String str, int off, int len) throws

    29  *          IndexOutOfBoundsException.

    30  */

    31 

    32 import java.io.*;

    33 

    34 public class BoundsCheck {

    35     public static void main(String args[]) throws Exception {

    36         ByteArrayOutputStream bos = new ByteArrayOutputStream();

    37         OutputStreamWriter osw = new OutputStreamWriter(bos);

    38         String data = "Data to be written";

    39         char cdata[] = {'a', 'b', 'c', 'd', 'a', 'b', 'c', 'd'};

    40 

    41         boolean caughtException = false;

    42         try {

    43             osw.write(data, -3, 5);

    44             throw new RuntimeException("Test failed for negative offset");

    45         } catch (IndexOutOfBoundsException  e){ }

    46 

    47         try {

    48             osw.write(data, 3, -5);

    49             throw new RuntimeException("Test failed for negative length");

    50         } catch (IndexOutOfBoundsException  e){ }

    51 

    52         try {

    53             osw.write(data, 3, 75);

    54             throw new RuntimeException("Test failed for len+off > str.length");

    55         } catch (IndexOutOfBoundsException  e){ }

    56 

    57         try {

    58             osw.write(cdata, -3, 5);

    59             throw new RuntimeException("Test failed for negative offset");

    60         } catch (IndexOutOfBoundsException  e){ }

    61 

    62         try {

    63             osw.write(cdata, 3, -5);

    64             throw new RuntimeException("Test failed for negative length");

    65         } catch (IndexOutOfBoundsException  e){ }

    66 

    67         try {

    68             osw.write(cdata, 3, 75);

    69             throw new RuntimeException("Test failed for len+off > str.length");

    70         } catch (IndexOutOfBoundsException  e){ }

    71     }

    72 }