1 /*

     2  * Copyright (c) 2004, 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 /*

    25  * @test

    26  * @bug 5031097

    27  * @summary sun.misc.CharacterEncoder(ByteBuffer) is dumping too

    28  *      much information

    29  * @modules java.base/sun.misc

    30  * @author Brad Wetmore

    31  */

    32 

    33 import java.nio.*;

    34 import sun.misc.*;

    35 

    36 public class GetBytes {

    37 

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

    39 

    40         ByteBuffer bb = ByteBuffer.wrap(new byte [26 + 2]);

    41 

    42         for (int i = 'a'; i < 'a' + bb.capacity(); i++) {

    43             bb.put((byte)i);

    44         }

    45 

    46         /*

    47          * Slice a subbuffer out of the original buffer.

    48          */

    49         bb.position(1);

    50         bb.limit(bb.capacity() - 1);

    51 

    52         ByteBuffer src = bb.slice();

    53 

    54         CharacterEncoder e = new BASE64Encoder();

    55         CharacterDecoder d = new BASE64Decoder();

    56 

    57         String encoded = e.encodeBuffer(src);

    58         ByteBuffer dst = d.decodeBufferToByteBuffer(encoded);

    59 

    60         src.rewind();

    61         dst.rewind();

    62 

    63         if (src.compareTo(dst) != 0) {

    64             throw new Exception("Didn't encode/decode correctly");

    65         }

    66     }

    67 }