1 /*
   2  * Copyright (c) 2014, 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 @summary Test that default methods in Checksum works as expected
  26  * @build ChecksumBase
  27  * @run main TestChecksum
  28  */
  29 import java.util.zip.CRC32C;
  30 import java.util.zip.Checksum;
  31 
  32 public class TestChecksum {
  33 
  34     public static void main(String[] args) {
  35         ChecksumBase.testAll(new MyCRC32C(), 0xE3069283L);
  36     }
  37 
  38     /**
  39      * Only implementing required methods
  40      */
  41     private static class MyCRC32C implements Checksum {
  42 
  43         private final CRC32C crc32c = new CRC32C();
  44 
  45         @Override
  46         public void update(int b) {
  47             crc32c.update(b);
  48         }
  49 
  50         @Override
  51         public void update(byte[] b, int off, int len) {
  52             crc32c.update(b, off, len);
  53         }
  54 
  55         @Override
  56         public long getValue() {
  57             return crc32c.getValue();
  58         }
  59 
  60         @Override
  61         public void reset() {
  62             crc32c.reset();
  63         }
  64 
  65     }
  66 }