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 }