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 }