1 /******************************************************************************* 2 * Copyright (c) 2009, 2015 Mountainminds GmbH & Co. KG and Contributors 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * Marc R. Hoffmann - initial API and implementation 10 * 11 *******************************************************************************/ 12 package org.jacoco.core.internal.data; 13 14 import static org.junit.Assert.assertEquals; 15 16 import java.io.UnsupportedEncodingException; 17 18 import org.junit.Test; 19 20 /** 21 * Unit tests for {@link CRC64}. 22 */ 23 public class CRC64Test { 24 25 @Test 26 public void test0() { 27 final long sum = CRC64.checksum(new byte[0]); 28 assertEquals(0L, sum); 29 } 30 31 /** 32 * Example taken from http://swissknife.sourceforge.net/docs/CRC64.html 33 * 34 * @throws UnsupportedEncodingException 35 */ 36 @Test 37 public void test1() throws UnsupportedEncodingException { 38 final long sum = CRC64.checksum("IHATEMATH".getBytes("ASCII")); 39 assertEquals(0xE3DCADD69B01ADD1L, sum); 40 } 41 42 /** 43 * Example generated with http://fsumfe.sourceforge.net/ 44 * 45 * @throws UnsupportedEncodingException 46 */ 47 @Test 48 public void test2() { 49 final long sum = CRC64.checksum(new byte[] { (byte) 0xff, (byte) 0xff, 50 (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, 51 (byte) 0xff, (byte) 0xff }); 52 assertEquals(0x5300000000000000L, sum); 53 } 54 55 /** 56 * Example generated with http://fsumfe.sourceforge.net/ 57 * 58 * @throws UnsupportedEncodingException 59 */ 60 @Test 61 public void test3() throws UnsupportedEncodingException { 62 final long sum = CRC64.checksum("JACOCO_JACOCO_JACOCO_JACOCO" 63 .getBytes("ASCII")); 64 assertEquals(0xD8016B38AAD48308L, sum); 65 } 66 67 } 68