1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.imaging.formats.png; 18 19 import static org.junit.jupiter.api.Assertions.assertEquals; 20 21 import org.junit.jupiter.api.Test; 22 23 /** 24 * Unit tests for class {@link PngCrc}. 25 * 26 * @date 13.07.2017 27 * @see PngCrc 28 * 29 **/ 30 public class PngCrcTest { 31 32 @Test 33 public void testCrc() { 34 35 final PngCrc pngCrc = new PngCrc(); 36 final byte[] byteArray = new byte[4]; 37 38 assertEquals(558161692, pngCrc.crc(byteArray, (byte) 32)); 39 assertEquals(3736805603L, pngCrc.startPartialCrc(byteArray, 0)); 40 41 } 42 43 }