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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  }