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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.tiff.fieldtypes;
18  
19  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
20  import static org.junit.jupiter.api.Assertions.assertThrows;
21  
22  import java.nio.ByteOrder;
23  
24  import org.apache.commons.imaging.ImagingException;
25  import org.junit.jupiter.api.Test;
26  
27  /**
28   * Unit tests for class {@link FieldTypeRational}.
29   *
30   * @see FieldTypeRational
31   *
32   **/
33  public class FieldTypeRationalTest {
34  
35      @Test
36      public void testWriteDataWithNonNull() {
37          final FieldTypeRational fieldTypeRational = new FieldTypeRational(-922, "z_AX");
38          final ByteOrder byteOrder = ByteOrder.nativeOrder();
39          assertThrows(ImagingException.class, () -> fieldTypeRational.writeData("z_AX", byteOrder));
40      }
41  
42      @Test
43      public void testWriteDataWithNull() throws ImagingException {
44          final FieldTypeRational fieldTypeRational = new FieldTypeRational(9, null);
45          final Double doubleOne = 2.2d;
46          final byte[] byteArray = fieldTypeRational.writeData(doubleOne, null);
47  
48          assertArrayEquals(new byte[] { (byte) 11, (byte) 0, (byte) 0, (byte) 0, (byte) 5, (byte) 0, (byte) 0, (byte) 0 }, byteArray);
49      }
50  
51  }