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17 package org.apache.commons.imaging.formats.tiff.fieldtypes;
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19 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
20 import static org.junit.jupiter.api.Assertions.assertThrows;
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22 import java.nio.ByteOrder;
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24 import org.apache.commons.imaging.ImagingException;
25 import org.junit.jupiter.api.Test;
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33 public class FieldTypeRationalTest {
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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 }