main/src/test/java/org/apache/poi/hssf/usermodel/TestHSSFPatriarch.java

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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
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       http://www.apache.org/licenses/LICENSE-2.0

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package org.apache.poi.hssf.usermodel;

import static org.junit.jupiter.api.Assertions.assertNotNull;

import java.io.IOException;

import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.ss.usermodel.ClientAnchor.AnchorType;
import org.junit.jupiter.api.Test;

final class TestHSSFPatriarch {

	@Test
	void testBasic() throws IOException {
		try (HSSFWorkbook wb = new HSSFWorkbook()) {
			HSSFSheet sheet = wb.createSheet();

			HSSFPatriarch patr = sheet.createDrawingPatriarch();
			assertNotNull(patr);
		}
	}

	@Test
	void test44916() throws IOException {
		try (HSSFWorkbook wb = new HSSFWorkbook()) {
			HSSFSheet sheet = wb.createSheet();

			// 1. Create drawing patriarch
			HSSFPatriarch patr = sheet.createDrawingPatriarch();

			// 2. Try to re-get the patriarch
			// bug 44916 - NullPointerException
			HSSFPatriarch existingPatr = sheet.getDrawingPatriarch();

			// 3. Use patriarch
			HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 600, 245, (short) 1, 1, (short) 1, 2);
			anchor.setAnchorType(AnchorType.DONT_MOVE_AND_RESIZE);
			byte[] pictureData = HSSFTestDataSamples.getTestDataFileContent("logoKarmokar4.png");
			int idx1 = wb.addPicture(pictureData, HSSFWorkbook.PICTURE_TYPE_PNG);
			patr.createPicture(anchor, idx1);

			// 4. Try to re-use patriarch later
			existingPatr = sheet.getDrawingPatriarch();
			assertNotNull(existingPatr);
		}
	}
}