poi/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFPicture.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.hssf.usermodel;

import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.HSSFITestDataProvider;
import org.apache.poi.ss.usermodel.BaseTestPicture;

/**
 * Test <code>HSSFPicture</code>.
 *
 * @author Yegor Kozlov (yegor at apache.org)
 */
public final class TestHSSFPicture extends BaseTestPicture {

    @Override
    protected HSSFITestDataProvider getTestDataProvider(){
        return HSSFITestDataProvider.getInstance();
    }

    public void testResize() {
        baseTestResize(new HSSFClientAnchor(0, 0, 848, 240, (short)0, 0, (short)1, 9));
    }

    /**
     * Bug # 45829 reported ArithmeticException (/ by zero) when resizing png with zero DPI.
     */
    public void test45829() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sh1 = wb.createSheet();
        HSSFPatriarch p1 = sh1.createDrawingPatriarch();

        byte[] pictureData = HSSFTestDataSamples.getTestDataFileContent("45829.png");
        int idx1 = wb.addPicture( pictureData, HSSFWorkbook.PICTURE_TYPE_PNG );
        HSSFPicture pic = p1.createPicture(new HSSFClientAnchor(), idx1);
        pic.resize();
    }
}