poi/src/scratchpad/testcases/org/apache/poi/hemf/hemfplus/extractor/HemfPlusExtractorTest.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.hemf.hemfplus.extractor;


import static org.junit.Assert.assertEquals;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import org.apache.poi.POIDataSamples;
import org.apache.poi.hemf.record.emf.HemfComment.EmfComment;
import org.apache.poi.hemf.record.emf.HemfComment.EmfCommentDataPlus;
import org.apache.poi.hemf.record.emf.HemfRecord;
import org.apache.poi.hemf.record.emfplus.HemfPlusHeader;
import org.apache.poi.hemf.record.emfplus.HemfPlusRecord;
import org.apache.poi.hemf.record.emfplus.HemfPlusRecordType;
import org.apache.poi.hemf.usermodel.HemfPicture;
import org.junit.Test;

public class HemfPlusExtractorTest {

    @Test
    public void testBasic() throws Exception {
        //test header
        EmfCommentDataPlus emfPlus = getCommentRecord("SimpleEMF_windows.emf", 0);
        List<HemfPlusRecord> records = emfPlus.getRecords();
        assertEquals(1, records.size());
        assertEquals(HemfPlusRecordType.header, records.get(0).getEmfPlusRecordType());

        HemfPlusHeader header = (HemfPlusHeader)records.get(0);
        assertEquals(240, header.getLogicalDpiX());
        assertEquals(240, header.getLogicalDpiY());
        assertEquals(1, header.getFlags());
        assertEquals(1, header.getEmfPlusFlags());



        //test that the HemfCommentEMFPlus record at offset 1
        //contains 6 HemfCommentEMFPlus records within it
        List<HemfPlusRecordType> expected = new ArrayList<>();
        expected.add(HemfPlusRecordType.setPixelOffsetMode);
        expected.add(HemfPlusRecordType.setAntiAliasMode);
        expected.add(HemfPlusRecordType.setCompositingQuality);
        expected.add(HemfPlusRecordType.setPageTransform);
        expected.add(HemfPlusRecordType.setInterpolationMode);
        expected.add(HemfPlusRecordType.getDC);

        emfPlus = getCommentRecord("SimpleEMF_windows.emf", 1);
        records = emfPlus.getRecords();
        assertEquals(expected.size(), records.size());

        for (int i = 0; i < expected.size(); i++) {
            assertEquals(expected.get(i), records.get(i).getEmfPlusRecordType());
        }
    }


    private EmfCommentDataPlus getCommentRecord(String testFileName, int recordIndex) throws Exception {
        EmfCommentDataPlus returnRecord = null;

        try (InputStream is = POIDataSamples.getSpreadSheetInstance().openResourceAsStream(testFileName)) {
            HemfPicture ex = new HemfPicture(is);
            int i = 0;
            for (HemfRecord record : ex) {
                if (i == recordIndex) {
                    EmfComment commentRecord = ((EmfComment) record);
                    returnRecord = (EmfCommentDataPlus) commentRecord.getCommentData();
                    break;
                }
                i++;
            }
        }
        return returnRecord;
    }
}