s.setFormatID(SectionIDMap.DOCUMENT_SUMMARY_INFORMATION_ID[0]);
int codepage = Constants.CP_UNICODE;
s.setProperty(PropertyIDMap.PID_CODEPAGE, Variant.VT_I2,
new Integer(codepage));
poiFs.createDocument(ps1.toInputStream(), "Test");
poiFs.writeFilesystem(out);
out.close();
/* Read back: */
final POIFile[] psf = Util.readPropertySets(copy);
Assert.assertEquals(1, psf.length);