@Test
public void testIsDictionary() {
try {
COSObject co = new COSObject(new COSDictionary());
co.setGenerationNumber(COSInteger.ZERO);
co.setObjectNumber(new COSInteger(10));
assertFalse(COSUtils.isDictionary(co, new IOCOSDocument()));
COSDocument doc = new COSDocument();
addToXref(doc,new COSObjectKey(co), 1000);