HSSFObjectData obj = (HSSFObjectData)objects.get(0);
assertNotNull(obj);
// Peek inside the underlying record
EmbeddedObjectRefSubRecord rec = obj.findObjectRecord();
assertNotNull(rec);
// assertEquals(32, rec.field_1_stream_id_offset);
assertEquals(0, rec.getStreamId().intValue()); // WRONG!
assertEquals("Forms.CheckBox.1", rec.getOLEClassName());
assertEquals(12, rec.getObjectData().length);
// Doesn't have a directory
assertFalse(obj.hasDirectoryEntry());
assertNotNull(obj.getObjectData());
assertEquals(12, obj.getObjectData().length);