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.field_6_stream_id); // WRONG!
assertEquals("Forms.CheckBox.1", rec.field_5_ole_classname);