254     let buf = want.pack(vec![0; 1], &mut Some(HashMap::new()), 1)?;  in test_question_pack_unpack()
321         let result = input.pack(vec![], &mut Some(HashMap::new()), 0);  in test_name_pack_unpack()
361     let buf = name.pack(vec![], &mut compression, 0)?;  in test_incompressible_name()
362     let buf = name.pack(buf, &mut compression, 0)?;  in test_incompressible_name()
473     let b = want.pack(vec![], &mut None, 0)?;  in test_srv_pack_unpack()
499         let b = want.pack()?;  in test_dns_pack_unpack()
539     let buf = msg.pack()?;  in test_skip_all()
562     let buf = msg.pack()?;  in test_skip_each()
605     let buf = msg.pack()?;  in test_skip_after_read()
738         if let Err(got) = msg.pack() {  in test_too_many_records()
778     let buf = want.pack(vec![], &mut Some(HashMap::new()), 0)?;  in test_very_long_txt()
802     if let Err(err) = rb.pack(vec![], &mut Some(HashMap::new()), 0) {  in test_too_long_txt()
1043     let want = msg.pack()?;  in test_builder()
1131         if let Err(err) = m.pack() {  in test_resource_pack()
1153     let (hb, _) = r.header.pack(vec![], &mut None, 0)?;  in test_resource_pack_length()
1154     let buf = r.pack(vec![], &mut None, 0)?;  in test_resource_pack_length()
1290         let w = tt_m.pack()?;  in test_option_pack_unpack()