507             for n_slice in 1..=4 {  in test_message_reader()
509                 let expect = vec![len as u8; len * n_slice];  in test_message_reader()
511                 let mut reader = new_message_reader(source.clone(), n_slice);  in test_message_reader()
520                     n_slice  in test_message_reader()
531                     n_slice  in test_message_reader()
535                 let mut reader = new_message_reader(source.clone(), n_slice);  in test_message_reader()
538                 assert_eq!(dest, expect, "len: {}, nslice: {}", len, n_slice);  in test_message_reader()
544                 let mut reader = new_message_reader(source.clone(), n_slice);  in test_message_reader()
545                 reader.consume(source.len() * (n_slice - 1));  in test_message_reader()
553                     n_slice  in test_message_reader()
560                     n_slice  in test_message_reader()
589             for n_slice in 1..4 {  in test_buf_impl()
592                 let mut reader = new_message_reader(source.clone(), n_slice);  in test_buf_impl()
594                 let mut remaining = len * n_slice;  in test_buf_impl()