Cover every public method on the binary pair, plus the typical packet
shape (header + mixed payload) the composer/parser pipeline emits:
- byte / short / int round-trips, including signed-edge values
(int8 -1 from 0xFF, int16 / int32 boundaries)
- big-endian wire-order assertions on writeShort / writeInt (matches
Arcturus's DataInputStream)
- string round-trip with length prefix + bare (includeLength=false)
+ UTF-8 multibyte byte count + empty-string edge
- writeBytes for both number[] and ArrayBuffer payloads
- readBytes slice returns an independent reader whose position is
decoupled from the outer reader
- remaining() decrements correctly across mixed-size reads
- readFloat / readDouble decode IEEE-754 big-endian values
(the writer has no float/double counterparts — buffer is built via
DataView for these cases)
- writer position getter + explicit setter (caller-managed reposition)
- two independent writers concatenate cleanly into a single reader
Suite: 127/127 (was 104/104). typecheck clean.
simoleo89