Having a good memory buffer compare would probably be a very useful addition.

One version of this was written by Andreas Stenius:
https://git.astekk.se/pub/pub/cpputest/commit/?h=pub&id=7a0b85e205a03a0e87d9c33ccf9d0ff1bfce5f20

and:
https://git.astekk.se/pub/pub/cpputest/commit/?h=pub&id=3178e699147ab7a1e15f7012829cacada0c3b341