fix(buffers): Require buffer sizes to be non-zero (#11829)

* fix(buffers): Require buffer sizes to be non-zero

Providing 0 for in-memory buffers causes a panic. I'm guessing providing
0 for disk buffers will also mean you are going to have a bad time so
guarded against that here too.

Signed-off-by: Jesse Szwedko <jesse@szwedko.me>

* ci

* tests

Signed-off-by: Jesse Szwedko <jesse@szwedko.me>

* Update tests

Signed-off-by: Jesse Szwedko <jesse@szwedko.me>