selftests/bpf: Add CPU mask parsing tests

Add a bunch of test validating CPU mask parsing logic and error handling.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191212013559.1690898-1-andriin@fb.com
1 file changed