Test mruby/c uses picoruby-picotest of PicoRuby for unit testing. https://github.com/picoruby/picoruby/blob/master/mrbgems/picoruby-picotest/README.md Prerequisite Docker: https://docs.docker.com/get-docker/ Setup make docker_build Test Test for host under no MRBC_LIBC_ALLOC defined make test Test all combinations of build options and target platforms make test_full