## 31.4. TAP Tests

The client program tests under `src/bin` use the Perl TAP tools and are run by `prove`. You can pass command-line options to `prove` by setting the `make` variable `PROVE_FLAGS`, for example:

    make -C src/bin check PROVE_FLAGS='--reverse'

The default is `--verbose`. See the manual page of `prove` for more information.

The tests written in Perl require the Perl module `IPC::Run`. This module is available from CPAN or an operating system package.