samba - Oct 2011 - Why torture_run_suite() is called recursively?

Hi,
I have a doubt in ui.c file of smbtorture.

In ui.c code why this torture_run_suite() function is called recursively?

Is it the case that this function will complete all the test cases and test
suites of a single test, or if the test contains multiple test suites it
will recursively call all the test suites present in test before moving to
next test. Plz correct me if i am wrong.

Regards,
Nishant.