reality check

( n.)

   1.  The  simplest  kind  of  test  of software or hardware; doing the
   equivalent  of  asking  it what 2 + 2 is and seeing if you get 4. The
   software equivalent of a {smoke test}.

   2.  The  act  of  letting  a  {real user} try out prototype software.
   Compare {sanity check}.

[glossary]
[Reference(s) to this entry by made by: {sanity check}{smoke test}]