#9243: sage-doctest should use powers of 2 for return codes
---------------------------+------------------------------------------------
   Reporter:  ddrake       |       Owner:  mvngu   
       Type:  enhancement  |      Status:  new     
   Priority:  minor        |   Milestone:  sage-5.0
  Component:  doctest      |    Keywords:          
     Author:               |    Upstream:  N/A     
   Reviewer:               |      Merged:          
Work_issues:               |  
---------------------------+------------------------------------------------
 Right now, sage-doctest uses these return codes:
 {{{
 # Return value in process exit code:
 # 0: all tests passed
 # 1: file not found
 # 2: KeyboardInterrupt
 # 3: doctest process was terminated by a signal
 # 4: the doctesting framework raised an exception
 # 100: failed doctests
 }}}
 In #8641 and #9224, we make sure that the return code gets passed on to
 the user, and for multiple files, we `or' the return codes together. It
 would be much nicer for the user if we used powers of 2 for return codes,
 so that it's easy to see exactly what happened.

 I recommend we change 3->4, 4->8, and 100->128 in sage-doctest.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9243>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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