nobu	2017-01-28 20:27:32 +0900 (Sat, 28 Jan 2017)

  New Revision: 57450

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57450

  Log:
    test/unit.rb: minimum workers
    
    * test/lib/test/unit.rb (_run_parallel): launch only necessary
      workers.

  Modified files:
    trunk/test/lib/test/unit.rb
Index: test/lib/test/unit.rb
===================================================================
--- test/lib/test/unit.rb	(revision 57449)
+++ test/lib/test/unit.rb	(revision 57450)
@@ -422,7 +422,7 @@ module Test https://github.com/ruby/ruby/blob/trunk/test/lib/test/unit.rb#L422
         @workers_hash = {} # out-IO => worker
         @ios          = [] # Array of worker IOs
         begin
-          @options[:parallel].times {launch_worker}
+          [@tasks.size, @options[:parallel]].min.times {launch_worker}
 
           while _io = IO.select(@ios)[0]
             break if _io.any? do |io|

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/