test/unit.rb: extract delete_worker

* lib/test/unit.rb (Test::Unit::Runner#delete_worker): delete dead
  worker from working set.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36386 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,4 +1,7 @@
-Sat Jul 14 16:16:27 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Sat Jul 14 16:16:32 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/test/unit.rb (Test::Unit::Runner#delete_worker): delete dead
+	  worker from working set.
 
 	* lib/test/unit.rb (Test::Unit::Runner#launch_worker): add new worker
 	  to working set.

lib/test/unit.rb

@@ -468,6 +468,12 @@ module Test
         worker
       end
 
+      def delete_worker(worker)
+        @workers_hash.delete worker.io
+        @workers.delete worker
+        @ios.delete worker.io
+      end
+
       def start_watchdog
         Thread.new do
           while stat = Process.wait2
@@ -527,9 +533,7 @@ module Test
                   end
                 else
                   if @options[:separate] && bang.empty?
-                    @workers_hash.delete worker.io
-                    @workers.delete worker
-                    @ios.delete worker.io
+                    delete_worker(workers)
                     worker.quit
                     worker = launch_worker
                   end