nobu	2016-03-02 16:03:22 +0900 (Wed, 02 Mar 2016)

  New Revision: 53982

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53982

  Log:
    test/unit: return the cursor
    
    * test/lib/test/unit.rb (update_status): keep the cursor to the
      beginning of the line for each update, so that unexpected output
      like an error message will overwrite but not be concatenated to
      the status.

  Modified files:
    trunk/test/lib/test/unit.rb
Index: test/lib/test/unit.rb
===================================================================
--- test/lib/test/unit.rb	(revision 53981)
+++ test/lib/test/unit.rb	(revision 53982)
@@ -536,13 +536,12 @@ module Test https://github.com/ruby/ruby/blob/trunk/test/lib/test/unit.rb#L536
         @status_line_size = 0
       end
 
-      def add_status(line, flush: true)
+      def add_status(line)
         @status_line_size ||= 0
         if @options[:job_status] == :replace
           line = line[0...(terminal_width-@status_line_size)]
         end
         print line
-        $stdout.flush if flush
         @status_line_size += line.size
       end
 
@@ -617,9 +616,11 @@ module Test https://github.com/ruby/ruby/blob/trunk/test/lib/test/unit.rb#L616
         count = @test_count.to_s(10).rjust(@total_tests.size)
         del_status_line(false)
         print(@passed_color)
-        add_status("[#{count}/#{@total_tests}]", flush: false)
+        add_status("[#{count}/#{@total_tests}]")
         print(@reset_color)
         add_status(" #{s}")
+        $stdout.print "\r" if @options[:job_status] == :replace
+        $stdout.flush
       end
 
       def _print(s); $stdout.print(s); end

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