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.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53982 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 3 deletions

diff --git a/test/lib/test/unit.rb b/test/lib/test/unit.rb
index d7163b2883..6775c3691a 100644
--- a/test/lib/test/unit.rb
+++ b/test/lib/test/unit.rb
@@ -536,13 +536,12 @@ module Test
         @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
         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