Show leaked threads line-by-line.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46122 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 3 deletions

diff --git a/test/lib/minitest/unit.rb b/test/lib/minitest/unit.rb
index 27c71b136b..a27926b3c7 100644
--- a/test/lib/minitest/unit.rb
+++ b/test/lib/minitest/unit.rb
@@ -974,8 +974,10 @@ module MiniTest
       end
       thread_retained = live2 - live1
       if !thread_retained.empty?
-        list = thread_retained.map {|t| ' ' + t.inspect }.sort.join
-        puts "Leaked threads: #{inst.class}\##{inst.__name__}:#{list}"
+        list = thread_retained.map {|t| t.inspect }.sort
+        list.each {|str|
+          puts "Leaked thread: #{inst.class}\##{inst.__name__}: #{str}"
+        }
       end
       live2
     end
@@ -998,7 +1000,7 @@ module MiniTest
       end
       tempfile_retained = live2 - live1
       if !tempfile_retained.empty?
-        list = tempfile_retained.map {|t| ' ' + t.inspect }.sort
+        list = tempfile_retained.map {|t| t.inspect }.sort
         list.each {|str|
           puts "Leaked tempfile: #{name}: #{str}"
         }