test/helper: Dir.mktmpdir works without blocks

This is necessary for Ruby 1.9.3 compatibility.

1 files changed, 2 insertions, 1 deletions

diff --git a/test/helper.rb b/test/helper.rb
index 92fd1bc..730b96c 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -3,6 +3,7 @@
 $stdout.sync = $stderr.sync = Thread.abort_on_exception = true
 $-w = true if RUBY_VERSION.to_f >= 2.0
 require 'thread'
+require 'fileutils'
 
 def rubyv
   puts RUBY_DESCRIPTION
@@ -80,13 +81,13 @@ end
 require "tempfile"
 require 'tmpdir'
 class Dir
-  require 'fileutils'
   def Dir.mktmpdir
     begin
       d = "#{Dir.tmpdir}/#$$.#{rand}"
       Dir.mkdir(d)
     rescue Errno::EEXIST
     end while true
+    return d unless block_given?
     begin
       yield d
     ensure