ko1	2018-02-28 16:31:49 +0900 (Wed, 28 Feb 2018)

  New Revision: 62608

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62608

  Log:
    skip a test if another Thread is running.
    
    * test/ruby/test_time.rb (test_strftime_no_hidden_garbage): this test
      checks no object allocation while specific process, however another
      thread can generate objects.

  Modified files:
    trunk/test/ruby/test_time.rb
Index: test/ruby/test_time.rb
===================================================================
--- test/ruby/test_time.rb	(revision 62607)
+++ test/ruby/test_time.rb	(revision 62608)
@@ -1104,6 +1104,8 @@ class TestTime < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_time.rb#L1104
   end
 
   def test_strftime_no_hidden_garbage
+    skip unless Thread.list.size == 1
+
     fmt = %w(Y m d).map { |x| "%#{x}" }.join('-') # defeats optimization
     t = Time.at(0).getutc
     ObjectSpace.count_objects(res = {}) # creates strings on first call

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