1 files changed, 5 insertions, 11 deletions
diff --git a/activesupport/test/core_ext/object/duplicable_test.rb b/activesupport/test/core_ext/object/duplicable_test.rb
index 84512380cf..042f5cfb34 100644
--- a/activesupport/test/core_ext/object/duplicable_test.rb
+++ b/activesupport/test/core_ext/object/duplicable_test.rb
@@ -4,20 +4,14 @@ require 'active_support/core_ext/object/duplicable'
 require 'active_support/core_ext/numeric/time'
 
 class DuplicableTest < ActiveSupport::TestCase
-  RAISE_DUP  = [nil, false, true, :symbol, 1, 2.3, 5.seconds]
+  RAISE_DUP  = [nil, false, true, :symbol, 1, 2.3, method(:puts)]
   ALLOW_DUP = ['1', Object.new, /foo/, [], {}, Time.now, Class.new, Module.new]
-
-  # Needed to support Ruby 1.9.x, as it doesn't allow dup on BigDecimal, instead
-  # raises TypeError exception. Checking here on the runtime whether BigDecimal
-  # will allow dup or not.
-  begin
-    bd = BigDecimal.new('4.56')
-    ALLOW_DUP << bd.dup
-  rescue TypeError
-    RAISE_DUP << bd
-  end
+  ALLOW_DUP << BigDecimal.new('4.56')
 
   def test_duplicable
+    rubinius_skip "* Method#dup is allowed at the moment on Rubinius\n" \
+                  "* https://github.com/rubinius/rubinius/issues/3089"
+
     RAISE_DUP.each do |v|
       assert !v.duplicable?
       assert_raises(TypeError, v.class.name) { v.dup }