1 files changed, 12 insertions, 0 deletions
diff --git a/test/ruby/test_symbol.rb b/test/ruby/test_symbol.rb
index d8c91c1eea..a135338edb 100644
--- a/test/ruby/test_symbol.rb
+++ b/test/ruby/test_symbol.rb
@@ -435,4 +435,16 @@ class TestSymbol < Test::Unit::TestCase
     assert_equal str, str.to_sym.to_s
     assert_not_predicate(str, :frozen?, bug11721)
   end
+
+  module WithRefinements
+    using Module.new {refine(Integer) {alias inc succ}}
+    def mapinc(a)
+      a.map(&:inc)
+    end
+  end
+
+  def test_proc_with_refinements
+    obj = Object.new.extend WithRefinements
+    assert_equal [*1..3], obj.mapinc(0..2)
+  end
 end