1 files changed, 9 insertions, 0 deletions
diff --git a/spec/rubyspec/core/marshal/dump_spec.rb b/spec/rubyspec/core/marshal/dump_spec.rb
index 6b369f9bb0..393b8a93f4 100644
--- a/spec/rubyspec/core/marshal/dump_spec.rb
+++ b/spec/rubyspec/core/marshal/dump_spec.rb
@@ -415,6 +415,15 @@ describe "Marshal.dump" do
       load = Marshal.load(dump)
       load.should == (1...2)
     end
+
+    it "dumps a Range with extra instance variables" do
+      range = (1...3)
+      range.instance_variable_set :@foo, 42
+      dump = Marshal.dump(range)
+      load = Marshal.load(dump)
+      load.should == range
+      load.instance_variable_get(:@foo).should == 42
+    end
   end
 
   describe "with a Time" do