1 files changed, 15 insertions, 0 deletions
diff --git a/spec/ruby/core/range/dup_spec.rb b/spec/ruby/core/range/dup_spec.rb
new file mode 100644
index 0000000000..cdb792c97f
--- /dev/null
+++ b/spec/ruby/core/range/dup_spec.rb
@@ -0,0 +1,15 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Range#dup" do
+  it "duplicates the range" do
+    copy = (1..3).dup
+    copy.begin.should == 1
+    copy.end.should == 3
+    copy.exclude_end?.should == false
+
+    copy = ("a"..."z").dup
+    copy.begin.should == "a"
+    copy.end.should == "z"
+    copy.exclude_end?.should == true
+  end
+end