1 files changed, 10 insertions, 0 deletions
diff --git a/spec/ruby/core/proc/shared/dup.rb b/spec/ruby/core/proc/shared/dup.rb
new file mode 100644
index 0000000000..fb6fff299d
--- /dev/null
+++ b/spec/ruby/core/proc/shared/dup.rb
@@ -0,0 +1,10 @@
+describe :proc_dup, shared: true do
+  it "returns a copy of self" do
+    a = lambda { "hello" }
+    b = a.send(@method)
+
+    a.should_not equal(b)
+
+    a.call.should == b.call
+  end
+end