1 files changed, 26 insertions, 0 deletions
diff --git a/spec/ruby/core/proc/dup_spec.rb b/spec/ruby/core/proc/dup_spec.rb
new file mode 100644
index 0000000000..8604389422
--- /dev/null
+++ b/spec/ruby/core/proc/dup_spec.rb
@@ -0,0 +1,26 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/common'
+require_relative 'shared/dup'
+
+describe "Proc#dup" do
+  it_behaves_like :proc_dup, :dup
+
+  it "resets frozen status" do
+    proc = Proc.new { }
+    proc.freeze
+    proc.frozen?.should == true
+    proc.dup.frozen?.should == false
+  end
+
+  it "calls #initialize_dup on subclass" do
+    obj = ProcSpecs::MyProc2.new(:a, 2) { }
+    dup = obj.dup
+
+    dup.should_not.equal?(obj)
+    dup.class.should == ProcSpecs::MyProc2
+
+    dup.first.should == :a
+    dup.second.should == 2
+    dup.initializer.should == :dup
+  end
+end