1 files changed, 12 insertions, 0 deletions
diff --git a/spec/ruby/core/hash/clone_spec.rb b/spec/ruby/core/hash/clone_spec.rb
new file mode 100644
index 0000000000..d135a84453
--- /dev/null
+++ b/spec/ruby/core/hash/clone_spec.rb
@@ -0,0 +1,12 @@
+require_relative '../../spec_helper'
+
+describe "Hash#clone" do
+  it "copies instance variable but not the objects they refer to" do
+    hash = { 'key' => 'value' }
+
+    clone = hash.clone
+
+    clone.should == hash
+    clone.should_not.equal? hash
+  end
+end