1 files changed, 6 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/delete_at_spec.rb b/spec/unit/puppet/parser/functions/delete_at_spec.rb
index d8d9618..cfc0a29 100755
--- a/spec/unit/puppet/parser/functions/delete_at_spec.rb
+++ b/spec/unit/puppet/parser/functions/delete_at_spec.rb
@@ -16,4 +16,10 @@ describe "the delete_at function" do
     result = scope.function_delete_at([['a','b','c'],1])
     result.should(eq(['a','c']))
   end
+
+  it "should not change origin array passed as argument" do 
+    origin_array = ['a','b','c','d']
+    result = scope.function_delete_at([origin_array, 1])
+    origin_array.should(eq(['a','b','c','d']))
+  end 
 end