      it "updates the selector to mongo's advanced selector" do
        query.sort(a: 1)
        query.operation.selector.should eq(
          "$query" => selector,
          "$orderby" => { a: 1 }
        )
      end
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.