    it "inserts a single document" do
      document = { "_id" => Moped::BSON::ObjectId.new, "scope" => scope }
      session[:users].insert(document)
      session[:users].find(document).one.should eq document
    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.