perf.rb

load "/home/bogdan/bin/diffbench"
$LOAD_PATH << "./lib"
require "active_model"
class User
  include ActiveModel::MassAssignmentSecurity
  attr_protected :admin

  public :sanitize_for_mass_assignment
end
u = User.new
amount = 100
DiffBench.bm do
  report("when something sanitized") do
    1000.times do
      u.sanitize_for_mass_assignment(:admin => true, :hello => :hz)
    end
  end
  report("when nothing sanitized") do
    1000.times do
      u.sanitize_for_mass_assignment(:hello => :hz)
    end
  end

end