# File lib/ImageFormat.rb, line 83
def compatability_score(file_system_image)
  final_score=1
   self.class.code_for_tests.each do |code_for_test|
    RipXploreLog.debug "test for #{file_system_image.filename}#{self} : #{code_for_test} "
    result = eval code_for_test,binding
    RipXploreLog.debug "result : #{result}"     
    final_score+=1
    return 0  unless (result)
  end
  return final_score
end