espressif_tinyusb/test/unit-test/vendor/ceedling/lib/ceedling/streaminator_helper.rb

class StreaminatorHelper

  def extract_name(stream)
    name = case (stream.fileno)
      when 0 then '#<IO:$stdin>'
      when 1 then '#<IO:$stdout>'
      when 2 then '#<IO:$stderr>'
      else stream.inspect
    end
    
    return name
  end

end