# File test/gruff_test_case.rb, line 67 def graph_sized(filename, sizes=['', 400]) class_name = self.class.name.gsub(/^TestGruff/, '') Array(sizes).each do |size| g = instance_eval("Gruff::#{class_name}.new #{size}") g.title = "#{class_name} Graph" yield g write_test_file g, "#{filename}_#{size}.png" end end