{ Graph UBinGraph 
 (
  graph_name("Graph0")
  name("")
  direction(0)
  weight(1)
  color(1)
  color(4)
  open(1)
  test_attr(1.00000)
 )
 Vertices [
   0 ( name("0") )
   1 ( name("1") test_attr(8.00000) )
 ]
 Edges {
 }
 }