layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
layer at (16,16) size 768x568 scrollHeight 1024
  RenderBlock (positioned) {DIV} at (16,16) size 768x568
layer at (16,16) size 768x1024 backgroundClip at (16,16) size 768x568 clip at (16,16) size 768x568
  RenderBlock (positioned) {DIV} at (0,0) size 768x1024 [bgcolor=#008000]
    RenderText {#text} at (0,0) size 316x19
      text run at (0,0) width 316: "This test passes if there is no horizontal scrollbar."