layer at (0,0) size 800x600
  RenderCanvas 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
      RenderBlock {DIV} at (0,0) size 784x84 [border: (2px solid #0000FF)]
        RenderText {TEXT} at (14,14) size 721x56
          text run at (14,14) width 721: "Should see \"foo\" centered in its own red box, followed by left-aligned two"
          text run at (14,42) width 424: "lines, \"bar\" and \"baz\", in their own red box."
      RenderBlock {DIV} at (0,108) size 784x140
        RenderBlock {DIV} at (0,0) size 784x56 [border: (2px solid #FF0000)]
          RenderText {TEXT} at (376,14) size 32x28
            text run at (376,14) width 32: "foo"
          RenderBR {BR} at (0,0) size 0x0
        RenderBlock {DIV} at (0,56) size 784x84 [border: (2px solid #FF0000)]
          RenderText {TEXT} at (14,14) size 31x28
            text run at (14,14) width 31: "bar"
          RenderBR {BR} at (0,0) size 0x0
          RenderText {TEXT} at (14,42) size 34x28
            text run at (14,42) width 34: "baz"
selection is CARET:
start:      position 1 of child 1 {TEXT} of child 1 {DIV} of root {DIV}
upstream:   position 0 of child 1 {DIV} of root {DIV}
downstream: position 1 of child 1 {TEXT} of child 1 {DIV} of root {DIV}
