Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline BlockContainer at [0,0] [0+0+0 800 0+0+0] [0+0+0 36 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 20 0+0+8] children: inline frag 0 from TextNode start: 0, length: 35, rect: [8,8 362.75x20] baseline: 16 "This test passes if we don't crash." TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x36] PaintableWithLines (BlockContainer) [8,8 784x20] SC for Viewport<#document> [0,0 800x600] (z-index: auto) SC for BlockContainer [0,0 800x36] (z-index: auto)