Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x39 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x23 children: inline frag 0 from TextNode start: 0, length: 35, rect: [8,8 362.75x23] baseline: 17.5 "This test passes if we don't crash." TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x39] PaintableWithLines (BlockContainer) [8,8 784x23] TextPaintable (TextNode<#text>) SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x39] [children: 0] (z-index: auto)