<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%">
  <switch>
    <!-- This test passes if a renderer is only created for the first valid SVG child. -->
    <span xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; width: 100px; height: 100px; background: red"/>
    <mspace xmlns="http://www.w3.org/1998/Math/MathML" width="100px" height="100px" mathbackground="red"/>
    <foreignObject requiredExtensions="unknownExtension" height="100" width="100">
       <span xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; width: 100px; height: 100px; background: red"/>
    </foreignObject>
    <rect width="100" height="100" fill="green"/>
    <rect width="100" height="100" fill="red"/>
    <rect width="100" height="100" fill="red"/>
    <rect width="100" height="100" fill="red"/>
    <rect width="100" height="100" fill="red"/>
  </switch>
</svg>