<svg xmlns="http://www.w3.org/2000/svg" xmlns:h="http://www.w3.org/1999/xhtml" width="200" height="200">
  <title>A pattern with a zero viewBox disables rendering of its content (empty fill)</title>
  <h:link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/coords.html#ViewBoxAttribute"/>
  <h:link rel="match" href="viewBox-zero-disables-rendering-ref.svg"/>
  <h:meta name="assert" content="A pattern whose viewBox has a zero width disables rendering of its content, so a shape painted with the pattern shows nothing."/>
  <defs>
    <pattern id="p" viewBox="0 0 0 100" width="200" height="200" patternUnits="userSpaceOnUse">
      <rect width="100" height="100" fill="green"/>
    </pattern>
  </defs>
  <rect width="200" height="200" fill="url(#p)"/>
</svg>