LayoutTests/svg/custom/svg-length-value-handled.svg

<svg xmlns="http://www.w3.org/2000/svg">
  <rect width="100" height="100" fill="green"/>
  <text id="label" y="200"/>
    <script>
      if (window.testRunner)
        testRunner.dumpAsText();

      document.getElementById("label").textContent =
        "PASS: root svg element size handled (" +
        document.rootElement.width.baseVal.value + "x" +
        document.rootElement.height.baseVal.value + ")";
    </script>
</svg>