chromium/third_party/blink/web_tests/fast/dom/Element/resources/frameset-quirks.html

<head>
  <style>
    html {
       height: 2000px;
       width: 1000px;
    }
  </style>
  <script>
      onload = function() {
        window.scrollTo(200, 500);

        // The calls below should not take effect, given
        // that setting scrollTop/Left on the root node
        // is no-op in quirks-mode, and that the body
        // is a frameset.
        document.documentElement.scrollTop = 1;
        document.body.scrollTop = 2;

        parent.verifyTest()
      }
  </script>
</head>
<frameset>
  <frame src="about:blank"></frame>
</frameset>