<html lang="en">
<head>
<style></style>
<script>
  if (window.testRunner)
    testRunner.dumpAsText();

  onload = () => {
    internals.settings.setShouldEnableTextAutosizingBoost(true);
    document.styleSheets[0].insertRule(`:last-child { font-feature-settings: "smcp" on, "c2sc" on, "pcap" off, "c2pc" off, "unic" off, "titl" off; }`);
    document.styleSheets[0].insertRule(`:last-child { all: inherit; }`);
    document.styleSheets[0].insertRule(`:first-of-type { zoom: 10; }`);
    document.body.offsetTop;
    document.styleSheets[0].insertRule(`* { font-weight: calc(150 + 50); }`);
    document.body.offsetTop;
    document.styleSheets[0].insertRule(`* { writing-mode: vertical-lr; }`);
  };
</script>
</head>
<body>
<p>This test passes if it does not crash.</p>
</body>
</html>