LayoutTests/fast/html/details-hittest-crash.html

<script>
  testRunner?.dumpAsText();

  let details1 = document.createElement('details');
  document.documentElement.append(details1);

  details1.append(document.createElement('div'));

  let details2 = document.createElement('details');
  details1.append(details2);

  let div = document.createElement('div');
  details1.appendChild(div);

(async () => {
internals.withUserGesture(() => {});

details2.requestFullscreen();

await (()=>{
  div.offsetHeight;
  setTimeout(function() {
    window.document.caretRangeFromPoint(0);
  }, 10);
})()

})();
</script>
PASS if no crash.