chromium/third_party/blink/web_tests/external/wpt/html/rendering/widgets/input-date-no-resize-on-hover.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Date input should not resize on hover when using web fonts</title>
<link rel="help" href="https://crbug.com/1167555">
<link rel="author" href="mailto:[email protected]">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<input id="target" type="date" style="font-family: custom-font">

<script>
function mouseMoveToTarget(target) {
  return new test_driver.Actions().pointerMove(0, 0, {origin: target}).send();
}

promise_test(async () => {
  // Update layout before font loads
  document.body.offsetWidth;

  const font_sheet = document.createElement('style');
  font_sheet.textContent = '@font-face { font-family: custom-font; src: url(/fonts/Revalia.woff) }';
  document.body.appendChild(font_sheet);

  await document.fonts.ready;

  const target = document.getElementById('target');
  const width_before_hover = target.offsetWidth;
  await mouseMoveToTarget(target);
  const width_after_hover = target.offsetWidth;
  assert_equals(width_before_hover, width_after_hover);
});
</script>