popup-menu-appearance-fractional-width.html

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-3; totalPixels=0-100">
<script src="../../../resources/testdriver.js"></script>
<script src="../../../resources/testdriver-vendor.js"></script>
<script src="../resources/picker-common.js"></script>

<style>
select {
    -webkit-appearance: none;
    font-size: 13px;
    padding-right: 1.5em;
    height: 25px;
    font-family: 'Ahem';
}
</style>
<select>
  <option>foo</option>
  <option>foo</option>
  <option>foo</option>
  <option>foo</option>
  <option>foo</option>
</select>

<script>
  // Test for crbug.com/470505. Pass if there is no vertical scroll bar in the popup.
  window.onload = openPickerAppearanceOnly(document.querySelector('select'));
</script>

chromium/third_party/blink/web_tests/fast/forms/select-popup/popup-menu-appearance-fractional-width.html