css/css-values/viewport-units-modify.html

<!DOCTYPE html>
<title>Crash when going from non-viewport to viewport units</title>
<link rel="help" href="https://crbug.com/1322613">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<div id="elem" style="padding-left: 1vh">Test passes if there is no crash.</div>

<script>

test((t) => {
  assert_not_equals(getComputedStyle(elem).paddingLeft, '0px');
  elem.style.paddingLeft = '0';
  assert_equals(getComputedStyle(elem).paddingLeft, '0px');
  elem.style.paddingLeft = '1vh';
  assert_not_equals(getComputedStyle(elem).paddingLeft, '0px');
});

</script>