before-in-display-none-thcrash.html

<!doctype html>
<title>CSS Test: Invalidating style inside display:none with ::before should not crash.</title>
<link rel="help" href="https://crbug.com/1013570">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  #outer { display: none }
  #outer::before { content: " "; }
</style>
<div id="outer">
  <div id="inner"></div>
</div>
<script>
  test(() => {
    assert_equals(getComputedStyle(inner).color, "rgb(0, 0, 0)");
    inner.style.color = "green";
    assert_equals(getComputedStyle(inner).color, "rgb(0, 128, 0)");
  }, "Invalidating style inside display:none with ::before should not crash.");
</script>

chromium/third_party/blink/web_tests/external/wpt/css/css-pseudo/before-in-display-none-thcrash.html