drop-shadow-currentcolor-dynamic-001.html

<!DOCTYPE html>
<html class="reftest-wait">
<title>Filter Effects: Dynamic 'currentcolor' in drop-shadow()</title>
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#funcdef-filter-drop-shadow">
<link rel="match" href="reference/green-100x100.html">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<style>
#target {
  background-color: green;
  width: 50px;
  height: 100px;
  filter: drop-shadow(50px 0px 0px currentcolor);
}
.red {
  color: red;
}
.green {
  color: green;
}
</style>
<div id="container" class="red">
  <div id="target"></div>
</div>
<script>
waitForAtLeastOneFrame().then(() => {
  const container = document.getElementById('container');
  container.classList.toggle('red');
  container.classList.toggle('green');
  takeScreenshot();
});
</script>

chromium/third_party/blink/web_tests/external/wpt/css/filter-effects/drop-shadow-currentcolor-dynamic-001.html