<!DOCTYPE html>
<html class="test-wait">
<title>CSS Filters: multiple references to filter in mutating subtree</title>
<link rel="author" title="Fredrik Söderquist" href="mailto:fs@opera.com">
<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=439970">
<meta name="assert" content="Check that applying the same filter pointing to several target elements in a mutating subtree does not crash."/>

<script src="/common/rendering-utils.js"></script>

<style>
#move, #obj, #bdo {
  filter: url(#target);
}
</style>

<body>
<object id="obj">PASS if no crash</object>
<div id="move">
  <span id="target"></span>
</div>
<div id="bdo"></div>

<script>
waitForAtLeastOneFrame().then(function() {
  bdo.style.zoom = 2;
  obj.appendChild(move);
  document.documentElement.classList.remove('test-wait');
});
</script>
</body>
</html>
