<!DOCTYPE html>
<style>
div { background: url(#); }
div { background: -webkit-image-set(url(#) 1x); }
</style>
<div style="transition: 1s">This test passes if it does not crash.</div>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
var test = async_test("Test if it does not crash when it deletes image-set");

window.addEventListener('load', test.step_func_done(() => {
  document.styleSheets[0].deleteRule(1);
}));
</script>