<script>
testRunner.dumpAsText();
testRunner.waitUntilDone();
</script>
<style>
body {
    animation: testframes infinite 1s;
}

@keyframes testframes {
    from { padding: 0 }
    to { padding: 120px }
}
</style>
<body>
<div>Test that animation on an element doesn't invalidate the entire subtree for style resolution.</div>
<log></log>
<script>

document.body.addEventListener("animationiteration", () => {
    document.querySelector("log").textContent = "Animation frame resolved style for " + internals.lastStyleUpdateSize + " element(s)";
    testRunner.notifyDone();
});

</script>