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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /dom/nodes/moveBefore/tentative/moveBefore-shadow-inside.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<style>
section {
position: relative;
}
#item {
position: absolute;
inset: 0;
}
#section1 {
width: 200px;
height: 200px;
}
#section2 {
width: 300px;
height: 300px;
}
</style>
<section id="section1">
<div id="item">
<template shadowRootMode="open">
<style>
div {
position: absolute;
inset: 0;
background-color: var(--color, red);
}
</style>
<div></div>
</template>
</div>
</section>
<section id="section2">
</section>
<script>
promise_test(async () => {
const item = document.querySelector("#item");
document.querySelector("#section2").moveBefore(item, null);
await new Promise(resolve => requestAnimationFrame(() => resolve()));
assert_equals(item.shadowRoot.querySelector("div").getBoundingClientRect().width, 300);
});
</script>