moveBefore-size-query.html

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/moveBefore/moveBefore-size-query.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>moveBefore() changing size container queries for moved elements</title>

<link rel="help" href="https://dom.spec.whatwg.org/#dom-parentnode-movebefore">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<style>

  .container { container-type: inline-size; height: 100px; }

  .w200 { width: 200px; }

  .w400 { width: 400px; }

  @container (width = 400px) {

    #target { color: green; }

</style>

<div class="container w400" id="new_parent"></div>

<div class="container w200">

  <div id="mv">

    <div id="target">This text should be green</div>

  </div>

</div>

<script>

  test(() => {

    document.body.offsetTop;

    new_parent.moveBefore(mv, null);

    assert_equals(getComputedStyle(target).color, "rgb(0, 128, 0)");

  }, "moveBefore() between different size containers invalidates target");

</script>