chromium/third_party/blink/web_tests/external/wpt/css/css-conditional/container-queries/whitespace-update-after-removal.html

<!doctype html>
<title>CSS Container Queries Test: whitespace changes in container which changes evaluation</title>
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-queries">
<link rel="match" href="change-display-in-container-ref.html">
<style>
  #container {
    container-type: size;
    width: 400px;
    height: 200px;
  }

  @container (min-width: 400px) {
    span { color: red; }
  }
</style>
<p>You should see the word PASS below.</p>
<div id="container"><span id="fail">FAIL</span> <span>PASS</span></div>
<script>
  if (CSS.supports("container-type:size")) {
    container.offsetTop;
    container.style.width = "200px";
    // The space text node between the two spans no longer takes up space when the
    // first span is removed.
    fail.remove();
  }
</script>