multicol-dynamic-change-inside-break-inside-avoid-001.html

<!DOCTYPE html>
<html class="tweak reftest-wait">
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:[email protected]">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://drafts.csswg.org/css-break/#break-within">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1721262">
<link rel="match" href="multicol-dynamic-change-inside-break-inside-avoid-001-ref.html">
<style>
  input { -moz-appearance: none; -webkit-appearance: none; appearance: none; }

  .tweak input {
    border: 3px solid red;
  }
</style>
<div style="column-count: 2">
  a<br>
  <input>

  <div style="page-break-inside: avoid; break-inside: avoid;">
    b
    <div><input id="editme" value="."></div>
  </div>
</div>
<script>
function paint() {
  return new Promise(resolve => {
    requestAnimationFrame(() => requestAnimationFrame(resolve));
  });
}

(async function() {
  await paint();

  document.documentElement.classList.remove("tweak");

  await paint();

  document.getElementById("editme").value = "Am I clipped?";
  document.documentElement.classList.remove("reftest-wait");
})();
</script>

chromium/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-dynamic-change-inside-break-inside-avoid-001.html