<!doctype html>
<html lang=en>
  <meta charset=utf-8>
  <title>CSS-contain test: layout containment and forced breaks</title>
  <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">
  <meta name=flags content="">
  <meta name=assert content="layout containment allows forced breaks.">
  <link rel="match" href="reference/contain-style-breaks-004-ref.html">
  <link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-layout">
  <link rel=help href="https://drafts.csswg.org/css-break-3/#forced-break">

<style>
article {
  columns: 2 1ch;
  column-gap: 0;
  float: left;
  font-family: monospace;
  margin-right: 3em;
  line-height: 1;
  height: 4em;
  column-fill: auto;
}
div > div:last-of-type {
  break-before: column;
}
#test > div {
  contain: layout;
}
</style>

<p>Test passes if there are two identical blocks “A” letters below.
<article id=ref>
  <div>
    <div>A<br>A</div>
    <div>A<br>A</div>
  </div>
</article>
<article id=test>
  <div>
    <div>A<br>A</div>
    <div>A<br>A</div>
  </div>
</article>
<!--
Having two blocks to avoid making browsers that don't support forced break at all fail.
Since containment is supposed to have no effect, failing such browsers would not be useful.
-->
