chromium/third_party/blink/web_tests/external/wpt/css/css-position/multicol/static-position/vlr-rtl-rtl-in-multicol.html

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
<link rel="match" href="vlr-in-multicol-ref.html">
<meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
  body { writing-mode: vertical-lr; }
  .container {
    position: relative;
    background: green;
    font: 16px/1 Ahem;
    inline-size: 80px;
    block-size: 100px;
    color: green;
  }
  .multicol {
    column-count: 2;
    column-fill: auto;
    column-gap: 0;
    block-size: 100px;
    inline-size: 160px;
  }
  .red { color: red; }
  .cb {
    position: relative;
    inset-block-start: 15px;
    inset-inline-start: 20px;
  }
  .rtl { direction: rtl; }
  .ltr { direction: ltr; }
  .inline { display: inline; }
  .abs { position: absolute; }
</style>

There should be no red.
<div class="multicol">
  <div class="container rtl">
    X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span>
  </div>

  <div class="container rtl">
    X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
  </div>

  <div class="container rtl">
    X<span class="rtl cb">X<div class="abs inline">XX</div><span class="red">XX</span></span>
  </div>

  <div class="container rtl">
    X<span class="rtl cb">X<div class="abs block">XX</div><br><span class="red">XX</span></span>
  </div>

  <div class="container rtl">
    <span class="cb">X<span class="rtl">X<div class="abs inline">XX</div><span class="red">XX</span></span></span>
  </div>

  <div class="container rtl">
    <span class="cb">X<span class="rtl">X<div class="abs block">XX</div><br><span class="red">XX</span></span></span>
  </div>
</div>