multicol-span-all-restyle-001.html | Explore in Territory

<!DOCTYPE html>
<html class="reftest-wait">
  <meta charset="utf-8">
  <title>CSS Multi-column Layout Test: Restyle column-span's parent that is a block</title>
  <link rel="author" title="Ting-Yu Lin" href="mailto:[email protected]">
  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
  <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span">
  <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/1072">
  <link rel="match" href="multicol-span-all-restyle-001-ref.html">
  <meta name="assert" content="This test checks change the style of the spanner's parent should not affect the spanner.">

  <script>
  function runTest() {
    document.body.offsetHeight; // flush layout

    var div = document.getElementById("div");
    div.style.backgroundColor = "yellow";

    document.documentElement.removeAttribute("class");
  }
  </script>

  <style>
  #column {
    column-count: 1;
    width: 400px;
    outline: 1px solid black;
  }
  h3 {
    column-span: all;
  }
  </style>

  <body onload="runTest();">
    <article id="column">
      <div id="div">
        <div>yellow block1</div>
        <h3>spanner (no background-color)</h3>
        <div>yellow block2</div>
      </div>
    </article>
  </body>
</html>

chromium/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-span-all-restyle-001.html