wpt/css/css-multicol/no-balancing-after-column-span.html at master · web-platform-tests/wpt · GitHub

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<!DOCTYPE html>
<html>
  <meta charset="utf-8">
  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
  <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/4689">
  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
  <meta name="assert" content="This test verifies columns are not balancing after a column-spanning element in a fixed height and column-fill:auto column container.">

  <style>
  .columns {
    column-fill: auto;
    column-count: 2;
    column-gap: 0;
    width: 200px;
    height: 100px;
  }
  .colspan {
    column-span: all;
  }
  .content {
    height: 100px;
    background: green;
  }
  </style>

  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
  <div class="columns">
    <div class="colspan"></div>
    <div class="content"></div>
  </div>
</html>