chromium/third_party/blink/web_tests/external/wpt/css/css-contain/contain-paint-cell-002.html

<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Containment Test: 'contain: paint' and table-cell elements</title>

  <link rel="author" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-paint">
  <link rel="match" href="reference/contain-paint-047-ref.html">

  <meta content="This test checks that the paint containment applies to table-cell elements. Therefore the content of the table-cell element should be clipped to the padding edge of its principal box." name="assert">

  <style>
  table
    {
      border-spacing: 0px;
      /* to help reuse an already created reference file */
      font-family: monospace;
      font-size: 100px;
      table-layout: fixed;
      width: 4ch;
    }

  td
    {
      padding: 0px;
      /* to help reuse an already created reference file */
    }

  col#middle-column
    {
      width: 4ch;
    }

  td#test
    {
      color: green;
      contain: paint;
  }

  span
    {
      background-color: red;
      color: yellow;
    }
  </style>

  <p>Test passes if there is <strong>no red</strong>.

  <table>

    <col><col id="middle-column"><col>

    <tr><td><td><td>

    <tr><td><td id="test">PASS<span>FAIL</span><td>

    <tr><td><td><td>

  </table>