Raw File
<!DOCTYPE html>
<html class="reftest-wait">
  <!-- Test: if textarea is not disabled and invalid, it is candidate for
             constraint validation and should be affected
             by :invalid pseudo-class. -->
  <link rel='stylesheet' type='text/css' href='style.css'>
  <script>
    function doTest()
    {
      var e = document.getElementById('t');
      e.setCustomValidity('foo');
      e.removeAttribute('disabled');
      document.documentElement.className='';
    }
    document.addEventListener("MozReftestInvalidate", doTest, false);
  </script>
  <body>
    <textarea class='invalid' id='t' disabled></textarea>
  </body>
</html>
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