<!DOCTYPE html>
<html>
  <!--
    This test checks that setting a background on a ::placeholder works.
    However, given that it is not possible to do an actualy equality check, we
    have te check that setting a background doesn't produce the same result
    as not setting it.
  -->
  <style>
    :-moz-any(input, textarea).color::placeholder {
      background-color: blue;
    }
    :-moz-any(input, textarea).gradient::placeholder {
      background: linear-gradient(to right, blue, white, red);
    }
  </style>
  <body>
    <input class="color" placeholder='foo'>
    <textarea class="color" placeholder='foo'></textarea>
    <input class="gradient" placeholder='foo'>
    <textarea class="gradient" placeholder='foo'></textarea>
  </body>
</html>