chromium/chrome/test/data/accessibility/image_annotation_link.html

<!DOCTYPE html>
<body>
  <!-- An image should be annotated. -->
  <img src="red.png" width=16 height=16>

  <!-- If there's an image in a link, both should be annotated. -->
  <a href="#">
    <img src="green.png" width=16 height=16>
  </a>

  <!-- If there are two images, the link should not be annotated. -->
  <a href="#">
    <img src="red.png">
    <img src="printer.png">
  </a>

  <!-- If there's text and an image, the link should not be annotated. -->
  <a href="#">
    <img src="red.png">
    Text
  </a>

  <!-- An extra div is fine, we should still annotate the link. -->
  <a href="#">
    <div>
      <img src="printer.png" width=16 height=16>
    </div>
  </a>

  <!-- A positioned image should still annotate the link. -->
  <a href="#">
    <img src="green.png" width=16 height=16 style="position: absolute">
  </a>

</body>