chrome/test/data/policy/blacklist-subresources.html

   1 <html>
   2 <script>
   3
   4 var imageLoadResult = 'N/A';
   5 var iframeLoadResult = 'N/A';
   6
   7 function imageLoaded() {
   8   var image = document.getElementById('blacklisted_image');
   9   // Additional sanity check to make sure the image is indeed loaded.
  10   // Not strictly needed.
  11   if (image.height == 1 && image.width == 1) {
  12     imageLoadResult = "success";
  13   } else {
  14     imageLoadResult = "error";
  15   }
  16 }
  17
  18 function imageError() {
  19   imageLoadResult = "error";
  20 }
  21
  22 function iframeLoaded() {
  23   // Unfortunately, iframe load errors generally don't result in onerror
  24   // actually being called, so also check that the title is accessible.
  25   // Since this is a same-site iframe, it generally should be, unless there's
  26   // an error page showing in the iframe, in which case it's treated as a
  27   // cross-domain iframe.
  28   try {
  29     document.getElementById('blacklisted_iframe').contentDocument.title;
  30     iframeLoadResult = "success";
  31   } catch (err) {
  32     iframeLoadResult = "error";
  33   }
  34 }
  35
  36 function iframeError() {
  37   iframeLoadResult = "error";
  38 }
  39
  40 </script>
  41 <img id="blacklisted_image" src="pixel.png" onload="imageLoaded()" onerror="imageError()"></img>
  42 <iframe id="blacklisted_iframe" src="blank.html" onload="iframeLoaded()" onerror="iframeError()"></iframe>
  43 </html>