src/third_party/WebKit/LayoutTests/compositing/iframes/iframe-src-change.html

   1 <!DOCTYPE html>
   2
   3 <html>
   4 <head>
   5   <script src="../../resources/run-after-display.js"></script>
   6   <style type="text/css" media="screen">
   7     iframe {
   8         border: 10px solid black;
   9         padding: 5px;
  10         margin: 20px;
  11         height: 150px;
  12         width: 300px;
  13         -webkit-box-shadow: 0 0 20px black;
  14     }
  15
  16     .overlay {
  17       position: absolute;
  18       width: 50px;
  19       height: 50px;
  20       top: 5px;
  21       left: 5px;
  22       background-color: rgba(0, 0, 0, 0.2);
  23     }
  24
  25   </style>
  26   <script type="text/javascript" charset="utf-8">
  27     if (window.testRunner) {
  28         testRunner.dumpAsText();
  29         testRunner.waitUntilDone();
  30     }
  31
  32     function doTest()
  33     {
  34         var hadLayersBefore = false;
  35         var hadLayersAfter = false;
  36
  37         // Need to paint for overlap testing.
  38         runAfterDisplay(function() {
  39             if (window.testRunner) {
  40                 hadLayersBefore = window.internals.layerTreeAsText(document) != "";
  41             }
  42
  43             document.getElementById('parent-iframe').src = "about:blank";
  44
  45             runAfterDisplay(function() {
  46                 if (window.testRunner) {
  47                     hadLayersAfter = window.internals.layerTreeAsText(document) != "";
  48
  49                     var results = document.getElementById('results');
  50                     if (hadLayersBefore && !hadLayersAfter)
  51                         results.innerText = "PASS: layers disappeared when iframe source changed."
  52                     else if (!hadLayersBefore)
  53                         results.innerText = "FAIL: should have initially had layers, but did not."
  54                     else if (hadLayersAfter)
  55                         results.innerText = "FAIL: layers did not disappear when iframe source changed."
  56
  57                     testRunner.notifyDone();
  58                 }
  59             });
  60         });
  61     }
  62
  63     window.addEventListener('load', doTest, false);
  64   </script>
  65 </head>
  66 <body>
  67
  68     <iframe id="parent-iframe" src="resources/composited-subframe.html"></iframe>
  69
  70     <div class="overlay">
  71     </div>
  72
  73     <p>The iframe content was removed. There should be no layers here.</p>
  74     <p id="results">This test needs to be run in DRT.</p>
  75 </body>
  76 </html>