LayoutTests/media/restore-from-page-cache.html

   1 <html>
   2     <head>
   3         <script src=media-file.js></script>
   4         <script src=video-test.js></script>
   5         <script>
   6             var mediaFile = findMediaFile("video", "content/test");
   7             var loadCount = 0;
   8
   9             if (window.layoutTestController) {
  10                 layoutTestController.dumpAsText();
  11                 layoutTestController.waitUntilDone();
  12                 layoutTestController.overridePreference("WebKitUsesPageCachePreferenceKey", 1);
  13             }
  14
  15             function pageshow(evt)
  16             {
  17                 if (!evt.persisted) {
  18                     // this is the first time the page has been loaded, setup the video element
  19                     setup();
  20                 } else {
  21                     consoleWrite("*** Page returned from cache");
  22
  23                     testExpected("loadCount", 1);
  24
  25                     // schedule the test to end shortly, but wait long enough for the element to fire loading events
  26                     //  if that is going to happen
  27                     setTimeout(function() { if (window.layoutTestController) layoutTestController.notifyDone(); }, 200);
  28                 }
  29             }
  30
  31             function canplaythrough()
  32             {
  33                 testExpected("loadCount", 0);
  34                 if (!loadCount) {
  35                     consoleWrite("*** Page going into cache");
  36                     setTimeout('window.location = "data:text/html,<script>history.back()<" + "/script>"', 0);
  37                 }
  38                 ++loadCount;
  39             }
  40
  41             function setup()
  42             {
  43                 video = mediaElement = document.getElementsByTagName('video')[0];
  44
  45                 waitForEvent('loadstart');
  46                 waitForEvent('canplaythrough', canplaythrough);
  47
  48                 video.src = mediaFile;
  49             }
  50
  51             window.onpageshow = pageshow;
  52         </script>
  53     </head>
  54     <body>
  55
  56         <video controls > </video>
  57         <p>Make sure we don't reload a &lt;video&gt; element when navigating back to an uncached page.</p>
  58     </body>
  59 </html>
  60