dom/base/test/test_plugin_freezing.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <title>Test for plugin freezing and thawing</title>
   5   <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
   6   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   7   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
   8 </head>
   9 <body>
  10 <div id="content" style="display: none">
  11 </div>
  12 <embed id='e1' type='application/x-test'></embed>
  13 <script>
  14 var e1 = document.getElementById('e1');
  15 var w;
  16
  17 var testIndex = 0;
  18 var tests;
  19
  20 window.addEventListener("unload", function() {
  21   e1.stopWatchingInstanceCount();
  22 });
  23
  24 function nextTest() {
  25   if (testIndex == tests.length) {
  26     if (w) {
  27       w.close();
  28     }
  29     SimpleTest.waitForFocus(function() {
  30       SimpleTest.finish();
  31     });
  32     return;
  33   }
  34
  35   var test = tests[testIndex];
  36   ++testIndex;
  37   test();
  38 }
  39
  40 function waitForInstanceCount(n) {
  41   if (e1.getInstanceCount() == n) {
  42     ok(true, "reached instance count " + n);
  43     nextTest();
  44     return;
  45   }
  46   setTimeout(function() { waitForInstanceCount(n); }, 0);
  47 }
  48
  49 tests = [
  50   function() { waitForInstanceCount(1); },
  51   function() { w.location.href = "about:blank";
  52                waitForInstanceCount(0); },
  53 ];
  54
  55 try {
  56   e1.startWatchingInstanceCount();
  57   var w = window.open("data:text/html,<embed id='e2' type='application/x-test'></embed>");
  58   SimpleTest.waitForFocus(nextTest, w);
  59   SimpleTest.waitForExplicitFinish();
  60 } catch (err) {
  61   todo(false, "Instances already being watched?");
  62 }
  63
  64 </script>
  65 <pre id="test">
  66 </pre>
  67 </body>
  68 </html>