js/xpconnect/tests/chrome/test_bug773962.xhtml

   1 <?xml version="1.0"?>
   2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
   3 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
   4 <!--
   5 https://bugzilla.mozilla.org/show_bug.cgi?id=773962
   6 -->
   7 <window title="Mozilla Bug 773962"
   8         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   9   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
  10
  11   <!-- test results are displayed in the html:body -->
  12   <body xmlns="http://www.w3.org/1999/xhtml">
  13   <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=773962"
  14      target="_blank">Mozilla Bug 773962</a>
  15   </body>
  16
  17   <!-- test code goes here -->
  18   <script type="application/javascript">
  19   <![CDATA[
  20
  21   /** Test for remapping Xray waivers during brain transplant. **/
  22   SimpleTest.waitForExplicitFinish();
  23
  24   var gFramesLoaded = 0;
  25   function frameLoaded() {
  26     ++gFramesLoaded;
  27     if (gFramesLoaded == 2)
  28       startTest();
  29     if (gFramesLoaded == 3)
  30       finishTest();
  31   }
  32
  33   var win1;
  34   var win2;
  35   var node1;
  36   var loc1;
  37   var win1Waiver;
  38   var node1Waiver;
  39   var loc1Waiver;
  40
  41   function startTest() {
  42     // grab the windows and the node.
  43     win1 = document.getElementById('frame1').contentWindow;
  44     win2 = document.getElementById('frame2').contentWindow;
  45     node1 = win1.document.getElementById('text');
  46     loc1 = win1.location;
  47
  48     // Grab some Xray waivers.
  49     win1Waiver = win1.wrappedJSObject;
  50     node1Waiver = node1.wrappedJSObject;
  51     loc1Waiver = win1Waiver.location;
  52
  53     // Adopt node1 into win2. This causes node1 to be transplanted.
  54     win2.document.adoptNode(node1);
  55
  56     // Navigate win1. This causes win1 to be transplanted.
  57     win1.location = "https://test2.example.org/tests/js/xpconnect/tests/mochitest/file_empty.html";
  58
  59     // The above happens async. Our onload handler will call finishTest() when we're ready.
  60   }
  61
  62   function finishTest() {
  63     // Now, recompute some wrappers.
  64     Cu.recomputeWrappers();
  65
  66     // First, pat ourselves on the back for not asserting/crashing. That's most of
  67     // what we're really testing here.
  68     ok(true, "Didn't crash!");
  69
  70     // Now, make sure everything is set up how we expect.
  71     ok(Cu.isDeadWrapper(win1Waiver), "window waiver should go away after navigation");
  72     ok(node1Waiver === node1.wrappedJSObject, "waivers still work");
  73     ok(Cu.unwaiveXrays(node1Waiver) === node1, "waivers still work");
  74
  75     // The semantics of location are tricky, because win1 now has a new location object.
  76     // In fact, loc1 should be a dead object proxy. Let's make sure we get this right.
  77     ok(loc1 !== win1.location, "navigation means different window.location");
  78     ok(loc1Waiver !== win1.location.wrappedJSObject, "navigation means different window.location");
  79
  80     // Whew.
  81     SimpleTest.finish();
  82   }
  83
  84   ]]>
  85   </script>
  86   <iframe id="frame1" onload="frameLoaded();" type="content" src="https://test1.example.org/tests/js/xpconnect/tests/mochitest/file_empty.html" />
  87   <iframe id="frame2" onload="frameLoaded();" type="content" src="https://test1.example.org/tests/js/xpconnect/tests/mochitest/file_empty.html" />
  88 </window>