js/xpconnect/tests/chrome/test_exnstack.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=735544
   6 -->
   7 <window title="Mozilla Bug 735544"
   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=735544"
  14      target="_blank">Mozilla Bug 735544</a>
  15  <iframe id='ifr0' onload="frameDone(0);" src="http://mochi.test:8888/tests/js/xpconnect/tests/mochitest/file_exnstack.html" />
  16  <iframe id='ifr1' onload="frameDone(1);" src="http://mochi.test:8888/tests/js/xpconnect/tests/mochitest/file_exnstack.html" />
  17   </body>
  18
  19   <!-- test code goes here -->
  20   <script type="application/javascript">
  21   <![CDATA[
  22   /** Test for Bug 735544 - Allow exception stacks to cross compartment boundaries **/
  23
  24   SimpleTest.waitForExplicitFinish();
  25
  26   var gFramesDone = [false, false];
  27   function frameDone(idx) {
  28     gFramesDone[idx] = true;
  29     if (gFramesDone[0] && gFramesDone[1])
  30       startTest();
  31   }
  32
  33   function throwAsChrome() {
  34
  35     // Grab the iframe content windows.
  36     var cwin0 = document.getElementById('ifr0').contentWindow;
  37     var cwin1 = document.getElementById('ifr1').contentWindow;
  38
  39     // Have cwin0 call a function on cwin1 that throws.
  40     cwin0.wrappedJSObject.doThrow(cwin1);
  41   }
  42
  43   function startTest() {
  44
  45     try {
  46       throwAsChrome();
  47       ok(false, "should throw");
  48     } catch (e) {
  49
  50       let stackFrames = e.stack.split("\n");
  51
  52       ok(/throwAsInner/.exec(stackFrames[0]),
  53          "The bottom frame should be thrown by the inner");
  54
  55       ok(/throwAsOuter/.exec(stackFrames[2]),
  56          "The 3rd-from-bottom frame should be thrown by the other");
  57
  58       ok(!/throwAsChrome/.exec(e.stack),
  59          "The entire stack should not cross into chrome.");
  60     }
  61
  62     SimpleTest.finish();
  63   }
  64
  65   ]]>
  66   </script>
  67
  68 </window>