js/xpconnect/tests/chrome/test_sharedChromeCompartment.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=1517694
   5 -->
   6 <head>
   7   <meta charset="utf-8">
   8   <title>Test for Bug 1517694</title>
   9   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  10   <link rel="stylesheet" type="text/css" href="chrome://global/skin"/>
  11   <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
  12   <script type="application/javascript">
  13 "use strict";
  14
  15 /** Test for Bug 1517694 **/
  16 const { XPCOMUtils } = ChromeUtils.importESModule(
  17   "resource://gre/modules/XPCOMUtils.sys.mjs"
  18 );
  19
  20 SimpleTest.waitForExplicitFinish();
  21
  22 function go() {
  23     var frame = $('subframe');
  24     frame.onload = null;
  25
  26     var isSameCompartment = Cu.getJSTestingFunctions().isSameCompartment;
  27
  28     ok(isSameCompartment(window, frame.contentWindow),
  29        "System window is in same compartment");
  30
  31     var sameCompSb = Cu.Sandbox(window);
  32     ok(isSameCompartment(window, sameCompSb),
  33        "System sandbox is in same compartment");
  34
  35     var ownCompSb = Cu.Sandbox(window, {freshCompartment: true});
  36     ok(!isSameCompartment(window, ownCompSb),
  37        "Sandbox created with freshCompartment is in separate compartment");
  38
  39     // Sandbox created in fresh-compartment sandbox must be in shared
  40     // compartment.
  41     var sb = Cu.evalInSandbox(`
  42       let principal =
  43         Cc["@mozilla.org/systemprincipal;1"].getService(Ci.nsIPrincipal);
  44       Cu.Sandbox(principal)
  45     `, ownCompSb);
  46     ok(isSameCompartment(window, sb),
  47        "System sandbox created in different compartment is in system compartment");
  48
  49     ok(isSameCompartment(window, XPCOMUtils),
  50        "Object defined in JSM is in same compartment");
  51
  52     SimpleTest.finish();
  53 }
  54
  55   </script>
  56 </head>
  57 <body>
  58 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1517694">Mozilla Bug 1517694</a>
  59
  60 <iframe id="subframe" src="file_empty.html" onload="go()"></iframe>
  61
  62 </body>
  63 </html>