diff -r 000000000000 -r 6474c204b198 chrome/test/unit/test_bug292789.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chrome/test/unit/test_bug292789.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+const MANIFESTS = [
+  do_get_file("data/test_bug292789.manifest")
+];
+
+registerManifests(MANIFESTS);
+
+var gIOS;
+var gCR;
+
+function check_accessibility(spec, desired)
+{
+  var uri = gIOS.newURI(spec, null, null);
+  var actual = gCR.allowContentToAccess(uri);
+  do_check_eq(desired, actual);
+}
+
+function run_test()
+{
+  gIOS = Cc["@mozilla.org/network/io-service;1"].
+    getService(Ci.nsIIOService);
+  gCR = Cc["@mozilla.org/chrome/chrome-registry;1"].
+    getService(Ci.nsIXULChromeRegistry);
+  gCR.checkForNewChrome();
+
+  check_accessibility("chrome://test1/content/", false);
+  check_accessibility("chrome://test1/content/foo.js", false);
+  check_accessibility("chrome://test2/content/", true);
+  check_accessibility("chrome://test2/content/foo.js", true);
+  check_accessibility("chrome://test3/content/", false);
+  check_accessibility("chrome://test3/content/foo.js", false);
+  check_accessibility("chrome://test4/content/", true);
+}