1 files changed, 23 insertions, 0 deletions
diff --git a/docshell/test/unit/test_pb_notification.js b/docshell/test/unit/test_pb_notification.js
new file mode 100644
index 000000000..82018f585
--- /dev/null
+++ b/docshell/test/unit/test_pb_notification.js
@@ -0,0 +1,23 @@
+if (typeof Cc === "undefined")
+  Cc = Components.classes;
+if (typeof Ci === "undefined")
+  Ci = Components.interfaces;
+
+function destroy_transient_docshell() {
+  var docshell = Cc["@mozilla.org/docshell;1"].createInstance(Ci.nsIDocShell);
+  docshell.setOriginAttributes({privateBrowsingId : 1});
+  do_test_pending();
+  do_timeout(0, Components.utils.forceGC);
+}
+
+function run_test() {
+  var obs = {
+    observe: function(aSubject, aTopic, aData) {
+      do_check_eq(aTopic, "last-pb-context-exited");
+      do_test_finished();
+    }
+  };
+  var os = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
+  os.addObserver(obs, "last-pb-context-exited", false);
+  destroy_transient_docshell();
+}