diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/extensions/test/xpcshell/test_shutdown.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_shutdown.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,65 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Verify that API functions fail if the Add-ons Manager isn't initialised.
+
+const IGNORE = ["escapeAddonURI", "shouldAutoUpdate", "getStartupChanges",
+                "addTypeListener", "removeTypeListener",
+                "addAddonListener", "removeAddonListener",
+                "addInstallListener", "removeInstallListener",
+                "addManagerListener", "removeManagerListener",
+                "mapURIToAddonID"];
+
+const IGNORE_PRIVATE = ["AddonAuthor", "AddonCompatibilityOverride",
+                        "AddonScreenshot", "AddonType", "startup", "shutdown",
+                        "registerProvider", "unregisterProvider",
+                        "addStartupChange", "removeStartupChange",
+                        "recordTimestamp", "recordSimpleMeasure",
+                        "recordException", "getSimpleMeasures", "simpleTimer",
+                        "setTelemetryDetails", "getTelemetryDetails",
+                        "callNoUpdateListeners"];
+
+function test_functions() {
+  for (let prop in AddonManager) {
+    if (typeof AddonManager[prop] != "function")
+      continue;
+    if (IGNORE.indexOf(prop) != -1)
+      continue;
+
+    try {
+      do_print("AddonManager." + prop);
+      AddonManager[prop]();
+      do_throw(prop + " did not throw an exception");
+    }
+    catch (e) {
+      if (e.result != Components.results.NS_ERROR_NOT_INITIALIZED)
+        do_throw(prop + " threw an unexpected exception: " + e);
+    }
+  }
+
+  for (let prop in AddonManagerPrivate) {
+    if (typeof AddonManagerPrivate[prop] != "function")
+      continue;
+    if (IGNORE_PRIVATE.indexOf(prop) != -1)
+      continue;
+
+    try {
+      do_print("AddonManagerPrivate." + prop);
+      AddonManagerPrivate[prop]();
+      do_throw(prop + " did not throw an exception");
+    }
+    catch (e) {
+      if (e.result != Components.results.NS_ERROR_NOT_INITIALIZED)
+        do_throw(prop + " threw an unexpected exception: " + e);
+    }
+  }
+}
+
+function run_test() {
+  createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
+  test_functions();
+  startupManager();
+  shutdownManager();
+  test_functions();
+}