diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/update/tests/unit_aus_update/updateCheckOnLoadOnErrorStatusText.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/update/tests/unit_aus_update/updateCheckOnLoadOnErrorStatusText.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,169 @@
+/* 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/.
+ */
+
+// Errors tested:
+// 200, 403, 404, 500, 2152398849, 2152398862, 2152398864, 2152398867,
+// 2152398868, 2152398878, 2152398890, 2152398919, 2152398920, 2153390069,
+// 2152398918, 2152398861
+
+var gNextRunFunc;
+var gExpectedStatusCode;
+var gExpectedStatusText;
+
+function run_test() {
+  setupTestCommon();
+
+  logTestInfo("testing nsIUpdateCheckListener onload and onerror error code " +
+              "and statusText values");
+
+  setUpdateURLOverride();
+  standardInit();
+  // The mock XMLHttpRequest is MUCH faster
+  overrideXHR(callHandleEvent);
+  do_execute_soon(run_test_pt1);
+}
+
+// Callback function used by the custom XMLHttpRequest implementation to
+// call the nsIDOMEventListener's handleEvent method for onload.
+function callHandleEvent() {
+  gXHR.status = gExpectedStatusCode;
+  var e = { target: gXHR };
+  gXHR.onload(e);
+}
+
+// Helper functions for testing nsIUpdateCheckListener statusText
+function run_test_helper(aNextRunFunc, aExpectedStatusCode, aMsg) {
+  gStatusCode = null;
+  gStatusText = null;
+  gCheckFunc = check_test_helper;
+  gNextRunFunc = aNextRunFunc;
+  gExpectedStatusCode = aExpectedStatusCode;
+  logTestInfo(aMsg, Components.stack.caller);
+  gUpdateChecker.checkForUpdates(updateCheckListener, true);
+}
+
+function check_test_helper() {
+  do_check_eq(gStatusCode, gExpectedStatusCode);
+  var expectedStatusText = getStatusText(gExpectedStatusCode);
+  do_check_eq(gStatusText, expectedStatusText);
+  gNextRunFunc();
+}
+
+/**
+ * The following tests use a custom XMLHttpRequest to return the status codes
+ */
+
+// default onerror error message (error code 399 is not defined)
+function run_test_pt1() {
+  gStatusCode = null;
+  gStatusText = null;
+  gCheckFunc = check_test_pt1;
+  gExpectedStatusCode = 399;
+  logTestInfo("testing default onerror error message");
+  gUpdateChecker.checkForUpdates(updateCheckListener, true);
+}
+
+function check_test_pt1() {
+  do_check_eq(gStatusCode, gExpectedStatusCode);
+  var expectedStatusText = getStatusText(404);
+  do_check_eq(gStatusText, expectedStatusText);
+  run_test_pt2();
+}
+
+// file malformed - 200
+function run_test_pt2() {
+  run_test_helper(run_test_pt3, 200,
+                  "testing file malformed");
+}
+
+// access denied - 403
+function run_test_pt3() {
+  run_test_helper(run_test_pt4, 403,
+                  "testing access denied");
+}
+
+// file not found - 404
+function run_test_pt4() {
+  run_test_helper(run_test_pt5, 404,
+                  "testing file not found");
+}
+
+// internal server error - 500
+function run_test_pt5() {
+  run_test_helper(run_test_pt6, 500,
+                  "testing internal server error");
+}
+
+// failed (unknown reason) - NS_BINDING_FAILED (2152398849)
+function run_test_pt6() {
+  run_test_helper(run_test_pt7, AUS_Cr.NS_BINDING_FAILED,
+                  "testing failed (unknown reason)");
+}
+
+// connection timed out - NS_ERROR_NET_TIMEOUT (2152398862)
+function run_test_pt7() {
+  run_test_helper(run_test_pt8, AUS_Cr.NS_ERROR_NET_TIMEOUT,
+                  "testing connection timed out");
+}
+
+// network offline - NS_ERROR_OFFLINE (2152398864)
+function run_test_pt8() {
+  run_test_helper(run_test_pt9, AUS_Cr.NS_ERROR_OFFLINE,
+                  "testing network offline");
+}
+
+// port not allowed - NS_ERROR_PORT_ACCESS_NOT_ALLOWED (2152398867)
+function run_test_pt9() {
+  run_test_helper(run_test_pt10, AUS_Cr.NS_ERROR_PORT_ACCESS_NOT_ALLOWED,
+                  "testing port not allowed");
+}
+
+// no data was received - NS_ERROR_NET_RESET (2152398868)
+function run_test_pt10() {
+  run_test_helper(run_test_pt11, AUS_Cr.NS_ERROR_NET_RESET,
+                  "testing no data was received");
+}
+
+// update server not found - NS_ERROR_UNKNOWN_HOST (2152398878)
+function run_test_pt11() {
+  run_test_helper(run_test_pt12, AUS_Cr.NS_ERROR_UNKNOWN_HOST,
+                  "testing update server not found");
+}
+
+// proxy server not found - NS_ERROR_UNKNOWN_PROXY_HOST (2152398890)
+function run_test_pt12() {
+  run_test_helper(run_test_pt13, AUS_Cr.NS_ERROR_UNKNOWN_PROXY_HOST,
+                  "testing proxy server not found");
+}
+
+// data transfer interrupted - NS_ERROR_NET_INTERRUPT (2152398919)
+function run_test_pt13() {
+  run_test_helper(run_test_pt14, AUS_Cr.NS_ERROR_NET_INTERRUPT,
+                  "testing data transfer interrupted");
+}
+
+// proxy server connection refused - NS_ERROR_PROXY_CONNECTION_REFUSED (2152398920)
+function run_test_pt14() {
+  run_test_helper(run_test_pt15, AUS_Cr.NS_ERROR_PROXY_CONNECTION_REFUSED,
+                  "testing proxy server connection refused");
+}
+
+// server certificate expired - 2153390069
+function run_test_pt15() {
+  run_test_helper(run_test_pt16, 2153390069,
+                  "testing server certificate expired");
+}
+
+// network is offline - NS_ERROR_DOCUMENT_NOT_CACHED (2152398918)
+function run_test_pt16() {
+  run_test_helper(run_test_pt17, AUS_Cr.NS_ERROR_DOCUMENT_NOT_CACHED,
+                  "testing network is offline");
+}
+
+// connection refused - NS_ERROR_CONNECTION_REFUSED (2152398861)
+function run_test_pt17() {
+  run_test_helper(doTestFinish, AUS_Cr.NS_ERROR_CONNECTION_REFUSED,
+                  "testing connection refused");
+}