1 files changed, 64 insertions, 0 deletions
diff --git a/dom/base/test/unit/test_error_codes.js b/dom/base/test/unit/test_error_codes.js
new file mode 100644
index 0000000000..2a963d6aa5
--- /dev/null
+++ b/dom/base/test/unit/test_error_codes.js
@@ -0,0 +1,64 @@
+/* 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/.
+ */
+
+var gExpectedStatus = null;
+var gNextTestFunc = null;
+
+var prefs = Services.prefs;
+
+var asyncXHR = {
+  load() {
+    var request = new XMLHttpRequest();
+    request.open("GET", "http://localhost:4444/test_error_code.xml", true);
+
+    var self = this;
+    request.addEventListener("error", function(event) {
+      self.onError(event);
+    });
+    request.send(null);
+  },
+  onError: function doAsyncRequest_onError(event) {
+    var request = event.target.channel.QueryInterface(Ci.nsIRequest);
+    Assert.equal(request.status, gExpectedStatus);
+    gNextTestFunc();
+  },
+};
+
+function run_test() {
+  do_test_pending();
+  do_timeout(0, run_test_pt1);
+}
+
+// network offline
+function run_test_pt1() {
+  try {
+    Services.io.manageOfflineStatus = false;
+  } catch (e) {}
+  Services.io.offline = true;
+  prefs.setBoolPref("network.dns.offline-localhost", false);
+  // We always resolve localhost as it's hardcoded without the following pref:
+  prefs.setBoolPref("network.proxy.allow_hijacking_localhost", true);
+
+  gExpectedStatus = Cr.NS_ERROR_OFFLINE;
+  gNextTestFunc = run_test_pt2;
+  dump("Testing error returned by async XHR when the network is offline\n");
+  asyncXHR.load();
+}
+
+// connection refused
+function run_test_pt2() {
+  Services.io.offline = false;
+  prefs.clearUserPref("network.dns.offline-localhost");
+  prefs.clearUserPref("network.proxy.allow_hijacking_localhost");
+
+  gExpectedStatus = Cr.NS_ERROR_CONNECTION_REFUSED;
+  gNextTestFunc = end_test;
+  dump("Testing error returned by aync XHR when the connection is refused\n");
+  asyncXHR.load();
+}
+
+function end_test() {
+  do_test_finished();
+}