diff -r 000000000000 -r 6474c204b198 toolkit/components/downloads/test/unit/test_bug_395092.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/downloads/test/unit/test_bug_395092.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,68 @@
+/* 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/. */
+
+// This file tests Bug 395092 - specifically that dl-start event isn't
+// dispatched for resumed downloads.
+
+const nsIDownloadManager = Ci.nsIDownloadManager;
+const dm = Cc["@mozilla.org/download-manager;1"].getService(nsIDownloadManager);
+
+var observer = {
+  mCount: 0,
+  id: 0,
+  observe: function observe(aSubject, aTopic, aData)
+  {
+    print("observering " + aTopic);
+    if ("dl-start" == aTopic) {
+      var dl = aSubject.QueryInterface(Ci.nsIDownload);
+      this.id = dl.id;
+      dm.pauseDownload(this.id);
+      this.mCount++;
+      do_check_eq(1, this.mCount);
+    } else if ("timer-callback" == aTopic) {
+      dm.resumeDownload(this.id);
+    }
+  }
+};
+
+var httpserv = null;
+var timer = null;
+function run_test()
+{
+  if (oldDownloadManagerDisabled()) {
+    return;
+  }
+
+  httpserv = new HttpServer();
+  httpserv.registerDirectory("/", do_get_cwd());
+  httpserv.start(-1);
+
+  // our download listener
+  var listener = {
+    onDownloadStateChange: function(aOldState, aDownload)
+    {
+      if (Ci.nsIDownloadManager.DOWNLOAD_PAUSED == aDownload.state) {
+        // This is so hacky, but it let's the nsWebBrowserPersist catch up with
+        // the script...
+        timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+        timer.init(observer, 0, Ci.nsITimer.TYPE_ONE_SHOT);
+      }
+
+      if (Ci.nsIDownloadManager.DOWNLOAD_FINISHED == aDownload.state)
+        do_test_finished();
+    },
+    onStateChange: function(a, b, c, d, e) { },
+    onProgressChange: function(a, b, c, d, e, f, g) { },
+    onSecurityChange: function(a, b, c, d) { }
+  };
+  dm.addListener(listener);
+  dm.addListener(getDownloadListener());
+
+  var os = Cc["@mozilla.org/observer-service;1"].
+           getService(Ci.nsIObserverService);
+  os.addObserver(observer, "dl-start", false);
+
+  addDownload(httpserv);
+  do_test_pending();
+}