diff -r 000000000000 -r 6474c204b198 uriloader/exthandler/tests/mochitest/unsafeBidiFileName.sjs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uriloader/exthandler/tests/mochitest/unsafeBidiFileName.sjs	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+/* 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/. */
+
+function handleRequest(request, response) {
+  response.setStatusLine(request.httpVersion, 200, "OK");
+
+  if (!request.queryString.match(/^name=/))
+    return;
+  var name = decodeURIComponent(request.queryString.substring(5));
+
+  response.setHeader("Content-Type", "application/octet-stream; name=\"" + name + "\"");
+  response.setHeader("Content-Disposition", "inline; filename=\"" + name + "\"");
+}