diff -r 000000000000 -r 6474c204b198 testing/mozbase/mozhttpd/tests/baseurl.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/mozbase/mozhttpd/tests/baseurl.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+import mozhttpd
+import unittest
+
+class BaseUrlTest(unittest.TestCase):
+
+    def test_base_url(self):
+        httpd = mozhttpd.MozHttpd(port=0)
+        self.assertEqual(httpd.get_url(), None)
+        httpd.start(block=False)
+        self.assertEqual("http://127.0.0.1:%s/" % httpd.httpd.server_port,
+                         httpd.get_url())
+        self.assertEqual("http://127.0.0.1:%s/cheezburgers.html" % \
+                             httpd.httpd.server_port,
+                         httpd.get_url(path="/cheezburgers.html"))
+        httpd.stop()
+
+if __name__ == '__main__':
+    unittest.main()