diff --git a/src/tests/config.cpp b/src/tests/config.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d9e344f04ea7b0809d5f3d45e46ce0d2acb7a390
--- /dev/null
+++ b/src/tests/config.cpp
@@ -0,0 +1,49 @@
+#include "transport/userregistry.h"
+#include "transport/config.h"
+#include "transport/storagebackend.h"
+#include "transport/user.h"
+#include "transport/transport.h"
+#include "transport/conversation.h"
+#include "transport/usermanager.h"
+#include "transport/localbuddy.h"
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <Swiften/Swiften.h>
+#include <Swiften/EventLoop/DummyEventLoop.h>
+#include <Swiften/Server/Server.h>
+#include <Swiften/Network/DummyNetworkFactories.h>
+#include <Swiften/Network/DummyConnectionServer.h>
+#include "Swiften/Server/ServerStanzaChannel.h"
+#include "Swiften/Server/ServerFromClientSession.h"
+#include "Swiften/Parser/PayloadParsers/FullPayloadParserFactoryCollection.h"
+#include "basictest.h"
+
+#include "transport/util.h"
+
+using namespace Transport;
+
+class ConfigTest : public CPPUNIT_NS :: TestFixture{
+	CPPUNIT_TEST_SUITE(ConfigTest);
+	CPPUNIT_TEST(updateBackendConfig);
+	CPPUNIT_TEST_SUITE_END();
+
+	public:
+		void setUp (void) {
+		}
+
+		void tearDown (void) {
+
+		}
+
+	void updateBackendConfig() {
+		Config cfg;
+		CPPUNIT_ASSERT(!cfg.hasKey("registration.needPassword"));
+
+		cfg.updateBackendConfig("[registration]\nneedPassword=0\n");
+		CPPUNIT_ASSERT(cfg.hasKey("registration.needPassword"));
+		CPPUNIT_ASSERT_EQUAL(false, CONFIG_BOOL(&cfg, "registration.needPassword"));
+	}
+
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION (ConfigTest);