diff --git a/tests/dependencytests.py b/tests/dependencytests.py
new file mode 100644
index 00000000..4d1e719e
--- /dev/null
+++ b/tests/dependencytests.py
@@ -0,0 +1,28 @@
+# Copyright (C) 2005, TUBITAK/UEKAE
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option)
+# any later version.
+#
+# Please read the COPYING file.
+#
+# Author: Eray Ozkural <eray@uludag.org.tr>
+
+import unittest
+import os
+
+from pisi.dependency import *
+
+class DependencyTestCase(unittest.TestCase):
+    def setUp(self):
+        pass
+
+    def testDep(self):
+        # a real life story bug #603
+        gtkmmdep = DepInfo()
+        gtkmmdep.versionFrom = '1.9.1'
+        gtkmmdep.package = 'atk'
+        self.assert_( not gtkmmdep.satisfies('atk', '1.8.0', 1) )
+        
+suite = unittest.makeSuite(DependencyTestCase)