-is_deeply( [ $store->known_CPE ], [ 123456, 99999 ], 'known_CPE' );
+ ok( $store->update_state( ID => 11, { DeviceID => { SerialNumber => 99999 } } ), 'new device' );
+
+ is_deeply( [ $store->all_uids ], [ 123456, 99999 ], 'all_uids' );
+
+}
+
+# now test all stores
+
+test_store('DBMDeep');
+test_store('YAML');