diff -r 48962802d168 -r 175cf8c3a994 src/test/test_tools.h
--- a/src/test/test_tools.h	Wed Nov 10 20:14:32 2004 +0000
+++ b/src/test/test_tools.h	Wed Nov 10 21:42:28 2004 +0000
@@ -17,14 +17,18 @@
 #ifndef LEMON_TEST_TEST_TOOLS_H
 #define LEMON_TEST_TEST_TOOLS_H
 
+#include <iostream>
+#include <vector>
+
+#include <lemon/invalid.h>
+
+using namespace lemon;
+
 //! \ingroup misc
 //! \file
 //! \brief Some utility to write test programs.
 
 
-#include<iostream>
-#include<vector>
-
 ///If \c rc is fail, writes an error message end exit.
 
 ///If \c rc is fail, writes an error message end exit.