--- /dev/null
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2018 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE.md at
+// the top level directory of deal.II.
+//
+// ---------------------------------------------------------------------
+
+
+// test rand function
+
+#include <deal.II/base/function_parser.h>
+#include <deal.II/base/point.h>
+
+#include <deal.II/lac/vector.h>
+
+#include <map>
+
+#include "../tests.h"
+
+
+double
+eval(const std::string &exp)
+{
+ FunctionParser<2> fp(exp);
+
+ Point<2> p;
+
+ return fp.value(p);
+}
+
+
+int
+main()
+{
+ initlog();
+
+ double random = eval("rand()"); // random seed
+
+ if (0.0 <= random && random <= 1.0)
+ deallog << "OK" << std::endl;
+
+ deallog << eval("rand_seed(10)") << std::endl;
+}