--- /dev/null
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2019 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 the functionality of the ParsedConvergenceTable class for
+// custom error computations, time rates
+
+#include <deal.II/base/function_lib.h>
+#include <deal.II/base/parsed_convergence_table.h>
+
+#include <deal.II/dofs/dof_handler.h>
+
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/fe/fe_system.h>
+
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/tria.h>
+
+#include <deal.II/lac/vector.h>
+
+#include <map>
+
+#include "../tests.h"
+
+int
+main()
+{
+ initlog();
+
+ ParsedConvergenceTable table({"u"}, {{ParsedConvergenceTableFlags::custom}});
+
+ ParameterHandler prm;
+ table.add_parameters(prm);
+
+ std::string input = "set Extra columns = dt\n"
+ "set Rate key = dt\n";
+
+ prm.parse_input_from_string(input);
+
+ Triangulation<2> tria;
+ GridGenerator::hyper_cube(tria);
+
+ FESystem<2> fe(FE_Q<2>(1), 1);
+ DoFHandler<2> dh(tria);
+
+ for (unsigned int i = 0; i < 5; ++i)
+ {
+ tria.refine_global(1);
+ dh.distribute_dofs(fe);
+ auto cycle = [&](const unsigned int) { return (i + 1) * 1.0; };
+ table.custom_error(cycle, dh, "cycle", true, 1.0 / (i * i + 1));
+ }
+ table.output_table(deallog.get_file_stream());
+}