From: Lei Qiao <qiaol618@gmail.com>
Date: Tue, 13 Oct 2015 18:59:31 +0000 (-0500)
Subject: add test case mpi/tria_signals_01
X-Git-Tag: v8.4.0-rc2~285^2~5
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=343bb05e295be022167cda65eeb6e6126e5929a8;p=dealii.git

add test case mpi/tria_signals_01
---

diff --git a/tests/mpi/tria_signals_01.cc b/tests/mpi/tria_signals_01.cc
new file mode 100644
index 0000000000..b4ae7b6351
--- /dev/null
+++ b/tests/mpi/tria_signals_01.cc
@@ -0,0 +1,182 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2015 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 at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+// test signals of Triangulation class in parallel
+
+#include "../tests.h"
+#include <deal.II/grid/tria.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/distributed/tria.h>
+
+int signal_counter_create = 0;
+int signal_counter_pre_refinement = 0;
+int signal_counter_post_refinement = 0;
+int signal_counter_pre_coarsening_on_cell = 0;
+int signal_counter_post_refinement_on_cell = 0;
+int signal_counter_copy = 0;
+int signal_counter_clear = 0;
+int signal_counter_any_change = 0;
+
+std::ofstream logfile;
+
+void f_create ()
+{
+  ++signal_counter_create;
+  return;
+}
+
+void f_pre_refinement ()
+{
+  ++signal_counter_pre_refinement;
+  return;
+}
+
+void f_post_refinement ()
+{
+  ++signal_counter_post_refinement;
+  return;
+}
+
+template<int dim, int spacedim>
+void f_pre_coarsening_on_cell (const typename Triangulation<dim, spacedim>::cell_iterator &)
+{
+  ++signal_counter_pre_coarsening_on_cell;
+  return;
+}
+
+template<int dim, int spacedim>
+void f_post_refinement_on_cell (const typename Triangulation<dim, spacedim>::cell_iterator &)
+{
+  ++signal_counter_post_refinement_on_cell;
+  return;
+}
+
+template<int dim, int spacedim>
+void f_copy (const Triangulation<dim, spacedim> &)
+{
+  ++signal_counter_copy;
+  return;
+}
+
+void f_clear ()
+{
+  ++signal_counter_clear;
+  return;
+}
+
+void f_any_change ()
+{
+  ++signal_counter_any_change;
+  return;
+}
+
+
+template<int dim, int spacedim>
+void test()
+{
+  signal_counter_create = 0;
+  signal_counter_pre_refinement = 0;
+  signal_counter_post_refinement = 0;
+  signal_counter_pre_coarsening_on_cell = 0;
+  signal_counter_post_refinement_on_cell = 0;
+  signal_counter_copy = 0;
+  signal_counter_clear = 0;
+  signal_counter_any_change = 0;
+
+  typedef parallel::distributed::Triangulation<dim, spacedim> TriaType;
+
+  {
+    const std::string prefix = Utilities::int_to_string (dim, 1) +
+                               "d-" +
+                               Utilities::int_to_string (spacedim, 1)
+                               + "d";
+    deallog.push(prefix.c_str());
+  }
+
+  TriaType tria(MPI_COMM_WORLD);
+
+  tria.signals.create.connect (&f_create);
+  tria.signals.pre_refinement.connect (&f_pre_refinement);
+  tria.signals.post_refinement.connect (&f_post_refinement);
+  tria.signals.pre_coarsening_on_cell.connect (&f_pre_coarsening_on_cell<dim,spacedim>);
+  tria.signals.post_refinement_on_cell.connect (&f_post_refinement_on_cell<dim,spacedim>);
+  tria.signals.copy.connect (&f_copy<dim,spacedim>);
+  tria.signals.clear.connect (&f_clear);
+  tria.signals.any_change.connect (&f_any_change);
+
+  GridGenerator::hyper_cube(tria);
+
+  // Test signal on copying
+  {
+    TriaType tria_cpoier(MPI_COMM_WORLD);
+    tria_cpoier.copy_triangulation(tria);
+  }
+
+  tria.refine_global(2);
+
+  // Test signal on coarsening
+  {
+    typename TriaType::active_cell_iterator cell = tria.begin_active();
+    const typename TriaType::active_cell_iterator endc = tria.end();
+
+    for (; cell != endc; ++cell)
+      {
+        cell->set_coarsen_flag();
+      }
+    tria.execute_coarsening_and_refinement();
+  }
+
+  tria.clear();
+
+  deallog << "n_signal_create : " << signal_counter_create << std::endl;
+  deallog << "n_signal_pre_refinement : " << signal_counter_pre_refinement << std::endl;
+  deallog << "n_signal_post_refinement : " << signal_counter_post_refinement << std::endl;
+  deallog << "n_signal_pre_coarsening_on_cell : " << signal_counter_pre_coarsening_on_cell << std::endl;
+  deallog << "n_signal_post_refinement_on_cell : " << signal_counter_post_refinement_on_cell << std::endl;
+  deallog << "n_signal_copy : " << signal_counter_copy << std::endl;
+  deallog << "n_signal_clear : " << signal_counter_clear << std::endl;
+  deallog << "n_signal_any_change : " << signal_counter_any_change << std::endl;
+
+  deallog.pop();
+  return;
+}
+
+int main(int argc, char *argv[])
+{
+  Utilities::MPI::MPI_InitFinalize mpi_initialization (argc, argv, /* int max_num_threads */ 1);
+  MPILogInitAll log;
+
+  // parallel::distributed::Triangulation<1, spacedim> is not valid.
+  {
+    const int dim = 2;
+    const int spacedim = 2;
+    test<dim,spacedim> ();
+  }
+
+  {
+    const int dim = 2;
+    const int spacedim = 3;
+    test<dim,spacedim> ();
+  }
+
+  {
+    const int dim = 3;
+    const int spacedim = 3;
+    test<dim,spacedim> ();
+  }
+
+  return (0);
+}
diff --git a/tests/mpi/tria_signals_01.mpirun=1.output b/tests/mpi/tria_signals_01.mpirun=1.output
new file mode 100644
index 0000000000..332e276fe7
--- /dev/null
+++ b/tests/mpi/tria_signals_01.mpirun=1.output
@@ -0,0 +1,25 @@
+
+DEAL:0:2d-2d::n_signal_create : 1
+DEAL:0:2d-2d::n_signal_pre_refinement : 7
+DEAL:0:2d-2d::n_signal_post_refinement : 7
+DEAL:0:2d-2d::n_signal_pre_coarsening_on_cell : 4
+DEAL:0:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:0:2d-2d::n_signal_copy : 1
+DEAL:0:2d-2d::n_signal_clear : 1
+DEAL:0:2d-2d::n_signal_any_change : 9
+DEAL:0:2d-3d::n_signal_create : 1
+DEAL:0:2d-3d::n_signal_pre_refinement : 7
+DEAL:0:2d-3d::n_signal_post_refinement : 7
+DEAL:0:2d-3d::n_signal_pre_coarsening_on_cell : 4
+DEAL:0:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:0:2d-3d::n_signal_copy : 1
+DEAL:0:2d-3d::n_signal_clear : 1
+DEAL:0:2d-3d::n_signal_any_change : 9
+DEAL:0:3d-3d::n_signal_create : 1
+DEAL:0:3d-3d::n_signal_pre_refinement : 7
+DEAL:0:3d-3d::n_signal_post_refinement : 7
+DEAL:0:3d-3d::n_signal_pre_coarsening_on_cell : 8
+DEAL:0:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:0:3d-3d::n_signal_copy : 1
+DEAL:0:3d-3d::n_signal_clear : 1
+DEAL:0:3d-3d::n_signal_any_change : 9
diff --git a/tests/mpi/tria_signals_01.mpirun=11.output b/tests/mpi/tria_signals_01.mpirun=11.output
new file mode 100644
index 0000000000..c5381a7c61
--- /dev/null
+++ b/tests/mpi/tria_signals_01.mpirun=11.output
@@ -0,0 +1,285 @@
+
+DEAL:0:2d-2d::n_signal_create : 1
+DEAL:0:2d-2d::n_signal_pre_refinement : 4
+DEAL:0:2d-2d::n_signal_post_refinement : 4
+DEAL:0:2d-2d::n_signal_pre_coarsening_on_cell : 0
+DEAL:0:2d-2d::n_signal_post_refinement_on_cell : 0
+DEAL:0:2d-2d::n_signal_copy : 1
+DEAL:0:2d-2d::n_signal_clear : 1
+DEAL:0:2d-2d::n_signal_any_change : 6
+DEAL:0:2d-3d::n_signal_create : 1
+DEAL:0:2d-3d::n_signal_pre_refinement : 4
+DEAL:0:2d-3d::n_signal_post_refinement : 4
+DEAL:0:2d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:0:2d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:0:2d-3d::n_signal_copy : 1
+DEAL:0:2d-3d::n_signal_clear : 1
+DEAL:0:2d-3d::n_signal_any_change : 6
+DEAL:0:3d-3d::n_signal_create : 1
+DEAL:0:3d-3d::n_signal_pre_refinement : 8
+DEAL:0:3d-3d::n_signal_post_refinement : 8
+DEAL:0:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:0:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:0:3d-3d::n_signal_copy : 1
+DEAL:0:3d-3d::n_signal_clear : 1
+DEAL:0:3d-3d::n_signal_any_change : 10
+
+DEAL:1:2d-2d::n_signal_create : 1
+DEAL:1:2d-2d::n_signal_pre_refinement : 4
+DEAL:1:2d-2d::n_signal_post_refinement : 4
+DEAL:1:2d-2d::n_signal_pre_coarsening_on_cell : 0
+DEAL:1:2d-2d::n_signal_post_refinement_on_cell : 0
+DEAL:1:2d-2d::n_signal_copy : 1
+DEAL:1:2d-2d::n_signal_clear : 1
+DEAL:1:2d-2d::n_signal_any_change : 6
+DEAL:1:2d-3d::n_signal_create : 1
+DEAL:1:2d-3d::n_signal_pre_refinement : 4
+DEAL:1:2d-3d::n_signal_post_refinement : 4
+DEAL:1:2d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:1:2d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:1:2d-3d::n_signal_copy : 1
+DEAL:1:2d-3d::n_signal_clear : 1
+DEAL:1:2d-3d::n_signal_any_change : 6
+DEAL:1:3d-3d::n_signal_create : 1
+DEAL:1:3d-3d::n_signal_pre_refinement : 7
+DEAL:1:3d-3d::n_signal_post_refinement : 7
+DEAL:1:3d-3d::n_signal_pre_coarsening_on_cell : 1
+DEAL:1:3d-3d::n_signal_post_refinement_on_cell : 2
+DEAL:1:3d-3d::n_signal_copy : 1
+DEAL:1:3d-3d::n_signal_clear : 1
+DEAL:1:3d-3d::n_signal_any_change : 9
+
+
+DEAL:2:2d-2d::n_signal_create : 1
+DEAL:2:2d-2d::n_signal_pre_refinement : 7
+DEAL:2:2d-2d::n_signal_post_refinement : 7
+DEAL:2:2d-2d::n_signal_pre_coarsening_on_cell : 4
+DEAL:2:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:2:2d-2d::n_signal_copy : 1
+DEAL:2:2d-2d::n_signal_clear : 1
+DEAL:2:2d-2d::n_signal_any_change : 9
+DEAL:2:2d-3d::n_signal_create : 1
+DEAL:2:2d-3d::n_signal_pre_refinement : 7
+DEAL:2:2d-3d::n_signal_post_refinement : 7
+DEAL:2:2d-3d::n_signal_pre_coarsening_on_cell : 4
+DEAL:2:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:2:2d-3d::n_signal_copy : 1
+DEAL:2:2d-3d::n_signal_clear : 1
+DEAL:2:2d-3d::n_signal_any_change : 9
+DEAL:2:3d-3d::n_signal_create : 1
+DEAL:2:3d-3d::n_signal_pre_refinement : 8
+DEAL:2:3d-3d::n_signal_post_refinement : 8
+DEAL:2:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:2:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:2:3d-3d::n_signal_copy : 1
+DEAL:2:3d-3d::n_signal_clear : 1
+DEAL:2:3d-3d::n_signal_any_change : 10
+
+
+DEAL:3:2d-2d::n_signal_create : 1
+DEAL:3:2d-2d::n_signal_pre_refinement : 4
+DEAL:3:2d-2d::n_signal_post_refinement : 4
+DEAL:3:2d-2d::n_signal_pre_coarsening_on_cell : 0
+DEAL:3:2d-2d::n_signal_post_refinement_on_cell : 0
+DEAL:3:2d-2d::n_signal_copy : 1
+DEAL:3:2d-2d::n_signal_clear : 1
+DEAL:3:2d-2d::n_signal_any_change : 6
+DEAL:3:2d-3d::n_signal_create : 1
+DEAL:3:2d-3d::n_signal_pre_refinement : 4
+DEAL:3:2d-3d::n_signal_post_refinement : 4
+DEAL:3:2d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:3:2d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:3:2d-3d::n_signal_copy : 1
+DEAL:3:2d-3d::n_signal_clear : 1
+DEAL:3:2d-3d::n_signal_any_change : 6
+DEAL:3:3d-3d::n_signal_create : 1
+DEAL:3:3d-3d::n_signal_pre_refinement : 8
+DEAL:3:3d-3d::n_signal_post_refinement : 8
+DEAL:3:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:3:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:3:3d-3d::n_signal_copy : 1
+DEAL:3:3d-3d::n_signal_clear : 1
+DEAL:3:3d-3d::n_signal_any_change : 10
+
+
+DEAL:4:2d-2d::n_signal_create : 1
+DEAL:4:2d-2d::n_signal_pre_refinement : 8
+DEAL:4:2d-2d::n_signal_post_refinement : 8
+DEAL:4:2d-2d::n_signal_pre_coarsening_on_cell : 5
+DEAL:4:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:4:2d-2d::n_signal_copy : 1
+DEAL:4:2d-2d::n_signal_clear : 1
+DEAL:4:2d-2d::n_signal_any_change : 10
+DEAL:4:2d-3d::n_signal_create : 1
+DEAL:4:2d-3d::n_signal_pre_refinement : 8
+DEAL:4:2d-3d::n_signal_post_refinement : 8
+DEAL:4:2d-3d::n_signal_pre_coarsening_on_cell : 5
+DEAL:4:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:4:2d-3d::n_signal_copy : 1
+DEAL:4:2d-3d::n_signal_clear : 1
+DEAL:4:2d-3d::n_signal_any_change : 10
+DEAL:4:3d-3d::n_signal_create : 1
+DEAL:4:3d-3d::n_signal_pre_refinement : 8
+DEAL:4:3d-3d::n_signal_post_refinement : 8
+DEAL:4:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:4:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:4:3d-3d::n_signal_copy : 1
+DEAL:4:3d-3d::n_signal_clear : 1
+DEAL:4:3d-3d::n_signal_any_change : 10
+
+
+DEAL:5:2d-2d::n_signal_create : 1
+DEAL:5:2d-2d::n_signal_pre_refinement : 4
+DEAL:5:2d-2d::n_signal_post_refinement : 4
+DEAL:5:2d-2d::n_signal_pre_coarsening_on_cell : 0
+DEAL:5:2d-2d::n_signal_post_refinement_on_cell : 0
+DEAL:5:2d-2d::n_signal_copy : 1
+DEAL:5:2d-2d::n_signal_clear : 1
+DEAL:5:2d-2d::n_signal_any_change : 6
+DEAL:5:2d-3d::n_signal_create : 1
+DEAL:5:2d-3d::n_signal_pre_refinement : 4
+DEAL:5:2d-3d::n_signal_post_refinement : 4
+DEAL:5:2d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:5:2d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:5:2d-3d::n_signal_copy : 1
+DEAL:5:2d-3d::n_signal_clear : 1
+DEAL:5:2d-3d::n_signal_any_change : 6
+DEAL:5:3d-3d::n_signal_create : 1
+DEAL:5:3d-3d::n_signal_pre_refinement : 4
+DEAL:5:3d-3d::n_signal_post_refinement : 4
+DEAL:5:3d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:5:3d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:5:3d-3d::n_signal_copy : 1
+DEAL:5:3d-3d::n_signal_clear : 1
+DEAL:5:3d-3d::n_signal_any_change : 6
+
+
+DEAL:6:2d-2d::n_signal_create : 1
+DEAL:6:2d-2d::n_signal_pre_refinement : 8
+DEAL:6:2d-2d::n_signal_post_refinement : 8
+DEAL:6:2d-2d::n_signal_pre_coarsening_on_cell : 5
+DEAL:6:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:6:2d-2d::n_signal_copy : 1
+DEAL:6:2d-2d::n_signal_clear : 1
+DEAL:6:2d-2d::n_signal_any_change : 10
+DEAL:6:2d-3d::n_signal_create : 1
+DEAL:6:2d-3d::n_signal_pre_refinement : 8
+DEAL:6:2d-3d::n_signal_post_refinement : 8
+DEAL:6:2d-3d::n_signal_pre_coarsening_on_cell : 5
+DEAL:6:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:6:2d-3d::n_signal_copy : 1
+DEAL:6:2d-3d::n_signal_clear : 1
+DEAL:6:2d-3d::n_signal_any_change : 10
+DEAL:6:3d-3d::n_signal_create : 1
+DEAL:6:3d-3d::n_signal_pre_refinement : 8
+DEAL:6:3d-3d::n_signal_post_refinement : 8
+DEAL:6:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:6:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:6:3d-3d::n_signal_copy : 1
+DEAL:6:3d-3d::n_signal_clear : 1
+DEAL:6:3d-3d::n_signal_any_change : 10
+
+
+DEAL:7:2d-2d::n_signal_create : 1
+DEAL:7:2d-2d::n_signal_pre_refinement : 4
+DEAL:7:2d-2d::n_signal_post_refinement : 4
+DEAL:7:2d-2d::n_signal_pre_coarsening_on_cell : 0
+DEAL:7:2d-2d::n_signal_post_refinement_on_cell : 0
+DEAL:7:2d-2d::n_signal_copy : 1
+DEAL:7:2d-2d::n_signal_clear : 1
+DEAL:7:2d-2d::n_signal_any_change : 6
+DEAL:7:2d-3d::n_signal_create : 1
+DEAL:7:2d-3d::n_signal_pre_refinement : 4
+DEAL:7:2d-3d::n_signal_post_refinement : 4
+DEAL:7:2d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:7:2d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:7:2d-3d::n_signal_copy : 1
+DEAL:7:2d-3d::n_signal_clear : 1
+DEAL:7:2d-3d::n_signal_any_change : 6
+DEAL:7:3d-3d::n_signal_create : 1
+DEAL:7:3d-3d::n_signal_pre_refinement : 8
+DEAL:7:3d-3d::n_signal_post_refinement : 8
+DEAL:7:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:7:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:7:3d-3d::n_signal_copy : 1
+DEAL:7:3d-3d::n_signal_clear : 1
+DEAL:7:3d-3d::n_signal_any_change : 10
+
+
+DEAL:8:2d-2d::n_signal_create : 1
+DEAL:8:2d-2d::n_signal_pre_refinement : 4
+DEAL:8:2d-2d::n_signal_post_refinement : 4
+DEAL:8:2d-2d::n_signal_pre_coarsening_on_cell : 0
+DEAL:8:2d-2d::n_signal_post_refinement_on_cell : 0
+DEAL:8:2d-2d::n_signal_copy : 1
+DEAL:8:2d-2d::n_signal_clear : 1
+DEAL:8:2d-2d::n_signal_any_change : 6
+DEAL:8:2d-3d::n_signal_create : 1
+DEAL:8:2d-3d::n_signal_pre_refinement : 4
+DEAL:8:2d-3d::n_signal_post_refinement : 4
+DEAL:8:2d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:8:2d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:8:2d-3d::n_signal_copy : 1
+DEAL:8:2d-3d::n_signal_clear : 1
+DEAL:8:2d-3d::n_signal_any_change : 6
+DEAL:8:3d-3d::n_signal_create : 1
+DEAL:8:3d-3d::n_signal_pre_refinement : 8
+DEAL:8:3d-3d::n_signal_post_refinement : 8
+DEAL:8:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:8:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:8:3d-3d::n_signal_copy : 1
+DEAL:8:3d-3d::n_signal_clear : 1
+DEAL:8:3d-3d::n_signal_any_change : 10
+
+
+DEAL:9:2d-2d::n_signal_create : 1
+DEAL:9:2d-2d::n_signal_pre_refinement : 4
+DEAL:9:2d-2d::n_signal_post_refinement : 4
+DEAL:9:2d-2d::n_signal_pre_coarsening_on_cell : 0
+DEAL:9:2d-2d::n_signal_post_refinement_on_cell : 0
+DEAL:9:2d-2d::n_signal_copy : 1
+DEAL:9:2d-2d::n_signal_clear : 1
+DEAL:9:2d-2d::n_signal_any_change : 6
+DEAL:9:2d-3d::n_signal_create : 1
+DEAL:9:2d-3d::n_signal_pre_refinement : 4
+DEAL:9:2d-3d::n_signal_post_refinement : 4
+DEAL:9:2d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:9:2d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:9:2d-3d::n_signal_copy : 1
+DEAL:9:2d-3d::n_signal_clear : 1
+DEAL:9:2d-3d::n_signal_any_change : 6
+DEAL:9:3d-3d::n_signal_create : 1
+DEAL:9:3d-3d::n_signal_pre_refinement : 4
+DEAL:9:3d-3d::n_signal_post_refinement : 4
+DEAL:9:3d-3d::n_signal_pre_coarsening_on_cell : 0
+DEAL:9:3d-3d::n_signal_post_refinement_on_cell : 0
+DEAL:9:3d-3d::n_signal_copy : 1
+DEAL:9:3d-3d::n_signal_clear : 1
+DEAL:9:3d-3d::n_signal_any_change : 6
+
+
+DEAL:10:2d-2d::n_signal_create : 1
+DEAL:10:2d-2d::n_signal_pre_refinement : 8
+DEAL:10:2d-2d::n_signal_post_refinement : 8
+DEAL:10:2d-2d::n_signal_pre_coarsening_on_cell : 5
+DEAL:10:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:10:2d-2d::n_signal_copy : 1
+DEAL:10:2d-2d::n_signal_clear : 1
+DEAL:10:2d-2d::n_signal_any_change : 10
+DEAL:10:2d-3d::n_signal_create : 1
+DEAL:10:2d-3d::n_signal_pre_refinement : 8
+DEAL:10:2d-3d::n_signal_post_refinement : 8
+DEAL:10:2d-3d::n_signal_pre_coarsening_on_cell : 5
+DEAL:10:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:10:2d-3d::n_signal_copy : 1
+DEAL:10:2d-3d::n_signal_clear : 1
+DEAL:10:2d-3d::n_signal_any_change : 10
+DEAL:10:3d-3d::n_signal_create : 1
+DEAL:10:3d-3d::n_signal_pre_refinement : 8
+DEAL:10:3d-3d::n_signal_post_refinement : 8
+DEAL:10:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:10:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:10:3d-3d::n_signal_copy : 1
+DEAL:10:3d-3d::n_signal_clear : 1
+DEAL:10:3d-3d::n_signal_any_change : 10
+
diff --git a/tests/mpi/tria_signals_01.mpirun=4.output b/tests/mpi/tria_signals_01.mpirun=4.output
new file mode 100644
index 0000000000..1361b0b094
--- /dev/null
+++ b/tests/mpi/tria_signals_01.mpirun=4.output
@@ -0,0 +1,103 @@
+
+DEAL:0:2d-2d::n_signal_create : 1
+DEAL:0:2d-2d::n_signal_pre_refinement : 7
+DEAL:0:2d-2d::n_signal_post_refinement : 7
+DEAL:0:2d-2d::n_signal_pre_coarsening_on_cell : 4
+DEAL:0:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:0:2d-2d::n_signal_copy : 1
+DEAL:0:2d-2d::n_signal_clear : 1
+DEAL:0:2d-2d::n_signal_any_change : 9
+DEAL:0:2d-3d::n_signal_create : 1
+DEAL:0:2d-3d::n_signal_pre_refinement : 7
+DEAL:0:2d-3d::n_signal_post_refinement : 7
+DEAL:0:2d-3d::n_signal_pre_coarsening_on_cell : 4
+DEAL:0:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:0:2d-3d::n_signal_copy : 1
+DEAL:0:2d-3d::n_signal_clear : 1
+DEAL:0:2d-3d::n_signal_any_change : 9
+DEAL:0:3d-3d::n_signal_create : 1
+DEAL:0:3d-3d::n_signal_pre_refinement : 7
+DEAL:0:3d-3d::n_signal_post_refinement : 7
+DEAL:0:3d-3d::n_signal_pre_coarsening_on_cell : 8
+DEAL:0:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:0:3d-3d::n_signal_copy : 1
+DEAL:0:3d-3d::n_signal_clear : 1
+DEAL:0:3d-3d::n_signal_any_change : 9
+
+DEAL:1:2d-2d::n_signal_create : 1
+DEAL:1:2d-2d::n_signal_pre_refinement : 8
+DEAL:1:2d-2d::n_signal_post_refinement : 8
+DEAL:1:2d-2d::n_signal_pre_coarsening_on_cell : 5
+DEAL:1:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:1:2d-2d::n_signal_copy : 1
+DEAL:1:2d-2d::n_signal_clear : 1
+DEAL:1:2d-2d::n_signal_any_change : 10
+DEAL:1:2d-3d::n_signal_create : 1
+DEAL:1:2d-3d::n_signal_pre_refinement : 8
+DEAL:1:2d-3d::n_signal_post_refinement : 8
+DEAL:1:2d-3d::n_signal_pre_coarsening_on_cell : 5
+DEAL:1:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:1:2d-3d::n_signal_copy : 1
+DEAL:1:2d-3d::n_signal_clear : 1
+DEAL:1:2d-3d::n_signal_any_change : 10
+DEAL:1:3d-3d::n_signal_create : 1
+DEAL:1:3d-3d::n_signal_pre_refinement : 8
+DEAL:1:3d-3d::n_signal_post_refinement : 8
+DEAL:1:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:1:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:1:3d-3d::n_signal_copy : 1
+DEAL:1:3d-3d::n_signal_clear : 1
+DEAL:1:3d-3d::n_signal_any_change : 10
+
+
+DEAL:2:2d-2d::n_signal_create : 1
+DEAL:2:2d-2d::n_signal_pre_refinement : 8
+DEAL:2:2d-2d::n_signal_post_refinement : 8
+DEAL:2:2d-2d::n_signal_pre_coarsening_on_cell : 5
+DEAL:2:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:2:2d-2d::n_signal_copy : 1
+DEAL:2:2d-2d::n_signal_clear : 1
+DEAL:2:2d-2d::n_signal_any_change : 10
+DEAL:2:2d-3d::n_signal_create : 1
+DEAL:2:2d-3d::n_signal_pre_refinement : 8
+DEAL:2:2d-3d::n_signal_post_refinement : 8
+DEAL:2:2d-3d::n_signal_pre_coarsening_on_cell : 5
+DEAL:2:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:2:2d-3d::n_signal_copy : 1
+DEAL:2:2d-3d::n_signal_clear : 1
+DEAL:2:2d-3d::n_signal_any_change : 10
+DEAL:2:3d-3d::n_signal_create : 1
+DEAL:2:3d-3d::n_signal_pre_refinement : 8
+DEAL:2:3d-3d::n_signal_post_refinement : 8
+DEAL:2:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:2:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:2:3d-3d::n_signal_copy : 1
+DEAL:2:3d-3d::n_signal_clear : 1
+DEAL:2:3d-3d::n_signal_any_change : 10
+
+
+DEAL:3:2d-2d::n_signal_create : 1
+DEAL:3:2d-2d::n_signal_pre_refinement : 8
+DEAL:3:2d-2d::n_signal_post_refinement : 8
+DEAL:3:2d-2d::n_signal_pre_coarsening_on_cell : 5
+DEAL:3:2d-2d::n_signal_post_refinement_on_cell : 5
+DEAL:3:2d-2d::n_signal_copy : 1
+DEAL:3:2d-2d::n_signal_clear : 1
+DEAL:3:2d-2d::n_signal_any_change : 10
+DEAL:3:2d-3d::n_signal_create : 1
+DEAL:3:2d-3d::n_signal_pre_refinement : 8
+DEAL:3:2d-3d::n_signal_post_refinement : 8
+DEAL:3:2d-3d::n_signal_pre_coarsening_on_cell : 5
+DEAL:3:2d-3d::n_signal_post_refinement_on_cell : 5
+DEAL:3:2d-3d::n_signal_copy : 1
+DEAL:3:2d-3d::n_signal_clear : 1
+DEAL:3:2d-3d::n_signal_any_change : 10
+DEAL:3:3d-3d::n_signal_create : 1
+DEAL:3:3d-3d::n_signal_pre_refinement : 8
+DEAL:3:3d-3d::n_signal_post_refinement : 8
+DEAL:3:3d-3d::n_signal_pre_coarsening_on_cell : 9
+DEAL:3:3d-3d::n_signal_post_refinement_on_cell : 9
+DEAL:3:3d-3d::n_signal_copy : 1
+DEAL:3:3d-3d::n_signal_clear : 1
+DEAL:3:3d-3d::n_signal_any_change : 10
+