From e0b3ade32c0108b0ec9dcdbae2ee03a886427ab8 Mon Sep 17 00:00:00 2001
From: Rene Gassmoeller <rene.gassmoeller@mailbox.org>
Date: Fri, 28 Aug 2020 16:26:47 -0400
Subject: [PATCH] Make indent. Add test.

---
 source/particles/particle_handler.cc |  2 +-
 tests/particles/properties_03.cc     | 88 ++++++++++++++++++++++++++++
 tests/particles/properties_03.output | 31 ++++++++++
 3 files changed, 120 insertions(+), 1 deletion(-)
 create mode 100644 tests/particles/properties_03.cc
 create mode 100644 tests/particles/properties_03.output

diff --git a/source/particles/particle_handler.cc b/source/particles/particle_handler.cc
index 82bb47b994..226761b9de 100644
--- a/source/particles/particle_handler.cc
+++ b/source/particles/particle_handler.cc
@@ -480,7 +480,7 @@ namespace Particles
                                                      local_positions[i][p],
                                                      local_start_index +
                                                        index_map[i][p])));
-                                                       
+
             hint->second.set_property_pool(*property_pool);
           }
       }
diff --git a/tests/particles/properties_03.cc b/tests/particles/properties_03.cc
new file mode 100644
index 0000000000..574ebd82c9
--- /dev/null
+++ b/tests/particles/properties_03.cc
@@ -0,0 +1,88 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2020 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.
+//
+// ---------------------------------------------------------------------
+
+
+
+// When inserting multiple particles at once, we forgot to set their
+// property pool pointer. This test differs from properties_01 by
+// testing another function that forgot to set the property pool.
+
+#include <deal.II/dofs/dof_handler.h>
+
+#include <deal.II/grid/grid_generator.h>
+
+#include <deal.II/particles/particle_handler.h>
+#include <deal.II/particles/utilities.h>
+
+#include "../tests.h"
+
+template <int dim>
+void
+test()
+{
+  // number of particles to place
+  const unsigned int      n_particles = 10;
+  std::vector<Point<dim>> particle_positions(n_particles);
+
+  for (unsigned int i = 0; i < n_particles; ++i)
+    {
+      for (unsigned int d = 0; d < dim; ++d)
+        particle_positions[i][d] =
+          static_cast<double>(i) / static_cast<double>(n_particles);
+    }
+
+  const MappingQ1<dim> mapping;
+  Triangulation<dim>   triangulation;
+  GridGenerator::hyper_cube(triangulation, 0.0, 1.0);
+  triangulation.refine_global(1);
+
+  // create the particle handler
+  const unsigned int              n_property_components = 1;
+  Particles::ParticleHandler<dim> particle_handler(triangulation,
+                                                   mapping,
+                                                   n_property_components);
+
+  particle_handler.insert_particles(particle_positions);
+
+  // Now try to set the interpolated quantities as particle
+  // properties. This used to fail before because we had forgotten to
+  // the set the property_pool pointer of the particles that were
+  // bulk-inserted before.
+  for (auto &particle : particle_handler)
+    {
+      particle.set_properties(
+        std::vector<double>(1, particle.get_location()[0]));
+    }
+
+  // Finally output these properties
+  for (const auto particle : particle_handler)
+    {
+      deallog << "Particle " << particle.get_id() << ": ";
+      for (const auto p : particle.get_properties())
+        deallog << p << ' ';
+      deallog << std::endl;
+    }
+}
+
+
+
+int
+main()
+{
+  initlog();
+  test<1>();
+  test<2>();
+  test<3>();
+}
diff --git a/tests/particles/properties_03.output b/tests/particles/properties_03.output
new file mode 100644
index 0000000000..5403e3fac7
--- /dev/null
+++ b/tests/particles/properties_03.output
@@ -0,0 +1,31 @@
+
+DEAL::Particle 5: 0.500000 
+DEAL::Particle 4: 0.400000 
+DEAL::Particle 3: 0.300000 
+DEAL::Particle 2: 0.200000 
+DEAL::Particle 1: 0.100000 
+DEAL::Particle 0: 0.00000 
+DEAL::Particle 9: 0.900000 
+DEAL::Particle 8: 0.800000 
+DEAL::Particle 7: 0.700000 
+DEAL::Particle 6: 0.600000 
+DEAL::Particle 5: 0.500000 
+DEAL::Particle 4: 0.400000 
+DEAL::Particle 3: 0.300000 
+DEAL::Particle 2: 0.200000 
+DEAL::Particle 1: 0.100000 
+DEAL::Particle 0: 0.00000 
+DEAL::Particle 9: 0.900000 
+DEAL::Particle 8: 0.800000 
+DEAL::Particle 7: 0.700000 
+DEAL::Particle 6: 0.600000 
+DEAL::Particle 5: 0.500000 
+DEAL::Particle 4: 0.400000 
+DEAL::Particle 3: 0.300000 
+DEAL::Particle 2: 0.200000 
+DEAL::Particle 1: 0.100000 
+DEAL::Particle 0: 0.00000 
+DEAL::Particle 9: 0.900000 
+DEAL::Particle 8: 0.800000 
+DEAL::Particle 7: 0.700000 
+DEAL::Particle 6: 0.600000 
-- 
2.39.5