From: heister <heister@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 16 Oct 2013 18:40:35 +0000 (+0000)
Subject: add failing test
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a41c0c0035bd3eceb78e062b1e9218acba3bac9;p=dealii-svn.git

add failing test

git-svn-id: https://svn.dealii.org/branches/branch_port_the_testsuite@31266 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/tests/bits/data_out_08.cc b/tests/bits/data_out_08.cc
new file mode 100644
index 0000000000..4457b91a83
--- /dev/null
+++ b/tests/bits/data_out_08.cc
@@ -0,0 +1,138 @@
+// ---------------------------------------------------------------------
+// $Id$
+//
+// Copyright (C) 2003 - 2013 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.
+//
+// ---------------------------------------------------------------------
+
+
+
+// Bug: filtered DataOut is not picking the correct cells
+// This is due to wrong index computation in data_out.cc.
+/*
+466: --------------------------------------------------------
+466: An error occurred in line <306> of file </ssd/branch_port_the_testsuite/deal.II/source/numerics/data_out.cc> in function
+466:     void dealii::DataOut<dim, DH>::build_one_patch(const std::pair<typename dealii::DataOut_DoFData<DH, DH:: dimension, DH:: space_dimension>::cell_iterator, unsigned int>*, dealii::internal::DataOut::ParallelData<DH:: dimension, DH:: space_dimension>&, dealii::DataOutBase::Patch<DH:: dimension, DH:: space_dimension>&, dealii::DataOut<dim, DH>::CurvedCellRegion, std::vector<dealii::DataOutBase::Patch<DH:: dimension, DH:: space_dimension> >&) [with int dim = 2, DH = dealii::DoFHandler<2>, typename dealii::DataOut_DoFData<DH, DH:: dimension, DH:: space_dimension>::cell_iterator = dealii::TriaIterator<dealii::CellAccessor<2, 2> >]
+466: The violated condition was: 
+466:     cell_and_index->second < patches.size()
+466: The name and call sequence of the exception was:
+466:     ExcInternalError()
+*/
+
+#include "../tests.h"
+#include <deal.II/lac/vector.h>
+#include <deal.II/numerics/data_out.h>
+#include <deal.II/grid/tria.h>
+#include <deal.II/grid/tria_iterator.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/dofs/dof_accessor.h>
+#include <deal.II/dofs/dof_handler.h>
+#include <deal.II/dofs/dof_tools.h>
+#include <deal.II/grid/filtered_iterator.h>
+#include <deal.II/fe/fe_dgq.h>
+
+std::string output_file_name = "output";
+
+template<int dim>
+  class FilteredDataOut : public DataOut<dim>
+  {
+  public:
+    FilteredDataOut (const unsigned int subdomain_id)
+      :
+      subdomain_id (subdomain_id)
+    {}
+
+    virtual typename DataOut<dim>::cell_iterator
+    first_cell ()
+    {
+      typename DataOut<dim>::active_cell_iterator
+      cell = this->dofs->begin_active();
+      while ((cell != this->dofs->end()) &&
+             (cell->subdomain_id() != subdomain_id))
+        ++cell;
+
+      return cell;
+    }
+
+    virtual typename DataOut<dim>::cell_iterator
+    next_cell (const typename DataOut<dim>::cell_iterator &old_cell)
+    {
+      if (old_cell != this->dofs->end())
+        {
+          const IteratorFilters::SubdomainEqualTo
+          predicate(subdomain_id);
+
+          return
+            ++(FilteredIterator
+               <typename DataOut<dim>::active_cell_iterator>
+               (predicate,old_cell));
+        }
+      else
+        return old_cell;
+    }
+
+  private:
+    const unsigned int subdomain_id;
+  };
+
+
+template <int dim>
+void
+check ()
+{
+  Triangulation<dim> tria;
+  GridGenerator::hyper_cube(tria, 0., 1.);
+  tria.refine_global (1);
+
+  Vector<double> cell_data(4);
+  for (unsigned int i=0;i<4;++i)
+    cell_data(i)=i*1.0;
+
+  // this should skip the first cell
+  typename Triangulation<dim>::active_cell_iterator it = tria.begin_active();
+  //++it;
+  it->set_subdomain_id(1);
+
+  FE_DGQ<dim> fe(0);
+  DoFHandler<dim> dof_handler (tria);
+  dof_handler.distribute_dofs (fe);
+
+  //  DataOut<dim> data_out;
+
+  // we pick only subdomain==0 which will
+  // skip the first of four cells
+  FilteredDataOut<dim> data_out(0);
+  data_out.attach_dof_handler (dof_handler);
+
+  data_out.add_data_vector (cell_data, "cell_data");
+  data_out.build_patches ();
+
+  data_out.write_deal_II_intermediate (deallog.get_file_stream());
+
+  deallog << "OK" << std::endl;
+}
+
+int
+main(int argc, char **argv)
+{
+  Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv);
+  std::ofstream logfile(output_file_name.c_str());
+  deallog << std::setprecision (2);
+  logfile << std::setprecision (2);
+  deallog.attach(logfile);
+  deallog.depth_console(0);
+  deallog.threshold_double(1.e-10);
+  
+  check<2>();
+  
+  return 0;
+}
diff --git a/tests/bits/data_out_08.output b/tests/bits/data_out_08.output
new file mode 100644
index 0000000000..39fa1b48fe
--- /dev/null
+++ b/tests/bits/data_out_08.output
@@ -0,0 +1,47 @@
+
+2 2
+[deal.II intermediate format graphics data]
+[written by deal.II x.y.z]
+[Version: 3]
+1
+cell_data
+4
+[deal.II intermediate Patch<2,2>]
+0.0 0.0 0.50 0.0 0.50 0.50 0.0 0.50 
+4294967295 1 4294967295 2 
+0 1
+0
+1 4
+0.0 0.0 0.0 0.0 
+
+
+[deal.II intermediate Patch<2,2>]
+0.50 0.0 1.0 0.0 1.0 0.50 0.50 0.50 
+0 4294967295 4294967295 3 
+1 1
+0
+1 4
+1.0 1.0 1.0 1.0 
+
+
+[deal.II intermediate Patch<2,2>]
+0.0 0.50 0.50 0.50 0.50 1.0 0.0 1.0 
+4294967295 3 0 4294967295 
+2 1
+0
+1 4
+2.0 2.0 2.0 2.0 
+
+
+[deal.II intermediate Patch<2,2>]
+0.50 0.50 1.0 0.50 1.0 1.0 0.50 1.0 
+2 4294967295 1 4294967295 
+3 1
+0
+1 4
+3.0 3.0 3.0 3.0 
+
+
+0
+
+DEAL::OK