fix race condition in test mpi/codim_01

git-svn-id: https://svn.dealii.org/trunk@32782 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/tests/mpi/codim_01.cc b/tests/mpi/codim_01.cc
index 00d26b39393d3a4768e806a23ca9323874ee82ee..84d5b3d69267d362f5eccddc566ed34db417e445 100644 (file)
--- a/tests/mpi/codim_01.cc
+++ b/tests/mpi/codim_01.cc
@@ -45,25 +45,19 @@ void write_vtk (const parallel::distributed::Triangulation<dim,spacedim> &tria,
 
   // copy the .pvtu and .vtu files
   // into the logstream
-  {
-    std::ifstream in((std::string(filename) + ".pvtu").c_str());
-    while (in)
-      {
-        std::string s;
-        std::getline(in, s);
-        deallog.get_file_stream() << s << "\n";
-      }
-  }
-
-  {
-    std::ifstream in((std::string(filename) + "_0000.vtu").c_str());
-    while (in)
-      {
-        std::string s;
-        std::getline(in, s);
-        deallog.get_file_stream() << s << "\n";
-      }
-  }
+  int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
+  if (myid==0)
+    {
+      cat_file((std::string(filename) + ".pvtu").c_str());
+      cat_file((std::string(filename) + "_0000.vtu").c_str());
+    }
+  else if (myid==1)
+      cat_file((std::string(filename) + "_0001.vtu").c_str());
+  else if (myid==2)
+      cat_file((std::string(filename) + "_0002.vtu").c_str());
+  else
+    AssertThrow(false, ExcNotImplemented());
+  
 }
 
 template<int dim, int spacedim>

diff --git a/tests/mpi/codim_01.mpirun=3.debug.output b/tests/mpi/codim_01.mpirun=3.debug.output
index 041d76dcafe07792bda046afaa48954f3c0a0909..63b0ba3d1d253f52accad9bae3477388a87c49a5 100644 (file)
--- a/tests/mpi/codim_01.mpirun=3.debug.output
+++ b/tests/mpi/codim_01.mpirun=3.debug.output
@@ -206,122 +206,92 @@ AQAAAOACAADgAgAADwAAAA==eNpjYBgFo2D4AgAC4AAB    </DataArray>
 
 
 DEAL:1:2-3::Checksum: 0
-<?xml version="1.0"?>
-<VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian">
-  <PUnstructuredGrid GhostLevel="0">
-    <PPoints>
-      <PDataArray type="Float32" Name="Position" NumberOfComponents="3" format="ascii"/>
-    </PPoints>
-    <PCellData Scalars="mpirank,treeid">
-      <PDataArray type="Int32" Name="mpirank" format="ascii"/>
-      <PDataArray type="Int32" Name="treeid" format="ascii"/>
-    </PCellData>
-    <PPointData>
-    </PPointData>
-    <Piece Source="file_0000.vtu"/>
-    <Piece Source="file_0001.vtu"/>
-    <Piece Source="file_0002.vtu"/>
-  </PUnstructuredGrid>
-</VTKFile>
-
 <?xml version="1.0"?>
 <VTKFile type="UnstructuredGrid" version="0.1" byte_order="LittleEndian">
   <UnstructuredGrid>
-    <Piece NumberOfPoints="92" NumberOfCells="23">
+    <Piece NumberOfPoints="80" NumberOfCells="20">
       <Points>
         <DataArray type="Float32" Name="Position" NumberOfComponents="3" format="ascii">
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@@ -346,28 +316,22 @@ DEAL:1:2-3::Checksum: 0
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         </DataArray>
         <DataArray type="Int32" Name="offsets" format="ascii">
           4 8 12 16 20 24 28 32
           36 40 44 48 52 56 60 64
-          68 72 76 80 84 88 92
+          68 72 76 80
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           8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
-          8 8 8
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-          0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-          0 0 0
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         </DataArray>
         <DataArray type="Int32" Name="treeid" format="ascii">
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-          4 4 4
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@@ -413,122 +377,108 @@ AQAAAIACAACAAgAAFAAAAA==eNpjYACBD/YMo/QoPQA0AJRLXrE=    </DataArray>
 
 
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