From 17acec74dc7255bec57672447d1155af6b1cea4d Mon Sep 17 00:00:00 2001 From: Wolfgang Bangerth Date: Fri, 22 Sep 2023 16:27:21 -0600 Subject: [PATCH] Add a test. --- tests/mpi/constraints_crash_03.cc | 65 +++++++++++++++++++ .../mpi/constraints_crash_03.mpirun=2.output | 5 ++ 2 files changed, 70 insertions(+) create mode 100644 tests/mpi/constraints_crash_03.cc create mode 100644 tests/mpi/constraints_crash_03.mpirun=2.output diff --git a/tests/mpi/constraints_crash_03.cc b/tests/mpi/constraints_crash_03.cc new file mode 100644 index 0000000000..f4d14c3990 --- /dev/null +++ b/tests/mpi/constraints_crash_03.cc @@ -0,0 +1,65 @@ +// --------------------------------------------------------------------- +// +// Copyright (C) 2013 - 2018 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. +// +// --------------------------------------------------------------------- + + + +// Like the _02 test, but this time because +// AffineConstraints::distribute() crashes because the copy +// constructor forgot to copy members. + + +#include + +#include +#include + +#include "../tests.h" + + + +void +test() +{ + unsigned int myid = Utilities::MPI::this_mpi_process(MPI_COMM_WORLD); + unsigned int numproc = Utilities::MPI::n_mpi_processes(MPI_COMM_WORLD); + + IndexSet owned(numproc); + owned.add_range(myid, myid + 1); + IndexSet relevant = complete_index_set(numproc); + + + AffineConstraints cm(owned, relevant); + cm.add_line(0); + cm.close(); + + AffineConstraints cm2(cm); + + LinearAlgebra::distributed::Vector x(owned, relevant, MPI_COMM_WORLD); + + cm.distribute(x); // this works + cm2.distribute(x); // this used to fail + deallog << "OK" << std::endl; +} + + +int +main(int argc, char *argv[]) +{ + Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1); + MPILogInitAll log; + + test(); + return 0; +} diff --git a/tests/mpi/constraints_crash_03.mpirun=2.output b/tests/mpi/constraints_crash_03.mpirun=2.output new file mode 100644 index 0000000000..52103938b0 --- /dev/null +++ b/tests/mpi/constraints_crash_03.mpirun=2.output @@ -0,0 +1,5 @@ + +DEAL:0::OK + +DEAL:1::OK + -- 2.39.5