remove obsolete test

diff --git a/tests/base/mutex_01.cc b/tests/base/mutex_01.cc
deleted file mode 100644 (file)
index 889dd8d..0000000
--- a/tests/base/mutex_01.cc
+++ /dev/null
@@ -1,66 +0,0 @@
-// ---------------------------------------------------------------------
-//
-// Copyright (C) 2009 - 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.
-//
-// ---------------------------------------------------------------------
-
-
-// verify that mutexes work correctly in MT context
-
-#include <deal.II/base/thread_management.h>
-
-#include "../tests.h"
-
-
-Threads::Mutex mutex;
-
-
-void
-test()
-{
-  // get the mutex, but note that it is first
-  // held by main() which will therefore
-  // usually get to write to deallog first
-  mutex.acquire();
-  deallog << "2" << std::endl;
-}
-
-
-int
-main()
-{
-  initlog();
-
-#ifdef DEAL_II_WITH_THREADS
-
-  mutex.acquire();
-
-  Threads::Thread<> t = Threads::new_thread(&test);
-
-  std::this_thread::sleep_for(std::chrono::seconds(2));
-  deallog << "1" << std::endl;
-
-  mutex.release();
-  t.join();
-
-  // the other thread should now have acquired the mutex, so release it
-  // again (destroying an acquired lock invokes undefined behavior in
-  // pthread_mutex_destroy)
-  mutex.release();
-
-#else
-
-  // make sure the test also works in non-MT mode
-  deallog << "1" << std::endl;
-  deallog << "2" << std::endl;
-#endif
-}

diff --git a/tests/base/mutex_01.output b/tests/base/mutex_01.output
deleted file mode 100644 (file)
index c400c47..0000000
--- a/tests/base/mutex_01.output
+++ /dev/null
@@ -1,3 +0,0 @@
-
-DEAL::1
-DEAL::2