From b799743fbc688cb53c0423655a68eb9df772dcd7 Mon Sep 17 00:00:00 2001 From: Wolfgang Bangerth Date: Tue, 31 Dec 2019 14:50:37 -0700 Subject: [PATCH] Add a test. --- tests/base/task_group_size.cc | 46 +++++++++++++++++++ .../task_group_size.with_threads=on.output | 4 ++ 2 files changed, 50 insertions(+) create mode 100644 tests/base/task_group_size.cc create mode 100644 tests/base/task_group_size.with_threads=on.output diff --git a/tests/base/task_group_size.cc b/tests/base/task_group_size.cc new file mode 100644 index 0000000000..e038671df7 --- /dev/null +++ b/tests/base/task_group_size.cc @@ -0,0 +1,46 @@ +// --------------------------------------------------------------------- +// +// 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 TaskGroup::size() does what we want + +#include + +#include "../tests.h" + + +void +test(int i) +{ + std::this_thread::sleep_for(std::chrono::seconds(1)); +} + + + +int +main() +{ + initlog(); + + Threads::TaskGroup<> tg; + tg += Threads::new_task(test, 1); + deallog << tg.size() << std::endl; + + tg += Threads::new_task(test, 2); + deallog << tg.size() << std::endl; + + tg.join_all(); + deallog << tg.size() << std::endl; +} diff --git a/tests/base/task_group_size.with_threads=on.output b/tests/base/task_group_size.with_threads=on.output new file mode 100644 index 0000000000..79df992b89 --- /dev/null +++ b/tests/base/task_group_size.with_threads=on.output @@ -0,0 +1,4 @@ + +DEAL::1 +DEAL::2 +DEAL::2 -- 2.39.5