83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 4.0
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// Copyright (2022) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
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// See https://kokkos.org/LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//@HEADER
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#include <Kokkos_Core.hpp>
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#include <gtest/gtest.h>
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#include <cstdlib>
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#include "KokkosExecutionEnvironmentNeverInitializedFixture.hpp"
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namespace {
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using Legion_DeathTest = KokkosExecutionEnvironmentNeverInitialized;
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struct ReductionFunctor {
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Kokkos::View<int*> d;
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KOKKOS_FUNCTION void operator()(int i, int& sum) const { sum += d(i); }
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};
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// The purpose of this test is to mimic Legion's use case of initializing and
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// finalizing individual backends
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TEST(Legion_DeathTest, individual_backend_initialization) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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EXPECT_EXIT(
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{
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bool success = true;
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Kokkos::InitializationSettings kokkos_init_settings;
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Kokkos::Impl::pre_initialize(kokkos_init_settings);
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// We need to have a host execution space initialized first.
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Kokkos::DefaultHostExecutionSpace::impl_initialize(
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kokkos_init_settings);
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if (!std::is_same_v<Kokkos::DefaultExecutionSpace,
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Kokkos::DefaultHostExecutionSpace>)
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Kokkos::DefaultExecutionSpace::impl_initialize(kokkos_init_settings);
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Kokkos::Impl::post_initialize(kokkos_init_settings);
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success &= Kokkos::is_initialized();
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{
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Kokkos::View<int*> d("d", 1000);
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Kokkos::deep_copy(d, 1);
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int result;
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Kokkos::parallel_reduce("TestRed", d.extent(0), ReductionFunctor{d},
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result);
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success &= (result == d.extent_int(0));
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}
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Kokkos::Impl::pre_finalize();
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if (!std::is_same_v<Kokkos::DefaultExecutionSpace,
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Kokkos::DefaultHostExecutionSpace>)
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Kokkos::DefaultExecutionSpace::impl_finalize();
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Kokkos::DefaultHostExecutionSpace::impl_finalize();
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Kokkos::Impl::post_finalize();
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success &= !Kokkos::is_initialized();
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success &= Kokkos::is_finalized();
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std::exit(success ? EXIT_SUCCESS : EXIT_FAILURE);
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},
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::testing::ExitedWithCode(EXIT_SUCCESS), "");
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}
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} // namespace
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