141 lines
3.9 KiB
C++
141 lines
3.9 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 <cstdlib>
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#include <gtest/gtest.h>
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#include <Kokkos_Core.hpp>
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#include "KokkosExecutionEnvironmentNeverInitializedFixture.hpp"
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namespace {
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using ScopeGuard_DeathTest = KokkosExecutionEnvironmentNeverInitialized;
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/**
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* Test to create a scope guard normally.
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*/
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TEST_F(ScopeGuard_DeathTest, create) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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// run it in a different process so side effects are not kept
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EXPECT_EXIT(
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{
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{
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Kokkos::ScopeGuard guard{};
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if (!Kokkos::is_initialized()) std::exit(EXIT_FAILURE);
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if (Kokkos::is_finalized()) std::exit(EXIT_FAILURE);
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}
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if (Kokkos::is_initialized()) std::exit(EXIT_FAILURE);
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if (!Kokkos::is_finalized()) std::exit(EXIT_FAILURE);
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std::exit(EXIT_SUCCESS);
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},
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testing::ExitedWithCode(EXIT_SUCCESS), "");
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}
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/**
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* Test to create a scope guard with an argument.
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*/
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TEST_F(ScopeGuard_DeathTest, create_argument) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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// run it in a different process so side effects are not kept
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EXPECT_EXIT(
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{
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{
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Kokkos::InitializationSettings settings{};
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Kokkos::ScopeGuard guard{settings};
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}
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std::exit(EXIT_SUCCESS);
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},
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testing::ExitedWithCode(EXIT_SUCCESS), "");
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}
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/**
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* Test to create another scope guard when one has been created.
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*/
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TEST_F(ScopeGuard_DeathTest, create_while_initialize) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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EXPECT_DEATH(
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{
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Kokkos::ScopeGuard guard1{};
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// create a second scope guard while there is one already existing
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Kokkos::ScopeGuard guard2{};
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},
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"Creating a ScopeGuard while Kokkos is initialized");
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}
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/**
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* Test to create a scope guard when initialization has been done manually.
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*/
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TEST_F(ScopeGuard_DeathTest, create_after_initialize) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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EXPECT_DEATH(
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{
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Kokkos::initialize();
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// create a scope guard after manual initialization
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Kokkos::ScopeGuard guard{};
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},
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"Creating a ScopeGuard while Kokkos is initialized");
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}
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/**
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* Test to create another scope guard when one has been destroyed.
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*/
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TEST_F(ScopeGuard_DeathTest, create_after_finalize) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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EXPECT_DEATH(
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{
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{ Kokkos::ScopeGuard guard1{}; }
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// create a second scope guard while the first one has been destroyed
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// already
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Kokkos::ScopeGuard guard2{};
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},
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"Creating a ScopeGuard after Kokkos was finalized");
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}
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/**
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* Test to destroy a scope guard when finalization has been done manually.
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*/
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TEST_F(ScopeGuard_DeathTest, destroy_after_finalize) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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EXPECT_DEATH(
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{
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// create a scope guard and finalize it manually
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Kokkos::ScopeGuard guard{};
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Kokkos::finalize();
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},
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"Destroying a ScopeGuard after Kokkos was finalized");
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}
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/**
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* Static tests
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*/
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// Test scope guard is not copyable.
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static_assert(!std::is_copy_assignable_v<Kokkos::ScopeGuard>);
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static_assert(!std::is_copy_constructible_v<Kokkos::ScopeGuard>);
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// Test scope guard is not movable.
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static_assert(!std::is_move_assignable_v<Kokkos::ScopeGuard>);
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static_assert(!std::is_move_constructible_v<Kokkos::ScopeGuard>);
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} // namespace
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