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//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#include <gtest/gtest.h>
#include <Kokkos_Core.hpp>
#include <cstdlib>
#include <type_traits>
#include "KokkosExecutionEnvironmentNeverInitializedFixture.hpp"
namespace {
using ExecutionEnvironmentNonInitializedOrFinalized_DeathTest =
KokkosExecutionEnvironmentNeverInitialized;
struct NonTrivial {
KOKKOS_FUNCTION NonTrivial() {}
};
static_assert(!std::is_trivially_default_constructible_v<NonTrivial>);
TEST_F(ExecutionEnvironmentNonInitializedOrFinalized_DeathTest,
default_constructed_views) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
auto make_views = [] {
Kokkos::View<int> v0;
Kokkos::View<float*> v1;
Kokkos::View<NonTrivial**> v2;
return std::make_tuple(v0, v1, v2);
};
EXPECT_EXIT(
{
{ auto views = make_views(); }
std::exit(EXIT_SUCCESS);
},
::testing::ExitedWithCode(EXIT_SUCCESS), "");
EXPECT_EXIT(
{
{
Kokkos::initialize();
auto views =
make_views(); // views outlive the Kokkos execution environment
Kokkos::finalize();
}
std::exit(EXIT_SUCCESS);
},
::testing::ExitedWithCode(EXIT_SUCCESS), "");
EXPECT_EXIT(
{
{
Kokkos::initialize();
Kokkos::finalize();
auto views = make_views();
}
std::exit(EXIT_SUCCESS);
},
::testing::ExitedWithCode(EXIT_SUCCESS), "");
}
TEST_F(ExecutionEnvironmentNonInitializedOrFinalized_DeathTest, views) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
EXPECT_EXIT(
{
{
Kokkos::View<int*> v;
Kokkos::initialize();
v = Kokkos::View<int*>("v", 10);
v = Kokkos::View<int*>();
Kokkos::finalize();
}
std::exit(EXIT_SUCCESS);
},
::testing::ExitedWithCode(EXIT_SUCCESS), "");
EXPECT_EXIT(
{
{
Kokkos::initialize();
Kokkos::View<int*> v("v", 10);
v = {}; // assign default constructed view
Kokkos::finalize();
}
std::exit(EXIT_SUCCESS);
},
::testing::ExitedWithCode(EXIT_SUCCESS), "");
EXPECT_DEATH(
{
Kokkos::initialize();
Kokkos::View<int*> v("v", 0);
Kokkos::finalize();
},
"Kokkos allocation \"v\" is being deallocated after Kokkos::finalize was "
"called");
#if defined(KOKKOS_ENABLE_CUDA) || defined(KOKKOS_ENABLE_HIP) || \
defined(KOKKOS_ENABLE_SYCL) || defined(KOKKOS_ENABLE_OPENACC)
std::string matcher = std::string("Kokkos::") +
#ifdef KOKKOS_ENABLE_OPENACC
"Experimental::" +
#endif
Kokkos::DefaultExecutionSpace::name() +
"::" + Kokkos::DefaultExecutionSpace::name() +
" instance constructor : ERROR device not initialized";
#else
std::string matcher =
"Constructing View and initializing data with uninitialized execution "
"space";
#endif
EXPECT_DEATH({ Kokkos::View<int*> v("v", 0); }, matcher);
EXPECT_DEATH(
{
Kokkos::initialize();
Kokkos::finalize();
Kokkos::View<int*> v("v", 0);
},
matcher);
}
TEST_F(ExecutionEnvironmentNonInitializedOrFinalized_DeathTest,
c_style_memory_management) {
// FIXME_THREADS: Checking for calls to kokkos_malloc, kokkos_realloc,
// kokkos_free before initialize or after finalize is currently disabled
// for the Threads backend. Refer issue #7944.
#ifdef KOKKOS_ENABLE_THREADS
GTEST_SKIP()
<< "skipping since initializing Threads backend calls kokkos_malloc";
#endif
::testing::FLAGS_gtest_death_test_style = "threadsafe";
EXPECT_DEATH(
{ [[maybe_unused]] void* ptr = Kokkos::kokkos_malloc(1); },
"Kokkos ERROR: attempting to perform C-style memory management via "
"kokkos_malloc\\(\\) \\*\\*before\\*\\* Kokkos::initialize\\(\\) was "
"called");
EXPECT_DEATH(
{
Kokkos::initialize();
Kokkos::finalize();
[[maybe_unused]] void* ptr = Kokkos::kokkos_malloc(1);
},
"Kokkos ERROR: attempting to perform C-style memory management via "
"kokkos_malloc\\(\\) \\*\\*after\\*\\* Kokkos::finalize\\(\\) was "
"called");
EXPECT_DEATH(
{
Kokkos::initialize();
void* ptr = Kokkos::kokkos_malloc(1);
Kokkos::finalize();
Kokkos::kokkos_free(ptr);
},
"Kokkos ERROR: attempting to perform C-style memory management via "
"kokkos_free\\(\\) \\*\\*after\\*\\* Kokkos::finalize\\(\\) was called");
EXPECT_DEATH(
{
Kokkos::initialize();
void* prev = Kokkos::kokkos_malloc(1);
Kokkos::finalize();
[[maybe_unused]] void* next = Kokkos::kokkos_realloc(prev, 2);
},
"Kokkos ERROR: attempting to perform C-style memory management via "
"kokkos_realloc\\(\\) \\*\\*after\\*\\* Kokkos::finalize\\(\\) was "
"called");
EXPECT_DEATH(
{
// Take a fake pointer
void* ptr = reinterpret_cast<void*>(0x8BADF00D);
Kokkos::kokkos_free(ptr);
},
"Kokkos ERROR: attempting to perform C-style memory management via "
"kokkos_free\\(\\) \\*\\*before\\*\\* Kokkos::initialize\\(\\) was "
"called");
EXPECT_DEATH(
{
Kokkos::initialize();
Kokkos::finalize();
// Take a fake pointer
void* ptr = reinterpret_cast<void*>(0xB105F00D);
Kokkos::kokkos_free(ptr);
},
"Kokkos ERROR: attempting to perform C-style memory management via "
"kokkos_free\\(\\) \\*\\*after\\*\\* Kokkos::finalize\\(\\) was called");
}
} // namespace
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