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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright Contributors to the Kokkos project
#include <gtest/gtest.h>
#include <Kokkos_Macros.hpp>
#ifdef KOKKOS_ENABLE_EXPERIMENTAL_CXX20_MODULES
import kokkos.core;
#else
#include <Kokkos_Core.hpp>
#endif
namespace Test {
template <int rank, int dynrank, class RankType, std::size_t... Is>
void test_matching_arguments_rank_helper(std::index_sequence<Is...>) {
constexpr int nargs = sizeof...(Is);
using view_type = Kokkos::View<RankType>;
if (nargs == rank || nargs == dynrank) {
{ // does not throw
view_type v("v", ((Is * 0) + 1)...);
}
{ // does not throw
view_type v(nullptr, ((Is * 0) + 1)...);
}
} else {
ASSERT_DEATH(
{ view_type v("v", ((Is * 0) + 1)...); },
"Constructor for Kokkos::View 'v' has mismatched number of arguments. "
"The number of arguments = " +
std::to_string(nargs) +
" neither matches the dynamic rank = " + std::to_string(dynrank) +
" nor the total rank = " + std::to_string(rank));
ASSERT_DEATH(
{ view_type v(nullptr, ((Is * 0) + 1)...); },
"Constructor for Kokkos::View 'UNMANAGED' has mismatched number of "
"arguments. "
"The number of arguments = " +
std::to_string(nargs) +
" neither matches the dynamic rank = " + std::to_string(dynrank) +
" nor the total rank = " + std::to_string(rank));
}
}
template <int rank, int dynrank, template <int> class RankType>
void test_matching_arguments_rank() {
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<0>());
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<1>());
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<2>());
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<3>());
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<4>());
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<5>());
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<6>());
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<7>());
test_matching_arguments_rank_helper<rank, dynrank,
typename RankType<rank>::type>(
std::make_index_sequence<8>());
}
template <int rank>
struct DynamicRank {
using type = typename DynamicRank<rank - 1>::type*;
};
template <>
struct DynamicRank<0> {
using type = int;
};
#ifdef KOKKOS_COMPILER_NVHPC
#define VIEW_CTOR_TEST_UNREACHABLE() __builtin_unreachable()
#else
#define VIEW_CTOR_TEST_UNREACHABLE() static_assert(true)
#endif
// Skip test execution when KOKKOS_ENABLE_OPENMPTARGET is enabled until
// Kokkos::abort() aborts properly on that backend
#ifndef KOKKOS_ENABLE_OPENMPTARGET
TEST(TEST_CATEGORY_DEATH, view_construction_with_wrong_params_dyn) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
#ifndef KOKKOS_ENABLE_DEBUG_BOUNDS_CHECK
GTEST_SKIP() << "only enforced when debug bound checks is enabled";
VIEW_CTOR_TEST_UNREACHABLE();
#endif
test_matching_arguments_rank<0, 0, DynamicRank>(); // dim = 0, dynamic = 0
test_matching_arguments_rank<1, 1, DynamicRank>(); // dim = 1, dynamic = 1
test_matching_arguments_rank<2, 2, DynamicRank>(); // dim = 2, dynamic = 2
test_matching_arguments_rank<3, 3, DynamicRank>(); // dim = 3, dynamic = 3
test_matching_arguments_rank<4, 4, DynamicRank>(); // dim = 4, dynamic = 4
test_matching_arguments_rank<5, 5, DynamicRank>(); // dim = 5, dynamic = 5
test_matching_arguments_rank<6, 6, DynamicRank>(); // dim = 6, dynamic = 6
test_matching_arguments_rank<7, 7, DynamicRank>(); // dim = 7, dynamic = 7
test_matching_arguments_rank<8, 8, DynamicRank>(); // dim = 8, dynamic = 8
}
template <int rank>
struct StaticRank {
using type = typename StaticRank<rank - 1>::type[1];
};
template <>
struct StaticRank<0> {
using type = int;
};
TEST(TEST_CATEGORY_DEATH, view_construction_with_wrong_params_stat) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
#ifndef KOKKOS_ENABLE_DEBUG_BOUNDS_CHECK
GTEST_SKIP() << "only enforced when debug bound checks is enabled";
VIEW_CTOR_TEST_UNREACHABLE();
#endif
test_matching_arguments_rank<0, 0, StaticRank>(); // dim = 0, dynamic = 0
test_matching_arguments_rank<1, 0, StaticRank>(); // dim = 1, dynamic = 0
test_matching_arguments_rank<2, 0, StaticRank>(); // dim = 2, dynamic = 0
test_matching_arguments_rank<3, 0, StaticRank>(); // dim = 3, dynamic = 0
test_matching_arguments_rank<4, 0, StaticRank>(); // dim = 4, dynamic = 0
test_matching_arguments_rank<5, 0, StaticRank>(); // dim = 5, dynamic = 0
test_matching_arguments_rank<6, 0, StaticRank>(); // dim = 6, dynamic = 0
test_matching_arguments_rank<7, 0, StaticRank>(); // dim = 7, dynamic = 0
test_matching_arguments_rank<8, 0, StaticRank>(); // dim = 8, dynamic = 0
}
template <int rank>
struct MixedRank {
using type = typename DynamicRank<rank - 1>::type[1];
};
template <>
struct MixedRank<0> {
using type = int;
};
TEST(TEST_CATEGORY_DEATH, view_construction_with_wrong_params_mix) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
#ifndef KOKKOS_ENABLE_DEBUG_BOUNDS_CHECK
GTEST_SKIP() << "only enforced when debug bound checks is enabled";
VIEW_CTOR_TEST_UNREACHABLE();
#endif
test_matching_arguments_rank<0, 0, MixedRank>(); // dim = 0, dynamic = 0
test_matching_arguments_rank<1, 0, MixedRank>(); // dim = 1, dynamic = 0
test_matching_arguments_rank<2, 1, MixedRank>(); // dim = 2, dynamic = 1
test_matching_arguments_rank<3, 2, MixedRank>(); // dim = 3, dynamic = 2
test_matching_arguments_rank<4, 3, MixedRank>(); // dim = 4, dynamic = 3
test_matching_arguments_rank<5, 4, MixedRank>(); // dim = 5, dynamic = 4
test_matching_arguments_rank<6, 5, MixedRank>(); // dim = 6, dynamic = 5
test_matching_arguments_rank<7, 6, MixedRank>(); // dim = 7, dynamic = 6
test_matching_arguments_rank<8, 7, MixedRank>(); // dim = 8, dynamic = 7
}
#define CHECK_DEATH(EXPR) \
ASSERT_DEATH(EXPR, \
"The specified run-time extent for Kokkos::View 'v' does not " \
"match the compile-time extent in dimension 0. The given " \
"extent is 2 but should be 1.")
#define CHECK_DEATH_UNMANAGED(EXPR) \
ASSERT_DEATH( \
EXPR, \
"The specified run-time extent for Kokkos::View 'UNMANAGED' does not " \
"match the compile-time extent in dimension 0. The given " \
"extent is 2 but should be 1.")
TEST(TEST_CATEGORY_DEATH, view_construction_with_wrong_static_extents) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
#ifndef KOKKOS_ENABLE_DEBUG_BOUNDS_CHECK
GTEST_SKIP() << "only enforced when debug bound checks is enabled";
VIEW_CTOR_TEST_UNREACHABLE();
#endif
// clang-format off
CHECK_DEATH({ Kokkos::View<int[1]> v("v", 2); });
CHECK_DEATH({ Kokkos::View<int[1][1]> v("v", 2, 1); });
CHECK_DEATH({ Kokkos::View<int[1][1][1]> v("v", 2, 1, 1); });
CHECK_DEATH({ Kokkos::View<int[1][1][1][1]> v("v", 2, 1, 1, 1); });
CHECK_DEATH({ Kokkos::View<int[1][1][1][1][1]> v("v", 2, 1, 1, 1, 1); });
CHECK_DEATH({ Kokkos::View<int[1][1][1][1][1][1]> v("v", 2, 1, 1, 1, 1, 1); });
CHECK_DEATH({ Kokkos::View<int[1][1][1][1][1][1][1]> v("v", 2, 1, 1, 1, 1, 1, 1); });
CHECK_DEATH({ Kokkos::View<int[1][1][1][1][1][1][1][1]> v("v", 2, 1, 1, 1, 1, 1, 1, 1); });
CHECK_DEATH_UNMANAGED({ Kokkos::View<int[1]> v(nullptr, 2); });
CHECK_DEATH_UNMANAGED({ Kokkos::View<int[1][1]> v(nullptr, 2, 1); });
CHECK_DEATH_UNMANAGED({ Kokkos::View<int[1][1][1]> v(nullptr, 2, 1, 1); });
CHECK_DEATH_UNMANAGED({ Kokkos::View<int[1][1][1][1]> v(nullptr, 2, 1, 1, 1); });
CHECK_DEATH_UNMANAGED({ Kokkos::View<int[1][1][1][1][1]> v(nullptr, 2, 1, 1, 1, 1); });
CHECK_DEATH_UNMANAGED({ Kokkos::View<int[1][1][1][1][1][1]> v(nullptr, 2, 1, 1, 1, 1, 1); });
CHECK_DEATH_UNMANAGED({ Kokkos::View<int[1][1][1][1][1][1][1]> v(nullptr, 2, 1, 1, 1, 1, 1, 1); });
CHECK_DEATH_UNMANAGED({ Kokkos::View<int[1][1][1][1][1][1][1][1]> v(nullptr, 2, 1, 1, 1, 1, 1, 1, 1); });
// clang-format on
}
#undef CHECK_DEATH
#undef CHECK_DEATH_UNMANAGED
#endif // KOKKOS_ENABLE_OPENMPTARGET
#undef VIEW_CTOR_TEST_UNREACHABLE
} // namespace Test
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