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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright Contributors to the Kokkos project
#include <Kokkos_Macros.hpp>
#ifdef KOKKOS_ENABLE_EXPERIMENTAL_CXX20_MODULES
import kokkos.core;
#else
#include <Kokkos_Core.hpp>
#endif
#include <TestHPX_Category.hpp>
namespace {
std::atomic<int> dummy_count;
struct dummy {
dummy() { ++dummy_count; }
dummy(dummy &&) { ++dummy_count; }
dummy(dummy const &) { ++dummy_count; }
~dummy() { --dummy_count; }
void f() const {}
};
// This test makes sure the independent HPX instances don't hold on to captured
// data after destruction.
TEST(hpx, independent_instances_reference_counting) {
ASSERT_EQ(0, dummy_count);
{
dummy d;
ASSERT_EQ(1, dummy_count);
Kokkos::Experimental::HPX hpx(
Kokkos::Experimental::HPX::instance_mode::independent);
Kokkos::parallel_for(
"Test::hpx::reference_counting::dummy",
Kokkos::RangePolicy<Kokkos::Experimental::HPX>(hpx, 0, 1),
KOKKOS_LAMBDA(int) {
// Make sure dummy struct is captured.
d.f();
});
hpx.fence();
ASSERT_EQ(1, dummy_count);
}
ASSERT_EQ(0, dummy_count);
}
} // namespace
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