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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright Contributors to the Kokkos project
#include <impl/Kokkos_HostSharedPtr.hpp>
#include <gtest/gtest.h>
using Kokkos::Impl::HostSharedPtr;
TEST(TEST_CATEGORY, host_shared_ptr_use_count) {
using T = int;
{
HostSharedPtr<T> p1;
EXPECT_EQ(p1.use_count(), 0);
}
{
HostSharedPtr<T> p1(nullptr);
EXPECT_EQ(p1.use_count(), 0);
}
{
HostSharedPtr<T> p1(new T());
EXPECT_EQ(p1.use_count(), 1);
}
{
HostSharedPtr<T> p1(new T(), [](T* p) { delete p; });
EXPECT_EQ(p1.use_count(), 1);
}
{
T i;
HostSharedPtr<T> p1(&i, [](T*) {});
EXPECT_EQ(p1.use_count(), 1);
}
{
HostSharedPtr<T> p1(new T());
HostSharedPtr<T> p2(p1); // copy construction
EXPECT_EQ(p1.use_count(), 2);
EXPECT_EQ(p2.use_count(), 2);
}
{
HostSharedPtr<T> p1(new T());
HostSharedPtr<T> p2(std::move(p1)); // move construction
EXPECT_EQ(p2.use_count(), 1);
}
{
HostSharedPtr<T> p1(new T());
HostSharedPtr<T> p2;
p2 = p1; // copy assignment
EXPECT_EQ(p1.use_count(), 2);
EXPECT_EQ(p2.use_count(), 2);
}
{
HostSharedPtr<T> p1(new T());
HostSharedPtr<T> p2;
p2 = std::move(p1); // move assignment
EXPECT_EQ(p2.use_count(), 1);
}
}
TEST(TEST_CATEGORY, host_shared_ptr_get) {
using T = int;
{
HostSharedPtr<T> p1;
EXPECT_EQ(p1.get(), nullptr);
}
{
HostSharedPtr<T> p1(nullptr);
EXPECT_EQ(p1.get(), nullptr);
}
{
T* p_i = new T();
HostSharedPtr<T> p1(p_i);
EXPECT_EQ(p1.get(), p_i);
}
{
T* p_i = new T();
HostSharedPtr<T> p1(p_i, [](T* p) { delete p; });
EXPECT_EQ(p1.get(), p_i);
}
{
T i;
HostSharedPtr<T> p1(&i, [](T*) {});
EXPECT_EQ(p1.get(), &i);
}
{
T i;
HostSharedPtr<T> p1(&i, [](T*) {});
HostSharedPtr<T> p2(p1); // copy construction
EXPECT_EQ(p1.get(), &i);
EXPECT_EQ(p1.get(), &i);
}
{
T i;
HostSharedPtr<T> p1(&i, [](T*) {});
HostSharedPtr<T> p2(std::move(p1)); // move construction
EXPECT_EQ(p1.get(), nullptr); // NOLINT(bugprone-use-after-move)
EXPECT_EQ(p2.get(), &i);
}
{
T i;
HostSharedPtr<T> p1(&i, [](T*) {});
HostSharedPtr<T> p2;
p2 = p1; // copy assignment
EXPECT_EQ(p1.get(), &i);
EXPECT_EQ(p2.get(), &i);
}
{
T i;
HostSharedPtr<T> p1(&i, [](T*) {});
HostSharedPtr<T> p2;
p2 = std::move(p1); // move assignment
EXPECT_EQ(p1.get(), nullptr); // NOLINT(bugprone-use-after-move)
EXPECT_EQ(p2.get(), &i);
}
}
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