Update Kokkos library in LAMMPS to v3.4.0

lib/kokkos/core/unit_test/TestHostSharedPtr.hpp

@@ -0,0 +1,155 @@
+/*
+//@HEADER
+// ************************************************************************
+//
+//                        Kokkos v. 3.0
+//       Copyright (2020) 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.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the Corporation nor the names of the
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
+//
+// ************************************************************************
+//@HEADER
+*/
+
+#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);
+    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(p1.get(), &i);
+  }
+  {
+    T i;
+    HostSharedPtr<T> p1(&i, [](T*) {});
+    HostSharedPtr<T> p2;
+    p2 = std::move(p1);  // move assignment
+    EXPECT_EQ(p1.get(), nullptr);
+    EXPECT_EQ(p2.get(), &i);
+  }
+}