214 lines
7.7 KiB
C++
214 lines
7.7 KiB
C++
/*
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//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 3.0
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// Copyright (2020) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
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//
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// ************************************************************************
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//@HEADER
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*/
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#include <cstdio>
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#include <gtest/gtest.h>
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#include <Kokkos_Core.hpp>
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#include <Kokkos_DynRankView.hpp>
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#include <type_traits>
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#include <typeinfo>
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namespace Test {
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namespace {
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template <typename ExecSpace>
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struct TestViewCtorProp_EmbeddedDim {
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using ViewIntType = typename Kokkos::View<int**, ExecSpace>;
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using ViewDoubleType = typename Kokkos::View<double*, ExecSpace>;
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using DynRankViewIntType = typename Kokkos::DynRankView<int, ExecSpace>;
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using DynRankViewDoubleType = typename Kokkos::DynRankView<double, ExecSpace>;
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// Cuda 7.0 has issues with using a lambda in parallel_for to initialize the
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// view - replace with this functor
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template <class ViewType>
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struct Functor {
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ViewType v;
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Functor(const ViewType& v_) : v(v_) {}
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KOKKOS_INLINE_FUNCTION
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void operator()(const int i) const { v(i) = i; }
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};
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static void test_vcpt(const int N0, const int N1) {
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// Create two views to test
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{
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using VIT = typename TestViewCtorProp_EmbeddedDim::ViewIntType;
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using VDT = typename TestViewCtorProp_EmbeddedDim::ViewDoubleType;
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VIT vi1("vi1", N0, N1);
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VDT vd1("vd1", N0);
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// TEST: Test for common type between two views, one with type double,
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// other with type int Deduce common value_type and construct a view with
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// that type
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{
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// Two views
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auto view_alloc_arg = Kokkos::common_view_alloc_prop(vi1, vd1);
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using CommonViewValueType =
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typename decltype(view_alloc_arg)::value_type;
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using CVT = typename Kokkos::View<CommonViewValueType*, ExecSpace>;
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using HostCVT = typename CVT::HostMirror;
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// Construct View using the common type; for case of specialization, an
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// 'embedded_dim' would be stored by view_alloc_arg
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CVT cv1(Kokkos::view_alloc("cv1", view_alloc_arg), N0 * N1);
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Kokkos::parallel_for(Kokkos::RangePolicy<ExecSpace>(0, N0 * N1),
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Functor<CVT>(cv1));
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HostCVT hcv1 = Kokkos::create_mirror_view(cv1);
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Kokkos::deep_copy(hcv1, cv1);
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ASSERT_EQ((std::is_same<CommonViewValueType, double>::value), true);
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#if 0
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// debug output
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for ( int i = 0; i < N0*N1; ++i ) {
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printf(" Output check: hcv1(%d) = %lf\n ", i, hcv1(i) );
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}
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printf( " Common value type view: %s \n", typeid( CVT() ).name() );
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printf( " Common value type: %s \n", typeid( CommonViewValueType() ).name() );
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if ( std::is_same< CommonViewValueType, double >::value == true ) {
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printf("Proper common value_type\n");
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}
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else {
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printf("WRONG common value_type\n");
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}
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// end debug output
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#endif
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}
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{
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// Single view
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auto view_alloc_arg = Kokkos::common_view_alloc_prop(vi1);
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using CommonViewValueType =
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typename decltype(view_alloc_arg)::value_type;
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using CVT = typename Kokkos::View<CommonViewValueType*, ExecSpace>;
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using HostCVT = typename CVT::HostMirror;
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// Construct View using the common type; for case of specialization, an
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// 'embedded_dim' would be stored by view_alloc_arg
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CVT cv1(Kokkos::view_alloc("cv1", view_alloc_arg), N0 * N1);
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Kokkos::parallel_for(Kokkos::RangePolicy<ExecSpace>(0, N0 * N1),
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Functor<CVT>(cv1));
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HostCVT hcv1 = Kokkos::create_mirror_view(cv1);
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Kokkos::deep_copy(hcv1, cv1);
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ASSERT_EQ((std::is_same<CommonViewValueType, int>::value), true);
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}
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}
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// Create two dynamic rank views to test
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{
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using VIT = typename TestViewCtorProp_EmbeddedDim::DynRankViewIntType;
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using VDT = typename TestViewCtorProp_EmbeddedDim::DynRankViewDoubleType;
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VIT vi1("vi1", N0, N1);
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VDT vd1("vd1", N0);
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// TEST: Test for common type between two views, one with type double,
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// other with type int Deduce common value_type and construct a view with
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// that type
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{
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// Two views
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auto view_alloc_arg = Kokkos::common_view_alloc_prop(vi1, vd1);
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using CommonViewValueType =
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typename decltype(view_alloc_arg)::value_type;
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using CVT = typename Kokkos::View<CommonViewValueType*, ExecSpace>;
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using HostCVT = typename CVT::HostMirror;
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// Construct View using the common type; for case of specialization, an
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// 'embedded_dim' would be stored by view_alloc_arg
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CVT cv1(Kokkos::view_alloc("cv1", view_alloc_arg), N0 * N1);
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Kokkos::parallel_for(Kokkos::RangePolicy<ExecSpace>(0, N0 * N1),
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Functor<CVT>(cv1));
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HostCVT hcv1 = Kokkos::create_mirror_view(cv1);
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Kokkos::deep_copy(hcv1, cv1);
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ASSERT_EQ((std::is_same<CommonViewValueType, double>::value), true);
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}
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{
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// Single views
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auto view_alloc_arg = Kokkos::common_view_alloc_prop(vi1);
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using CommonViewValueType =
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typename decltype(view_alloc_arg)::value_type;
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using CVT = typename Kokkos::View<CommonViewValueType*, ExecSpace>;
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using HostCVT = typename CVT::HostMirror;
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// Construct View using the common type; for case of specialization, an
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// 'embedded_dim' would be stored by view_alloc_arg
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CVT cv1(Kokkos::view_alloc("cv1", view_alloc_arg), N0 * N1);
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Kokkos::parallel_for(Kokkos::RangePolicy<ExecSpace>(0, N0 * N1),
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Functor<CVT>(cv1));
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HostCVT hcv1 = Kokkos::create_mirror_view(cv1);
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Kokkos::deep_copy(hcv1, cv1);
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ASSERT_EQ((std::is_same<CommonViewValueType, int>::value), true);
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}
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}
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} // end test_vcpt
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}; // end struct
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} // namespace
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TEST(TEST_CATEGORY, viewctorprop_embedded_dim) {
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TestViewCtorProp_EmbeddedDim<TEST_EXECSPACE>::test_vcpt(2, 3);
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}
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} // namespace Test
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