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opm-simulators/tests/gpuistl/test_GpuBuffer.cu
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/*
Copyright 2024 SINTEF AS
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#define BOOST_TEST_MODULE TestGpuBuffer
#include <boost/test/unit_test.hpp>
#include <cuda_runtime.h>
#include <opm/simulators/linalg/gpuistl/GpuBuffer.hpp>
#include <opm/simulators/linalg/gpuistl/GpuView.hpp>
#include <opm/simulators/linalg/gpuistl/detail/gpu_safe_call.hpp>
#include <array>
#include <algorithm>
#include <type_traits>
BOOST_AUTO_TEST_CASE(TestMakeView)
{
// check creation of buffers and views for mutable buffers
auto buf = std::vector<int>({1, 2, 3, 4, 5, 6});
auto gpubuf = ::Opm::gpuistl::GpuBuffer<int>(buf);
auto gpuview = ::Opm::gpuistl::make_view(gpubuf);
bool gpuBufCreatedView = std::is_same_v<::Opm::gpuistl::GpuView<int>, decltype(gpuview)>;
BOOST_CHECK(gpuBufCreatedView);
auto gpubufOnCpu = gpubuf.asStdVector();
BOOST_CHECK_EQUAL_COLLECTIONS(gpubufOnCpu.begin(), gpubufOnCpu.end(), buf.begin(), buf.end());
// check creation of buffers and views for const buffers
const auto buf2 = std::vector<int>({2, 3, 4, 5, 6});
const auto gpubuf2 = ::Opm::gpuistl::GpuBuffer<int>(buf2);
auto gpuview2 = ::Opm::gpuistl::make_view(gpubuf2);
bool gpuBufCreatedView2 = std::is_same_v<::Opm::gpuistl::GpuView<const int>, decltype(gpuview2)>;
BOOST_CHECK(gpuBufCreatedView2);
auto gpubufOnCpu2 = gpubuf2.asStdVector();
BOOST_CHECK_EQUAL_COLLECTIONS(gpubufOnCpu2.begin(), gpubufOnCpu2.end(), buf2.begin(), buf2.end());
}