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// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.

// All rights not expressly granted are reserved.

//

// This software is distributed under the terms of the GNU General Public

// License v3 (GPL Version 3), copied verbatim in the file "COPYING".

//

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/// @file test_ransAlignedArray.h

/// @author Michael Lettrich

/// @brief Test class that encapsulates SIMD Vectors

#define BOOST_TEST_MODULE Utility test

#define BOOST_TEST_MAIN

#define BOOST_TEST_DYN_LINK

#include <vector>

#include <type_traits>

#include <array>

#include <boost/test/unit_test.hpp>

#include <boost/mpl/list.hpp>

#include <fairlogger/Logger.h>

#include "rANS/internal/common/defines.h"

#ifdef RANS_SIMD

#include "rANS/internal/containers/AlignedArray.h"

BOOST_AUTO_TEST_CASE(test_AlignedArray)

{

using namespace o2::rans::internal::simd;

using array_t = AlignedArray<uint32_t, SIMDWidth::SSE, 1>;

const array_t a{1u, 2u, 3u, 4u};

const std::array<uint32_t, 4> reference{1u, 2u, 3u, 4u};

BOOST_CHECK_EQUAL(a.nElements(), 4);

BOOST_CHECK_EQUAL(a.size(), 1);

BOOST_CHECK_EQUAL(a.data(), &a(0));

BOOST_CHECK_EQUAL_COLLECTIONS(gsl::make_span(a).begin(), gsl::make_span(a).end(), reference.begin(), reference.end());

BOOST_CHECK_EQUAL_COLLECTIONS(gsl::make_span(a).rbegin(), gsl::make_span(a).rend(), reference.rbegin(), reference.rend());

BOOST_CHECK_EQUAL(a[0], gsl::make_span(a.data(), 4));

const array_t a2{1};

const std::array<uint32_t, 4> reference2{1u, 1u, 1u, 1u};

BOOST_CHECK_EQUAL(a2.size(), 1);

BOOST_CHECK_EQUAL(a2.nElements(), 4);

BOOST_CHECK_EQUAL(a2.data(), &a2(0));

BOOST_CHECK_EQUAL_COLLECTIONS(gsl::make_span(a2).begin(), gsl::make_span(a2).end(), reference2.begin(), reference2.end());

BOOST_CHECK_EQUAL_COLLECTIONS(gsl::make_span(a2).rbegin(), gsl::make_span(a2).rend(), reference2.rbegin(), reference2.rend());

};

#else /* !defined(RANS_SIMD) */

BOOST_AUTO_TEST_CASE(test_NoSIMD)

{

BOOST_TEST_WARN("Tests were not Compiled for SIMD, cannot run all tests");

}

#endif