// ==========================================================================
//                 SeqAn - The Library for Sequence Analysis
// ==========================================================================
// Copyright (c) 2006-2024, Knut Reinert, FU Berlin
// All rights reserved.
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// modification, are permitted provided that the following conditions are met:
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//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
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//     * Neither the name of Knut Reinert or the FU Berlin nor the names of
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//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// DAMAGE.
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// ==========================================================================
// Author: Rene Rahn <rene.rahn@fu-berlin.de>
// ==========================================================================

#include <seqan/align_parallel.h>

namespace test_align_parallel
{
struct IntermediateTraits_
{
    using TScoreValue   = int;
    using THostPosition = size_t;
};

}  // namespace test_align_parallel

SEQAN_DEFINE_TEST(test_align_parallel_intermediate_dp_result_construct)
{
    using namespace seqan2;

    using TIntermediate = WavefrontAlignmentResult<test_align_parallel::IntermediateTraits_>;

    SEQAN_ASSERT(std::is_default_constructible<TIntermediate>::value);
    SEQAN_ASSERT(std::is_copy_constructible<TIntermediate>::value);
    SEQAN_ASSERT(std::is_move_constructible<TIntermediate>::value);
    SEQAN_ASSERT(std::is_copy_assignable<TIntermediate>::value);
    SEQAN_ASSERT(std::is_move_assignable<TIntermediate>::value);

    {
        TIntermediate interim;
        SEQAN_ASSERT_EQ(interim._maxState.first, std::numeric_limits<int>::min());
        SEQAN_ASSERT_EQ(interim._maxState.second, 0u);
        SEQAN_ASSERT_EQ(interim._tileCol, 0u);
        SEQAN_ASSERT_EQ(interim._tileRow, 0u);
    }

    {
        TIntermediate interim{{10, 3u}};
        SEQAN_ASSERT_EQ(interim._maxState.first, 10);
        SEQAN_ASSERT_EQ(interim._maxState.second, 3u);
        SEQAN_ASSERT_EQ(interim._tileCol, 0u);
        SEQAN_ASSERT_EQ(interim._tileRow, 0u);
    }

    {
        TIntermediate interim{{10, 3u}, 2u, 4u};
        SEQAN_ASSERT_EQ(interim._maxState.first, 10);
        SEQAN_ASSERT_EQ(interim._maxState.second, 3u);
        SEQAN_ASSERT_EQ(interim._tileCol, 2u);
        SEQAN_ASSERT_EQ(interim._tileRow, 4u);
    }
}

SEQAN_DEFINE_TEST(test_align_parallel_intermediate_dp_result_update_max)
{
    using namespace seqan2;

    using TIntermediate = WavefrontAlignmentResult<test_align_parallel::IntermediateTraits_>;
    using TState = typename TIntermediate::TState;

    TIntermediate interim{{10, 3u}, 2, 4};
    updateMax(interim, TState{9, 7u}, 3, 5);
    SEQAN_ASSERT_EQ(interim._maxState.first, 10);
    SEQAN_ASSERT_EQ(interim._maxState.second, 3u);
    SEQAN_ASSERT_EQ(interim._tileCol, 2u);
    SEQAN_ASSERT_EQ(interim._tileRow, 4u);

    updateMax(interim, TState{11, 7u}, 3, 5);
    SEQAN_ASSERT_EQ(interim._maxState.first, 11);
    SEQAN_ASSERT_EQ(interim._maxState.second, 7u);
    SEQAN_ASSERT_EQ(interim._tileCol, 3u);
    SEQAN_ASSERT_EQ(interim._tileRow, 5u);

}

SEQAN_DEFINE_TEST(test_align_parallel_intermediate_dp_result_clear)
{
    using namespace seqan2;

    using TIntermediate = WavefrontAlignmentResult<test_align_parallel::IntermediateTraits_>;

    {
        TIntermediate interim{{10, 3u}, 2, 4};
        clear(interim);

        SEQAN_ASSERT_EQ(interim._maxState.first, std::numeric_limits<int>::min());
        SEQAN_ASSERT_EQ(interim._maxState.second, 0u);
        SEQAN_ASSERT_EQ(interim._tileCol, 0u);
        SEQAN_ASSERT_EQ(interim._tileRow, 0u);
    }
}
