// Copyright (c) 2006-2018 Maxim Khizhinsky
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE or copy at http://www.boost.org/LICENSE_1_0.txt)

#include "map_del3.h"

namespace map {

    size_t  Map_Del3::s_nMapSize = 10000;
    size_t  Map_Del3::s_nInsThreadCount = 4;
    size_t  Map_Del3::s_nDelThreadCount = 4;
    size_t  Map_Del3::s_nExtractThreadCount = 4;
    size_t  Map_Del3::s_nFindThreadCount = 2;
    size_t  Map_Del3::s_nMaxLoadFactor = 8;
    size_t  Map_Del3::s_nInsertPassCount = 100;

    size_t  Map_Del3::s_nCuckooInitialSize = 1024;
    size_t  Map_Del3::s_nCuckooProbesetSize = 16;
    size_t  Map_Del3::s_nCuckooProbesetThreshold = 0;

    size_t Map_Del3::s_nFeldmanMap_HeadBits = 10;
    size_t Map_Del3::s_nFeldmanMap_ArrayBits = 4;

    size_t Map_Del3::s_nLoadFactor = 1;
    std::vector<size_t> Map_Del3::m_arrElements;

    void Map_Del3::SetUpTestCase()
    {
        cds_test::config const& cfg = get_config( "map_delodd" );

        s_nMapSize = cfg.get_size_t( "MapSize", s_nMapSize );
        if ( s_nMapSize < 1000 )
            s_nMapSize = 1000;

        s_nInsThreadCount = cfg.get_size_t( "InsThreadCount", s_nInsThreadCount );
        if ( s_nInsThreadCount == 0 )
            s_nInsThreadCount = 1;

        s_nDelThreadCount = cfg.get_size_t( "DelThreadCount", s_nDelThreadCount );
        s_nExtractThreadCount = cfg.get_size_t( "ExtractThreadCount", s_nExtractThreadCount );
        s_nFindThreadCount = cfg.get_size_t( "FindThreadCount", s_nFindThreadCount );

        s_nMaxLoadFactor = cfg.get_size_t( "MaxLoadFactor", s_nMaxLoadFactor );
        if ( s_nMaxLoadFactor == 0 )
            s_nMaxLoadFactor = 1;

        s_nInsertPassCount = cfg.get_size_t( "PassCount", s_nInsertPassCount );
        if ( s_nInsertPassCount == 0 )
            s_nInsertPassCount = 100;

        s_nCuckooInitialSize = cfg.get_size_t( "CuckooInitialSize", s_nCuckooInitialSize );
        if ( s_nCuckooInitialSize < 256 )
            s_nCuckooInitialSize = 256;

        s_nCuckooProbesetSize = cfg.get_size_t( "CuckooProbesetSize", s_nCuckooProbesetSize );
        if ( s_nCuckooProbesetSize < 8 )
            s_nCuckooProbesetSize = 8;

        s_nCuckooProbesetThreshold = cfg.get_size_t( "CuckooProbesetThreshold", s_nCuckooProbesetThreshold );

        s_nFeldmanMap_HeadBits = cfg.get_size_t( "FeldmanMapHeadBits", s_nFeldmanMap_HeadBits );
        if ( s_nFeldmanMap_HeadBits == 0 )
            s_nFeldmanMap_HeadBits = 2;

        s_nFeldmanMap_ArrayBits = cfg.get_size_t( "FeldmanMapArrayBits", s_nFeldmanMap_ArrayBits );
        if ( s_nFeldmanMap_ArrayBits == 0 )
            s_nFeldmanMap_ArrayBits = 2;

        m_arrElements.resize( s_nMapSize );
        for ( size_t i = 0; i < s_nMapSize; ++i )
            m_arrElements[i] = i;;
        shuffle( m_arrElements.begin(), m_arrElements.end());
    }

    void Map_Del3::TearDownTestCase()
    {
        m_arrElements.clear();
    }

    std::vector<size_t> Map_Del3_LF::get_load_factors()
    {
        cds_test::config const& cfg = get_config( "map_delodd" );

        s_nMaxLoadFactor = cfg.get_size_t( "MaxLoadFactor", s_nMaxLoadFactor );
        if ( s_nMaxLoadFactor == 0 )
            s_nMaxLoadFactor = 1;

        std::vector<size_t> lf;
        for ( size_t n = 1; n <= s_nMaxLoadFactor; n *= 2 )
            lf.push_back( n );

        return lf;
    }

#ifdef CDSTEST_GTEST_INSTANTIATE_TEST_CASE_P_HAS_4TH_ARG
    static std::string get_test_parameter_name( testing::TestParamInfo<size_t> const& p )
    {
        return std::to_string( p.param );
    }
    INSTANTIATE_TEST_CASE_P( a, Map_Del3_LF, ::testing::ValuesIn( Map_Del3_LF::get_load_factors()), get_test_parameter_name );
#else
    INSTANTIATE_TEST_CASE_P( a, Map_Del3_LF, ::testing::ValuesIn( Map_Del3_LF::get_load_factors()));
#endif
} // namespace map
