/******************************************************************************
The MIT License(MIT)

Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com

Copyright(c) 2025 John Wellbelove, rlindeman

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the 'Software'), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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******************************************************************************/

#include "unit_test_framework.h"

#include <map>
#include <array>
#include <algorithm>
#include <utility>
#include <iterator>
#include <string>
#include <vector>

#include "etl/const_map.h"
#include "etl/map.h"
#include "etl/string.h"

#include "data.h"

namespace
{
  static const size_t Max_Size = 10UL;

  //*************************************************************************
  // The key type
  //*************************************************************************
  struct Key
  {
    // Default constructor
    constexpr Key()
      : k(0)
    {
    }

    // Construct from char key
    constexpr explicit Key(char k_)
      : k(k_)
    {
    }

    char k;
  };

  // Less-than operator for Key < Key
  constexpr bool operator <(const Key& lhs, const Key& rhs) ETL_NOEXCEPT
  {
    return (lhs.k < rhs.k);
  }

  // Less-than operator for Key < char
  constexpr bool operator <(const Key& lhs, char rhs) ETL_NOEXCEPT
  {
    return (lhs.k < rhs);
  }

  // Less-than operator for char < Key
  constexpr bool operator <(char lhs, const Key& rhs) ETL_NOEXCEPT
  {
    return (lhs < rhs.k);
  }

  // Greater-than operator for Key > char
  constexpr bool operator >(const Key& lhs, const Key& rhs) ETL_NOEXCEPT
  {
    return (lhs.k > rhs.k);
  }

  // Greater-than operator for char > Key
  constexpr bool operator ==(const Key& lhs, const Key& rhs) ETL_NOEXCEPT
  {
    return (lhs.k == rhs.k);
  }

  //#define TEST_GREATER_THAN
  #ifdef TEST_GREATER_THAN
    using Data                      = etl::const_map<Key, int, Max_Size, std::greater<Key>>;
    using DataTransparentComparator = etl::const_map<Key, int, Max_Size, std::greater<>>;
  #else
    using Data                      = etl::const_map<Key, int, Max_Size, etl::less<Key>>;
    using DataTransparentComparator = etl::const_map<Key, int, Max_Size, etl::less<>>;
  #endif

  using value_type = Data::value_type;

  using Data_iterator       = Data::iterator;
  using Data_const_iterator = Data::const_iterator;

  SUITE(test_const_map)
  {
    //*************************************************************************
#include "etl/private/diagnostic_null_dereference_push.h"
    template <typename T1, typename T2>
    bool Check_Equal(T1 begin1, T1 end1, T2 begin2)
    {
      while (begin1 != end1)
      {
        if ((begin1->first != begin2->first) || (begin1->second != begin2->second))
        {
          return false;
        }

        ++begin1;
        ++begin2;
      }

      return true;
    }
#include "etl/private/diagnostic_pop.h"

    //*************************************************************************
    TEST(test_default_constructor)
    {
      static constexpr Data data;

      static constexpr bool   is_valid            = data.is_valid();
      static constexpr size_t size                = data.size();
      static constexpr bool   empty               = data.empty();
      static constexpr bool   full                = data.full();
      static constexpr size_t capacity            = data.capacity();
      static constexpr size_t max_size            = data.max_size();
      static constexpr Data::const_iterator begin = data.begin();
      static constexpr Data::const_iterator end   = data.end();

      CHECK_TRUE(is_valid);
      CHECK_TRUE(size == 0UL);
      CHECK_TRUE(empty);
      CHECK_FALSE(full);
      CHECK_TRUE(capacity == Max_Size);
      CHECK_TRUE(max_size == Max_Size);
      CHECK_TRUE(begin == end);
    }

    //*************************************************************************
    TEST(test_constructor_min_size)
    {
      static constexpr Data data{ value_type{Key('A'), 0 } };

      static constexpr bool   is_valid            = data.is_valid();
      static constexpr size_t size                = data.size();
      static constexpr bool   empty               = data.empty();
      static constexpr bool   full                = data.full();
      static constexpr size_t capacity            = data.capacity();
      static constexpr size_t max_size            = data.max_size();
      static constexpr Data::const_iterator begin = data.begin();
      static constexpr Data::const_iterator end   = data.end();

      CHECK_TRUE(is_valid);
      CHECK_TRUE(size == 1U);
      CHECK_FALSE(empty);
      CHECK_FALSE(full);
      CHECK_TRUE(capacity == Max_Size);
      CHECK_TRUE(max_size == Max_Size);
      CHECK_FALSE(begin == end);
    }

    //*************************************************************************
    TEST(test_constructor_max_size)
    {
#ifdef TEST_GREATER_THAN
      static constexpr Data data{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                  value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
#else
      static constexpr Data data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                  value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
#endif

      CHECK_TRUE(data.is_valid());
      CHECK_TRUE(data.size() == Max_Size);
      CHECK_FALSE(data.empty());
      CHECK_TRUE(data.full());
      CHECK_TRUE(data.capacity() == Max_Size);
      CHECK_TRUE(data.max_size() == Max_Size);
      CHECK_FALSE(data.begin() == data.end());
    }

    ////*************************************************************************
    // Enable to check static_assert "Number of elements exceeds capacity"
    ////*************************************************************************
    //TEST(test_constructor_excess_size)
    //{
    //  static constexpr Data data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
    //                              value_type{Key('F'), 5 }, value_type{'G'), 6 }, value_type{'H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 },
    //                              value_type{Key('K'), 10 } };
    //}

#if ETL_USING_CPP17
    //*************************************************************************
    TEST(test_cpp17_deduced_constructor)
    {
#ifdef TEST_GREATER_THAN
      static constexpr Data data{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                  value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
#else
      static constexpr Data data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                  value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
#endif

#ifdef TEST_GREATER_THAN
      etl::const_map<Key, int, 10U> check{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                           value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
#else
      etl::const_map<Key, int, 10U> check{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                           value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
#endif
      CHECK_TRUE(data.is_valid());
      CHECK_TRUE(data.size() == Max_Size);
      CHECK_FALSE(data.empty());
      CHECK_TRUE(data.full());
      CHECK_TRUE(data.capacity() == Max_Size);
      CHECK_TRUE(data.max_size() == Max_Size);
      CHECK_FALSE(data.begin() == data.end());
    }
#endif

    //*************************************************************************
    TEST(test_begin)
    {
#ifdef TEST_GREATER_THAN
      static constexpr Data data{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                  value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
#else
      static constexpr Data data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                  value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
#endif

      CHECK_TRUE(data.is_valid());
      auto value = *data.begin();

#ifdef TEST_GREATER_THAN
      CHECK_TRUE((value_type{ Key('J'), 9 }) == value);
#else
      CHECK_TRUE((value_type{ Key('A'), 0 }) == value);
#endif
    }

    //*************************************************************************
    TEST(test_end)
    {
#ifdef TEST_GREATER_THAN
      static constexpr Data data{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                  value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
#else
      static constexpr Data data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                  value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
#endif

      CHECK_TRUE(data.is_valid());
      CHECK_TRUE(data.end() == (data.begin() + data.size()));
    }

    //*************************************************************************
    TEST(test_index)
    {
#ifdef TEST_GREATER_THAN
      static constexpr Data data{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                  value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
#else
      static constexpr Data data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                  value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
#endif

      CHECK_TRUE(data.is_valid());
      CHECK(data[Key('A')] == 0);
      CHECK(data[Key('B')] == 1);
      CHECK(data[Key('C')] == 2);
      CHECK(data[Key('D')] == 3);
      CHECK(data[Key('E')] == 4);
      CHECK(data[Key('F')] == 5);
      CHECK(data[Key('G')] == 6);
      CHECK(data[Key('H')] == 7);
      CHECK(data[Key('I')] == 8);
      CHECK(data[Key('J')] == 9);
    }

    //*************************************************************************
    TEST(test_index__using_transparent_comparator)
    {
#ifdef TEST_GREATER_THAN
      static constexpr DataTransparentComparator data{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                                       value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
#else
      static constexpr DataTransparentComparator data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                                       value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
#endif

      CHECK_TRUE(data.is_valid());
      CHECK(data['A'] == 0);
      CHECK(data['B'] == 1);
      CHECK(data['C'] == 2);
      CHECK(data['D'] == 3);
      CHECK(data['E'] == 4);
      CHECK(data['F'] == 5);
      CHECK(data['G'] == 6);
      CHECK(data['H'] == 7);
      CHECK(data['I'] == 8);
      CHECK(data['J'] == 9);
    }

    //*************************************************************************
    TEST(test_at)
    {
#ifdef TEST_GREATER_THAN
    static constexpr Data data{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
#else
    static constexpr Data data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
#endif

      CHECK_TRUE(data.is_valid());
      CHECK(data.at(Key('A')) == 0);
      CHECK(data.at(Key('B')) == 1);
      CHECK(data.at(Key('C')) == 2);
      CHECK(data.at(Key('D')) == 3);
      CHECK(data.at(Key('E')) == 4);
      CHECK(data.at(Key('F')) == 5);
      CHECK(data.at(Key('G')) == 6);
      CHECK(data.at(Key('H')) == 7);
      CHECK(data.at(Key('I')) == 8);
      CHECK(data.at(Key('J')) == 9);
    }

    //*************************************************************************
    TEST(test_at_using_transparent_comparator)
    {
      #ifdef TEST_GREATER_THAN
          static constexpr DataTransparentComparator data{ value_type{Key('J'), 9 }, value_type{Key('I'), 8 }, value_type{Key('H'), 7 }, value_type{Key('G'), 6 }, value_type{Key('F'), 5 },
                                                           value_type{Key('E'), 4 }, value_type{Key('D'), 3 }, value_type{Key('C'), 2 }, value_type{Key('B'), 1 }, value_type{Key('A'), 0 } };
      #else
          static constexpr DataTransparentComparator data{ value_type{Key('A'), 0 }, value_type{Key('B'), 1 }, value_type{Key('C'), 2 }, value_type{Key('D'), 3 }, value_type{Key('E'), 4 },
                                                           value_type{Key('F'), 5 }, value_type{Key('G'), 6 }, value_type{Key('H'), 7 }, value_type{Key('I'), 8 }, value_type{Key('J'), 9 } };
      #endif

          CHECK_TRUE(data.is_valid());
          CHECK(data.at('A') == 0);
          CHECK(data.at('B') == 1);
          CHECK(data.at('C') == 2);
          CHECK(data.at('D') == 3);
          CHECK(data.at('E') == 4);
          CHECK(data.at('F') == 5);
          CHECK(data.at('G') == 6);
          CHECK(data.at('H') == 7);
          CHECK(data.at('I') == 8);
          CHECK(data.at('J') == 9);
    }

//    //*************************************************************************
//    TEST(test_equal_range)
//    {
//      Compare_Data compare_data(random_data.begin(), random_data.end());
//      Data data(random_data.begin(), random_data.end());
//
//      ETL_OR_STD::pair<Data::iterator, Data::iterator> data_result = data.equal_range('2');
//      Data::iterator data_lb = data.lower_bound('2');
//      ETL_OR_STD::pair<Compare_Data::iterator, Compare_Data::iterator> compare_result = compare_data.equal_range('2');
//      Compare_Data::iterator compare_data_lb = compare_data.lower_bound('2');
//
//      // Check that both return the same return results
//      CHECK(data_lb->first == compare_data_lb->first);
//      CHECK(data_lb->second == compare_data_lb->second);
//      CHECK(data_result.first->first == compare_result.first->first);
//      CHECK(data_result.first->second == compare_result.first->second);
//      CHECK(data_result.second->first == compare_result.second->first);
//      CHECK(data_result.second->second == compare_result.second->second);
//
//      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());
//
//      CHECK(isEqual);
//    }

//    //*************************************************************************
//    TEST(test_equal_range_using_transparent_comparator)
//    {
//      using CMap = std::map<char, int, std::less<char>>;
//      using EMap = etl::map<char, int, Max_Size, etl::less<>>;
//
//      CMap compare_data(random_data.begin(), random_data.end());
//      EMap data(random_data.begin(), random_data.end());
//
//      ETL_OR_STD::pair<EMap::iterator, EMap::iterator> data_result = data.equal_range(Key('2'));
//      EMap::iterator data_lb = data.lower_bound('2');
//      ETL_OR_STD::pair<CMap::iterator, CMap::iterator> compare_result = compare_data.equal_range('2');
//      CMap::iterator compare_data_lb = compare_data.lower_bound('2');
//
//      // Check that both return the same return results
//      CHECK(data_lb->first == compare_data_lb->first);
//      CHECK(data_lb->second == compare_data_lb->second);
//      CHECK(data_result.first->first == compare_result.first->first);
//      CHECK(data_result.first->second == compare_result.first->second);
//      CHECK(data_result.second->first == compare_result.second->first);
//      CHECK(data_result.second->second == compare_result.second->second);
//
//      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());
//
//      CHECK(isEqual);
//    }

//    //*************************************************************************
//    TEST(test_count)
//    {
//      const Data data(initial_data.begin(), initial_data.end());
//
//      CHECK(data.count('3') == 1UL);
//
//      CHECK(data.count(Key('A') == 0UL);
//    }

//    //*************************************************************************
//    TEST(test_count_using_transparent_comparator)
//    {
//      using EMap = etl::map<char, int, Max_Size, etl::less<>>;
//
//      const EMap data(initial_data.begin(), initial_data.end());
//
//      CHECK(data.count(Key('3')) == 1UL);
//
//      CHECK(data.count(Key(Key('A')) == 0UL);
//    }

//    //*************************************************************************
//    TEST(test_iterator)
//    {
//      Compare_Data compare_data(initial_data.begin(), initial_data.end());
//
//      Data data(compare_data.begin(), compare_data.end());
//
//      bool isEqual = Check_Equal(data.begin(),
//                                 data.end(),
//                                 compare_data.begin());
//
//      CHECK(isEqual);
//    }

//    //*************************************************************************
//    TEST(test_const_iterator)
//    {
//      Compare_Data compare_data(initial_data.begin(), initial_data.end());
//
//      Data data(compare_data.begin(), compare_data.end());
//
//      bool isEqual = Check_Equal(data.cbegin(),
//                                 data.cend(),
//                                 compare_data.cbegin());
//
//      CHECK(isEqual);
//    }

//    //*************************************************************************
//    TEST(test_find)
//    {
//      Data data(initial_data.begin(), initial_data.end());
//
//      Data::iterator it = data.find('3');
//      CHECK(3 == it->second);
//
//      it = data.find(Key('A');
//      CHECK(data.end() == it);
//
//      it = data.find('!');
//      CHECK(data.end() == it);
//    }

//    //*************************************************************************
//    TEST(test_find_using_transparent_comparator)
//    {
//      using EMap = etl::map<char, int, Max_Size, etl::less<>>;
//
//      EMap data(initial_data.begin(), initial_data.end());
//
//      EMap::iterator it = data.find(Key('3'));
//      CHECK(3 == it->second);
//
//      it = data.find(Key(Key('A'));
//      CHECK(data.end() == it);
//
//      it = data.find(Key('!'));
//      CHECK(data.end() == it);
//    }

//    //*************************************************************************
//    TEST(test_equal)
//    {
//      const Data initial1(initial_data.begin(), initial_data.end());
//      const Data initial2(initial_data.begin(), initial_data.end());
//
//      CHECK(initial1 == initial2);
//
//      const Data different(different_data.begin(), different_data.end());
//
//      CHECK(!(initial1 == different));
//    }

//    //*************************************************************************
//    TEST(test_not_equal)
//    {
//      const Data initial1(initial_data.begin(), initial_data.end());
//      const Data initial2(initial_data.begin(), initial_data.end());
//
//      CHECK(!(initial1 != initial2));
//
//      const Data different(different_data.begin(), different_data.end());
//
//      CHECK(initial1 != different);
//    }

//    //*************************************************************************
//    TEST(test_lower_bound)
//    {
//      Compare_Data compare_data(initial_data.begin(), initial_data.end());
//      Data data(initial_data.begin(), initial_data.end());
//
//      Compare_Data::iterator i_compare = compare_data.lower_bound('8');
//      Data::iterator i_data = data.lower_bound('8');
//      CHECK(i_compare->second == i_data->second);
//
//#ifdef TEST_GREATER_THAN
//      i_compare = compare_data.lower_bound('.');
//      CHECK(compare_data.end() == i_compare);
//
//      i_data = data.lower_bound('.');
//      CHECK(data.end() == i_data);
//
//      i_compare = compare_data.lower_bound(Key('A');
//      i_data = data.lower_bound(Key('A');
//      CHECK(i_compare->second == i_data->second);
//#else
//      i_compare = compare_data.lower_bound('.');
//      i_data = data.lower_bound('.');
//      CHECK(i_compare->second == i_data->second);
//
//      i_compare = compare_data.lower_bound(Key('A');
//      CHECK(compare_data.end() == i_compare);
//
//      i_data = data.lower_bound(Key('A');
//      CHECK(data.end() == i_data);
//#endif
//    }

//    //*************************************************************************
//    TEST(test_lower_bound_using_transparent_comparator)
//    {
//      using CMap = std::map<char, int, std::less<char>>;
//      using EMap = etl::map<char, int, Max_Size, etl::less<>>;
//
//      CMap compare_data(initial_data.begin(), initial_data.end());
//      EMap data(initial_data.begin(), initial_data.end());
//
//      CMap::iterator i_compare = compare_data.lower_bound('8');
//      EMap::iterator i_data = data.lower_bound(Key('8'));
//      CHECK(i_compare->second == i_data->second);
//
//      i_compare = compare_data.lower_bound('.');
//      i_data = data.lower_bound(Key('.'));
//      CHECK(i_compare->second == i_data->second);
//
//      i_compare = compare_data.lower_bound(Key('A');
//      CHECK(compare_data.end() == i_compare);
//
//      i_data = data.lower_bound(Key(Key('A'));
//      CHECK(data.end() == i_data);
//    }

//    //*************************************************************************
//    TEST(test_upper_bound)
//    {
//      Compare_Data compare_data(initial_data.begin(), initial_data.end());
//      Data data(initial_data.begin(), initial_data.end());
//
//      Compare_Data::iterator i_compare = compare_data.upper_bound('2');
//      Data::iterator i_data = data.upper_bound('2');
//      CHECK(i_compare->second == i_data->second);
//
//#ifdef TEST_GREATER_THAN
//      i_compare = compare_data.upper_bound('.');
//      CHECK(compare_data.end() == i_compare);
//
//      i_data = data.upper_bound('.');
//      CHECK(data.end() == i_data);
//
//      i_compare = compare_data.upper_bound(Key('A');
//      i_data = data.upper_bound(Key('A');
//      CHECK(i_compare->second == i_data->second);
//#else
//      i_compare = compare_data.upper_bound('.');
//      i_data = data.upper_bound('.');
//      CHECK(i_compare->second == i_data->second);
//
//      i_compare = compare_data.upper_bound(Key('A');
//      CHECK(compare_data.end() == i_compare);
//
//      i_data = data.upper_bound(Key('A');
//      CHECK(data.end() == i_data);
//#endif
//    }

//    //*************************************************************************
//    TEST(test_upper_bound_using_transparent_comparator)
//    {
//      using CMap = std::map<char, int, std::less<char>>;
//      using EMap = etl::map<char, int, Max_Size, etl::less<>>;
//
//      CMap compare_data(initial_data.begin(), initial_data.end());
//      EMap data(initial_data.begin(), initial_data.end());
//
//      CMap::iterator i_compare = compare_data.upper_bound('2');
//      EMap::iterator i_data = data.upper_bound(Key('2'));
//      CHECK(i_compare->second == i_data->second);
//
//      i_compare = compare_data.upper_bound('.');
//      i_data = data.upper_bound(Key('.'));
//      CHECK(i_compare->second == i_data->second);
//
//      i_compare = compare_data.upper_bound(Key('A');
//      CHECK(compare_data.end() == i_compare);
//
//      i_data = data.upper_bound(Key(Key('A'));
//      CHECK(data.end() == i_data);
//    }

//    //*************************************************************************
//    TEST(test_key_compare)
//    {
//      const Data data(initial_data.begin(), initial_data.end());
//
//      Data::key_compare compare = data.key_comp();
//
//      Data::key_type a(Key('A');
//      Data::key_type b(Key('B');
//
//#ifdef TEST_GREATER_THAN
//      CHECK(!compare(a, b));
//      CHECK(compare(b, a));
//#else
//      CHECK(compare(a, b));
//      CHECK(!compare(b, a));
//#endif
//    }

//    //*************************************************************************
//    TEST(test_key_compare_using_transparent_comparator)
//    {
//      using EMap = etl::map<char, int, Max_Size, etl::less<>>;
//      const EMap data(initial_data.begin(), initial_data.end());
//
//      EMap::key_compare compare = data.key_comp();
//
//      char a(Key('A');
//      Key b(Key('B');
//
//      CHECK(compare(a, b));
//      CHECK(!compare(b, a));
//   }

//    //*************************************************************************
//    TEST(test_value_compare)
//    {
//      const Data data(initial_data.begin(), initial_data.end());
//
//      Data::value_compare compare = data.value_comp();
//
//      Data::value_type a(char(Key('A'), 0);
//      Data::value_type b(char(Key('B'), 1);
//
//#ifdef TEST_GREATER_THAN
//      CHECK(!compare(a, b));
//      CHECK(compare(b, a));
//#else
//      CHECK(compare(a, b));
//      CHECK(!compare(b, a));
//#endif
//    }

//    //*************************************************************************
//    TEST(test_compare_lower_upper_bound)
//    {
//      Data data(initial_data_even.begin(), initial_data_even.end());
//      Compare_Data compare(initial_data_even.begin(), initial_data_even.end());
//
//      std::vector<ETL_OR_STD::pair<char, int> > tab(test_data.begin(), test_data.end());
//
//      //make sure both data and compare contain same elements
//      std::vector<ETL_OR_STD::pair<char, int> > data_elements(data.begin(), data.end());
//      std::vector<ETL_OR_STD::pair<char, int> > compare_data_elements(compare.begin(), compare.end());
//
//      CHECK(data_elements == compare_data_elements);
//      CHECK(data_elements.size() == Max_Size);
//
//      for(std::vector<ETL_OR_STD::pair<char, int> >::iterator it = tab.begin() ; it != tab.end() ; ++it)
//      {
//        char i = it->first;
//
//        //lower_bound
//        CHECK((compare.lower_bound(i) == compare.end()) == (data.lower_bound(i) == data.end()));
//        //if both end, or none
//        if((compare.lower_bound(i) == compare.end()) == (data.lower_bound(i) == data.end()))
//        {
//          //if both are not end
//          if(compare.lower_bound(i) != compare.end())
//          {
//            CHECK((*compare.lower_bound(i)) == (*data.lower_bound(i)));
//          }
//
//          ETL_OR_STD::pair<Compare_Data::const_iterator, Compare_Data::const_iterator> stlret = compare.equal_range(i);
//          ETL_OR_STD::pair<Data::const_iterator, Data::const_iterator> etlret = data.equal_range(i);
//
//          CHECK((stlret.first == compare.end()) == (etlret.first == data.end()));
//          if((stlret.first != compare.end()) && (etlret.first != data.end()))
//          {
//            CHECK((*stlret.first) == (*etlret.first));
//          }
//          CHECK((stlret.second == compare.end()) == (etlret.second == data.end()));
//          if((stlret.second != compare.end()) && (etlret.second != data.end()))
//          {
//            CHECK((*stlret.second) == (*etlret.second));
//          }
//        }
//
//        //upper_bound
//        CHECK((compare.upper_bound(i) == compare.end()) == (data.upper_bound(i) == data.end()));
//        //if both end, or none
//        if((compare.upper_bound(i) == compare.end()) == (data.upper_bound(i) == data.end()))
//        {
//          //if both are not end
//          if(compare.upper_bound(i) != compare.end())
//          {
//            CHECK((*compare.upper_bound(i)) == (*data.upper_bound(i)));
//          }
//        }
//      }
//    }

//    //*************************************************************************
//#if ETL_USING_CPP17 && ETL_HAS_INITIALIZER_LIST && !defined(ETL_TEMPLATE_DEDUCTION_GUIDE_TESTS_DISABLED)
//    TEST(test_map_template_deduction)
//    {
//      using Pair = std::pair<const etl::string<1>, int>;
//
//      etl::map data { Pair{'0', 0}, Pair{'1', 1}, Pair{'2', 2}, Pair{'3', 3}, Pair{'4', 4}, Pair{'5', 5} };
//
//      auto v = *data.begin();
//      using Type = decltype(v);
//      CHECK((std::is_same_v<Pair, Type>));
//
//      CHECK_EQUAL(0, data.at('0'));
//      CHECK_EQUAL(1, data.at('1'));
//      CHECK_EQUAL(2, data.at('2'));
//      CHECK_EQUAL(3, data.at('3'));
//      CHECK_EQUAL(4, data.at('4'));
//      CHECK_EQUAL(5, data.at('5'));
//    }
//#endif

//    //*************************************************************************
//    TEST(test_contains)
//    {
//      Data data(initial_data.begin(), initial_data.end());
//
//      CHECK(data.contains(char('1')));
//      CHECK(!data.contains(char('99')));
//    }

//    //*************************************************************************
//    TEST(test_contains_with_transparent_comparator)
//    {
//      etl::map<char, int, Max_Size, etl::less<>> data(initial_data.begin(), initial_data.end());
//
//      CHECK(data.contains(char('1')));
//      CHECK(data.contains(Key('1')));
//
//      CHECK(!data.contains(char('99')));
//      CHECK(!data.contains(Key('99')));
//    }
  };
}