etl/test/test_map.cpp

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

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

Copyright(c) 2014 John Wellbelove, rlindeman

Permission is hereby granted, free of charge, to any person obtaining a copy
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in the Software without restriction, including without limitation the rights
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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,
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******************************************************************************/

#include "unit_test_framework.h"

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

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

#include "data.h"

static const size_t MAX_SIZE = 10UL;

#define TEST_GREATER_THAN
#ifdef TEST_GREATER_THAN
using Data         = etl::map<std::string, int, MAX_SIZE, std::greater<std::string>>;
using IData        = etl::imap<std::string, int, std::greater<std::string>>;
using Compare_Data = std::map<std::string, int, std::greater<std::string>>;
#else
using Data         = etl::map<std::string, int, MAX_SIZE, std::less<std::string>>;
using IData        = etl::imap<std::string, int, std::less<std::string>>;
using Compare_Data = std::map<std::string, int, std::less<std::string>>;
#endif

using ItemM = TestDataM<int>;
using DataM = etl::map<std::string, ItemM, MAX_SIZE>;

using Data_iterator               = Data::iterator;
using Data_const_iterator         = Data::const_iterator;
using Compare_Data_iterator       = Compare_Data::iterator;
using Compare_Data_const_iterator = Compare_Data::const_iterator;

namespace
{
  struct Key
  {
    Key(const char* k_)
      : k(k_)
    {
    }

    std::string k;
  };

  bool operator<(const Key& lhs, const std::string& rhs)
  {
    return (lhs.k < rhs);
  }

  bool operator<(const std::string& lhs, const Key& rhs)
  {
    return (lhs < rhs.k);
  }

  SUITE(test_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"

    //*************************************************************************
    struct SetupFixture
    {
      // Maps of predefined data from which to construct maps used in each test
      std::map<std::string, int> initial_data;
      std::map<std::string, int> excess_data;
      std::map<std::string, int> different_data;
      std::map<std::string, int> random_data;
      std::map<std::string, int> initial_data_even;
      std::map<std::string, int> test_data;

      SetupFixture()
      {
        // Create a map of initial data
        initial_data["0"] = 0;
        initial_data["1"] = 1;
        initial_data["2"] = 2;
        initial_data["3"] = 3;
        initial_data["4"] = 4;
        initial_data["5"] = 5;
        initial_data["6"] = 6;
        initial_data["7"] = 7;
        initial_data["8"] = 8;
        initial_data["9"] = 9;

        // Create a map of excess data
        excess_data["0"]  = 0;
        excess_data["1"]  = 1;
        excess_data["2"]  = 2;
        excess_data["3"]  = 3;
        excess_data["4"]  = 4;
        excess_data["5"]  = 5;
        excess_data["6"]  = 6;
        excess_data["7"]  = 7;
        excess_data["8"]  = 8;
        excess_data["9"]  = 9;
        excess_data["10"] = 10;

        // Create a map of different data
        different_data["10"] = 10;
        different_data["11"] = 11;
        different_data["12"] = 12;
        different_data["13"] = 13;
        different_data["14"] = 14;
        different_data["15"] = 15;
        different_data["16"] = 16;
        different_data["17"] = 17;
        different_data["18"] = 18;
        different_data["19"] = 19;

        // Create a map of random data
        random_data["6"] = 6;
        random_data["5"] = 5;
        random_data["0"] = 0;
        random_data["8"] = 8;
        random_data["9"] = 9;
        random_data["2"] = 2;
        random_data["1"] = 1;
        random_data["3"] = 3;
        random_data["7"] = 7;
        random_data["4"] = 4;

        // even values
        initial_data_even["00"] = 0;
        initial_data_even["02"] = 2;
        initial_data_even["04"] = 4;
        initial_data_even["06"] = 6;
        initial_data_even["08"] = 8;
        initial_data_even["10"] = 10;
        initial_data_even["12"] = 12;
        initial_data_even["14"] = 14;
        initial_data_even["16"] = 16;
        initial_data_even["18"] = 18;

        // test set
        test_data["00"] = 0;
        test_data["01"] = 1;
        test_data["02"] = 2;
        test_data["03"] = 3;
        test_data["04"] = 4;
        test_data["05"] = 5;
        test_data["06"] = 6;
        test_data["07"] = 7;
        test_data["08"] = 8;
        test_data["09"] = 9;
        test_data["10"] = 10;
        test_data["11"] = 11;
        test_data["12"] = 12;
        test_data["13"] = 13;
        test_data["14"] = 14;
        test_data["15"] = 15;
        test_data["16"] = 16;
        test_data["17"] = 17;
        test_data["18"] = 18;
        test_data["19"] = 19;
      }
    };

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_default_constructor)
    {
      Data data;

      CHECK(data.size() == 0UL);
      CHECK(data.empty());
      CHECK(data.capacity() == MAX_SIZE);
      CHECK(data.max_size() == MAX_SIZE);
      CHECK(data.begin() == data.end());
    }

#if ETL_USING_CPP17 && ETL_HAS_INITIALIZER_LIST && !defined(ETL_TEMPLATE_DEDUCTION_GUIDE_TESTS_DISABLED)
    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_cpp17_deduced_constructor)
    {
      etl::map data{std::pair<std::string, int>("0", 0), std::pair<std::string, int>("1", 1), std::pair<std::string, int>("2", 2),
                    std::pair<std::string, int>("3", 3), std::pair<std::string, int>("4", 4), std::pair<std::string, int>("5", 5),
                    std::pair<std::string, int>("6", 6), std::pair<std::string, int>("7", 7), std::pair<std::string, int>("8", 8),
                    std::pair<std::string, int>("9", 9)};
      etl::map<std::string, int, 10U> check = {std::pair<std::string, int>("0", 0), std::pair<std::string, int>("1", 1),
                                               std::pair<std::string, int>("2", 2), std::pair<std::string, int>("3", 3),
                                               std::pair<std::string, int>("4", 4), std::pair<std::string, int>("5", 5),
                                               std::pair<std::string, int>("6", 6), std::pair<std::string, int>("7", 7),
                                               std::pair<std::string, int>("8", 8), std::pair<std::string, int>("9", 9)};

      CHECK(!data.empty());
      CHECK(data.full());
      CHECK(data.begin() != data.end());
      CHECK_EQUAL(10U, data.size());
      CHECK_EQUAL(0U, data.available());
      CHECK_EQUAL(10U, data.capacity());
      CHECK_EQUAL(10U, data.max_size());
      CHECK(data == check);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }
#endif

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_copy_constructor)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());
      Data         data1(compare_data.begin(), compare_data.end());
      Data         data2(data1);

      CHECK(initial_data.size() == data1.size());
      CHECK(data1.size() == data2.size());

      bool isEqual = false;

      isEqual = Check_Equal(data1.begin(), data1.end(), compare_data.begin());
      CHECK(isEqual);

      isEqual = Check_Equal(data2.begin(), data2.end(), compare_data.begin());
      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data2.begin(), data2.end(), data2.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_move_constructor)
    {
      DataM data1;

      ItemM d1(1);
      ItemM d2(2);
      ItemM d3(3);

      data1.insert(DataM::value_type(std::string("1"), etl::move(d1)));
      data1.insert(DataM::value_type(std::string("2"), etl::move(d2)));
      data1.insert(DataM::value_type(std::string("3"), etl::move(d3)));
      data1.insert(DataM::value_type(std::string("4"), ItemM(4)));

      DataM data2(std::move(data1));

      CHECK(!data1.empty()); // Move does not clear the source.

      CHECK(1 == data2.at("1").value);
      CHECK(2 == data2.at("2").value);
      CHECK(3 == data2.at("3").value);
      CHECK(4 == data2.at("4").value);

      CHECK_TRUE(std::is_sorted(data2.begin(), data2.end(), data2.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_destruct_via_imap)
    {
      Data* pdata = new Data(initial_data.begin(), initial_data.end());

      IData* pidata = pdata;
      delete pidata;
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_constructor_range)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());

      Data data(compare_data.begin(), compare_data.end());

      size_t d = static_cast<size_t>(std::distance(data.begin(), data.end()));

      CHECK(d == MAX_SIZE);
      CHECK(data.size() == MAX_SIZE);
      CHECK(!data.empty());
      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

#if ETL_HAS_INITIALIZER_LIST
    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_constructor_initializer_list)
    {
      Compare_Data compare_data = {Data::value_type(std::string("0"), 0), Data::value_type(std::string("1"), 1),
                                   Data::value_type(std::string("2"), 2), Data::value_type(std::string("3"), 3)};

      Data data = {Data::value_type(std::string("0"), 0), Data::value_type(std::string("1"), 1), Data::value_type(std::string("2"), 2),
                   Data::value_type(std::string("3"), 3)};

      CHECK(compare_data.size() == data.size());
      CHECK(!data.empty());

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }
#endif

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_assignment)
    {
      Data data(initial_data.begin(), initial_data.end());
      Data otherData;

      otherData = data;

      bool isEqual = Check_Equal(data.begin(), data.end(), otherData.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(otherData.begin(), otherData.end(), otherData.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_assignment_interface)
    {
      Data data1(initial_data.begin(), initial_data.end());
      Data data2;

      IData& idata1 = data1;
      IData& idata2 = data2;

      idata2 = idata1;

      bool isEqual = std::equal(data1.begin(), data1.end(), data2.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data2.begin(), data2.end(), data2.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_self_assignment)
    {
      Data data(initial_data.begin(), initial_data.end());
      Data other_data(data);

#include "etl/private/diagnostic_self_assign_overloaded_push.h"
      other_data = other_data;
#include "etl/private/diagnostic_pop.h"

      bool isEqual = std::equal(data.begin(), data.end(), other_data.begin());

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_move_assignment)
    {
      DataM data1;
      DataM data2;

      ItemM d1(1);
      ItemM d2(2);
      ItemM d3(3);

      data1.insert(DataM::value_type(std::string("1"), etl::move(d1)));
      data1.insert(DataM::value_type(std::string("2"), etl::move(d2)));
      data1.insert(DataM::value_type(std::string("3"), etl::move(d3)));
      data1.insert(DataM::value_type(std::string("4"), ItemM(4)));

      data2.insert(DataM::value_type(std::string("5"), ItemM(5)));
      data2 = std::move(data1);

      CHECK(1 == data2.at("1").value);
      CHECK(2 == data2.at("2").value);
      CHECK(3 == data2.at("3").value);
      CHECK(4 == data2.at("4").value);

      CHECK_TRUE(std::is_sorted(data2.begin(), data2.end(), data2.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_begin)
    {
      Data       data(initial_data.begin(), initial_data.end());
      const Data constData(data);

      CHECK(data.begin() == std::begin(data));
      CHECK(constData.begin() == std::begin(constData));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_end)
    {
      Data       data(initial_data.begin(), initial_data.end());
      const Data constData(data);

      CHECK(data.end() == std::end(data));
      CHECK(constData.end() == std::end(constData));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_empty)
    {
      Data data;
      data.insert(initial_data.begin(), initial_data.end());

      CHECK(data.full());
      CHECK(!data.empty());
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_full)
    {
      Data data;

      CHECK(!data.full());
      CHECK(data.empty());
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_index)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());

      Data data(compare_data.begin(), compare_data.end());

      CHECK(data["0"] == compare_data["0"]);
      CHECK(data["1"] == compare_data["1"]);
      CHECK(data["2"] == compare_data["2"]);
      CHECK(data["3"] == compare_data["3"]);
      CHECK(data["4"] == compare_data["4"]);
      CHECK(data["5"] == compare_data["5"]);
      CHECK(data["6"] == compare_data["6"]);
      CHECK(data["7"] == compare_data["7"]);
      CHECK(data["8"] == compare_data["8"]);
      CHECK(data["9"] == compare_data["9"]);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_index_value_changed)
    {
      Compare_Data compare_data;
      Data         data;

      data["0"]         = 0;
      compare_data["0"] = 0;

      data["0"]         = 1;
      compare_data["0"] = 1;

      CHECK(data["0"] == compare_data["0"]);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_at)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());
      Data         data(initial_data.begin(), initial_data.end());

      CHECK(data.at("0") == compare_data.at("0"));
      CHECK(data.at("1") == compare_data.at("1"));
      CHECK(data.at("2") == compare_data.at("2"));
      CHECK(data.at("3") == compare_data.at("3"));
      CHECK(data.at("4") == compare_data.at("4"));
      CHECK(data.at("5") == compare_data.at("5"));
      CHECK(data.at("6") == compare_data.at("6"));
      CHECK(data.at("7") == compare_data.at("7"));
      CHECK(data.at("8") == compare_data.at("8"));
      CHECK(data.at("9") == compare_data.at("9"));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_at_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      CMap compare_data(initial_data.begin(), initial_data.end());
      EMap data(initial_data.begin(), initial_data.end());

      CHECK(data.at(Key("0")) == compare_data.at("0"));
      CHECK(data.at(Key("1")) == compare_data.at("1"));
      CHECK(data.at(Key("2")) == compare_data.at("2"));
      CHECK(data.at("3") == compare_data.at("3"));
      CHECK(data.at(Key("4")) == compare_data.at("4"));
      CHECK(data.at(Key("5")) == compare_data.at("5"));
      CHECK(data.at(Key("6")) == compare_data.at("6"));
      CHECK(data.at(Key("7")) == compare_data.at("7"));
      CHECK(data.at(Key("8")) == compare_data.at("8"));
      CHECK(data.at(Key("9")) == compare_data.at("9"));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_at_exception)
    {
      Data data(initial_data.begin(), initial_data.end());
      data.erase("5");

      CHECK_THROW(data.at("-1"), etl::map_out_of_bounds);
      CHECK_THROW(data.at("5"), etl::map_out_of_bounds);
      CHECK_THROW(data.at("10"), etl::map_out_of_bounds);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_at_const)
    {
      const Compare_Data compare_data(initial_data.begin(), initial_data.end());
      const Data         data(initial_data.begin(), initial_data.end());

      CHECK(data.at("0") == compare_data.at("0"));
      CHECK(data.at("1") == compare_data.at("1"));
      CHECK(data.at("2") == compare_data.at("2"));
      CHECK(data.at("3") == compare_data.at("3"));
      CHECK(data.at("4") == compare_data.at("4"));
      CHECK(data.at("5") == compare_data.at("5"));
      CHECK(data.at("6") == compare_data.at("6"));
      CHECK(data.at("7") == compare_data.at("7"));
      CHECK(data.at("8") == compare_data.at("8"));
      CHECK(data.at("9") == compare_data.at("9"));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_at_const_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      const CMap compare_data(initial_data.begin(), initial_data.end());
      const EMap data(initial_data.begin(), initial_data.end());

      CHECK(data.at(Key("0")) == compare_data.at("0"));
      CHECK(data.at(Key("1")) == compare_data.at("1"));
      CHECK(data.at(Key("2")) == compare_data.at("2"));
      CHECK(data.at(Key("3")) == compare_data.at("3"));
      CHECK(data.at(Key("4")) == compare_data.at("4"));
      CHECK(data.at(Key("5")) == compare_data.at("5"));
      CHECK(data.at(Key("6")) == compare_data.at("6"));
      CHECK(data.at(Key("7")) == compare_data.at("7"));
      CHECK(data.at(Key("8")) == compare_data.at("8"));
      CHECK(data.at(Key("9")) == compare_data.at("9"));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_at_const_exception)
    {
      const Data data(initial_data.begin(), initial_data.end());

      CHECK_THROW(data.at("10"), etl::map_out_of_bounds);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_assign_range)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());

      Data data;

      data.assign(compare_data.begin(), compare_data.end());

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_value)
    {
      Compare_Data compare_data;
      Data         data;

      ETL_OR_STD::pair<Data::iterator, bool>         data_result    = data.insert(Data::value_type(std::string("0"), 0));
      ETL_OR_STD::pair<Compare_Data::iterator, bool> compare_result = compare_data.insert(ETL_OR_STD::make_pair(std::string("0"), 0));

      // Check that both return successful return results
      CHECK(data_result.first->first == compare_result.first->first);
      CHECK(data_result.second == compare_result.second);

      // Try adding a duplicate (should return iterator pointing to duplicate)
      data_result    = data.insert(Data::value_type(std::string("0"), 0));
      compare_result = compare_data.insert(ETL_OR_STD::make_pair(std::string("0"), 0));

      // Check that both return successful return results
      CHECK(data_result.first->first == compare_result.first->first);
      CHECK(data_result.second == compare_result.second);

      // Check that elements in map are the same
      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());
      CHECK(isEqual);

      data.insert(ETL_OR_STD::make_pair(std::string("2"), 2));
      compare_data.insert(ETL_OR_STD::make_pair(std::string("2"), 2));

      isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      data.insert(ETL_OR_STD::make_pair(std::string("1"), 1));
      compare_data.insert(ETL_OR_STD::make_pair(std::string("1"), 1));

      isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_value2)
    {
      Compare_Data compare_data;
      Data         data;

      data.insert(Data::value_type(std::string("0"), 0));
      compare_data.insert(ETL_OR_STD::make_pair(std::string("0"), 0));

      data.insert(Data::value_type(std::string("1"), 1));
      compare_data.insert(ETL_OR_STD::make_pair(std::string("1"), 1));

      data.insert(Data::value_type(std::string("-1"), -1));
      compare_data.insert(ETL_OR_STD::make_pair(std::string("-1"), -1));

      // Check that elements in map are the same
      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());
      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_moved_value)
    {
      DataM data;

      ItemM d1(1);
      ItemM d2(2);
      ItemM d3(3);

      data.insert(DataM::value_type(std::string("1"), etl::move(d1)));
      data.insert(DataM::value_type(std::string("2"), etl::move(d2)));
      data.insert(DataM::value_type(std::string("3"), etl::move(d3)));
      data.insert(DataM::value_type(std::string("4"), ItemM(4)));

      CHECK(!bool(d1));
      CHECK(!bool(d2));
      CHECK(!bool(d3));

      CHECK(1 == data.at("1").value);
      CHECK(2 == data.at("2").value);
      CHECK(3 == data.at("3").value);
      CHECK(4 == data.at("4").value);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_value_changed)
    {
      Compare_Data compare_data;
      Data         data;

      data.insert(Data::value_type(std::string("0"), 0));
      compare_data.insert(ETL_OR_STD::make_pair(std::string("0"), 0));

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      data.insert(ETL_OR_STD::make_pair(std::string("0"), 1));
      compare_data.insert(ETL_OR_STD::make_pair(std::string("0"), 1));

      isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_hint_value)
    {
      Compare_Data compare_data;
      Data         data;

      ETL_OR_STD::pair<Data::iterator, bool>         data_result    = data.insert(Data::value_type(std::string("2"), 2));
      ETL_OR_STD::pair<Compare_Data::iterator, bool> compare_result = compare_data.insert(ETL_OR_STD::make_pair(std::string("2"), 2));

      // Check that both return successful return results
      CHECK(data_result.first->first == compare_result.first->first);
      CHECK(data_result.second == compare_result.second);

      // Check that elements in map are the same
      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());
      CHECK(isEqual);

      data.insert(data_result.first, ETL_OR_STD::make_pair(std::string("1"), 1));
      compare_data.insert(compare_result.first, ETL_OR_STD::make_pair(std::string("1"), 1));

      isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_const_hint_value)
    {
      Compare_Data compare_data;
      Data         data;

      ETL_OR_STD::pair<Data::iterator, bool>         data_result    = data.insert(Data::value_type(std::string("2"), 2));
      ETL_OR_STD::pair<Compare_Data::iterator, bool> compare_result = compare_data.insert(ETL_OR_STD::make_pair(std::string("2"), 2));

      // Check that both return successful return results
      CHECK(data_result.first->first == compare_result.first->first);
      CHECK(data_result.second == compare_result.second);

      // Check that elements in map are the same
      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());
      CHECK(isEqual);

      data.insert(Data::const_iterator(data_result.first), ETL_OR_STD::make_pair(std::string("1"), 1));
      compare_data.insert(Compare_Data::const_iterator(compare_result.first), ETL_OR_STD::make_pair(std::string("1"), 1));

      isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_value_excess)
    {
      Data data(initial_data.begin(), initial_data.end());

      CHECK_THROW(data.insert(ETL_OR_STD::make_pair(std::string("10"), 10)), etl::map_full);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_range)
    {
      Compare_Data compare_data;
      Data         data;

      data.insert(initial_data.begin(), initial_data.end());
      compare_data.insert(initial_data.begin(), initial_data.end());

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_range_random)
    {
      Compare_Data compare_data;
      Data         data;

      data.insert(random_data.begin(), random_data.end());
      compare_data.insert(random_data.begin(), random_data.end());

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_range_excess)
    {
      Data data;

      CHECK_THROW(data.insert(excess_data.begin(), excess_data.end()), etl::map_full);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_emplace_value)
    {
      Compare_Data compare_data;
      Data         data;

      ETL_OR_STD::pair<Data::iterator, bool> data_result = data.emplace(std::string("0"), 0);
      compare_data.insert(ETL_OR_STD::make_pair(std::string("0"), 0));

      // Check that the insertion was successful
      CHECK(data_result.first->first == std::string("0"));
      CHECK(data_result.first->second == 0);
      CHECK(data_result.second == true);

      // Try adding a duplicate (should return iterator pointing to duplicate, inserted = false)
      data_result = data.emplace(std::string("0"), 1);

      CHECK(data_result.first->first == std::string("0"));
      CHECK(data_result.first->second == 0);
      CHECK(data_result.second == false);

      // Add more elements
      data.emplace(std::string("2"), 2);
      compare_data.insert(ETL_OR_STD::make_pair(std::string("2"), 2));

      data.emplace(std::string("1"), 1);
      compare_data.insert(ETL_OR_STD::make_pair(std::string("1"), 1));

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_emplace_value_from_pair)
    {
      Compare_Data compare_data;
      Data         data;

      Data::value_type pair0(std::string("0"), 0);
      Data::value_type pair1(std::string("1"), 1);
      Data::value_type pair2(std::string("2"), 2);

      data.emplace(pair0);
      compare_data.insert(pair0);

      data.emplace(pair1);
      compare_data.insert(pair1);

      data.emplace(pair2);
      compare_data.insert(pair2);

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_emplace_moved_value)
    {
      DataM data;

      ItemM d1(1);
      ItemM d2(2);
      ItemM d3(3);

      data.emplace(std::string("1"), etl::move(d1));
      data.emplace(std::string("2"), etl::move(d2));
      data.emplace(std::string("3"), etl::move(d3));
      data.emplace(std::string("4"), ItemM(4));

      CHECK(!bool(d1));
      CHECK(!bool(d2));
      CHECK(!bool(d3));

      CHECK(1 == data.at("1").value);
      CHECK(2 == data.at("2").value);
      CHECK(3 == data.at("3").value);
      CHECK(4 == data.at("4").value);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_emplace_excess)
    {
      Data data(initial_data.begin(), initial_data.end());

      CHECK_THROW(data.emplace(std::string("10"), 10), etl::map_full);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_try_emplace_value)
    {
      Data data;

      ETL_OR_STD::pair<Data::iterator, bool> result1 = data.try_emplace(std::string("0"), 0);
      CHECK(result1.first->first == std::string("0"));
      CHECK(result1.first->second == 0);
      CHECK(result1.second == true);

      // Try adding a duplicate (should not construct value, return existing)
      ETL_OR_STD::pair<Data::iterator, bool> result2 = data.try_emplace(std::string("0"), 99);
      CHECK(result2.first->first == std::string("0"));
      CHECK(result2.first->second == 0);
      CHECK(result2.second == false);

      CHECK_EQUAL(1U, data.size());
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_try_emplace_moved_value)
    {
      DataM data;

      ItemM d1(1);
      ItemM d2(2);

      data.try_emplace(std::string("1"), etl::move(d1));
      CHECK(!bool(d1));
      CHECK(1 == data.at("1").value);

      // Duplicate key: d2 should NOT be moved from
      data.try_emplace(std::string("1"), etl::move(d2));
      CHECK(bool(d2));
      CHECK(1 == data.at("1").value);
      CHECK_EQUAL(1U, data.size());
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_try_emplace_rvalue_key)
    {
      DataM data;

      std::string key1("1");
      std::string key2("2");
      std::string key1_dup("1");

      auto result1 = data.try_emplace(etl::move(key1), ItemM(1));
      CHECK(result1.second == true);
      CHECK(key1.empty()); // key was moved from
      CHECK(1 == data.at("1").value);

      auto result2 = data.try_emplace(etl::move(key2), ItemM(2));
      CHECK(result2.second == true);
      CHECK(key2.empty()); // key was moved from
      CHECK(2 == data.at("2").value);

      // Duplicate key: key should NOT be moved from
      auto result3 = data.try_emplace(etl::move(key1_dup), ItemM(99));
      CHECK(result3.second == false);
      CHECK(!key1_dup.empty()); // key was NOT moved
      CHECK(1 == data.at("1").value);
      CHECK_EQUAL(2U, data.size());
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, 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_FIXTURE(SetupFixture, test_equal_range_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, 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_FIXTURE(SetupFixture, test_const_equal_range)
    {
      const Compare_Data compare_data(initial_data.begin(), initial_data.end());
      const Data         data(initial_data.begin(), initial_data.end());

      ETL_OR_STD::pair<Data::const_iterator, Data::const_iterator>                 data_result    = data.equal_range("2");
      ETL_OR_STD::pair<Compare_Data::const_iterator, Compare_Data::const_iterator> compare_result = compare_data.equal_range("2");

      // Check that both return the same return results
      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_FIXTURE(SetupFixture, test_const_equal_range_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      const CMap compare_data(random_data.begin(), random_data.end());
      const EMap data(random_data.begin(), random_data.end());

      ETL_OR_STD::pair<EMap::const_iterator, EMap::const_iterator> data_result     = data.equal_range(Key("2"));
      EMap::const_iterator                                         data_lb         = data.lower_bound("2");
      ETL_OR_STD::pair<CMap::const_iterator, CMap::const_iterator> compare_result  = compare_data.equal_range("2");
      CMap::const_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_FIXTURE(SetupFixture, test_erase_value)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());
      Data         data(initial_data.begin(), initial_data.end());

      compare_data.erase("5");
      data.erase("5");

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_erase_value_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      CMap compare_data(initial_data.begin(), initial_data.end());
      EMap data(initial_data.begin(), initial_data.end());

      compare_data.erase("5");
      data.erase(Key("5"));

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_erase_single)
    {
      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.begin();
      Data::iterator         i_data    = data.begin();

      std::advance(i_compare, 2);
      std::advance(i_data, 2);

      Compare_Data::iterator i_compare1 = compare_data.erase(i_compare);
      Data::iterator         i_data1    = data.erase(i_data);

      CHECK(i_compare1->second == i_data1->second);

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_const_erase_single)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());
      Data         data(initial_data.begin(), initial_data.end());

      Compare_Data::const_iterator i_compare = compare_data.cbegin();
      Data::const_iterator         i_data    = data.cbegin();

      std::advance(i_compare, 2);
      std::advance(i_data, 2);

      Compare_Data::const_iterator i_compare1 = compare_data.erase(i_compare);
      Data::const_iterator         i_data1    = data.erase(i_data);

      CHECK(i_compare1->second == i_data1->second);

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());

      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_erase_range)
    {
      Compare_Data compare_data(random_data.begin(), random_data.end());
      Data         data(random_data.begin(), random_data.end());

      Compare_Data::iterator i_compare = compare_data.begin();
      Data::iterator         i_data    = data.begin();

      Compare_Data::iterator i_compare_end = compare_data.begin();
      Data::iterator         i_data_end    = data.begin();

      std::advance(i_compare, 2);
      std::advance(i_data, 2);

      std::advance(i_compare_end, 4);
      std::advance(i_data_end, 4);

      compare_data.erase(i_compare, i_compare_end);
      data.erase(i_data, i_data_end);

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());
      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_const_erase_range)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());
      Data         data(initial_data.begin(), initial_data.end());

      Compare_Data::const_iterator i_compare = compare_data.cbegin();
      Data::const_iterator         i_data    = data.cbegin();

      Compare_Data::const_iterator i_compare_end = compare_data.cbegin();
      Data::const_iterator         i_data_end    = data.cbegin();

      std::advance(i_compare, 2);
      std::advance(i_data, 2);

      std::advance(i_compare_end, 6);
      std::advance(i_data_end, 6);

      compare_data.erase(i_compare, i_compare_end);
      data.erase(i_data, i_data_end);

      bool isEqual = Check_Equal(data.begin(), data.end(), compare_data.begin());
      CHECK(isEqual);

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_clear)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());

      Data data(compare_data.begin(), compare_data.end());
      data.clear();

      CHECK(data.size() == 0UL);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_count)
    {
      const Data data(initial_data.begin(), initial_data.end());

      CHECK(data.count("3") == 1UL);

      CHECK(data.count("A") == 0UL);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_count_using_transparent_comparator)
    {
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      const EMap data(initial_data.begin(), initial_data.end());

      CHECK(data.count(Key("3")) == 1UL);

      CHECK(data.count(Key("A")) == 0UL);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, 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_FIXTURE(SetupFixture, 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_FIXTURE(SetupFixture, test_reverse_iterator)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());

      Data data(compare_data.begin(), compare_data.end());

      bool isEqual = Check_Equal(data.rbegin(), data.rend(), compare_data.rbegin());

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_const_reverse_iterator)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());

      Data data(compare_data.begin(), compare_data.end());

      bool isEqual = Check_Equal(data.crbegin(), data.crend(), compare_data.crbegin());

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find)
    {
      Data data(initial_data.begin(), initial_data.end());

      Data::iterator it = data.find("3");
      CHECK(data.end() != it && 3 == it->second);

      it = data.find("A");
      CHECK(data.end() == it);

      it = data.find("!");
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_using_transparent_comparator)
    {
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      EMap data(initial_data.begin(), initial_data.end());

      EMap::iterator it = data.find(Key("3"));
      CHECK(data.end() != it && 3 == it->second);

      it = data.find(Key("A"));
      CHECK(data.end() == it);

      it = data.find(Key("!"));
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_const)
    {
      const Data data(initial_data.begin(), initial_data.end());

      Data::const_iterator it = data.find("3");
      CHECK(data.end() != it && 3 == it->second);

      it = data.find("A");
      CHECK(data.end() == it);

      it = data.find("!");
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_const_using_transparent_comparator)
    {
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      const EMap data(initial_data.begin(), initial_data.end());

      EMap::const_iterator it = data.find(Key("3"));
      CHECK(data.end() != it && 3 == it->second);

      it = data.find(Key("A"));
      CHECK(data.end() == it);

      it = data.find(Key("!"));
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, 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_FIXTURE(SetupFixture, 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_FIXTURE(SetupFixture, 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("A");
      i_data    = data.lower_bound("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("A");
      CHECK(compare_data.end() == i_compare);

      i_data = data.lower_bound("A");
      CHECK(data.end() == i_data);
#endif
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_lower_bound_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, 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("A");
      CHECK(compare_data.end() == i_compare);

      i_data = data.lower_bound(Key("A"));
      CHECK(data.end() == i_data);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_lower_bound_const)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());
      const Data   data(initial_data.begin(), initial_data.end());

      Compare_Data::const_iterator i_compare = compare_data.lower_bound("4");
      Data::const_iterator         i_data    = data.lower_bound("4");
      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("A");
      i_data    = data.lower_bound("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("A");
      CHECK(compare_data.end() == i_compare);

      i_data = data.lower_bound("A");
      CHECK(data.end() == i_data);
#endif
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_lower_bound_const_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      const CMap compare_data(initial_data.begin(), initial_data.end());
      const EMap data(initial_data.begin(), initial_data.end());

      CMap::const_iterator i_compare = compare_data.lower_bound("8");
      EMap::const_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("A");
      CHECK(compare_data.end() == i_compare);

      i_data = data.lower_bound(Key("A"));
      CHECK(data.end() == i_data);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, 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("A");
      i_data    = data.upper_bound("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("A");
      CHECK(compare_data.end() == i_compare);

      i_data = data.upper_bound("A");
      CHECK(data.end() == i_data);
#endif
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_upper_bound_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, 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("A");
      CHECK(compare_data.end() == i_compare);

      i_data = data.upper_bound(Key("A"));
      CHECK(data.end() == i_data);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_upper_bound_const)
    {
      Compare_Data compare_data(initial_data.begin(), initial_data.end());
      const Data   data(initial_data.begin(), initial_data.end());

      Compare_Data::const_iterator i_compare = compare_data.upper_bound("7");
      Data::const_iterator         i_data    = data.upper_bound("7");
      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("A");
      i_data    = data.upper_bound("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("A");
      CHECK(compare_data.end() == i_compare);

      i_data = data.upper_bound("A");
      CHECK(data.end() == i_data);
#endif
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_upper_bound_const_using_transparent_comparator)
    {
      using CMap = std::map<std::string, int, std::less<std::string>>;
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;

      const CMap compare_data(initial_data.begin(), initial_data.end());
      const EMap data(initial_data.begin(), initial_data.end());

      CMap::const_iterator i_compare = compare_data.upper_bound("2");
      EMap::const_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("A");
      CHECK(compare_data.end() == i_compare);

      i_data = data.upper_bound(Key("A"));
      CHECK(data.end() == i_data);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_key_compare)
    {
      const Data data(initial_data.begin(), initial_data.end());

      Data::key_compare compare = data.key_comp();

      Data::key_type a("A");
      Data::key_type b("B");

#ifdef TEST_GREATER_THAN
      CHECK(!compare(a, b));
      CHECK(compare(b, a));
#else
      CHECK(compare(a, b));
      CHECK(!compare(b, a));
#endif
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_key_compare_using_transparent_comparator)
    {
      using EMap = etl::map<std::string, int, MAX_SIZE, etl::less<>>;
      const EMap data(initial_data.begin(), initial_data.end());

      EMap::key_compare compare = data.key_comp();

      std::string a("A");
      Key         b("B");

      CHECK(compare(a, b));
      CHECK(!compare(b, a));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_value_compare)
    {
      const Data data(initial_data.begin(), initial_data.end());

      Data::value_compare compare = data.value_comp();

      Data::value_type a(std::string("A"), 0);
      Data::value_type b(std::string("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_FIXTURE(SetupFixture, 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<std::string, int> > tab(test_data.begin(), test_data.end());

      // make sure both data and compare contain same elements
      std::vector<ETL_OR_STD::pair<std::string, int> > data_elements(data.begin(), data.end());
      std::vector<ETL_OR_STD::pair<std::string, 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<std::string, int> >::iterator it = tab.begin(); it != tab.end(); ++it)
      {
        std::string 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_FIXTURE(SetupFixture, test_map_template_deduction)
    {
      using Pair = std::pair<const std::string, int>;

  #include "etl/private/diagnostic_null_dereference_push.h"
      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"));
  #include "etl/private/diagnostic_pop.h"

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }
#endif

    //*************************************************************************
#if ETL_HAS_INITIALIZER_LIST
    TEST_FIXTURE(SetupFixture, test_make_map)
    {
      using Pair = ETL_OR_STD::pair<const std::string, int>;

  #include "etl/private/diagnostic_null_dereference_push.h"
      auto data = etl::make_map<const std::string, int, std::less<std::string>>(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<Pair, Type>::value));

      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"));
  #include "etl/private/diagnostic_pop.h"

      CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
    }
#endif

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_contains)
    {
      Data data(initial_data.begin(), initial_data.end());

      CHECK(data.contains(std::string("1")));
      CHECK(!data.contains(std::string("99")));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_contains_with_transparent_comparator)
    {
      etl::map<std::string, int, MAX_SIZE, etl::less<>> data(initial_data.begin(), initial_data.end());

      CHECK(data.contains(std::string("1")));
      CHECK(data.contains(Key("1")));

      CHECK(!data.contains(std::string("99")));
      CHECK(!data.contains(Key("99")));
    }

    //*************************************************************************
    TEST(test_if_issue_1298_multiset_iterator_invalidation_during_erase_is_also_in_map)
    {
      using element = std::pair<int, int>;

      std::vector<element>       permutation{{1, 11}, {2, 12}, {3, 13}, {4, 14}};
      const std::vector<element> expected{{1, 11}, {3, 13}, {4, 14}};

      do {
        etl::map<int, int, 8> data;

        for (auto i : permutation)
        {
          data.insert(i);
        }

        auto it = data.find(2);
        data.erase(it);

        const std::vector<element> actual(data.begin(), data.end());

        CHECK_TRUE(std::is_sorted(data.begin(), data.end(), data.value_comp()));
        CHECK_EQUAL(expected.size(), actual.size());
        CHECK_TRUE(actual == expected);

      } while (std::next_permutation(permutation.begin(), permutation.end()));
    }
  }
} // namespace