fsfw/contrib/fsfw_contrib/etl-20.39.4/test/test_reference_flat_multiset.cpp

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

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

Copyright(c) 2015 John Wellbelove

Permission is hereby granted, free of charge, to any person obtaining a copy
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******************************************************************************/

#include "unit_test_framework.h"

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

#include "data.h"

#include "etl/reference_flat_multiset.h"

namespace
{
  static const size_t SIZE = 10UL;

  typedef TestDataDC<std::string>  DC;
  typedef TestDataNDC<std::string> NDC;

  typedef etl::reference_flat_multiset<DC, SIZE>  DataDC;
  typedef etl::reference_flat_multiset<NDC, SIZE> DataNDC;
  typedef etl::ireference_flat_multiset<NDC>      IDataNDC;

  typedef std::multiset<DC>  Compare_DataDC;
  typedef std::multiset<NDC> Compare_DataNDC;

  NDC NX = NDC("@");
  NDC NY = NDC("[");

  NDC N0 = NDC("A");
  NDC N1 = NDC("B");
  NDC N2 = NDC("C");
  NDC N3 = NDC("D");
  NDC N4 = NDC("E");
  NDC N5 = NDC("F");
  NDC N6 = NDC("G");
  NDC N7 = NDC("H");
  NDC N8 = NDC("I");
  NDC N9 = NDC("J");
  NDC N10 = NDC("K");
  NDC N11 = NDC("L");
  NDC N12 = NDC("M");
  NDC N13 = NDC("N");
  NDC N14 = NDC("O");
  NDC N15 = NDC("P");
  NDC N16 = NDC("Q");
  NDC N17 = NDC("R");
  NDC N18 = NDC("S");
  NDC N19 = NDC("T");

  std::vector<NDC> initial_data;
  std::vector<NDC> excess_data;
  std::vector<NDC> different_data;
  std::vector<NDC> multi_data;

  struct Key
  {
    Key(NDC k_)
      : k(k_)
    {
    }

    NDC k;
  };

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

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

  SUITE(test_flat_multiset)
  {
    //*************************************************************************
    struct SetupFixture
    {
      SetupFixture()
      {
        NDC n[] =
        {
          N0, N1, N2, N3, N4, N5, N6, N7, N8, N9
        };

        NDC n2[] =
        {
          N0, N1, N2, N3, N4, N5, N6, N7, N8, N9, N10
        };

        NDC n3[] =
        {
          N10, N11, N12, N13, N14, N15, N16, N17, N18, N19
        };

        NDC n4[] =
        {
          N0, N0, N1, N2, N3, N1, N3, N3, N4, N2
        };

        initial_data.assign(std::begin(n), std::end(n));
        excess_data.assign(std::begin(n2), std::end(n2));
        different_data.assign(std::begin(n3), std::end(n3));
        multi_data.assign(std::begin(n4), std::end(n4));
      }
    };

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

      CHECK_EQUAL(data.size(), 0UL);
      CHECK(data.empty());
      CHECK_EQUAL(data.capacity(), SIZE);
      CHECK_EQUAL(data.max_size(), SIZE);
    }

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

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

      CHECK(data.size() == SIZE);
      CHECK(!data.empty());
    }

    //*************************************************************************
    TEST(test_destruct_via_ireference_flat_multiset)
    {
      int current_count = NDC::get_instance_count();

      DataNDC* pdata = new DataNDC(initial_data.begin(), initial_data.end());

      IDataNDC* pidata = pdata;
      delete pidata;

      CHECK_EQUAL(current_count, NDC::get_instance_count());
    }

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

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

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

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

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

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

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

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

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

      DataNDC data;

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

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

      CHECK(isEqual);

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

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_value)
    {
      Compare_DataNDC compare_data;
      DataNDC data;

      data.insert(N0);
      compare_data.insert(N0);

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

      CHECK(isEqual);

      data.insert(N2);
      compare_data.insert(N2);

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

      CHECK(isEqual);

      data.insert(N1);
      compare_data.insert(N1);

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

      CHECK(isEqual);

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

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_value_multiple)
    {
      Compare_DataNDC compare_data;
      DataNDC data;

      data.insert(N0);
      compare_data.insert(N0);

      data.insert(N1);
      compare_data.insert(N1);

      data.insert(N2);
      compare_data.insert(N2);

      // Do it again.
      data.insert(N0);
      compare_data.insert(N0);

      data.insert(N1);
      compare_data.insert(N1);

      data.insert(N2);
      compare_data.insert(N2);

      CHECK_EQUAL(compare_data.size(), data.size());

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

      CHECK(isEqual);

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

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

      CHECK_THROW(data.insert(N10), etl::flat_multiset_full);

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

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_insert_range)
    {
      Compare_DataNDC compare_data;
      DataNDC data;

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

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

      CHECK(isEqual);

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

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

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

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

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_erase_key)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());
      DataNDC data(initial_data.begin(), initial_data.end());

      size_t count_compare = compare_data.erase(N5);
      size_t count         = data.erase(N5);

      CHECK_EQUAL(count_compare, count);

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

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_erase_key_using_transparent_comparator)
    {
      using CSet = std::set<NDC>;
      CSet compare_data(initial_data.begin(), initial_data.end());

      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      ESet data(initial_data.begin(), initial_data.end());

      size_t count_compare = compare_data.erase(N5);
      size_t count = data.erase(Key(N5));

      CHECK_EQUAL(count_compare, count);

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

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_erase_single_iterator)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());
      DataNDC data(initial_data.begin(), initial_data.end());

      Compare_DataNDC::iterator i_compare_begin = compare_data.begin();
      DataNDC::iterator         i_data_begin    = data.begin();

      Compare_DataNDC::iterator i_compare = i_compare_begin;
      DataNDC::iterator         i_data    = i_data_begin;

      Compare_DataNDC::iterator i_compare_expected = i_compare_begin;
      DataNDC::iterator         i_data_expected    = i_data_begin;

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

      std::advance(i_compare_expected, 3);
      std::advance(i_data_expected, 3);

      NDC compare_expected = *i_compare_expected;
      NDC data_expected    = *i_data_expected;

      Compare_DataNDC::iterator i_compare_result = compare_data.erase(i_compare);
      DataNDC::iterator         i_data_result    = data.erase(i_data);

      CHECK(compare_expected == *i_compare_result);
      CHECK(data_expected    == *i_data_result);

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

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_erase_single_const_iterator)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());
      DataNDC data(initial_data.begin(), initial_data.end());

      Compare_DataNDC::iterator i_compare_begin = compare_data.begin();
      DataNDC::iterator         i_data_begin    = data.begin();

      Compare_DataNDC::const_iterator i_compare = i_compare_begin;
      DataNDC::const_iterator         i_data    = i_data_begin;

      Compare_DataNDC::iterator i_compare_expected = i_compare_begin;
      DataNDC::iterator         i_data_expected    = i_data_begin;

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

      std::advance(i_compare_expected, 3);
      std::advance(i_data_expected, 3);

      NDC compare_expected = *i_compare_expected;
      NDC data_expected    = *i_data_expected;

      Compare_DataNDC::iterator i_compare_result = compare_data.erase(i_compare);
      DataNDC::iterator         i_data_result    = data.erase(i_data);

      CHECK(compare_expected == *i_compare_result);
      CHECK(data_expected    == *i_data_result);

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

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_erase_range)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());
      DataNDC data(initial_data.begin(), initial_data.end());

      Compare_DataNDC::const_iterator i_compare = compare_data.begin();
      DataNDC::const_iterator         i_data    = data.begin();

      Compare_DataNDC::const_iterator i_compare_end = compare_data.begin();
      DataNDC::const_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);

      NDC compare_expected = *i_compare_end;
      NDC data_expected    = *i_data_end;

      Compare_DataNDC::iterator i_compare_result = compare_data.erase(i_compare, i_compare_end);
      DataNDC::iterator         i_data_result    = data.erase(i_data, i_data_end);

      CHECK(compare_expected == *i_compare_result);
      CHECK(data_expected    == *i_data_result);

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

      CHECK(isEqual);
    }

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

      DataNDC data(initial_data.begin(), initial_data.end());
      data.clear();

      CHECK_EQUAL(data.size(), 0UL);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_iterator)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());

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

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

      CHECK(isEqual);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_const_iterator)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());

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

      bool isEqual = std::equal(data.cbegin(),
                                data.cend(),
                                compare_data.cbegin());

      CHECK(isEqual);
    }

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

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

      bool isEqual = std::equal(data.rbegin(),
                                data.rend(),
                                compare_data.rbegin());

      CHECK(isEqual);
    }

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

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

      bool isEqual = std::equal(data.crbegin(),
                                data.crend(),
                                compare_data.crbegin());

      CHECK(isEqual);
    }

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

      DataNDC::iterator it = data.find(N3);
      CHECK_EQUAL(N3, *it);

      it = data.find(N19);
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_using_transparent_comparator)
    {
      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      ESet data(initial_data.begin(), initial_data.end());

      ESet::iterator it = data.find(Key(N3));
      CHECK_EQUAL(N3, *it);

      it = data.find(N19);
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_not_present)
    {
      DataNDC data(initial_data.begin(), initial_data.end());

      DataNDC::iterator it = data.find(NX);
      CHECK(data.end() == it);

      it = data.find(NY);
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_not_present_using_transparent_comparator)
    {
      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      ESet data(initial_data.begin(), initial_data.end());

      ESet::iterator it = data.find(Key(NX));
      CHECK(data.end() == it);

      it = data.find(NY);
      CHECK(data.end() == it);
    }

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

      DataNDC::const_iterator it = data.find(N3);
      CHECK_EQUAL(N3, *it);

      it = data.find(N19);
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_const_using_transparent_comparator)
    {
      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      const ESet data(initial_data.begin(), initial_data.end());

      ESet::const_iterator it = data.find(N3);
      CHECK_EQUAL(N3, *it);

      it = data.find(N19);
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_const_not_present)
    {
      const DataNDC data(initial_data.begin(), initial_data.end());

      DataNDC::const_iterator it = data.find(NX);
      CHECK(data.end() == it);

      it = data.find(NY);
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_find_const_not_present_using_transparent_comparator)
    {
      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      const ESet data(initial_data.begin(), initial_data.end());

      ESet::const_iterator it = data.find(Key(NX));
      CHECK(data.end() == it);

      it = data.find(NY);
      CHECK(data.end() == it);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_lower_bound)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());
      DataNDC data(initial_data.begin(), initial_data.end());

      Compare_DataNDC::iterator i_compare = compare_data.lower_bound(N5);
      DataNDC::iterator         i_data    = data.lower_bound(N5);

      CHECK_EQUAL(std::distance(compare_data.begin(), i_compare), std::distance(data.begin(), i_data));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_lower_bound_using_transparent_comparator)
    {
      using CSet = std::set<NDC>;
      CSet compare_data(initial_data.begin(), initial_data.end());

      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      ESet data(initial_data.begin(), initial_data.end());

      CSet::iterator i_compare = compare_data.lower_bound(N5);
      ESet::iterator i_data    = data.lower_bound(Key(N5));

      CHECK_EQUAL(std::distance(compare_data.begin(), i_compare), std::distance(data.begin(), i_data));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_upper_bound)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());
      DataNDC data(initial_data.begin(), initial_data.end());

      Compare_DataNDC::iterator i_compare = compare_data.upper_bound(N5);
      DataNDC::iterator         i_data    = data.upper_bound(N5);

      CHECK_EQUAL(std::distance(compare_data.begin(), i_compare), std::distance(data.begin(), i_data));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_upper_bound_using_transparent_comparator)
    {
      using CSet = std::set<NDC>;
      CSet compare_data(initial_data.begin(), initial_data.end());

      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      ESet data(initial_data.begin(), initial_data.end());

      CSet::iterator i_compare = compare_data.upper_bound(N5);
      ESet::iterator i_data    = data.upper_bound(Key(N5));

      CHECK_EQUAL(std::distance(compare_data.begin(), i_compare), std::distance(data.begin(), i_data));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_equal_range)
    {
      Compare_DataNDC compare_data(initial_data.begin(), initial_data.end());
      DataNDC data(initial_data.begin(), initial_data.end());

      ETL_OR_STD::pair<Compare_DataNDC::iterator, Compare_DataNDC::iterator> i_compare = compare_data.equal_range(N5);
      ETL_OR_STD::pair<DataNDC::iterator, DataNDC::iterator> i_data = data.equal_range(N5);

      CHECK_EQUAL(std::distance(compare_data.begin(), i_compare.first),  std::distance(data.begin(), i_data.first));
      CHECK_EQUAL(std::distance(compare_data.begin(), i_compare.second), std::distance(data.begin(), i_data.second));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_equal_range_using_transparent_comparator)
    {
      using CSet = std::set<NDC>;
      CSet compare_data(initial_data.begin(), initial_data.end());

      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      ESet data(initial_data.begin(), initial_data.end());

      ETL_OR_STD::pair<CSet::iterator, CSet::iterator> i_compare = compare_data.equal_range(N5);
      ETL_OR_STD::pair<ESet::iterator, ESet::iterator> i_data = data.equal_range(Key(N5));

      CHECK_EQUAL(std::distance(compare_data.begin(), i_compare.first), std::distance(data.begin(), i_data.first));
      CHECK_EQUAL(std::distance(compare_data.begin(), i_compare.second), std::distance(data.begin(), i_data.second));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_equal_range_not_present)
    {
      DataNDC data(initial_data.begin(), initial_data.end());

      ETL_OR_STD::pair<DataNDC::iterator, DataNDC::iterator> i_data;

      i_data = data.equal_range(NX);
      CHECK(data.begin() == i_data.first);
      CHECK(data.begin() == i_data.second);

      i_data = data.equal_range(NY);
      CHECK(data.end() == i_data.first);
      CHECK(data.end() == i_data.second);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_equal_range_not_present_using_transparent_comparator)
    {
      using ESet = etl::reference_flat_multiset<NDC, SIZE, etl::less<>>;
      ESet data(initial_data.begin(), initial_data.end());

      ETL_OR_STD::pair<ESet::iterator, ESet::iterator> i_data;

      i_data = data.equal_range(Key(NX));
      CHECK(data.begin() == i_data.first);
      CHECK(data.begin() == i_data.second);

      i_data = data.equal_range(Key(NY));
      CHECK(data.end() == i_data.first);
      CHECK(data.end() == i_data.second);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_equal)
    {
      const DataNDC initial1(initial_data.begin(), initial_data.end());
      const DataNDC initial2(initial_data.begin(), initial_data.end());

      CHECK(initial1 == initial2);

      const DataNDC different(different_data.begin(), different_data.end());

      CHECK(!(initial1 == different));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_not_equal)
    {
      const DataNDC initial1(initial_data.begin(), initial_data.end());
      const DataNDC initial2(initial_data.begin(), initial_data.end());

      CHECK(!(initial1 != initial2));

      const DataNDC different(different_data.begin(), different_data.end());

      CHECK(initial1 != different);
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_multi)
    {
      Compare_DataNDC compare_data(multi_data.begin(), multi_data.end());
      DataNDC data(multi_data.begin(), multi_data.end());

      ETL_OR_STD::pair<Compare_DataNDC::iterator, Compare_DataNDC::iterator> compare_range;
      ETL_OR_STD::pair<DataNDC::iterator, DataNDC::iterator> test_range;

      compare_range = compare_data.equal_range(N0);
      test_range = data.equal_range(N0);
      CHECK_EQUAL(std::distance(compare_range.first, compare_range.second), std::distance(test_range.first, test_range.second));

      compare_range = compare_data.equal_range(N1);
      test_range = data.equal_range(N1);
      CHECK_EQUAL(std::distance(compare_range.first, compare_range.second), std::distance(test_range.first, test_range.second));

      compare_range = compare_data.equal_range(N2);
      test_range = data.equal_range(N2);
      CHECK_EQUAL(std::distance(compare_range.first, compare_range.second), std::distance(test_range.first, test_range.second));

      compare_range = compare_data.equal_range(N3);
      test_range = data.equal_range(N3);
      CHECK_EQUAL(std::distance(compare_range.first, compare_range.second), std::distance(test_range.first, test_range.second));

      compare_range = compare_data.equal_range(N4);
      test_range = data.equal_range(N4);
      CHECK_EQUAL(std::distance(compare_range.first, compare_range.second), std::distance(test_range.first, test_range.second));
    }

    //*************************************************************************
    TEST_FIXTURE(SetupFixture, test_count)
    {
      Compare_DataNDC compare_data(multi_data.begin(), multi_data.end());
      DataNDC data(multi_data.begin(), multi_data.end());

      CHECK_EQUAL(compare_data.count(N0), data.count(N0));
      CHECK_EQUAL(compare_data.count(N1), data.count(N1));
      CHECK_EQUAL(compare_data.count(N2), data.count(N2));
      CHECK_EQUAL(compare_data.count(N3), data.count(N3));
      CHECK_EQUAL(compare_data.count(N4), data.count(N4));
    }
  };
}