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530 lines
15 KiB
C++
530 lines
15 KiB
C++
/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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http://www.etlcpp.com
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Copyright(c) 2016 jwellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#include "UnitTest++.h"
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#include <set>
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#include <array>
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#include <algorithm>
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#include <utility>
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#include <iterator>
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#include <string>
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#include <vector>
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#include <numeric>
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#include "data.h"
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#include "unordered_multiset.h"
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#include "checksum.h"
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namespace
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{
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SUITE(test_unordered_multiset)
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{
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static const size_t SIZE = 10;
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typedef TestDataDC<std::string> DC;
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typedef TestDataNDC<std::string> NDC;
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struct simple_hash
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{
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size_t operator ()(const NDC& value) const
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{
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return etl::checksum<size_t>(value.value.begin(), value.value.end());
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}
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};
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typedef etl::unordered_multiset<DC, SIZE, SIZE / 2, simple_hash> DataDC;
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typedef etl::unordered_multiset<NDC, SIZE, SIZE / 2, simple_hash> DataNDC;
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typedef etl::iunordered_multiset<NDC, simple_hash> IDataNDC;
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NDC N0 = NDC("FF");
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NDC N1 = NDC("FG");
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NDC N2 = NDC("FH");
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NDC N3 = NDC("FI");
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NDC N4 = NDC("FJ");
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NDC N5 = NDC("FK");
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NDC N6 = NDC("FL");
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NDC N7 = NDC("FM");
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NDC N8 = NDC("FN");
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NDC N9 = NDC("FO");
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NDC N10 = NDC("FP");
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NDC N11 = NDC("FQ");
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NDC N12 = NDC("FR");
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NDC N13 = NDC("FS");
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NDC N14 = NDC("FT");
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NDC N15 = NDC("FU");
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NDC N16 = NDC("FV");
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NDC N17 = NDC("FW");
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NDC N18 = NDC("FX");
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NDC N19 = NDC("FY");
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std::vector<NDC> initial_data;
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std::vector<NDC> excess_data;
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std::vector<NDC> different_data;
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std::vector<NDC> equal_data;
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//*************************************************************************
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struct SetupFixture
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{
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SetupFixture()
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{
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NDC n[] =
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{
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N0, N1, N2, N3, N4, N5, N6, N7, N8, N9
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};
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NDC n2[] =
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{
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N0, N1, N2, N3, N4, N5, N6, N7, N8, N9, N10
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};
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NDC n3[] =
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{
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N10, N11, N12, N13, N14, N15, N16, N17, N18, N19
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};
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NDC n4[] =
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{
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N0, N1, N1, N1, N2
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};
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initial_data.assign(std::begin(n), std::end(n));
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excess_data.assign(std::begin(n2), std::end(n2));
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different_data.assign(std::begin(n3), std::end(n3));
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equal_data.assign(std::begin(n4), std::end(n4));
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}
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};
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_default_constructor)
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{
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DataDC data;
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CHECK_EQUAL(data.size(), size_t(0));
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CHECK(data.empty());
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CHECK_EQUAL(data.max_size(), SIZE);
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CHECK(data.begin() == data.end());
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_constructor_range)
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{
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DataNDC data(initial_data.begin(), initial_data.end());
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CHECK(data.size() == SIZE);
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CHECK(!data.empty());
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CHECK(data.full());
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_assignment)
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{
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DataNDC data(initial_data.begin(), initial_data.end());
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DataNDC other_data;
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other_data = data;
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bool isEqual = std::equal(data.begin(),
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data.end(),
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other_data.begin());
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CHECK(isEqual);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_assignment_interface)
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{
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DataNDC data1(initial_data.begin(), initial_data.end());
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DataNDC data2;
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IDataNDC& idata1 = data1;
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IDataNDC& idata2 = data2;
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idata2 = idata1;
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bool isEqual = std::equal(data1.begin(),
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data1.end(),
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data2.begin());
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CHECK(isEqual);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_self_assignment)
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{
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DataNDC data(initial_data.begin(), initial_data.end());
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DataNDC other_data(data);
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other_data = other_data;
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bool isEqual = std::equal(data.begin(),
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data.end(),
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other_data.begin());
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CHECK(isEqual);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_empty_full)
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{
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DataNDC data;
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CHECK(!data.full());
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CHECK(data.empty());
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data.insert(initial_data.begin(), initial_data.end());
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CHECK(data.full());
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CHECK(!data.empty());
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_assign_range)
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{
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DataNDC data;
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data.assign(initial_data.begin(), initial_data.end());
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DataNDC::iterator idata;
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for (size_t i = 0; i < 10; ++i)
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{
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idata = data.find(initial_data[i]);
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CHECK(idata != data.end());
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}
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_insert_value)
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{
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DataNDC data;
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data.insert(N0); // Inserted
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data.insert(N2); // Inserted
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data.insert(N1); // Inserted
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data.insert(N11); // Duplicate hash. Inserted
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data.insert(N1); // Duplicate. Inserted
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CHECK_EQUAL(5U, data.size());
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DataNDC::iterator idata;
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idata = data.find(N0);
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CHECK(idata != data.end());
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CHECK(*idata == N0);
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idata = data.find(N1);
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CHECK(idata != data.end());
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CHECK(*idata == N1);
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// The other value with key == N1
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++idata;
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CHECK(idata != data.end());
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CHECK(*idata == N1);
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idata = data.find(N2);
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CHECK(idata != data.end());
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CHECK(*idata == N2);
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idata = data.find(N11);
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CHECK(idata != data.end());
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CHECK(*idata == N11);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_insert_value_excess)
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{
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DataNDC data(initial_data.begin(), initial_data.end());
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CHECK_THROW(data.insert(N10), etl::unordered_multiset_full);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_insert_range)
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{
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DataNDC data;
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data.insert(initial_data.begin(), initial_data.end());
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for (size_t i = 0; i < data.size(); ++i)
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{
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DataNDC::iterator idata = data.find(initial_data[i]);
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CHECK(idata != data.end());
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}
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_insert_range_excess)
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{
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DataNDC data;
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CHECK_THROW(data.insert(excess_data.begin(), excess_data.end()), etl::unordered_multiset_full);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_erase_key)
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{
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DataNDC data(equal_data.begin(), equal_data.end());
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size_t count = data.erase(N0);
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CHECK_EQUAL(1U, count);
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DataNDC::iterator idata = data.find(N0);
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CHECK(idata == data.end());
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count = data.erase(N1);
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CHECK_EQUAL(3U, count);
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idata = data.find(N1);
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CHECK(idata == data.end());
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_erase_single)
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{
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DataNDC data(initial_data.begin(), initial_data.end());
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DataNDC::const_iterator idata = data.find(N5);
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DataNDC::const_iterator inext = idata;
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++inext;
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DataNDC::const_iterator iafter = data.erase(idata);
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idata = data.find(N5);
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CHECK(idata == data.end());
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CHECK(inext == iafter);
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// Test that erase really does erase from the pool.
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CHECK(!data.full());
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CHECK(!data.empty());
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_erase_range)
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{
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DataNDC data(initial_data.begin(), initial_data.end());
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DataNDC::iterator idata = data.begin();
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std::advance(idata, 2);
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DataNDC::iterator idata_end = data.begin();
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std::advance(idata_end, 5);
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data.erase(idata, idata_end);
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CHECK_EQUAL(initial_data.size() - 3, data.size());
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CHECK(!data.full());
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CHECK(!data.empty());
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idata = data.find(N8);
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CHECK(idata != data.end());
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idata = data.find(N0);
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CHECK(idata != data.end());
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idata = data.find(N1);
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CHECK(idata == data.end());
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idata = data.find(N2);
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CHECK(idata == data.end());
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idata = data.find(N3);
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CHECK(idata != data.end());
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idata = data.find(N4);
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CHECK(idata != data.end());
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idata = data.find(N5);
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CHECK(idata != data.end());
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idata = data.find(N6);
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CHECK(idata == data.end());
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idata = data.find(N7);
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CHECK(idata != data.end());
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idata = data.find(N8);
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CHECK(idata != data.end());
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idata = data.find(N9);
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CHECK(idata != data.end());
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_clear)
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{
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DataNDC data(initial_data.begin(), initial_data.end());
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data.clear();
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CHECK_EQUAL(data.size(), size_t(0));
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_count_key)
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{
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DataNDC data(equal_data.begin(), equal_data.end());
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size_t count = data.count(N0);
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CHECK_EQUAL(1U, count);
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count = data.count(N1);
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CHECK_EQUAL(3U, count);
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count = data.count(N10);
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CHECK_EQUAL(0U, count);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_find_const)
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{
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const DataNDC data(initial_data.begin(), initial_data.end());
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DataNDC::const_iterator idata = data.find(N3);
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CHECK(idata != data.end());
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_equal_range)
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{
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DataNDC data(equal_data.begin(), equal_data.end());
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std::pair<DataNDC::iterator, DataNDC::iterator> result;
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result = data.equal_range(N0);
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CHECK(result.first == data.begin());
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CHECK(result.second != data.end());
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CHECK_EQUAL(std::distance(result.first, result.second), 1);
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CHECK_EQUAL(*result.first, N0);
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result = data.equal_range(N1);
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CHECK(result.first != data.begin());
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CHECK(result.second != data.end());
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CHECK_EQUAL(std::distance(result.first, result.second), 3);
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CHECK_EQUAL(*result.first, N1);
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result = data.equal_range(N2);
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CHECK(result.first != data.begin());
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CHECK(result.second == data.end());
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CHECK_EQUAL(std::distance(result.first, result.second), 1);
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CHECK_EQUAL(*result.first, N2);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_equal_range_const)
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{
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const DataNDC data(equal_data.begin(), equal_data.end());
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std::pair<DataNDC::const_iterator, DataNDC::const_iterator> result;
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result = data.equal_range(N0);
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CHECK(result.first == data.begin());
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CHECK(result.second != data.end());
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CHECK_EQUAL(std::distance(result.first, result.second), 1);
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CHECK_EQUAL(*result.first, N0);
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result = data.equal_range(N1);
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CHECK(result.first != data.begin());
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CHECK(result.second != data.end());
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CHECK_EQUAL(std::distance(result.first, result.second), 3);
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CHECK_EQUAL(*result.first, N1);
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result = data.equal_range(N2);
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CHECK(result.first != data.begin());
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CHECK(result.second == data.end());
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CHECK_EQUAL(std::distance(result.first, result.second), 1);
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CHECK_EQUAL(*result.first, N2);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_equal)
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{
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const DataNDC initial1(initial_data.begin(), initial_data.end());
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const DataNDC initial2(initial_data.begin(), initial_data.end());
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CHECK(initial1 == initial2);
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const DataNDC different(different_data.begin(), different_data.end());
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CHECK(!(initial1 == different));
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_not_equal)
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{
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const DataNDC initial1(initial_data.begin(), initial_data.end());
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const DataNDC initial2(initial_data.begin(), initial_data.end());
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CHECK(!(initial1 != initial2));
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const DataNDC different(different_data.begin(), different_data.end());
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CHECK(initial1 != different);
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_hash_function)
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{
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DataNDC data;
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DataNDC::hasher hash_function = data.hash_function();
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CHECK_EQUAL(simple_hash()(std::string("ABCDEF")), hash_function(std::string("ABCDEF")));
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_key_eq_function)
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{
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DataNDC data;
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DataNDC::key_equal key_eq = data.key_eq();
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CHECK(key_eq(std::string("ABCDEF"), std::string("ABCDEF")));
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CHECK(!key_eq(std::string("ABCDEF"), std::string("ABCDEG")));
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}
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//*************************************************************************
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TEST_FIXTURE(SetupFixture, test_load_factor)
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{
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// Empty.
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DataNDC data;
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CHECK_CLOSE(0.0, data.load_factor(), 0.01);
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// Half the buckets used.
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data.assign(initial_data.begin(), initial_data.begin() + (initial_data.size() / 4));
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CHECK_CLOSE(0.4, data.load_factor(), 0.01);
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// All of the buckets used.
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data.clear();
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data.assign(initial_data.begin(), initial_data.end());
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CHECK_CLOSE(2.0, data.load_factor(), 0.01);
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}
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};
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}
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