585 lines
19 KiB
C++
585 lines
19 KiB
C++
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/******************************************************************************
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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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https://www.etlcpp.com
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Copyright(c) 2014 John Wellbelove
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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 "unit_test_framework.h"
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#include <string>
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#include <list>
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#include <queue>
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#include <algorithm>
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#include "etl/iterator.h"
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#include "iterators_for_unit_tests.h"
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#include "data.h"
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namespace
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{
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using Item = TestDataM<std::string>;
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struct input : public etl::iterator<ETL_OR_STD::input_iterator_tag, int>
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{
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};
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struct output : public etl::iterator<ETL_OR_STD::output_iterator_tag, int>
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{
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};
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struct forward : public etl::iterator<ETL_OR_STD::forward_iterator_tag, int>
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{
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};
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struct bidirectional : public etl::iterator<ETL_OR_STD::bidirectional_iterator_tag, int>
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{
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};
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struct random : public etl::iterator<ETL_OR_STD::random_access_iterator_tag, int>
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{
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};
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typedef int* pointer;
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typedef const int* const_pointer;
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const size_t SIZE = 10UL;
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int dataA[SIZE] = { 2, 1, 4, 3, 6, 5, 8, 7, 10, 9 };
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SUITE(test_iterator)
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{
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// NOTE '!!' is required to keep GCC happy.
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//*************************************************************************
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TEST(distance_non_random)
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{
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ptrdiff_t d = etl::distance(non_random_iterator<int>(&dataA[0]), non_random_iterator<int>(dataA + SIZE));
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CHECK_EQUAL(SIZE, d);
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}
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//*************************************************************************
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TEST(distance_random)
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{
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ptrdiff_t d = etl::distance(random_iterator<int>(&dataA[0]), random_iterator<int>(dataA + SIZE));
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CHECK_EQUAL(SIZE, d);
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}
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//*************************************************************************
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TEST(advance_non_random)
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{
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int* itr1 = std::begin(dataA);
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non_random_iterator<int> itr2 = std::begin(dataA);
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std::advance(itr1, 4);
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etl::advance(itr2, 4);
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CHECK_EQUAL(*itr1, *itr2);
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std::advance(itr1, -3);
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etl::advance(itr2, -3);
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CHECK_EQUAL(*itr1, *itr2);
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}
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//*************************************************************************
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TEST(advance_random)
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{
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int* itr1 = std::begin(dataA);
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random_iterator<int> itr2 = std::begin(dataA);
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std::advance(itr1, 4);
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etl::advance(itr2, 4);
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CHECK_EQUAL(*itr1, *itr2);
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std::advance(itr1, -3);
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etl::advance(itr2, -3);
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CHECK_EQUAL(*itr1, *itr2);
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}
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//*************************************************************************
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TEST(prev)
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{
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int data[] = { 1, 2, 3, 4, 5, 6, 7 };
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size_t length = 6UL;
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int* itr = &data[0] + length;
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for (size_t i = 1UL; i <= length; ++i)
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{
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CHECK_EQUAL(data[length - i], *etl::prev(itr, i));
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}
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}
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//*************************************************************************
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TEST(next)
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{
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int data[] = { 1, 2, 3, 4, 5, 6, 7 };
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size_t length = 6UL;
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int* itr = &data[0];
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for (size_t i = 1UL; i <= length; ++i)
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{
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CHECK_EQUAL(data[i], *etl::next(itr, i));
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}
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}
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//*************************************************************************
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TEST(reverse_iterator)
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{
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int data[] = { 1, 2, 3, 4, 5, 6, 7 };
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std::reverse_iterator<int*> sri(&data[7]);
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etl::reverse_iterator<int*> eri(&data[7]);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK(etl::reverse_iterator<int*>(&data[5]) < eri);
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CHECK(etl::reverse_iterator<int*>(&data[3]) > eri);
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CHECK(etl::reverse_iterator<int*>(&data[4]) <= eri);
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CHECK(etl::reverse_iterator<int*>(&data[5]) <= eri);
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CHECK(etl::reverse_iterator<int*>(&data[4]) >= eri);
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CHECK(etl::reverse_iterator<int*>(&data[3]) >= eri);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri, *eri);
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CHECK(etl::reverse_iterator<int*>(&data[1]) == eri);
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CHECK(etl::reverse_iterator<int*>(&data[2]) != eri);
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CHECK(etl::reverse_iterator<int*>(&data[3]) != eri);
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CHECK(etl::reverse_iterator<int*>(&data[4]) != eri);
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CHECK(etl::reverse_iterator<int*>(&data[5]) != eri);
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CHECK(etl::reverse_iterator<int*>(&data[6]) != eri);
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CHECK(etl::reverse_iterator<int*>(&data[7]) != eri);
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sri = std::reverse_iterator<int*>(&data[7]);
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eri = etl::reverse_iterator<int*>(&data[7]);
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CHECK_EQUAL(sri[0], eri[0]);
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CHECK_EQUAL(sri[1], eri[1]);
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CHECK_EQUAL(sri[2], eri[2]);
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CHECK_EQUAL(sri[3], eri[3]);
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CHECK_EQUAL(sri[4], eri[4]);
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CHECK_EQUAL(sri[5], eri[5]);
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CHECK_EQUAL(sri[6], eri[6]);
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sri += 4;
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eri += 4;
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CHECK_EQUAL(*sri, *eri);
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sri -= 2;
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eri -= 2;
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CHECK_EQUAL(*sri, *eri);
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std::reverse_iterator<int*> sri2 = sri + 3;
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etl::reverse_iterator<int*> eri2 = eri + 3;
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CHECK_EQUAL(*sri, *eri);
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sri2 = sri - 3;
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eri2 = eri - 3;
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CHECK_EQUAL(*sri, *eri);
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}
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//*************************************************************************
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TEST(reverse_iterator_const)
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{
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const int data[] = { 1, 2, 3, 4, 5, 6, 7 };
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std::reverse_iterator<const int*> sri(&data[7]);
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etl::reverse_iterator<const int*> eri(&data[7]);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK(etl::reverse_iterator<const int*>(&data[5]) < eri);
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CHECK(etl::reverse_iterator<const int*>(&data[3]) > eri);
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CHECK(etl::reverse_iterator<const int*>(&data[4]) <= eri);
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CHECK(etl::reverse_iterator<const int*>(&data[5]) <= eri);
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CHECK(etl::reverse_iterator<const int*>(&data[4]) >= eri);
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CHECK(etl::reverse_iterator<const int*>(&data[3]) >= eri);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri++, *eri++);
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CHECK_EQUAL(*sri, *eri);
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CHECK(etl::reverse_iterator<const int*>(&data[1]) == eri);
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CHECK(etl::reverse_iterator<const int*>(&data[2]) != eri);
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CHECK(etl::reverse_iterator<const int*>(&data[3]) != eri);
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CHECK(etl::reverse_iterator<const int*>(&data[4]) != eri);
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CHECK(etl::reverse_iterator<const int*>(&data[5]) != eri);
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CHECK(etl::reverse_iterator<const int*>(&data[6]) != eri);
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CHECK(etl::reverse_iterator<const int*>(&data[7]) != eri);
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sri = std::reverse_iterator<const int*>(&data[7]);
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eri = etl::reverse_iterator<const int*>(&data[7]);
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CHECK_EQUAL(sri[0], eri[0]);
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CHECK_EQUAL(sri[1], eri[1]);
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CHECK_EQUAL(sri[2], eri[2]);
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CHECK_EQUAL(sri[3], eri[3]);
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CHECK_EQUAL(sri[4], eri[4]);
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CHECK_EQUAL(sri[5], eri[5]);
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CHECK_EQUAL(sri[6], eri[6]);
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CHECK_EQUAL(*sri, *eri);
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CHECK_EQUAL(*(sri + 1), *(eri + 1));
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CHECK_EQUAL(*(sri + 2), *(eri + 2));
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CHECK_EQUAL(*(sri + 3), *(eri + 3));
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CHECK_EQUAL(*(sri + 4), *(eri + 4));
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CHECK_EQUAL(*(sri + 5), *(eri + 5));
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CHECK_EQUAL(*(sri + 6), *(eri + 6));
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sri += 4;
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eri += 4;
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CHECK_EQUAL(*sri, *eri);
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sri -= 2;
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eri -= 2;
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CHECK_EQUAL(*sri, *eri);
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std::reverse_iterator<const int*> sri2 = sri + 3;
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etl::reverse_iterator<const int*> eri2 = eri + 3;
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CHECK_EQUAL(*sri, *eri);
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sri2 = sri - 3;
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eri2 = eri - 3;
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CHECK_EQUAL(*sri, *eri);
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}
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//*************************************************************************
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TEST(test_input)
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{
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CHECK(!!etl::is_input_iterator<input>::value);
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CHECK(!etl::is_output_iterator<input>::value);
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CHECK(!etl::is_forward_iterator<input>::value);
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CHECK(!etl::is_bidirectional_iterator<input>::value);
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CHECK(!etl::is_random_iterator<input>::value);
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CHECK(!!etl::is_input_iterator_concept<input>::value);
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CHECK(!etl::is_output_iterator_concept<input>::value);
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CHECK(!etl::is_forward_iterator_concept<input>::value);
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CHECK(!etl::is_bidirectional_iterator_concept<input>::value);
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CHECK(!etl::is_random_iterator_concept<input>::value);
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}
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//*************************************************************************
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TEST(test_output)
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{
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CHECK(!etl::is_input_iterator<output>::value);
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CHECK(!!etl::is_output_iterator<output>::value);
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CHECK(!etl::is_forward_iterator<output>::value);
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CHECK(!etl::is_bidirectional_iterator<output>::value);
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CHECK(!etl::is_random_iterator<output>::value);
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CHECK(!etl::is_input_iterator_concept<output>::value);
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CHECK(etl::is_output_iterator_concept<output>::value == true);
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CHECK(!etl::is_forward_iterator_concept<output>::value);
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CHECK(!etl::is_bidirectional_iterator_concept<output>::value);
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CHECK(!etl::is_random_iterator_concept<output>::value);
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}
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//*************************************************************************
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TEST(test_forward)
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{
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CHECK(!etl::is_input_iterator<forward>::value);
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CHECK(!etl::is_output_iterator<forward>::value);
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CHECK(!!etl::is_forward_iterator<forward>::value);
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CHECK(!etl::is_bidirectional_iterator<forward>::value);
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CHECK(!etl::is_random_iterator<forward>::value);
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CHECK(!!etl::is_input_iterator_concept<forward>::value);
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CHECK(!!etl::is_output_iterator_concept<forward>::value);
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CHECK(!!etl::is_forward_iterator_concept<forward>::value);
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CHECK(!etl::is_bidirectional_iterator_concept<forward>::value);
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CHECK(!etl::is_random_iterator_concept<forward>::value);
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}
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//*************************************************************************
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TEST(test_bidirectional)
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{
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CHECK(!etl::is_input_iterator<bidirectional>::value);
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CHECK(!etl::is_output_iterator<bidirectional>::value);
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CHECK(!etl::is_forward_iterator<bidirectional>::value);
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CHECK(!!etl::is_bidirectional_iterator<bidirectional>::value);
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CHECK(!etl::is_random_iterator<bidirectional>::value);
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CHECK(!!etl::is_input_iterator_concept<bidirectional>::value);
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CHECK(!!etl::is_output_iterator_concept<bidirectional>::value);
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CHECK(!!etl::is_forward_iterator_concept<bidirectional>::value);
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CHECK(!!etl::is_bidirectional_iterator_concept<bidirectional>::value);
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CHECK(!etl::is_random_iterator_concept<bidirectional>::value);
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}
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//*************************************************************************
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TEST(test_random)
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{
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CHECK(!etl::is_input_iterator<random>::value);
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CHECK(!etl::is_output_iterator<random>::value);
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CHECK(!etl::is_forward_iterator<random>::value);
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CHECK(!etl::is_bidirectional_iterator<random>::value);
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CHECK(!!etl::is_random_iterator<random>::value);
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CHECK(!!etl::is_input_iterator_concept<random>::value);
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CHECK(!!etl::is_output_iterator_concept<random>::value);
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CHECK(!!etl::is_forward_iterator_concept<random>::value);
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CHECK(!!etl::is_bidirectional_iterator_concept<random>::value);
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CHECK(!!etl::is_random_iterator_concept<random>::value);
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}
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//*************************************************************************
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TEST(test_pointer)
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{
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CHECK(!etl::is_input_iterator<pointer>::value);
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CHECK(!etl::is_output_iterator<pointer>::value);
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CHECK(!etl::is_forward_iterator<pointer>::value);
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CHECK(!etl::is_bidirectional_iterator<pointer>::value);
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CHECK(!!etl::is_random_iterator<pointer>::value);
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CHECK(!!etl::is_input_iterator_concept<pointer>::value);
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CHECK(!!etl::is_output_iterator_concept<pointer>::value);
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CHECK(!!etl::is_forward_iterator_concept<pointer>::value);
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CHECK(!!etl::is_bidirectional_iterator_concept<pointer>::value);
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CHECK(!!etl::is_random_iterator_concept<pointer>::value);
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}
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//*************************************************************************
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TEST(test_const_pointer)
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{
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CHECK(!etl::is_input_iterator<const_pointer>::value);
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CHECK(!etl::is_output_iterator<const_pointer>::value);
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CHECK(!etl::is_forward_iterator<const_pointer>::value);
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CHECK(!etl::is_bidirectional_iterator<const_pointer>::value);
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CHECK(!!etl::is_random_iterator<const_pointer>::value);
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CHECK(!!etl::is_input_iterator_concept<const_pointer>::value);
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CHECK(!!etl::is_output_iterator_concept<const_pointer>::value);
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CHECK(!!etl::is_forward_iterator_concept<const_pointer>::value);
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CHECK(!!etl::is_bidirectional_iterator_concept<const_pointer>::value);
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CHECK(!!etl::is_random_iterator_concept<const_pointer>::value);
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}
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//*************************************************************************
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TEST(test_move_iterator_constructors)
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{
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Item list[] = { Item("1"), Item("2"), Item("3") };
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etl::move_iterator<Item*> mitr1(&list[0]);
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etl::move_iterator<Item*> mitr2(&list[1]);
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etl::move_iterator<Item*> mitr3(&list[1]);
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etl::move_iterator<Item*> mitr4 = etl::make_move_iterator(&list[2]);
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etl::move_iterator<Item*> mitr5(mitr4);
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CHECK(mitr1.base() == &list[0]);
|
||
|
CHECK(mitr2.base() == &list[1]);
|
||
|
CHECK(mitr3.base() == &list[1]);
|
||
|
CHECK(mitr4.base() == &list[2]);
|
||
|
CHECK(mitr5.base() == &list[2]);
|
||
|
}
|
||
|
|
||
|
//*************************************************************************
|
||
|
TEST(test_move_iterator_relational_operators)
|
||
|
{
|
||
|
Item list[] = { Item("1"), Item("2"), Item("3") };
|
||
|
|
||
|
etl::move_iterator<Item*> mitr1(&list[0]);
|
||
|
etl::move_iterator<Item*> mitr2(&list[1]);
|
||
|
etl::move_iterator<Item*> mitr3(&list[1]);
|
||
|
|
||
|
etl::move_iterator<Item*> mitr4 = etl::make_move_iterator(&list[2]);
|
||
|
etl::move_iterator<Item*> mitr5(mitr4);
|
||
|
|
||
|
CHECK(mitr1 < mitr2);
|
||
|
CHECK(!(mitr2 < mitr1));
|
||
|
CHECK(!(mitr2 < mitr3));
|
||
|
|
||
|
CHECK(mitr1 <= mitr2);
|
||
|
CHECK(mitr2 <= mitr3);
|
||
|
CHECK(!(mitr2 <= mitr1));
|
||
|
|
||
|
CHECK(mitr2 > mitr1);
|
||
|
CHECK(!(mitr1 > mitr2));
|
||
|
CHECK(!(mitr3 > mitr2));
|
||
|
|
||
|
CHECK(mitr2 >= mitr1);
|
||
|
CHECK(mitr3 >= mitr2);
|
||
|
CHECK(!(mitr1 >= mitr2));
|
||
|
|
||
|
CHECK(mitr4 == mitr5);
|
||
|
CHECK(mitr3 != mitr5);
|
||
|
}
|
||
|
|
||
|
//*************************************************************************
|
||
|
TEST(test_move_iterator_access_operators)
|
||
|
{
|
||
|
Item item1("1");
|
||
|
|
||
|
etl::move_iterator<Item*> mitr(&item1);
|
||
|
|
||
|
CHECK_EQUAL("1", mitr->value);
|
||
|
CHECK_EQUAL(true, mitr->valid);
|
||
|
|
||
|
CHECK_EQUAL("1", (*mitr).value);
|
||
|
CHECK_EQUAL(true, (*mitr).valid);
|
||
|
|
||
|
Item item2 = *mitr; // Move item1
|
||
|
|
||
|
CHECK_EQUAL(false, item1.valid);
|
||
|
|
||
|
CHECK_EQUAL("1", item2.value);
|
||
|
CHECK_EQUAL(true, item2.valid);
|
||
|
}
|
||
|
|
||
|
//*************************************************************************
|
||
|
TEST(test_move_iterator_index)
|
||
|
{
|
||
|
Item list[] = { Item("1"), Item("2"), Item("3") };
|
||
|
|
||
|
etl::move_iterator<Item*> mitr(&list[0]);
|
||
|
|
||
|
CHECK_EQUAL("3", mitr[2].value);
|
||
|
CHECK_EQUAL(true, mitr[2].valid);
|
||
|
}
|
||
|
|
||
|
//*************************************************************************
|
||
|
TEST(test_move_iterator_increment_decrement)
|
||
|
{
|
||
|
Item list[] = { Item("1"), Item("2"), Item("3") };
|
||
|
|
||
|
etl::move_iterator<Item*> mitr(&list[0]);
|
||
|
|
||
|
mitr++;
|
||
|
++mitr;
|
||
|
|
||
|
CHECK_EQUAL("3", mitr->value);
|
||
|
CHECK_EQUAL(true, mitr->valid);
|
||
|
|
||
|
mitr--;
|
||
|
--mitr;
|
||
|
|
||
|
CHECK_EQUAL("1", mitr->value);
|
||
|
CHECK_EQUAL(true, mitr->valid);
|
||
|
|
||
|
mitr += 1;
|
||
|
|
||
|
CHECK_EQUAL("2", mitr->value);
|
||
|
CHECK_EQUAL(true, mitr->valid);
|
||
|
|
||
|
mitr -= 1;
|
||
|
|
||
|
CHECK_EQUAL("1", mitr->value);
|
||
|
CHECK_EQUAL(true, mitr->valid);
|
||
|
|
||
|
mitr = mitr + 1;
|
||
|
|
||
|
CHECK_EQUAL("2", mitr->value);
|
||
|
CHECK_EQUAL(true, mitr->valid);
|
||
|
|
||
|
mitr = mitr - 1;
|
||
|
|
||
|
CHECK_EQUAL("1", mitr->value);
|
||
|
CHECK_EQUAL(true, mitr->valid);
|
||
|
}
|
||
|
|
||
|
//*************************************************************************
|
||
|
TEST(test_move_iterator_subtraction)
|
||
|
{
|
||
|
Item list[] = { Item("1"), Item("2"), Item("3") };
|
||
|
|
||
|
etl::move_iterator<Item*> mitr1(&list[0]);
|
||
|
etl::move_iterator<Item*> mitr2(&list[1]);
|
||
|
|
||
|
etl::move_iterator<Item*>::difference_type d = mitr2 - mitr1;
|
||
|
|
||
|
CHECK_EQUAL(1, d);
|
||
|
}
|
||
|
|
||
|
//*************************************************************************
|
||
|
TEST(test_front_insert_iterator)
|
||
|
{
|
||
|
std::list<int> input = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
|
||
|
std::list<int> expected = { 81, 64, 49, 36, 25, 16, 9, 4, 1, 0 };
|
||
|
std::list<int> output;
|
||
|
|
||
|
auto squared = [](int value)
|
||
|
{
|
||
|
return value * value;
|
||
|
};
|
||
|
|
||
|
std::transform(input.cbegin(), input.cend(), etl::front_inserter(output), squared);
|
||
|
|
||
|
CHECK_EQUAL(expected.size(), output.size());
|
||
|
CHECK(std::equal(output.begin(), output.end(), expected.begin()));
|
||
|
}
|
||
|
|
||
|
//*************************************************************************
|
||
|
TEST(test_back_insert_iterator)
|
||
|
{
|
||
|
std::list<int> input = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
|
||
|
std::list<int> expected = { 0, 1, 4, 9, 16, 25, 36, 49, 64, 81 };
|
||
|
std::list<int> output;
|
||
|
|
||
|
auto squared = [](int value)
|
||
|
{
|
||
|
return value * value;
|
||
|
};
|
||
|
|
||
|
std::transform(input.cbegin(), input.cend(), etl::back_inserter(output), squared);
|
||
|
|
||
|
CHECK_EQUAL(expected.size(), output.size());
|
||
|
CHECK(std::equal(output.begin(), output.end(), expected.begin()));
|
||
|
}
|
||
|
|
||
|
//*************************************************************************
|
||
|
//TEST(test_push_insert_iterator)
|
||
|
//{
|
||
|
// std::list<int> input = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
|
||
|
// std::list<int> expected = { 0, 1, 4, 9, 16, 25, 36, 49, 64, 81 };
|
||
|
// std::queue<int> output;
|
||
|
|
||
|
// auto squared = [](int value)
|
||
|
// {
|
||
|
// return value * value;
|
||
|
// };
|
||
|
|
||
|
// std::transform(input.begin(), input.cend(), etl::push_inserter(output), squared);
|
||
|
|
||
|
// CHECK_EQUAL(expected.size(), output.size());
|
||
|
// CHECK(std::equal(output.begin(), output.end(), expected.begin()));
|
||
|
//}
|
||
|
};
|
||
|
}
|