671 lines
19 KiB
C++
671 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 "etl/utility.h"
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#include <map>
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#include <vector>
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#include <algorithm>
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#include <type_traits>
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#include "data.h"
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namespace
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{
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bool nonConstCalled;
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bool constCalled;
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void TestText(std::string&)
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{
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nonConstCalled = true;
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}
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void TestText(const std::string&)
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{
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constCalled = true;
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}
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int TestGlobal(int i)
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{
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return 2 * i;
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}
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using ItemM1 = TestDataM<int>;
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using ItemM2 = TestDataM<double>;
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//*****************************************************************************
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// The test class to call.
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class TestClass
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{
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public:
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int MemberFunction(int i)
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{
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return 2 * i;
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}
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int operator()(int i)
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{
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return 2 * i;
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}
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};
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static TestClass test;
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}
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namespace
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{
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SUITE(test_utility)
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{
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//*************************************************************************
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TEST(pair_default_construct)
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{
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etl::pair<int, double> p1;
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CHECK_EQUAL(int(), p1.first);
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CHECK_EQUAL(double(), p1.second);
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}
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//*************************************************************************
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TEST(test_pair_construct)
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{
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etl::pair<int, double> p1(1, 2.3);
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CHECK_EQUAL(1, p1.first);
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CHECK_EQUAL(2.3, p1.second);
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}
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#if ETL_USING_CPP17
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//*************************************************************************
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TEST(test_cpp17_deduced_pair_construct)
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{
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etl::pair p1{ 1, 2.3 };
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CHECK((std::is_same_v<decltype(p1.first), int>));
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CHECK((std::is_same_v<decltype(p1.second), double>));
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CHECK_EQUAL(1, p1.first);
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CHECK_EQUAL(2.3, p1.second);
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}
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#endif
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//*************************************************************************
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TEST(test_pair_move_parameter_construct)
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{
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etl::pair<ItemM1, ItemM2> p1(1, 2.3);
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CHECK_EQUAL(1, p1.first.value);
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CHECK_EQUAL(2.3, p1.second.value);
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}
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//*************************************************************************
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TEST(test_pair_copy_construct)
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{
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etl::pair<int, double> p1(1, 2.3);
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etl::pair<int, double> p2(p1);
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CHECK_EQUAL(p1.first, p2.first);
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CHECK_EQUAL(p1.second, p2.second);
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}
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//*************************************************************************
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TEST(test_pair_move_construct)
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{
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etl::pair<ItemM1, ItemM2> p1(1, 2.3);
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etl::pair<ItemM1, ItemM2> p2(std::move(p1));
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CHECK(!bool(p1.first));
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CHECK(!bool(p1.second));
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CHECK_EQUAL(1, p2.first.value);
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CHECK_EQUAL(2.3, p2.second.value);
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}
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//*************************************************************************
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TEST(test_pair_copy_construct_alternate)
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{
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etl::pair<char, float> p1(1, 2.3f);
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etl::pair<int, double> p2(p1);
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CHECK_EQUAL(p1.first, p2.first);
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CHECK_EQUAL(p1.second, p2.second);
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}
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//*************************************************************************
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TEST(test_make_pair)
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{
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etl::pair<int, double> p1(1, 2.3);
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etl::pair<int, double> p2;
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p2 = etl::make_pair(1, 2.3);
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CHECK_EQUAL(p1.first, p2.first);
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CHECK_EQUAL(p1.second, p2.second);
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}
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//*************************************************************************
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TEST(test_make_pair_move)
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{
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etl::pair<ItemM1, ItemM2> p1(1, 2.3);
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etl::pair<ItemM1, ItemM2> p2(0, 0);
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#include "etl/private/diagnostic_pessimizing_move_push.h"
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p2 = etl::make_pair(std::move(ItemM1(1)), std::move(ItemM2(2.3)));
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#include "etl/private/diagnostic_pop.h"
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CHECK_EQUAL(p1.first, p2.first);
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CHECK_EQUAL(p1.second, p2.second);
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}
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//*************************************************************************
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TEST(test_pair_swap_member)
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{
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etl::pair<int, double> p1(1, 2.3);
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etl::pair<int, double> p2(2, 3.4);
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p1.swap(p2);
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CHECK_EQUAL(2, p1.first);
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CHECK_EQUAL(3.4, p1.second);
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CHECK_EQUAL(1, p2.first);
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CHECK_EQUAL(2.3, p2.second);
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}
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//*************************************************************************
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TEST(test_pair_swap_global)
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{
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etl::pair<int, double> p1(1, 2.3);
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etl::pair<int, double> p2(2, 3.4);
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swap(p1, p2);
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CHECK_EQUAL(2, p1.first);
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CHECK_EQUAL(3.4, p1.second);
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CHECK_EQUAL(1, p2.first);
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CHECK_EQUAL(2.3, p2.second);
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}
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//*************************************************************************
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TEST(test_pair_conditional)
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{
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etl::pair<int, double> p1(1, 2.3);
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etl::pair<int, double> p2(1, 2.3);
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etl::pair<int, double> p3(2, 3.4);
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CHECK(p1 == p2);
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CHECK(!(p1 == p3));
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CHECK(p1 != p3);
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CHECK(!(p1 != p2));
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CHECK(p1 <= p2);
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CHECK(p1 <= p3);
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CHECK(!(p1 < p2));
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CHECK(p1 < p3);
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CHECK(!(p3 < p1));
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CHECK(p1 >= p2);
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CHECK(!(p1 >= p3));
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CHECK(!(p1 > p2));
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CHECK(!(p1 > p3));
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CHECK(p3 > p1);
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}
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//*************************************************************************
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TEST(test_pair_conversion)
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{
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#if ETL_USING_CPP11
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etl::pair<int, std::string> ep1(1, "Hello");
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std::pair<int, std::string> sp1(2, "World");
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etl::pair<int, std::string> ep2(sp1);
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std::pair<int, std::string> sp2(ep1);
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etl::pair<const int, std::string> ep3(1, "Hello");
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std::pair<const int, std::string> sp3(2, "World");
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etl::pair<int, std::string> ep4(sp3);
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std::pair<int, std::string> sp4(ep3);
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etl::pair<const int, std::string> ep5(sp1);
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std::pair<const int, std::string> sp5(ep1);
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CHECK_EQUAL(2, ep2.first);
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CHECK_EQUAL(std::string("World"), ep2.second);
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CHECK_EQUAL(1, sp2.first);
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CHECK_EQUAL(std::string("Hello"), sp2.second);
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CHECK_EQUAL(2, ep4.first);
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CHECK_EQUAL(std::string("World"), ep4.second);
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CHECK_EQUAL(1, sp4.first);
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CHECK_EQUAL(std::string("Hello"), sp4.second);
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CHECK_EQUAL(2, ep5.first);
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CHECK_EQUAL(std::string("World"), ep5.second);
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CHECK_EQUAL(1, sp5.first);
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CHECK_EQUAL(std::string("Hello"), sp5.second);
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#endif
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}
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//*************************************************************************
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TEST(test_pair_move_conversion)
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{
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etl::pair<int, std::string> ep1(1, "Hello");
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std::pair<int, std::string> sp1(2, "World");
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etl::pair<int, std::string> ep2(std::move(sp1));
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std::pair<int, std::string> sp2(std::move(ep1));
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CHECK_EQUAL(2, ep2.first);
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CHECK_EQUAL(std::string("World"), ep2.second);
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CHECK_EQUAL(1, sp2.first);
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CHECK_EQUAL(std::string("Hello"), sp2.second);
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}
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//*************************************************************************
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TEST(test_exchange)
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{
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int a = 1;
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int b = 2;
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int c = etl::exchange(a, b); // c = a, a = b
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CHECK_EQUAL(2, a);
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CHECK_EQUAL(2, b);
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CHECK_EQUAL(1, c);
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}
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//*************************************************************************
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TEST(test_exchange_const)
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{
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int a = 1;
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const int b = 2;
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int c = etl::exchange(a, b); // c = a, a = b
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CHECK_EQUAL(2, a);
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CHECK_EQUAL(2, b);
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CHECK_EQUAL(1, c);
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}
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//*************************************************************************
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TEST(test_as_const)
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{
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std::string text = "Hello World!";
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nonConstCalled = false;
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constCalled = false;
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TestText(text);
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CHECK(nonConstCalled);
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CHECK(!constCalled);
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nonConstCalled = false;
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constCalled = false;
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TestText(etl::as_const(text));
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CHECK(!nonConstCalled);
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CHECK(constCalled);
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}
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//*************************************************************************
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TEST(test_select1st)
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{
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typedef etl::pair<int, std::string> EtlPair;
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typedef std::pair<int, std::string> StdPair;
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EtlPair ep1(1, "Hello");
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StdPair sp2(2, "World");
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auto selector = etl::select1st<EtlPair>();
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CHECK_EQUAL(1, selector(ep1));
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CHECK_EQUAL(2, selector(sp2));
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}
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//*************************************************************************
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TEST(test_select1st_example)
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{
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//! [test_select1st_example]
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using Map = std::map<int, double>;
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using Vector = std::vector<int>;
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const Map map = {{1, 0.3},
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{47, 0.8},
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{33, 0.1}};
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Vector result{};
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// Extract the map keys into a vector
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std::transform(map.begin(), map.end(), std::back_inserter(result), etl::select1st<Map::value_type>());
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//! [test_select1st_example]
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CHECK_EQUAL(3, result.size());
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const Vector expected{1, 33, 47};
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CHECK_ARRAY_EQUAL(expected, result, 3);
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}
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//*************************************************************************
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TEST(test_select2nd)
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{
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typedef etl::pair<int, std::string> EtlPair;
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typedef std::pair<int, std::string> StdPair;
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EtlPair ep1(1, "Hello");
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StdPair sp2(2, "World");
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auto selector = etl::select2nd<EtlPair>();
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CHECK_EQUAL(std::string("Hello"), selector(ep1));
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CHECK_EQUAL(std::string("World"), selector(sp2));
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}
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//*************************************************************************
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TEST(test_select2nd_example)
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{
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//! [test_select2nd_example]
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using Map = std::map<int, double>;
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using Vector = std::vector<double>;
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const Map map = {{1, 0.3},
|
||
|
|
{47, 0.8},
|
||
|
|
{33, 0.1}};
|
||
|
|
Vector result{};
|
||
|
|
|
||
|
|
// Extract the map values into a vector
|
||
|
|
std::transform(map.begin(), map.end(), std::back_inserter(result), etl::select2nd<Map::value_type>());
|
||
|
|
//! [test_select2nd_example]
|
||
|
|
|
||
|
|
CHECK_EQUAL(3, result.size());
|
||
|
|
|
||
|
|
const Vector expected{0.1, 0.3, 0.8};
|
||
|
|
sort(result.begin(), result.end()); // sort for comparison
|
||
|
|
CHECK_ARRAY_CLOSE(expected, result, 3, 0.0001);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
TEST(test_functor)
|
||
|
|
{
|
||
|
|
constexpr etl::functor<int, int> fw1(TestGlobal);
|
||
|
|
CHECK_EQUAL(2, fw1(1));
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
TEST(test_member_function_wrapper)
|
||
|
|
{
|
||
|
|
constexpr int(*pf)(int) = &etl::member_function_wrapper<int(int)>::function<TestClass, test, &TestClass::MemberFunction>;
|
||
|
|
|
||
|
|
CHECK_EQUAL(2, pf(1));
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
TEST(test_functor_wrapper)
|
||
|
|
{
|
||
|
|
constexpr int(*pf)(int) = &etl::functor_wrapper<int(int)>::function<TestClass, test>;
|
||
|
|
|
||
|
|
CHECK_EQUAL(2, pf(1));
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
struct SF
|
||
|
|
{
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
enum class forward_call_type
|
||
|
|
{
|
||
|
|
LValue,
|
||
|
|
ConstLValue,
|
||
|
|
RValue,
|
||
|
|
ConstRValue
|
||
|
|
};
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
std::ostream& operator << (std::ostream& os, forward_call_type type)
|
||
|
|
{
|
||
|
|
switch (type)
|
||
|
|
{
|
||
|
|
case forward_call_type::LValue:
|
||
|
|
{
|
||
|
|
os << "LValue";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case forward_call_type::ConstLValue:
|
||
|
|
{
|
||
|
|
os << "ConstLValue";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case forward_call_type::RValue:
|
||
|
|
{
|
||
|
|
os << "RValue";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case forward_call_type::ConstRValue:
|
||
|
|
{
|
||
|
|
os << "ConstRValue";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
default:
|
||
|
|
{
|
||
|
|
os << "Unknown type";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return os;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
forward_call_type function_f(SF&)
|
||
|
|
{
|
||
|
|
return forward_call_type::LValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
forward_call_type function_f(const SF&)
|
||
|
|
{
|
||
|
|
return forward_call_type::ConstLValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
forward_call_type function_f(SF&&)
|
||
|
|
{
|
||
|
|
return forward_call_type::RValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
forward_call_type function_f(const SF&&)
|
||
|
|
{
|
||
|
|
return forward_call_type::ConstRValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
template <typename T>
|
||
|
|
forward_call_type template_function_f(T&& t)
|
||
|
|
{
|
||
|
|
return function_f(etl::forward<T>(t));
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
TEST(test_forward)
|
||
|
|
{
|
||
|
|
SF s1;
|
||
|
|
const SF s2;
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_call_type::LValue, template_function_f(s1));
|
||
|
|
CHECK_EQUAL(forward_call_type::RValue, template_function_f(etl::move(s1)));
|
||
|
|
CHECK_EQUAL(forward_call_type::ConstLValue, template_function_f(s2));
|
||
|
|
CHECK_EQUAL(forward_call_type::ConstRValue, template_function_f(etl::move(s2)));
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
struct TFL
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
struct UFL
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
enum class forward_like_call_type
|
||
|
|
{
|
||
|
|
LValue,
|
||
|
|
ConstLValue,
|
||
|
|
RValue,
|
||
|
|
ConstRValue
|
||
|
|
};
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
std::ostream& operator << (std::ostream& os, forward_like_call_type type)
|
||
|
|
{
|
||
|
|
switch (type)
|
||
|
|
{
|
||
|
|
case forward_like_call_type::LValue:
|
||
|
|
{
|
||
|
|
os << "LValue";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case forward_like_call_type::ConstLValue:
|
||
|
|
{
|
||
|
|
os << "ConstLValue";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case forward_like_call_type::RValue:
|
||
|
|
{
|
||
|
|
os << "RValue";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case forward_like_call_type::ConstRValue:
|
||
|
|
{
|
||
|
|
os << "ConstRValue";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
default:
|
||
|
|
{
|
||
|
|
os << "Unknown type";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return os;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
forward_like_call_type function_fl(UFL&)
|
||
|
|
{
|
||
|
|
return forward_like_call_type::LValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
forward_like_call_type function_fl(const UFL&)
|
||
|
|
{
|
||
|
|
return forward_like_call_type::ConstLValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
forward_like_call_type function_fl(UFL&&)
|
||
|
|
{
|
||
|
|
return forward_like_call_type::RValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
forward_like_call_type function_fl(const UFL&&)
|
||
|
|
{
|
||
|
|
return forward_like_call_type::ConstRValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
template <typename T, typename U>
|
||
|
|
forward_like_call_type template_function_fl(U&& u)
|
||
|
|
{
|
||
|
|
return function_fl(etl::forward_like<T>(u));
|
||
|
|
}
|
||
|
|
|
||
|
|
//*********************************
|
||
|
|
TEST(test_forward_like)
|
||
|
|
{
|
||
|
|
UFL u1;
|
||
|
|
const UFL u2;
|
||
|
|
UFL& u3 = u1;
|
||
|
|
const UFL& u4 = u2;
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_like_call_type::LValue, template_function_fl<TFL&>(u1));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<const TFL&>(u1));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::RValue, template_function_fl<TFL&&>(u1));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<const TFL&&>(u1));
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_like_call_type::LValue, template_function_fl<TFL&>(etl::move(u1)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<const TFL&>(etl::move(u1)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::RValue, template_function_fl<TFL&&>(etl::move(u1)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<const TFL&&>(etl::move(u1)));
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<TFL&>(u2));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<const TFL&>(u2));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<TFL&&>(u2));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<const TFL&&>(u2));
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<TFL&>(etl::move(u2)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<const TFL&>(etl::move(u2)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<TFL&&>(etl::move(u2)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<const TFL&&>(etl::move(u2)));
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_like_call_type::LValue, template_function_fl<TFL&>(u3));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<const TFL&>(u3));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::RValue, template_function_fl<TFL&&>(u3));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<const TFL&&>(u3));
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_like_call_type::LValue, template_function_fl<TFL&>(etl::move(u3)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<const TFL&>(etl::move(u3)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::RValue, template_function_fl<TFL&&>(etl::move(u3)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<const TFL&&>(etl::move(u3)));
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<TFL&>(u4));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<const TFL&>(u4));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<TFL&&>(u4));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<const TFL&&>(u4));
|
||
|
|
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<TFL&>(etl::move(u4)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstLValue, template_function_fl<const TFL&>(etl::move(u4)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<TFL&&>(etl::move(u4)));
|
||
|
|
CHECK_EQUAL(forward_like_call_type::ConstRValue, template_function_fl<const TFL&&>(etl::move(u4)));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|