emplace.pass.cpp revision 70342b99e227912742972b754ad86e75c5d7eefb
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <map> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class map 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class... Args> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// pair<iterator, bool> emplace(Args&&... args); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <map> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant#include <tuple> 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../Emplaceable.h" 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../DefaultOnly.h" 2370342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant#include "../../../min_allocator.h" 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 2773d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::map<int, DefaultOnly> M; 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<M::iterator, bool> R; 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant M m; 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 0); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant R r = m.emplace(); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.second); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.first == m.begin()); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 1); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 0); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == DefaultOnly()); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 1); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant r = m.emplace(1); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.second); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.first == next(m.begin())); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 2); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(next(m.begin())->first == 1); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(next(m.begin())->second == DefaultOnly()); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 2); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant r = m.emplace(1); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!r.second); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.first == next(m.begin())); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 2); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(next(m.begin())->first == 1); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(next(m.begin())->second == DefaultOnly()); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 2); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 0); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::map<int, Emplaceable> M; 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<M::iterator, bool> R; 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant M m; 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant R r = m.emplace(2); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.second); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.first == m.begin()); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 1); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 2); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == Emplaceable()); 66635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1), 67635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant std::forward_as_tuple(2, 3.5)); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.second); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.first == m.begin()); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 2); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 1); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == Emplaceable(2, 3.5)); 73635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1), 74635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant std::forward_as_tuple(2, 3.5)); 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!r.second); 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.first == m.begin()); 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 2); 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 1); 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == Emplaceable(2, 3.5)); 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::map<int, double> M; 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<M::iterator, bool> R; 84bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant M m; 85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant R r = m.emplace(M::value_type(2, 3.5)); 86bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.second); 87bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r.first == m.begin()); 88bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 1); 89bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 2); 90bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == 3.5); 91bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 9270342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant#if __cplusplus >= 201103L 9370342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant { 9470342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant typedef std::map<int, DefaultOnly, std::less<int>, min_allocator<std::pair<const int, DefaultOnly>>> M; 9570342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant typedef std::pair<M::iterator, bool> R; 9670342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant M m; 9770342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(DefaultOnly::count == 0); 9870342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant R r = m.emplace(); 9970342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.second); 10070342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.first == m.begin()); 10170342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.size() == 1); 10270342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->first == 0); 10370342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->second == DefaultOnly()); 10470342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(DefaultOnly::count == 1); 10570342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant r = m.emplace(1); 10670342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.second); 10770342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.first == next(m.begin())); 10870342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.size() == 2); 10970342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(next(m.begin())->first == 1); 11070342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(next(m.begin())->second == DefaultOnly()); 11170342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(DefaultOnly::count == 2); 11270342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant r = m.emplace(1); 11370342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(!r.second); 11470342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.first == next(m.begin())); 11570342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.size() == 2); 11670342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(next(m.begin())->first == 1); 11770342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(next(m.begin())->second == DefaultOnly()); 11870342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(DefaultOnly::count == 2); 11970342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant } 12070342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(DefaultOnly::count == 0); 12170342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant { 12270342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant typedef std::map<int, Emplaceable, std::less<int>, min_allocator<std::pair<const int, Emplaceable>>> M; 12370342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant typedef std::pair<M::iterator, bool> R; 12470342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant M m; 12570342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant R r = m.emplace(2); 12670342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.second); 12770342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.first == m.begin()); 12870342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.size() == 1); 12970342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->first == 2); 13070342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->second == Emplaceable()); 13170342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1), 13270342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant std::forward_as_tuple(2, 3.5)); 13370342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.second); 13470342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.first == m.begin()); 13570342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.size() == 2); 13670342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->first == 1); 13770342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->second == Emplaceable(2, 3.5)); 13870342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1), 13970342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant std::forward_as_tuple(2, 3.5)); 14070342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(!r.second); 14170342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.first == m.begin()); 14270342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.size() == 2); 14370342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->first == 1); 14470342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->second == Emplaceable(2, 3.5)); 14570342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant } 14670342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant { 14770342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant typedef std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M; 14870342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant typedef std::pair<M::iterator, bool> R; 14970342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant M m; 15070342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant R r = m.emplace(M::value_type(2, 3.5)); 15170342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.second); 15270342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(r.first == m.begin()); 15370342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.size() == 1); 15470342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->first == 2); 15570342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant assert(m.begin()->second == 3.5); 15670342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant } 15770342b99e227912742972b754ad86e75c5d7eefbHoward Hinnant#endif 15873d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 159bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 160