emplace_hint.pass.cpp revision 635ce1d127b617ae194b8aef03f52e810a6b6eff
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 multimap 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class... Args> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// iterator emplace_hint(const_iterator position, Args&&... args); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <map> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../Emplaceable.h" 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../DefaultOnly.h" 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 2573d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::multimap<int, DefaultOnly> M; 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef M::iterator R; 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant M m; 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 0); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant R r = m.emplace_hint(m.cend()); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r == m.begin()); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 1); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 0); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == DefaultOnly()); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 1); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant r = m.emplace_hint(m.cend(), 1); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r == next(m.begin())); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 2); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(next(m.begin())->first == 1); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(next(m.begin())->second == DefaultOnly()); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 2); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant r = m.emplace_hint(m.cend(), 1); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r == next(m.begin(), 2)); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 3); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(next(m.begin(), 2)->first == 1); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(next(m.begin(), 2)->second == DefaultOnly()); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 3); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(DefaultOnly::count == 0); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::multimap<int, Emplaceable> M; 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef M::iterator R; 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant M m; 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant R r = m.emplace_hint(m.cend(), 2); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r == m.begin()); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 1); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 2); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == Emplaceable()); 60635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant r = m.emplace_hint(m.cbegin(), std::piecewise_construct, 61635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant std::forward_as_tuple(1), 62635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant std::forward_as_tuple(2, 3.5)); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r == m.begin()); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 2); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 1); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == Emplaceable(2, 3.5)); 67635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant r = m.emplace_hint(m.cbegin(), std::piecewise_construct, 68635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant std::forward_as_tuple(1), 69635ce1d127b617ae194b8aef03f52e810a6b6effHoward Hinnant std::forward_as_tuple(3, 3.5)); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r == m.begin()); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 3); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r->first == 1); 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r->second == Emplaceable(3, 3.5)); 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::multimap<int, double> M; 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef M::iterator R; 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant M m; 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant R r = m.emplace_hint(m.cend(), M::value_type(2, 3.5)); 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(r == m.begin()); 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 1); 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->first == 2); 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.begin()->second == 3.5); 84bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 8573d21a4f0774d3fadab98e690619a359cfb160a3Howard Hinnant#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 86bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 87