1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <set> 13 14 // class set 15 16 // template <class... Args> 17 // iterator emplace_hint(const_iterator position, Args&&... args); 18 19 #include <set> 20 #include <cassert> 21 22 #include "../../Emplaceable.h" 23 #include "DefaultOnly.h" 24 #include "min_allocator.h" 25 26 int main() 27 { 28 { 29 typedef std::set<DefaultOnly> M; 30 typedef M::iterator R; 31 M m; 32 assert(DefaultOnly::count == 0); 33 R r = m.emplace_hint(m.cend()); 34 assert(r == m.begin()); 35 assert(m.size() == 1); 36 assert(*m.begin() == DefaultOnly()); 37 assert(DefaultOnly::count == 1); 38 39 r = m.emplace_hint(m.cbegin()); 40 assert(r == m.begin()); 41 assert(m.size() == 1); 42 assert(*m.begin() == DefaultOnly()); 43 assert(DefaultOnly::count == 1); 44 } 45 assert(DefaultOnly::count == 0); 46 { 47 typedef std::set<Emplaceable> M; 48 typedef M::iterator R; 49 M m; 50 R r = m.emplace_hint(m.cend()); 51 assert(r == m.begin()); 52 assert(m.size() == 1); 53 assert(*m.begin() == Emplaceable()); 54 r = m.emplace_hint(m.cend(), 2, 3.5); 55 assert(r == next(m.begin())); 56 assert(m.size() == 2); 57 assert(*r == Emplaceable(2, 3.5)); 58 r = m.emplace_hint(m.cbegin(), 2, 3.5); 59 assert(r == next(m.begin())); 60 assert(m.size() == 2); 61 assert(*r == Emplaceable(2, 3.5)); 62 } 63 { 64 typedef std::set<int> M; 65 typedef M::iterator R; 66 M m; 67 R r = m.emplace_hint(m.cend(), M::value_type(2)); 68 assert(r == m.begin()); 69 assert(m.size() == 1); 70 assert(*r == 2); 71 } 72 { 73 typedef std::set<int, std::less<int>, min_allocator<int>> M; 74 typedef M::iterator R; 75 M m; 76 R r = m.emplace_hint(m.cend(), M::value_type(2)); 77 assert(r == m.begin()); 78 assert(m.size() == 1); 79 assert(*r == 2); 80 } 81 } 82
