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 // <set> 11 12 // class multiset 13 14 // template <class... Args> 15 // iterator emplace(Args&&... args); 16 17 #include <set> 18 #include <cassert> 19 20 #include "../../Emplaceable.h" 21 #include "../../DefaultOnly.h" 22 23 int main() 24 { 25 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 26 { 27 typedef std::multiset<DefaultOnly> M; 28 typedef M::iterator R; 29 M m; 30 assert(DefaultOnly::count == 0); 31 R r = m.emplace(); 32 assert(r == m.begin()); 33 assert(m.size() == 1); 34 assert(*m.begin() == DefaultOnly()); 35 assert(DefaultOnly::count == 1); 36 37 r = m.emplace(); 38 assert(r == next(m.begin())); 39 assert(m.size() == 2); 40 assert(*m.begin() == DefaultOnly()); 41 assert(DefaultOnly::count == 2); 42 } 43 assert(DefaultOnly::count == 0); 44 { 45 typedef std::multiset<Emplaceable> M; 46 typedef M::iterator R; 47 M m; 48 R r = m.emplace(); 49 assert(r == m.begin()); 50 assert(m.size() == 1); 51 assert(*m.begin() == Emplaceable()); 52 r = m.emplace(2, 3.5); 53 assert(r == next(m.begin())); 54 assert(m.size() == 2); 55 assert(*r == Emplaceable(2, 3.5)); 56 r = m.emplace(2, 3.5); 57 assert(r == next(m.begin(), 2)); 58 assert(m.size() == 3); 59 assert(*r == Emplaceable(2, 3.5)); 60 } 61 { 62 typedef std::multiset<int> M; 63 typedef M::iterator R; 64 M m; 65 R r = m.emplace(M::value_type(2)); 66 assert(r == m.begin()); 67 assert(m.size() == 1); 68 assert(*r == 2); 69 } 70 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 71 } 72
