//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // class map // template // pair emplace(Args&&... args); #include #include #include "../../../Emplaceable.h" #include "../../../DefaultOnly.h" int main() { #ifdef _LIBCPP_MOVE { typedef std::map M; typedef std::pair R; M m; assert(DefaultOnly::count == 0); R r = m.emplace(); assert(r.second); assert(r.first == m.begin()); assert(m.size() == 1); assert(m.begin()->first == 0); assert(m.begin()->second == DefaultOnly()); assert(DefaultOnly::count == 1); r = m.emplace(1); assert(r.second); assert(r.first == next(m.begin())); assert(m.size() == 2); assert(next(m.begin())->first == 1); assert(next(m.begin())->second == DefaultOnly()); assert(DefaultOnly::count == 2); r = m.emplace(1); assert(!r.second); assert(r.first == next(m.begin())); assert(m.size() == 2); assert(next(m.begin())->first == 1); assert(next(m.begin())->second == DefaultOnly()); assert(DefaultOnly::count == 2); } assert(DefaultOnly::count == 0); { typedef std::map M; typedef std::pair R; M m; R r = m.emplace(2); assert(r.second); assert(r.first == m.begin()); assert(m.size() == 1); assert(m.begin()->first == 2); assert(m.begin()->second == Emplaceable()); r = m.emplace(1, 2, 3.5); assert(r.second); assert(r.first == m.begin()); assert(m.size() == 2); assert(m.begin()->first == 1); assert(m.begin()->second == Emplaceable(2, 3.5)); r = m.emplace(1, 2, 3.5); assert(!r.second); assert(r.first == m.begin()); assert(m.size() == 2); assert(m.begin()->first == 1); assert(m.begin()->second == Emplaceable(2, 3.5)); } { typedef std::map M; typedef std::pair R; M m; R r = m.emplace(M::value_type(2, 3.5)); assert(r.second); assert(r.first == m.begin()); assert(m.size() == 1); assert(m.begin()->first == 2); assert(m.begin()->second == 3.5); } #endif // _LIBCPP_MOVE }