//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <map> // class map // pair<iterator, bool> insert(const value_type& v); #include <map> #include <cassert> #include "min_allocator.h" int main() { { typedef std::map<int, double> M; typedef std::pair<M::iterator, bool> R; M m; R r = m.insert(M::value_type(2, 2.5)); assert(r.second); assert(r.first == m.begin()); assert(m.size() == 1); assert(r.first->first == 2); assert(r.first->second == 2.5); r = m.insert(M::value_type(1, 1.5)); assert(r.second); assert(r.first == m.begin()); assert(m.size() == 2); assert(r.first->first == 1); assert(r.first->second == 1.5); r = m.insert(M::value_type(3, 3.5)); assert(r.second); assert(r.first == prev(m.end())); assert(m.size() == 3); assert(r.first->first == 3); assert(r.first->second == 3.5); r = m.insert(M::value_type(3, 3.5)); assert(!r.second); assert(r.first == prev(m.end())); assert(m.size() == 3); assert(r.first->first == 3); assert(r.first->second == 3.5); } #if __cplusplus >= 201103L { typedef std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M; typedef std::pair<M::iterator, bool> R; M m; R r = m.insert(M::value_type(2, 2.5)); assert(r.second); assert(r.first == m.begin()); assert(m.size() == 1); assert(r.first->first == 2); assert(r.first->second == 2.5); r = m.insert(M::value_type(1, 1.5)); assert(r.second); assert(r.first == m.begin()); assert(m.size() == 2); assert(r.first->first == 1); assert(r.first->second == 1.5); r = m.insert(M::value_type(3, 3.5)); assert(r.second); assert(r.first == prev(m.end())); assert(m.size() == 3); assert(r.first->first == 3); assert(r.first->second == 3.5); r = m.insert(M::value_type(3, 3.5)); assert(!r.second); assert(r.first == prev(m.end())); assert(m.size() == 3); assert(r.first->first == 3); assert(r.first->second == 3.5); } #endif }