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 // <map> 11 12 // class map 13 14 // bool empty() const; 15 16 #include <map> 17 #include <cassert> 18 19 #include "min_allocator.h" 20 main()21int main() 22 { 23 { 24 typedef std::map<int, double> M; 25 M m; 26 assert(m.empty()); 27 m.insert(M::value_type(1, 1.5)); 28 assert(!m.empty()); 29 m.clear(); 30 assert(m.empty()); 31 } 32 #if __cplusplus >= 201103L 33 { 34 typedef std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M; 35 M m; 36 assert(m.empty()); 37 m.insert(M::value_type(1, 1.5)); 38 assert(!m.empty()); 39 m.clear(); 40 assert(m.empty()); 41 } 42 #endif 43 } 44