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 // <memory> 11 12 // shared_ptr 13 14 // template<class T, class U> bool operator<(const shared_ptr<T>& a, const shared_ptr<U>& b); 15 16 #include <memory> 17 #include <cassert> 18 19 void do_nothing(int*) {} 20 21 int main() 22 { 23 int* ptr1(new int); 24 int* ptr2(new int); 25 const std::shared_ptr<int> p1(ptr1); 26 const std::shared_ptr<int> p2(ptr2); 27 const std::shared_ptr<int> p3(ptr2, do_nothing); 28 assert((p1 < p2) == (ptr1 < ptr2)); 29 assert(!(p2 < p3) && !(p3 < p2)); 30 } 31
