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 // unique_ptr 13 14 // unique_ptr(nullptr_t); 15 16 #include <memory> 17 #include <cassert> 18 19 // default unique_ptr ctor should only require default Deleter ctor 20 class Deleter 21 { 22 int state_; 23 24 Deleter(Deleter&); 25 Deleter& operator=(Deleter&); 26 27 public: 28 Deleter() : state_(5) {} 29 30 int state() const {return state_;} 31 32 void operator()(void*) {} 33 }; 34 35 int main() 36 { 37 { 38 std::unique_ptr<int> p(nullptr); 39 assert(p.get() == 0); 40 } 41 { 42 std::unique_ptr<int, Deleter> p(nullptr); 43 assert(p.get() == 0); 44 assert(p.get_deleter().state() == 5); 45 } 46 } 47
