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 // The deleter is not called if get() == 0 15 16 #include <memory> 17 #include <cassert> 18 19 class Deleter 20 { 21 int state_; 22 23 Deleter(Deleter&); 24 Deleter& operator=(Deleter&); 25 26 public: 27 Deleter() : state_(0) {} 28 29 int state() const {return state_;} 30 31 void operator()(void*) {++state_;} 32 }; 33 34 int main() 35 { 36 Deleter d; 37 assert(d.state() == 0); 38 { 39 std::unique_ptr<int[], Deleter&> p(0, d); 40 assert(p.get() == 0); 41 assert(&p.get_deleter() == &d); 42 } 43 assert(d.state() == 0); 44 } 45
