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 // Test unique_ptr(pointer, deleter) ctor 15 16 // unique_ptr<T[], D&>(pointer, d) does not requires CopyConstructible deleter 17 18 #include <memory> 19 #include <cassert> 20 21 struct A 22 { 23 static int count; 24 A() {++count;} 25 A(const A&) {++count;} 26 ~A() {--count;} 27 }; 28 29 int A::count = 0; 30 31 class Deleter 32 { 33 int state_; 34 35 Deleter(const Deleter&); 36 Deleter& operator=(const Deleter&); 37 public: 38 39 Deleter() : state_(5) {} 40 41 int state() const {return state_;} 42 void set_state(int s) {state_ = s;} 43 44 void operator()(A* p) {delete [] p;} 45 }; 46 47 int main() 48 { 49 { 50 A* p = new A[3]; 51 assert(A::count == 3); 52 Deleter d; 53 std::unique_ptr<A[], Deleter&> s(p, d); 54 assert(s.get() == p); 55 assert(s.get_deleter().state() == 5); 56 d.set_state(6); 57 assert(s.get_deleter().state() == 6); 58 } 59 assert(A::count == 0); 60 } 61
