pointer_deleter03.pass.cpp revision c52f43e72dfcea03037729649da84c23b3beb04a
1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <memory> 11 12// unique_ptr 13 14// Test unique_ptr(pointer) ctor 15 16#include <memory> 17#include <cassert> 18 19// unique_ptr<T, D&>(pointer, d) does not requires CopyConstructible deleter 20 21struct A 22{ 23 static int count; 24 A() {++count;} 25 A(const A&) {++count;} 26 ~A() {--count;} 27}; 28 29int A::count = 0; 30 31class Deleter 32{ 33 int state_; 34 35 Deleter(const Deleter&); 36 Deleter& operator=(const Deleter&); 37public: 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 47int main() 48{ 49 { 50 A* p = new A; 51 assert(A::count == 1); 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