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) ctor
15 
16 #include <memory>
17 #include <cassert>
18 
19 // unique_ptr<T, const D&>(pointer, D()) should not compile
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 public:
36 
37     Deleter() : state_(5) {}
38 
39     int state() const {return state_;}
40     void set_state(int s) {state_ = s;}
41 
42     void operator()(A* p) const {delete p;}
43 };
44 
45 int main()
46 {
47     {
48     A* p = new A;
49     assert(A::count == 1);
50     std::unique_ptr<A, const Deleter&> s(p, Deleter());
51     assert(s.get() == p);
52     assert(s.get_deleter().state() == 5);
53     }
54     assert(A::count == 0);
55 }
56