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// unique_ptr(pointer) ctor should not work with derived pointers
17
18#include <memory>
19#include <cassert>
20
21struct A
22{
23    static int count;
24    A() {++count;}
25    A(const A&) {++count;}
26    virtual ~A() {--count;}
27};
28
29int A::count = 0;
30
31struct B
32    : public A
33{
34    static int count;
35    B() {++count;}
36    B(const B&) {++count;}
37    virtual ~B() {--count;}
38};
39
40int B::count = 0;
41
42class Deleter
43{
44    int state_;
45
46    Deleter(Deleter&);
47    Deleter& operator=(Deleter&);
48
49public:
50    Deleter() : state_(5) {}
51
52    int state() const {return state_;}
53
54    void operator()(A* p) {delete [] p;}
55};
56
57int main()
58{
59    {
60    B* p = new B[3];
61    std::unique_ptr<A[]> s(p);
62    }
63    {
64    B* p = new B[3];
65    std::unique_ptr<A[], Deleter> s(p);
66    }
67}
68