pointer_deleter05.fail.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, deleter) ctor
15
16// unique_ptr(pointer, deleter) 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
46public:
47    Deleter() : state_(5) {}
48
49    int state() const {return state_;}
50
51    void operator()(A* p) {delete [] p;}
52};
53
54int main()
55{
56    B* p = new B[3];
57    std::unique_ptr<A[], Deleter> s(p, Deleter());
58}
59