pointer_deleter04.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<T, const D&>(pointer, D()) should not compile
17
18#include <memory>
19#include <cassert>
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
35public:
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
45int main()
46{
47    {
48    A* p = new A[3];
49    assert(A::count == 3);
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