pointer_deleter04.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b 
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) does not requires CopyConstructible deleter
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
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) const {delete [] p;}
45};
46
47int main()
48{
49    {
50    A* p = new A[3];
51    assert(A::count == 3);
52    Deleter d;
53    std::unique_ptr<A[], const Deleter&> s(p, d);
54    assert(s.get() == p);
55    assert(s.get_deleter().state() == 5);
56    }
57    assert(A::count == 0);
58}
59