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 converting move assignment
15
16// test converting move assignment with reference deleters
17
18#include <memory>
19#include <utility>
20#include <cassert>
21
22#include "../deleter.h"
23
24struct A
25{
26    static int count;
27    A() {++count;}
28    A(const A&) {++count;}
29    virtual ~A() {--count;}
30};
31
32int A::count = 0;
33
34struct B
35    : public A
36{
37    static int count;
38    B() {++count;}
39    B(const B&) {++count;}
40    virtual ~B() {--count;}
41};
42
43int B::count = 0;
44
45int main()
46{
47    {
48    Deleter<B> db(5);
49    boost::unique_ptr<B[], Deleter<B>&> s(new B, db);
50    A* p = s.get();
51    Deleter<A> da(6);
52    boost::unique_ptr<A[], Deleter<A>&> s2(new A, da);
53    s2 = boost::move(s);
54    assert(s2.get() == p);
55    assert(s.get() == 0);
56    assert(A::count == 1);
57    assert(B::count == 1);
58    assert(s2.get_deleter().state() == 5);
59    }
60    assert(A::count == 0);
61    assert(B::count == 0);
62}
63