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#include <memory>
17#include <utility>
18#include <cassert>
19
20struct A
21{
22    static int count;
23    A() {++count;}
24    A(const A&) {++count;}
25    virtual ~A() {--count;}
26};
27
28int A::count = 0;
29
30struct B
31    : public A
32{
33    static int count;
34    B() {++count;}
35    B(const B&) {++count;}
36    virtual ~B() {--count;}
37};
38
39int B::count = 0;
40
41int main()
42{
43    {
44    boost::unique_ptr<B[]> s(new B);
45    A* p = s.get();
46    boost::unique_ptr<A[]> s2(new A);
47    assert(A::count == 2);
48    s2 = boost::move(s);
49    assert(s2.get() == p);
50    assert(s.get() == 0);
51    assert(A::count == 1);
52    assert(B::count == 1);
53    }
54    assert(A::count == 0);
55    assert(B::count == 0);
56}
57