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 move ctor
15 
16 // test move ctor.  Should only require a MoveConstructible deleter, or if
17 //    deleter is a reference, not even that.
18 
19 #include <memory>
20 #include <utility>
21 #include <cassert>
22 
23 #include "../../deleter.h"
24 
25 struct A
26 {
27     static int count;
AA28     A() {++count;}
AA29     A(const A&) {++count;}
~AA30     ~A() {--count;}
31 };
32 
33 int A::count = 0;
34 
main()35 int main()
36 {
37     {
38     std::unique_ptr<A[]> s(new A[3]);
39     A* p = s.get();
40     std::unique_ptr<A[]> s2 = std::move(s);
41     assert(s2.get() == p);
42     assert(s.get() == 0);
43     assert(A::count == 3);
44     }
45     assert(A::count == 0);
46     {
47     std::unique_ptr<A[], Deleter<A[]> > s(new A[3], Deleter<A[]>(5));
48     A* p = s.get();
49     std::unique_ptr<A[], Deleter<A[]> > s2 = std::move(s);
50     assert(s2.get() == p);
51     assert(s.get() == 0);
52     assert(A::count == 3);
53     assert(s2.get_deleter().state() == 5);
54     assert(s.get_deleter().state() == 0);
55     }
56     assert(A::count == 0);
57     {
58     NCDeleter<A[]> d;
59     std::unique_ptr<A[], NCDeleter<A[]>&> s(new A[3], d);
60     A* p = s.get();
61     std::unique_ptr<A[], NCDeleter<A[]>&> s2 = std::move(s);
62     assert(s2.get() == p);
63     assert(s.get() == 0);
64     assert(A::count == 3);
65     d.set_state(6);
66     assert(s2.get_deleter().state() == d.state());
67     assert(s.get_deleter().state() ==  d.state());
68     }
69     assert(A::count == 0);
70 }
71