1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <memory>
10 
11 // template <class X> class auto_ptr;
12 
13 // void reset(X* p=0) throw();
14 
15 // REQUIRES: c++03 || c++11 || c++14
16 
17 #define _LIBCPP_DISABLE_DEPRECATION_WARNINGS
18 
19 #include <memory>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 #include "../A.h"
24 
25 void
test()26 test()
27 {
28     {
29     A* p = new A(1);
30     std::auto_ptr<A> ap(p);
31     ap.reset();
32     assert(ap.get() == 0);
33     assert(A::count == 0);
34     }
35     assert(A::count == 0);
36     {
37     A* p = new A(1);
38     std::auto_ptr<A> ap(p);
39     ap.reset(p);
40     assert(ap.get() == p);
41     assert(A::count == 1);
42     }
43     assert(A::count == 0);
44     {
45     A* p = new A(1);
46     std::auto_ptr<A> ap(p);
47     A* p2 = new A(2);
48     ap.reset(p2);
49     assert(ap.get() == p2);
50     assert(A::count == 1);
51     }
52     assert(A::count == 0);
53 }
54 
main(int,char **)55 int main(int, char**)
56 {
57     test();
58 
59   return 0;
60 }
61