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 // auto_ptr& operator=(auto_ptr& a) 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* p1 = new A(1);
30     std::auto_ptr<A> ap1(p1);
31     A* p2 = new A(2);
32     std::auto_ptr<A> ap2(p2);
33     assert(A::count == 2);
34     assert(ap1.get() == p1);
35     assert(ap2.get() == p2);
36     std::auto_ptr<A>& apr = ap2 = ap1;
37     assert(&apr == &ap2);
38     assert(A::count == 1);
39     assert(ap1.get() == 0);
40     assert(ap2.get() == p1);
41     }
42     assert(A::count == 0);
43 }
44 
main(int,char **)45 int main(int, char**)
46 {
47     test();
48 
49   return 0;
50 }
51