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_ref<X> r) 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     std::auto_ptr_ref<A> apr = ap1;
32     std::auto_ptr<A> ap2(new A(2));
33     ap2 = apr;
34     assert(A::count == 1);
35     assert(ap2.get() == p1);
36     assert(ap1.get() == 0);
37     }
38     assert(A::count == 0);
39 }
40 
main(int,char **)41 int main(int, char**)
42 {
43     test();
44 
45   return 0;
46 }
47