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 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
17 
18 #include <memory>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "../A.h"
23 
24 void
test()25 test()
26 {
27     {
28     A* p1 = new A(1);
29     std::auto_ptr<A> ap1(p1);
30     std::auto_ptr_ref<A> apr = ap1;
31     std::auto_ptr<A> ap2(new A(2));
32     ap2 = apr;
33     assert(A::count == 1);
34     assert(ap2.get() == p1);
35     assert(ap1.get() == 0);
36     }
37     assert(A::count == 0);
38 }
39 
main(int,char **)40 int main(int, char**)
41 {
42     test();
43 
44   return 0;
45 }
46