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 // template <class X> class auto_ptr;
13 
14 // auto_ptr& operator=(auto_ptr& a) throw();
15 
16 // REQUIRES: c++98 || c++03 || c++11 || c++14
17 
18 #include <memory>
19 #include <cassert>
20 
21 #include "../A.h"
22 
23 void
test()24 test()
25 {
26     {
27     A* p1 = new A(1);
28     std::auto_ptr<A> ap1(p1);
29     A* p2 = new A(2);
30     std::auto_ptr<A> ap2(p2);
31     assert(A::count == 2);
32     assert(ap1.get() == p1);
33     assert(ap2.get() == p2);
34     std::auto_ptr<A>& apr = ap2 = ap1;
35     assert(&apr == &ap2);
36     assert(A::count == 1);
37     assert(ap1.get() == 0);
38     assert(ap2.get() == p1);
39     }
40     assert(A::count == 0);
41 }
42 
main()43 int main()
44 {
45     test();
46 }
47