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 // template<class Y> auto_ptr& operator=(auto_ptr<Y>& a) throw();
15 
16 // REQUIRES: c++98 || c++03 || c++11 || c++14
17 
18 #include <memory>
19 #include <cassert>
20 
21 #include "../AB.h"
22 
23 void
test()24 test()
25 {
26     {
27     B* p1 = new B(1);
28     std::auto_ptr<B> ap1(p1);
29     A* p2 = new A(2);
30     std::auto_ptr<A> ap2(p2);
31     assert(A::count == 2);
32     assert(B::count == 1);
33     assert(ap1.get() == p1);
34     assert(ap2.get() == p2);
35     std::auto_ptr<A>& apr = ap2 = ap1;
36     assert(&apr == &ap2);
37     assert(A::count == 1);
38     assert(B::count == 1);
39     assert(ap1.get() == 0);
40     assert(ap2.get() == p1);
41     }
42     assert(A::count == 0);
43     assert(B::count == 0);
44 }
45 
main()46 int main()
47 {
48     test();
49 }
50