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_ref<X> r) throw()
15 
16 #include <memory>
17 #include <cassert>
18 
19 #include "../A.h"
20 
21 void
22 test()
23 {
24     {
25     A* p1 = new A(1);
26     std::auto_ptr<A> ap1(p1);
27     std::auto_ptr_ref<A> apr = ap1;
28     std::auto_ptr<A> ap2(new A(2));
29     ap2 = apr;
30     assert(A::count == 1);
31     assert(ap2.get() == p1);
32     assert(ap1.get() == 0);
33     }
34     assert(A::count == 0);
35 }
36 
37 int main()
38 {
39     test();
40 }
41