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
23void
24test()
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
46int main()
47{
48    test();
49}
50