1// Copyright (C) 2005 Free Software Foundation
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 2, or (at your option)
7// any later version.
8
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING.  If not, write to the Free
16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17// USA.
18
19// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
20
21#include <tr1/memory>
22#include <testsuite_hooks.h>
23
24struct A
25{
26  virtual ~A() { }
27};
28
29struct B : A
30{
31};
32
33// 2.2.3.6 shared_ptr comparison [tr.util.smartptr.shared.cmp]
34
35int
36test01()
37{
38    // test empty shared_ptrs compare equivalent
39    std::tr1::shared_ptr<A> p1;
40    std::tr1::shared_ptr<B> p2;
41    VERIFY( p1 == p2 );
42    VERIFY( !(p1 != p2) );
43    VERIFY( !(p1 < p2) && !(p2 < p1) );
44    return 0;
45}
46
47
48// Construction from pointer
49int
50test02()
51{
52  std::tr1::shared_ptr<A> A_default;
53
54  std::tr1::shared_ptr<A> A_from_A(new A);
55  VERIFY( A_default != A_from_A );
56  VERIFY( !(A_default == A_from_A) );
57  VERIFY( (A_default < A_from_A) || (A_from_A < A_default) );
58
59  std::tr1::shared_ptr<B> B_from_B(new B);
60  VERIFY( B_from_B != A_from_A );
61  VERIFY( !(B_from_B == A_from_A) );
62  VERIFY( (B_from_B < A_from_A) || (A_from_A < B_from_B) );
63
64  A_from_A.reset();
65  VERIFY( A_default == A_from_A );
66  VERIFY( !(A_default != A_from_A) );
67  VERIFY( !(A_default < A_from_A) && !(A_from_A < A_default) );
68
69  B_from_B.reset();
70  VERIFY( B_from_B == A_from_A );
71  VERIFY( !(B_from_B != A_from_A) );
72  VERIFY( !(B_from_B < A_from_A) && !(A_from_A < B_from_B) );
73
74  return 0;
75}
76
77int
78main()
79{
80  test01();
81  test02();
82  return 0;
83}
84