1// Copyright (C) 2005, 2009 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 3, 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 COPYING3.  If not see
16// <http://www.gnu.org/licenses/>.
17
18// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
19
20#include <tr1/memory>
21#include <testsuite_hooks.h>
22
23struct A
24{
25  virtual ~A() { }
26};
27
28struct B : A
29{
30};
31
32// 2.2.3.6 shared_ptr comparison [tr.util.smartptr.shared.cmp]
33
34int
35test01()
36{
37    // test empty shared_ptrs compare equivalent
38    std::tr1::shared_ptr<A> p1;
39    std::tr1::shared_ptr<B> p2;
40    VERIFY( p1 == p2 );
41    VERIFY( !(p1 != p2) );
42    VERIFY( !(p1 < p2) && !(p2 < p1) );
43    return 0;
44}
45
46
47// Construction from pointer
48int
49test02()
50{
51  std::tr1::shared_ptr<A> A_default;
52
53  std::tr1::shared_ptr<A> A_from_A(new A);
54  VERIFY( A_default != A_from_A );
55  VERIFY( !(A_default == A_from_A) );
56  VERIFY( (A_default < A_from_A) || (A_from_A < A_default) );
57
58  std::tr1::shared_ptr<B> B_from_B(new B);
59  VERIFY( B_from_B != A_from_A );
60  VERIFY( !(B_from_B == A_from_A) );
61  VERIFY( (B_from_B < A_from_A) || (A_from_A < B_from_B) );
62
63  A_from_A.reset();
64  VERIFY( A_default == A_from_A );
65  VERIFY( !(A_default != A_from_A) );
66  VERIFY( !(A_default < A_from_A) && !(A_from_A < A_default) );
67
68  B_from_B.reset();
69  VERIFY( B_from_B == A_from_A );
70  VERIFY( !(B_from_B != A_from_A) );
71  VERIFY( !(B_from_B < A_from_A) && !(A_from_A < B_from_B) );
72
73  return 0;
74}
75
76int
77main()
78{
79  test01();
80  test02();
81  return 0;
82}
83