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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 | |
83f51799 | 16 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
7dfded91 JW |
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 | ||
24 | struct A | |
25 | { | |
26 | virtual ~A() { } | |
27 | }; | |
28 | ||
29 | struct B : A | |
30 | { | |
31 | }; | |
32 | ||
33 | // 2.2.3.6 shared_ptr comparison [tr.util.smartptr.shared.cmp] | |
34 | ||
35 | int | |
36 | test01() | |
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 | |
49 | int | |
50 | test02() | |
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 | ||
77 | int | |
78 | main() | |
79 | { | |
80 | test01(); | |
81 | test02(); | |
82 | return 0; | |
83 | } |