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52066eae | 1 | // { dg-do run { target c++14 } } |
930d5602 | 2 | |
83ffe9cd | 3 | // Copyright (C) 2015-2023 Free Software Foundation, Inc. |
930d5602 FY |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | // 8.2.1 Class template shared_ptr [memory.smartptr.shared] | |
21 | ||
22 | #include <experimental/memory> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | struct A | |
26 | { | |
27 | virtual ~A() { } | |
28 | }; | |
29 | ||
30 | struct B : A | |
31 | { | |
32 | }; | |
33 | ||
34 | // 20.8.2.2.7 shared_ptr comparison | |
35 | ||
36 | int | |
37 | test01() | |
38 | { | |
930d5602 FY |
39 | // test empty shared_ptrs compare equivalent |
40 | std::experimental::shared_ptr<A[5]> p1; | |
41 | std::experimental::shared_ptr<B[5]> p2; | |
42 | VERIFY( p1 == p2 ); | |
43 | VERIFY( !(p1 != p2) ); | |
44 | VERIFY( !(p1 < p2) && !(p2 < p1) ); | |
45 | return 0; | |
46 | } | |
47 | ||
48 | int | |
49 | test02() | |
50 | { | |
930d5602 FY |
51 | std::experimental::shared_ptr<A[5]> A_default; |
52 | ||
53 | std::experimental::shared_ptr<A[5]> A_from_A(new A[5]); | |
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::experimental::shared_ptr<B[5]> B_from_B(new B[5]); | |
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 | ||
8a9ff71f JW |
76 | void |
77 | test03() | |
78 | { | |
79 | std::experimental::shared_ptr<A[5]> a(new A[5]); | |
80 | VERIFY( nullptr < a ); | |
81 | } | |
82 | ||
930d5602 FY |
83 | int |
84 | main() | |
85 | { | |
8a9ff71f JW |
86 | test01(); |
87 | test02(); | |
88 | test03(); | |
930d5602 FY |
89 | return 0; |
90 | } |