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0402a64a | 1 | // { dg-options "-std=gnu++14" } |
2 | // { dg-do run } | |
3 | ||
f1717362 | 4 | // Copyright (C) 2015-2016 Free Software Foundation, Inc. |
0402a64a | 5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a moved_to of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <experimental/memory> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | using std::experimental::observer_ptr; | |
25 | ||
26 | void test01() | |
27 | { | |
28 | observer_ptr<int> a, b; | |
29 | VERIFY(a == b); | |
30 | } | |
31 | ||
32 | void test02() | |
33 | { | |
34 | int x[2]{}; | |
35 | observer_ptr<int> a{&x[0]}; | |
36 | observer_ptr<int> b{&x[1]}; | |
37 | VERIFY(a != b); | |
38 | VERIFY(a < b); | |
39 | VERIFY(a <= b); | |
40 | VERIFY(b >= a); | |
41 | VERIFY(b > a); | |
42 | } | |
43 | ||
44 | void test03() | |
45 | { | |
46 | int x{}; | |
47 | observer_ptr<int> a{&x}; | |
48 | observer_ptr<int> b{&x}; | |
49 | VERIFY(a == b); | |
50 | } | |
51 | ||
52 | void test04() | |
53 | { | |
54 | static constexpr int x[2]{}; | |
55 | constexpr observer_ptr<const int> a{&x[0]}; | |
56 | constexpr observer_ptr<const int> b{&x[1]}; | |
57 | VERIFY(a != b); | |
58 | VERIFY(a < b); | |
59 | VERIFY(a <= b); | |
60 | VERIFY(b >= a); | |
61 | VERIFY(b > a); | |
62 | } | |
63 | ||
64 | void test05() | |
65 | { | |
66 | static constexpr int x{}; | |
67 | constexpr observer_ptr<const int> a{&x}; | |
68 | constexpr observer_ptr<const int> b{&x}; | |
69 | VERIFY(a == b); | |
70 | } | |
71 | ||
72 | ||
73 | int main() | |
74 | { | |
75 | test01(); | |
76 | test02(); | |
77 | test03(); | |
78 | test04(); | |
79 | test05(); | |
80 | } |