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52066eae | 1 | // { dg-do run { target c++14 } } |
261b7e8a | 2 | |
85ec4feb | 3 | // Copyright (C) 2015-2018 Free Software Foundation, Inc. |
261b7e8a VV |
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 | ||
c7cbb4da | 16 | // You should have received a copy of the GNU General Public License along |
261b7e8a VV |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <experimental/memory> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | using std::experimental::observer_ptr; | |
24 | ||
25 | void test01() | |
26 | { | |
27 | observer_ptr<int> a, b; | |
28 | VERIFY(a == b); | |
29 | } | |
30 | ||
31 | void test02() | |
32 | { | |
33 | int x[2]{}; | |
34 | observer_ptr<int> a{&x[0]}; | |
35 | observer_ptr<int> b{&x[1]}; | |
36 | VERIFY(a != b); | |
37 | VERIFY(a < b); | |
38 | VERIFY(a <= b); | |
39 | VERIFY(b >= a); | |
40 | VERIFY(b > a); | |
41 | } | |
42 | ||
43 | void test03() | |
44 | { | |
45 | int x{}; | |
46 | observer_ptr<int> a{&x}; | |
47 | observer_ptr<int> b{&x}; | |
48 | VERIFY(a == b); | |
49 | } | |
50 | ||
51 | void test04() | |
52 | { | |
53 | static constexpr int x[2]{}; | |
54 | constexpr observer_ptr<const int> a{&x[0]}; | |
55 | constexpr observer_ptr<const int> b{&x[1]}; | |
56 | VERIFY(a != b); | |
57 | VERIFY(a < b); | |
58 | VERIFY(a <= b); | |
59 | VERIFY(b >= a); | |
60 | VERIFY(b > a); | |
61 | } | |
62 | ||
63 | void test05() | |
64 | { | |
65 | static constexpr int x{}; | |
66 | constexpr observer_ptr<const int> a{&x}; | |
67 | constexpr observer_ptr<const int> b{&x}; | |
68 | VERIFY(a == b); | |
69 | } | |
70 | ||
71 | ||
72 | int main() | |
73 | { | |
74 | test01(); | |
75 | test02(); | |
76 | test03(); | |
77 | test04(); | |
78 | test05(); | |
79 | } |