1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// { dg-options "-std=gnu++17" }
// { dg-do run }
// Copyright (C) 2017-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <optional>
#include <testsuite_hooks.h>
#include <string>
int main()
{
std::optional<int> o = 42;
std::optional<const int> o2 = 666;
VERIFY(o == 42);
VERIFY(o != 43);
VERIFY(o < 43);
VERIFY(o > 41);
VERIFY(o <= 43);
VERIFY(o >= 41);
VERIFY(o2 == 666);
VERIFY(o2 != 667);
VERIFY(o2 < 667);
VERIFY(o2 > 665);
VERIFY(o2 <= 667);
VERIFY(o2 >= 665);
VERIFY(42 == o);
VERIFY(43 != o);
VERIFY(41< o);
VERIFY(43 > o);
VERIFY(41 <= o);
VERIFY(43 >= o);
VERIFY(666 == o2);
VERIFY(667 != o2);
VERIFY(665 < o2);
VERIFY(667 > o2);
VERIFY(665 <= o2);
VERIFY(667 >= o2);
std::optional<std::string> os = "jones";
VERIFY(os == "jones");
VERIFY(os != "bones");
VERIFY(os < "kones");
VERIFY(os > "hones");
VERIFY(os <= "kones");
VERIFY(os >= "hones");
VERIFY("jones" == os);
VERIFY("bones" != os);
VERIFY("hones" < os);
VERIFY("kones" > os);
VERIFY("hones" <= os);
VERIFY("kones" >= os);
std::optional<int> oi = 42;
std::optional<long int> ol = 666;
VERIFY(!(oi == ol));
VERIFY(!(ol == oi));
VERIFY(oi != ol);
VERIFY(ol != oi);
}
|
