/
MacrosCpp20Test.cpp
63 lines (47 loc) · 2.19 KB
/
MacrosCpp20Test.cpp
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
/*
This file is part of Corrade.
Copyright © 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
2017, 2018, 2019, 2020, 2021
Vladimír Vondruš <mosra@centrum.cz>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include "Corrade/TestSuite/Tester.h"
#include "Corrade/Utility/Macros.h"
namespace Corrade { namespace Utility { namespace Test { namespace {
struct MacrosCpp20Test: TestSuite::Tester {
explicit MacrosCpp20Test();
void likelyUnlikely();
};
MacrosCpp20Test::MacrosCpp20Test() {
addTests({&MacrosCpp20Test::likelyUnlikely});
}
void MacrosCpp20Test::likelyUnlikely() {
/* The LIKELY/UNLIKELY macros are on MSVC only when compiling as C++20, and
on Clang they use the new syntax only when compiling as C++20 */
int a = 3;
/* Test that the macro can handle commas */
if CORRADE_LIKELY(std::is_same<decltype(a), int>::value && a < 5) {
a += 1;
}
/* Missugestion, but should still go through */
if CORRADE_UNLIKELY(std::is_same<decltype(a), int>::value && a < 5) {
a += 1;
}
CORRADE_COMPARE(a, 5);
}
}}}}
CORRADE_TEST_MAIN(Corrade::Utility::Test::MacrosCpp20Test)