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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
// Copyright 2024 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/compat/invoke.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <boost/config.hpp>
#include <boost/config/workaround.hpp>
struct F
{
void operator()()
{
}
char operator()( char x1 ) noexcept
{
return x1;
}
int operator()( int x1, int x2 ) const
{
return 10*x1+x2;
}
double operator()( float x1, float x2, float x3 ) const noexcept
{
return 100*x1 + 10*x2 + x3;
}
};
struct X
{
};
int main()
{
using boost::compat::is_nothrow_invocable;
// nonfunction
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int, int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int, int, int> ));
// function reference
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<void(&)()> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(&)(int), char> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int(&)(int, int), int, int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<double(&)(double, double, double), float, float, float> ));
#if defined(__cpp_noexcept_function_type)
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<void(&)() noexcept> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<char(&)(int) noexcept, char> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int(&)(int, int) noexcept, int, int> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<double(&)(double, double, double) noexcept, float, float, float> ));
#endif
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<void(&)(), int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(&)(int)> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(&)(int), int, int> ));
// function pointer
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<void(*)()> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(*)(int), char> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int(*)(int, int), int, int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<double(*)(double, double, double), float, float, float> ));
#if defined(__cpp_noexcept_function_type)
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<void(*)() noexcept> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<char(*)(int) noexcept, char> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int(*)(int, int) noexcept, int, int> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<double(*)(double, double, double) noexcept, float, float, float> ));
#endif
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<void(*)(), int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(*)(int)> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(*)(int), int, int> ));
// object
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<F> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<F, int, int> ));
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1910)
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<F, char> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<F, float, float, float> ));
#endif
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<F, int, int, int, int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<F const> ));
// member function pointer
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<void(X::*)(), X> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(X::*)(int), X, char> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int(X::*)(int, int), X, int, int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<double(X::*)(double, double, double), X, float, float, float> ));
#if defined(__cpp_noexcept_function_type)
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<void(X::*)() noexcept, X> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<char(X::*)(int) noexcept, X, char> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int(X::*)(int, int) noexcept, X, int, int> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<double(X::*)(double, double, double) noexcept, X, float, float, float> ));
#endif
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<void(X::*)()> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<void(X::*)(), int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<void(X::*)(), X, int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(X::*)(int)> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(X::*)(int), int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(X::*)(int), X> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<char(X::*)(int), X, int, int> ));
// member data pointer
#if !BOOST_WORKAROUND(BOOST_MSVC, < 1910)
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int X::*, X> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int X::*, X const> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int X::*, X&> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int X::*, X const&> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int X::*, X*> ));
BOOST_TEST_TRAIT_TRUE(( is_nothrow_invocable<int X::*, X const*> ));
#endif
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int X::*> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int X::*, int> ));
BOOST_TEST_TRAIT_FALSE(( is_nothrow_invocable<int X::*, X, int> ));
return boost::report_errors();
}
|
