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
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <cctype>
#include <cctype>
#include <type_traits>
#include <cassert>
#ifdef isalnum
#error isalnum defined
#endif
#ifdef isalpha
#error isalpha defined
#endif
#ifdef isblank
#error isblank defined
#endif
#ifdef iscntrl
#error iscntrl defined
#endif
#ifdef isdigit
#error isdigit defined
#endif
#ifdef isgraph
#error isgraph defined
#endif
#ifdef islower
#error islower defined
#endif
#ifdef isprint
#error isprint defined
#endif
#ifdef ispunct
#error ispunct defined
#endif
#ifdef isspace
#error isspace defined
#endif
#ifdef isupper
#error isupper defined
#endif
#ifdef isxdigit
#error isxdigit defined
#endif
#ifdef tolower
#error tolower defined
#endif
#ifdef toupper
#error toupper defined
#endif
int main()
{
static_assert((std::is_same<decltype(std::isalnum(0)), int>::value), "");
static_assert((std::is_same<decltype(std::isalpha(0)), int>::value), "");
static_assert((std::is_same<decltype(std::isblank(0)), int>::value), "");
static_assert((std::is_same<decltype(std::iscntrl(0)), int>::value), "");
static_assert((std::is_same<decltype(std::isdigit(0)), int>::value), "");
static_assert((std::is_same<decltype(std::isgraph(0)), int>::value), "");
static_assert((std::is_same<decltype(std::islower(0)), int>::value), "");
static_assert((std::is_same<decltype(std::isprint(0)), int>::value), "");
static_assert((std::is_same<decltype(std::ispunct(0)), int>::value), "");
static_assert((std::is_same<decltype(std::isspace(0)), int>::value), "");
static_assert((std::is_same<decltype(std::isupper(0)), int>::value), "");
static_assert((std::is_same<decltype(std::isxdigit(0)), int>::value), "");
static_assert((std::is_same<decltype(std::tolower(0)), int>::value), "");
static_assert((std::is_same<decltype(std::toupper(0)), int>::value), "");
assert(isalnum('a'));
assert(isalpha('a'));
assert(isblank(' '));
assert(!iscntrl(' '));
assert(!isdigit('a'));
assert(isgraph('a'));
assert(islower('a'));
assert(isprint('a'));
assert(!ispunct('a'));
assert(!isspace('a'));
assert(!isupper('a'));
assert(isxdigit('a'));
assert(tolower('A') == 'a');
assert(toupper('a') == 'A');
}
|
