1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <cwctype>
11
12#include <cwctype>
13#include <type_traits>
14
15#ifndef WEOF
16#error WEOF not defined
17#endif
18
19#ifdef iswalnum
20#error iswalnum defined
21#endif
22
23#ifdef iswalpha
24#error iswalpha defined
25#endif
26
27#ifdef iswblank
28#error iswblank defined
29#endif
30
31#ifdef iswcntrl
32#error iswcntrl defined
33#endif
34
35#ifdef iswdigit
36#error iswdigit defined
37#endif
38
39#ifdef iswgraph
40#error iswgraph defined
41#endif
42
43#ifdef iswlower
44#error iswlower defined
45#endif
46
47#ifdef iswprint
48#error iswprint defined
49#endif
50
51#ifdef iswpunct
52#error iswpunct defined
53#endif
54
55#ifdef iswspace
56#error iswspace defined
57#endif
58
59#ifdef iswupper
60#error iswupper defined
61#endif
62
63#ifdef iswxdigit
64#error iswxdigit defined
65#endif
66
67#ifdef iswctype
68#error iswctype defined
69#endif
70
71#ifdef wctype
72#error wctype defined
73#endif
74
75#ifdef towlower
76#error towlower defined
77#endif
78
79#ifdef towupper
80#error towupper defined
81#endif
82
83#ifdef towctrans
84#error towctrans defined
85#endif
86
87#ifdef wctrans
88#error wctrans defined
89#endif
90
91int main()
92{
93    std::wint_t w = 0;
94    std::wctrans_t wctr = 0;
95    std::wctype_t wct = 0;
96    static_assert((std::is_same<decltype(std::iswalnum(w)), int>::value), "");
97    static_assert((std::is_same<decltype(std::iswalpha(w)), int>::value), "");
98    static_assert((std::is_same<decltype(std::iswblank(w)), int>::value), "");
99    static_assert((std::is_same<decltype(std::iswcntrl(w)), int>::value), "");
100    static_assert((std::is_same<decltype(std::iswdigit(w)), int>::value), "");
101    static_assert((std::is_same<decltype(std::iswgraph(w)), int>::value), "");
102    static_assert((std::is_same<decltype(std::iswlower(w)), int>::value), "");
103    static_assert((std::is_same<decltype(std::iswprint(w)), int>::value), "");
104    static_assert((std::is_same<decltype(std::iswpunct(w)), int>::value), "");
105    static_assert((std::is_same<decltype(std::iswspace(w)), int>::value), "");
106    static_assert((std::is_same<decltype(std::iswupper(w)), int>::value), "");
107    static_assert((std::is_same<decltype(std::iswxdigit(w)), int>::value), "");
108    static_assert((std::is_same<decltype(std::iswctype(w, wct)), int>::value), "");
109    static_assert((std::is_same<decltype(std::wctype("")), std::wctype_t>::value), "");
110    static_assert((std::is_same<decltype(std::towlower(w)), std::wint_t>::value), "");
111    static_assert((std::is_same<decltype(std::towupper(w)), std::wint_t>::value), "");
112    static_assert((std::is_same<decltype(std::towctrans(w, wctr)), std::wint_t>::value), "");
113    static_assert((std::is_same<decltype(std::wctrans("")), std::wctrans_t>::value), "");
114}
115