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// <cwchar>
11
12#include <cwchar>
13#include <type_traits>
14
15#ifndef NULL
16#error NULL not defined
17#endif
18
19#ifndef WCHAR_MAX
20#error WCHAR_MAX not defined
21#endif
22
23#ifndef WCHAR_MIN
24#error WCHAR_MIN not defined
25#endif
26
27#ifndef WEOF
28#error WEOF not defined
29#endif
30
31int main()
32{
33    std::mbstate_t mb = {0};
34    std::size_t s = 0;
35    std::tm *tm = 0;
36    std::wint_t w = 0;
37    ::FILE* fp = 0;
38#ifdef __APPLE__
39    __darwin_va_list va;
40#else
41    __builtin_va_list va;
42#endif
43    char* ns = 0;
44    wchar_t* ws = 0;
45    static_assert((std::is_same<decltype(std::fwprintf(fp, L"")), int>::value), "");
46    static_assert((std::is_same<decltype(std::fwscanf(fp, L"")), int>::value), "");
47    static_assert((std::is_same<decltype(std::swprintf(ws, s, L"")), int>::value), "");
48    static_assert((std::is_same<decltype(std::swscanf(L"", L"")), int>::value), "");
49    static_assert((std::is_same<decltype(std::vfwprintf(fp, L"", va)), int>::value), "");
50    static_assert((std::is_same<decltype(std::vfwscanf(fp, L"", va)), int>::value), "");
51    static_assert((std::is_same<decltype(std::vswprintf(ws, s, L"", va)), int>::value), "");
52    static_assert((std::is_same<decltype(std::vswscanf(L"", L"", va)), int>::value), "");
53    static_assert((std::is_same<decltype(std::fgetwc(fp)), std::wint_t>::value), "");
54    static_assert((std::is_same<decltype(std::fgetws(ws, 0, fp)), wchar_t*>::value), "");
55    static_assert((std::is_same<decltype(std::fputwc(L' ', fp)), std::wint_t>::value), "");
56    static_assert((std::is_same<decltype(std::fputws(L"", fp)), int>::value), "");
57    static_assert((std::is_same<decltype(std::fwide(fp, 0)), int>::value), "");
58    static_assert((std::is_same<decltype(std::getwc(fp)), std::wint_t>::value), "");
59    static_assert((std::is_same<decltype(std::putwc(L' ', fp)), std::wint_t>::value), "");
60    static_assert((std::is_same<decltype(std::ungetwc(L' ', fp)), std::wint_t>::value), "");
61    static_assert((std::is_same<decltype(std::wcstod(L"", (wchar_t**)0)), double>::value), "");
62    static_assert((std::is_same<decltype(std::wcstof(L"", (wchar_t**)0)), float>::value), "");
63    static_assert((std::is_same<decltype(std::wcstold(L"", (wchar_t**)0)), long double>::value), "");
64    static_assert((std::is_same<decltype(std::wcstol(L"", (wchar_t**)0, 0)), long>::value), "");
65    static_assert((std::is_same<decltype(std::wcstoll(L"", (wchar_t**)0, 0)), long long>::value), "");
66    static_assert((std::is_same<decltype(std::wcstoul(L"", (wchar_t**)0, 0)), unsigned long>::value), "");
67    static_assert((std::is_same<decltype(std::wcstoull(L"", (wchar_t**)0, 0)), unsigned long long>::value), "");
68    static_assert((std::is_same<decltype(std::wcscpy(ws, L"")), wchar_t*>::value), "");
69    static_assert((std::is_same<decltype(std::wcsncpy(ws, L"", s)), wchar_t*>::value), "");
70    static_assert((std::is_same<decltype(std::wcscat(ws, L"")), wchar_t*>::value), "");
71    static_assert((std::is_same<decltype(std::wcsncat(ws, L"", s)), wchar_t*>::value), "");
72    static_assert((std::is_same<decltype(std::wcscmp(L"", L"")), int>::value), "");
73    static_assert((std::is_same<decltype(std::wcscoll(L"", L"")), int>::value), "");
74    static_assert((std::is_same<decltype(std::wcsncmp(L"", L"", s)), int>::value), "");
75    static_assert((std::is_same<decltype(std::wcsxfrm(ws, L"", s)), std::size_t>::value), "");
76    static_assert((std::is_same<decltype(std::wcschr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
77    static_assert((std::is_same<decltype(std::wcschr((wchar_t*)0, L' ')), wchar_t*>::value), "");
78    static_assert((std::is_same<decltype(std::wcscspn(L"", L"")), std::size_t>::value), "");
79    static_assert((std::is_same<decltype(std::wcslen(L"")), std::size_t>::value), "");
80    static_assert((std::is_same<decltype(std::wcspbrk((const wchar_t*)0, L"")), const wchar_t*>::value), "");
81    static_assert((std::is_same<decltype(std::wcspbrk((wchar_t*)0, L"")), wchar_t*>::value), "");
82    static_assert((std::is_same<decltype(std::wcsrchr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
83    static_assert((std::is_same<decltype(std::wcsrchr((wchar_t*)0, L' ')), wchar_t*>::value), "");
84    static_assert((std::is_same<decltype(std::wcsspn(L"", L"")), std::size_t>::value), "");
85    static_assert((std::is_same<decltype(std::wcsstr((const wchar_t*)0, L"")), const wchar_t*>::value), "");
86    static_assert((std::is_same<decltype(std::wcsstr((wchar_t*)0, L"")), wchar_t*>::value), "");
87    static_assert((std::is_same<decltype(std::wcstok(ws, L"", (wchar_t**)0)), wchar_t*>::value), "");
88    static_assert((std::is_same<decltype(std::wmemchr((const wchar_t*)0, L' ', s)), const wchar_t*>::value), "");
89    static_assert((std::is_same<decltype(std::wmemchr((wchar_t*)0, L' ', s)), wchar_t*>::value), "");
90    static_assert((std::is_same<decltype(std::wmemcmp(L"", L"", s)), int>::value), "");
91    static_assert((std::is_same<decltype(std::wmemcpy(ws, L"", s)), wchar_t*>::value), "");
92    static_assert((std::is_same<decltype(std::wmemmove(ws, L"", s)), wchar_t*>::value), "");
93    static_assert((std::is_same<decltype(std::wmemset(ws, L' ', s)), wchar_t*>::value), "");
94    static_assert((std::is_same<decltype(std::wcsftime(ws, s, L"", tm)), std::size_t>::value), "");
95    static_assert((std::is_same<decltype(std::btowc(0)), wint_t>::value), "");
96    static_assert((std::is_same<decltype(std::wctob(w)), int>::value), "");
97    static_assert((std::is_same<decltype(std::mbsinit(&mb)), int>::value), "");
98    static_assert((std::is_same<decltype(std::mbrlen("", s, &mb)), std::size_t>::value), "");
99    static_assert((std::is_same<decltype(std::mbrtowc(ws, "", s, &mb)), std::size_t>::value), "");
100    static_assert((std::is_same<decltype(std::wcrtomb(ns, L' ', &mb)), std::size_t>::value), "");
101    static_assert((std::is_same<decltype(std::mbsrtowcs(ws, (const char**)0, s, &mb)), std::size_t>::value), "");
102    static_assert((std::is_same<decltype(std::wcsrtombs(ns, (const wchar_t**)0, s, &mb)), std::size_t>::value), "");
103
104#ifndef _LIBCPP_HAS_NO_STDIN
105    static_assert((std::is_same<decltype(std::getwchar()), std::wint_t>::value), "");
106    static_assert((std::is_same<decltype(std::vwscanf(L"", va)), int>::value), "");
107    static_assert((std::is_same<decltype(std::wscanf(L"")), int>::value), "");
108#endif
109
110#ifndef _LIBCPP_HAS_NO_STDOUT
111    static_assert((std::is_same<decltype(std::putwchar(L' ')), std::wint_t>::value), "");
112    static_assert((std::is_same<decltype(std::vwprintf(L"", va)), int>::value), "");
113    static_assert((std::is_same<decltype(std::wprintf(L"")), int>::value), "");
114#endif
115}
116