1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <cwchar>
10
11 // XFAIL: no-wide-characters
12
13 #include <cwchar>
14 #include <ctime>
15 #include <cstdarg>
16 #include <cstdio>
17 #include <type_traits>
18
19 #include "test_macros.h"
20
21 #ifndef NULL
22 #error NULL not defined
23 #endif
24
25 #ifndef WCHAR_MAX
26 #error WCHAR_MAX not defined
27 #endif
28
29 #ifndef WCHAR_MIN
30 #error WCHAR_MIN not defined
31 #endif
32
33 #ifndef WEOF
34 #error WEOF not defined
35 #endif
36
main(int,char **)37 int main(int, char**)
38 {
39 std::mbstate_t mb = {};
40 std::size_t s = 0;
41 std::tm *tm = 0;
42 std::wint_t w = 0;
43 ::FILE* fp = 0;
44 std::va_list va;
45
46 char* ns = 0;
47 wchar_t* ws = 0;
48 const wchar_t* cws = 0;
49 wchar_t** wsp = 0;
50
51 ((void)mb); // Prevent unused warning
52 ((void)s); // Prevent unused warning
53 ((void)tm); // Prevent unused warning
54 ((void)w); // Prevent unused warning
55 ((void)fp); // Prevent unused warning
56 ((void)va); // Prevent unused warning
57 ((void)ns); // Prevent unused warning
58 ((void)ws); // Prevent unused warning
59 ((void)cws); // Prevent unused warning
60 ((void)wsp); // Prevent unused warning
61
62 ASSERT_SAME_TYPE(int, decltype(std::fwprintf(fp, L"")));
63 ASSERT_SAME_TYPE(int, decltype(std::fwscanf(fp, L"")));
64 ASSERT_SAME_TYPE(int, decltype(std::swprintf(ws, s, L"")));
65 ASSERT_SAME_TYPE(int, decltype(std::swscanf(L"", L"")));
66 ASSERT_SAME_TYPE(int, decltype(std::vfwprintf(fp, L"", va)));
67 ASSERT_SAME_TYPE(int, decltype(std::vfwscanf(fp, L"", va)));
68 ASSERT_SAME_TYPE(int, decltype(std::vswprintf(ws, s, L"", va)));
69 ASSERT_SAME_TYPE(int, decltype(std::vswscanf(L"", L"", va)));
70 ASSERT_SAME_TYPE(std::wint_t, decltype(std::fgetwc(fp)));
71 ASSERT_SAME_TYPE(wchar_t*, decltype(std::fgetws(ws, 0, fp)));
72 ASSERT_SAME_TYPE(std::wint_t, decltype(std::fputwc(L' ', fp)));
73 ASSERT_SAME_TYPE(int, decltype(std::fputws(L"", fp)));
74 ASSERT_SAME_TYPE(int, decltype(std::fwide(fp, 0)));
75 ASSERT_SAME_TYPE(std::wint_t, decltype(std::getwc(fp)));
76 ASSERT_SAME_TYPE(std::wint_t, decltype(std::putwc(L' ', fp)));
77 ASSERT_SAME_TYPE(std::wint_t, decltype(std::ungetwc(L' ', fp)));
78 ASSERT_SAME_TYPE(double, decltype(std::wcstod(L"", wsp)));
79 ASSERT_SAME_TYPE(float, decltype(std::wcstof(L"", wsp)));
80 ASSERT_SAME_TYPE(long double, decltype(std::wcstold(L"", wsp)));
81 ASSERT_SAME_TYPE(long, decltype(std::wcstol(L"", wsp, 0)));
82 ASSERT_SAME_TYPE(long long, decltype(std::wcstoll(L"", wsp, 0)));
83 ASSERT_SAME_TYPE(unsigned long, decltype(std::wcstoul(L"", wsp, 0)));
84 ASSERT_SAME_TYPE(unsigned long long, decltype(std::wcstoull(L"", wsp, 0)));
85 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcscpy(ws, L"")));
86 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsncpy(ws, L"", s)));
87 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcscat(ws, L"")));
88 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsncat(ws, L"", s)));
89 ASSERT_SAME_TYPE(int, decltype(std::wcscmp(L"", L"")));
90 ASSERT_SAME_TYPE(int, decltype(std::wcscoll(L"", L"")));
91 ASSERT_SAME_TYPE(int, decltype(std::wcsncmp(L"", L"", s)));
92 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsxfrm(ws, L"", s)));
93 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcschr(ws, L' ')));
94 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcschr(cws, L' ')));
95 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcscspn(L"", L"")));
96 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcslen(L"")));
97 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcspbrk(ws, L"")));
98 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcspbrk(cws, L"")));
99 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsrchr(ws, L' ')));
100 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcsrchr(cws, L' ')));
101 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsspn(L"", L"")));
102 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsstr(ws, L"")));
103 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcsstr(cws, L"")));
104 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcstok(ws, L"", wsp)));
105 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemchr(ws, L' ', s)));
106 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wmemchr(cws, L' ', s)));
107 ASSERT_SAME_TYPE(int, decltype(std::wmemcmp(L"", L"", s)));
108 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemcpy(ws, L"", s)));
109 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemmove(ws, L"", s)));
110 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemset(ws, L' ', s)));
111 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsftime(ws, s, L"", tm)));
112 ASSERT_SAME_TYPE(wint_t, decltype(std::btowc(0)));
113 ASSERT_SAME_TYPE(int, decltype(std::wctob(w)));
114 ASSERT_SAME_TYPE(int, decltype(std::mbsinit(&mb)));
115 ASSERT_SAME_TYPE(std::size_t, decltype(std::mbrlen("", s, &mb)));
116 ASSERT_SAME_TYPE(std::size_t, decltype(std::mbrtowc(ws, "", s, &mb)));
117 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcrtomb(ns, L' ', &mb)));
118 ASSERT_SAME_TYPE(std::size_t, decltype(std::mbsrtowcs(ws, (const char**)0, s, &mb)));
119 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsrtombs(ns, (const wchar_t**)0, s, &mb)));
120
121 ASSERT_SAME_TYPE(std::wint_t, decltype(std::getwchar()));
122 ASSERT_SAME_TYPE(int, decltype(std::vwscanf(L"", va)));
123 ASSERT_SAME_TYPE(int, decltype(std::wscanf(L"")));
124
125 ASSERT_SAME_TYPE(std::wint_t, decltype(std::putwchar(L' ')));
126 ASSERT_SAME_TYPE(int, decltype(std::vwprintf(L"", va)));
127 ASSERT_SAME_TYPE(int, decltype(std::wprintf(L"")));
128
129 return 0;
130 }
131