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 // UNSUPPORTED: 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 37 int main(int, char**) { 38 std::mbstate_t mb = {}; 39 std::size_t s = 0; 40 std::tm* tm = 0; 41 std::wint_t w = 0; 42 ::FILE* fp = 0; 43 std::va_list va; 44 45 char* ns = 0; 46 wchar_t* ws = 0; 47 const wchar_t* cws = 0; 48 wchar_t** wsp = 0; 49 50 ((void)mb); // Prevent unused warning 51 ((void)s); // Prevent unused warning 52 ((void)tm); // Prevent unused warning 53 ((void)w); // Prevent unused warning 54 ((void)fp); // Prevent unused warning 55 ((void)va); // Prevent unused warning 56 ((void)ns); // Prevent unused warning 57 ((void)ws); // Prevent unused warning 58 ((void)cws); // Prevent unused warning 59 ((void)wsp); // Prevent unused warning 60 61 ASSERT_SAME_TYPE(int, decltype(std::fwprintf(fp, L""))); 62 ASSERT_SAME_TYPE(int, decltype(std::fwscanf(fp, L""))); 63 ASSERT_SAME_TYPE(int, decltype(std::swprintf(ws, s, L""))); 64 ASSERT_SAME_TYPE(int, decltype(std::swscanf(L"", L""))); 65 ASSERT_SAME_TYPE(int, decltype(std::vfwprintf(fp, L"", va))); 66 ASSERT_SAME_TYPE(int, decltype(std::vfwscanf(fp, L"", va))); 67 ASSERT_SAME_TYPE(int, decltype(std::vswprintf(ws, s, L"", va))); 68 ASSERT_SAME_TYPE(int, decltype(std::vswscanf(L"", L"", va))); 69 ASSERT_SAME_TYPE(std::wint_t, decltype(std::fgetwc(fp))); 70 ASSERT_SAME_TYPE(wchar_t*, decltype(std::fgetws(ws, 0, fp))); 71 ASSERT_SAME_TYPE(std::wint_t, decltype(std::fputwc(L' ', fp))); 72 ASSERT_SAME_TYPE(int, decltype(std::fputws(L"", fp))); 73 ASSERT_SAME_TYPE(int, decltype(std::fwide(fp, 0))); 74 ASSERT_SAME_TYPE(std::wint_t, decltype(std::getwc(fp))); 75 ASSERT_SAME_TYPE(std::wint_t, decltype(std::putwc(L' ', fp))); 76 ASSERT_SAME_TYPE(std::wint_t, decltype(std::ungetwc(L' ', fp))); 77 ASSERT_SAME_TYPE(double, decltype(std::wcstod(L"", wsp))); 78 ASSERT_SAME_TYPE(float, decltype(std::wcstof(L"", wsp))); 79 ASSERT_SAME_TYPE(long double, decltype(std::wcstold(L"", wsp))); 80 ASSERT_SAME_TYPE(long, decltype(std::wcstol(L"", wsp, 0))); 81 ASSERT_SAME_TYPE(long long, decltype(std::wcstoll(L"", wsp, 0))); 82 ASSERT_SAME_TYPE(unsigned long, decltype(std::wcstoul(L"", wsp, 0))); 83 ASSERT_SAME_TYPE(unsigned long long, decltype(std::wcstoull(L"", wsp, 0))); 84 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcscpy(ws, L""))); 85 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsncpy(ws, L"", s))); 86 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcscat(ws, L""))); 87 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsncat(ws, L"", s))); 88 ASSERT_SAME_TYPE(int, decltype(std::wcscmp(L"", L""))); 89 ASSERT_SAME_TYPE(int, decltype(std::wcscoll(L"", L""))); 90 ASSERT_SAME_TYPE(int, decltype(std::wcsncmp(L"", L"", s))); 91 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsxfrm(ws, L"", s))); 92 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcschr(ws, L' '))); 93 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcschr(cws, L' '))); 94 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcscspn(L"", L""))); 95 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcslen(L""))); 96 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcspbrk(ws, L""))); 97 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcspbrk(cws, L""))); 98 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsrchr(ws, L' '))); 99 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcsrchr(cws, L' '))); 100 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsspn(L"", L""))); 101 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsstr(ws, L""))); 102 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcsstr(cws, L""))); 103 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcstok(ws, L"", wsp))); 104 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemchr(ws, L' ', s))); 105 ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wmemchr(cws, L' ', s))); 106 ASSERT_SAME_TYPE(int, decltype(std::wmemcmp(L"", L"", s))); 107 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemcpy(ws, L"", s))); 108 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemmove(ws, L"", s))); 109 ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemset(ws, L' ', s))); 110 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsftime(ws, s, L"", tm))); 111 ASSERT_SAME_TYPE(wint_t, decltype(std::btowc(0))); 112 ASSERT_SAME_TYPE(int, decltype(std::wctob(w))); 113 ASSERT_SAME_TYPE(int, decltype(std::mbsinit(&mb))); 114 ASSERT_SAME_TYPE(std::size_t, decltype(std::mbrlen("", s, &mb))); 115 ASSERT_SAME_TYPE(std::size_t, decltype(std::mbrtowc(ws, "", s, &mb))); 116 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcrtomb(ns, L' ', &mb))); 117 ASSERT_SAME_TYPE(std::size_t, decltype(std::mbsrtowcs(ws, (const char**)0, s, &mb))); 118 ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsrtombs(ns, (const wchar_t**)0, s, &mb))); 119 120 ASSERT_SAME_TYPE(std::wint_t, decltype(std::getwchar())); 121 ASSERT_SAME_TYPE(int, decltype(std::vwscanf(L"", va))); 122 ASSERT_SAME_TYPE(int, decltype(std::wscanf(L""))); 123 124 ASSERT_SAME_TYPE(std::wint_t, decltype(std::putwchar(L' '))); 125 ASSERT_SAME_TYPE(int, decltype(std::vwprintf(L"", va))); 126 ASSERT_SAME_TYPE(int, decltype(std::wprintf(L""))); 127 128 return 0; 129 } 130