libcxx/test/std/strings/c.strings/cwchar.pass.cpp

   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
  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 }