libcxx/test/std/depr/depr.c.headers/wchar_h.compile.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 // UNSUPPORTED: no-wide-characters
  10
  11 // <wchar.h>
  12
  13 #include <wchar.h>
  14 #include <stdarg.h>
  15 #include <stdio.h>
  16 #include <type_traits>
  17
  18 #include "test_macros.h"
  19
  20 #ifndef NULL
  21 #error NULL not defined
  22 #endif
  23
  24 #ifndef WCHAR_MAX
  25 #error WCHAR_MAX not defined
  26 #endif
  27
  28 #ifndef WCHAR_MIN
  29 #error WCHAR_MIN not defined
  30 #endif
  31
  32 #ifndef WEOF
  33 #error WEOF not defined
  34 #endif
  35
  36 // mbstate_t comes from the underlying C library; it is defined (in C99) as:
  37 //    a complete object type other than an array type that can hold the conversion
  38 //    state information necessary to convert between sequences of multibyte
  39 //    characters and wide characters
  40 mbstate_t mb = {};
  41 size_t s = 0;
  42 tm *tm = 0;
  43 wint_t w = 0;
  44 ::FILE* fp = 0;
  45 ::va_list va;
  46 char* ns = 0;
  47 wchar_t* ws = 0;
  48 const wchar_t* cws = 0;
  49 wchar_t** wsp = 0;
  50
  51 ASSERT_SAME_TYPE(int,                decltype(fwprintf(fp, L"")));
  52 ASSERT_SAME_TYPE(int,                decltype(fwscanf(fp, L"")));
  53 ASSERT_SAME_TYPE(int,                decltype(swprintf(ws, s, L"")));
  54 ASSERT_SAME_TYPE(int,                decltype(swscanf(L"", L"")));
  55 ASSERT_SAME_TYPE(int,                decltype(vfwprintf(fp, L"", va)));
  56 ASSERT_SAME_TYPE(int,                decltype(vfwscanf(fp, L"", va)));
  57 ASSERT_SAME_TYPE(int,                decltype(vswprintf(ws, s, L"", va)));
  58 ASSERT_SAME_TYPE(int,                decltype(vswscanf(L"", L"", va)));
  59 ASSERT_SAME_TYPE(wint_t,             decltype(fgetwc(fp)));
  60 ASSERT_SAME_TYPE(wchar_t*,           decltype(fgetws(ws, 0, fp)));
  61 ASSERT_SAME_TYPE(wint_t,             decltype(fputwc(L' ', fp)));
  62 ASSERT_SAME_TYPE(int,                decltype(fputws(L"", fp)));
  63 ASSERT_SAME_TYPE(int,                decltype(fwide(fp, 0)));
  64 ASSERT_SAME_TYPE(wint_t,             decltype(getwc(fp)));
  65 ASSERT_SAME_TYPE(wint_t,             decltype(putwc(L' ', fp)));
  66 ASSERT_SAME_TYPE(wint_t,             decltype(ungetwc(L' ', fp)));
  67 ASSERT_SAME_TYPE(double,             decltype(wcstod(L"", wsp)));
  68 ASSERT_SAME_TYPE(float,              decltype(wcstof(L"", wsp)));
  69 ASSERT_SAME_TYPE(long double,        decltype(wcstold(L"", wsp)));
  70 ASSERT_SAME_TYPE(long,               decltype(wcstol(L"", wsp, 0)));
  71 ASSERT_SAME_TYPE(long long,          decltype(wcstoll(L"", wsp, 0)));
  72 ASSERT_SAME_TYPE(unsigned long,      decltype(wcstoul(L"", wsp, 0)));
  73 ASSERT_SAME_TYPE(unsigned long long, decltype(wcstoull(L"", wsp, 0)));
  74 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcscpy(ws, L"")));
  75 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcsncpy(ws, L"", s)));
  76 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcscat(ws, L"")));
  77 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcsncat(ws, L"", s)));
  78 ASSERT_SAME_TYPE(int,                decltype(wcscmp(L"", L"")));
  79 ASSERT_SAME_TYPE(int,                decltype(wcscoll(L"", L"")));
  80 ASSERT_SAME_TYPE(int,                decltype(wcsncmp(L"", L"", s)));
  81 ASSERT_SAME_TYPE(size_t,             decltype(wcsxfrm(ws, L"", s)));
  82 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcschr(ws, L' ')));
  83 ASSERT_SAME_TYPE(const wchar_t*,     decltype(wcschr(cws, L' ')));
  84 ASSERT_SAME_TYPE(size_t,             decltype(wcscspn(L"", L"")));
  85 ASSERT_SAME_TYPE(size_t,             decltype(wcslen(L"")));
  86 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcspbrk(ws, L"")));
  87 ASSERT_SAME_TYPE(const wchar_t*,     decltype(wcspbrk(cws, L"")));
  88 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcsrchr(ws, L' ')));
  89 ASSERT_SAME_TYPE(const wchar_t*,     decltype(wcsrchr(cws, L' ')));
  90 ASSERT_SAME_TYPE(size_t,             decltype(wcsspn(L"", L"")));
  91 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcsstr(ws, L"")));
  92 ASSERT_SAME_TYPE(const wchar_t*,     decltype(wcsstr(cws, L"")));
  93 ASSERT_SAME_TYPE(wchar_t*,           decltype(wcstok(ws, L"", wsp)));
  94 ASSERT_SAME_TYPE(wchar_t*,           decltype(wmemchr(ws, L' ', s)));
  95 ASSERT_SAME_TYPE(const wchar_t*,     decltype(wmemchr(cws, L' ', s)));
  96 ASSERT_SAME_TYPE(int,                decltype(wmemcmp(L"", L"", s)));
  97 ASSERT_SAME_TYPE(wchar_t*,           decltype(wmemcpy(ws, L"", s)));
  98 ASSERT_SAME_TYPE(wchar_t*,           decltype(wmemmove(ws, L"", s)));
  99 ASSERT_SAME_TYPE(wchar_t*,           decltype(wmemset(ws, L' ', s)));
 100 ASSERT_SAME_TYPE(size_t,             decltype(wcsftime(ws, s, L"", tm)));
 101 ASSERT_SAME_TYPE(wint_t,             decltype(btowc(0)));
 102 ASSERT_SAME_TYPE(int,                decltype(wctob(w)));
 103 ASSERT_SAME_TYPE(int,                decltype(mbsinit(&mb)));
 104 ASSERT_SAME_TYPE(size_t,             decltype(mbrlen("", s, &mb)));
 105 ASSERT_SAME_TYPE(size_t,             decltype(mbrtowc(ws, "", s, &mb)));
 106 ASSERT_SAME_TYPE(size_t,             decltype(wcrtomb(ns, L' ', &mb)));
 107 ASSERT_SAME_TYPE(size_t,             decltype(mbsrtowcs(ws, (const char**)0, s, &mb)));
 108 ASSERT_SAME_TYPE(size_t,             decltype(wcsrtombs(ns, (const wchar_t**)0, s, &mb)));
 109 ASSERT_SAME_TYPE(wint_t,             decltype(getwchar()));
 110 ASSERT_SAME_TYPE(int,                decltype(vwscanf(L"", va)));
 111 ASSERT_SAME_TYPE(int,                decltype(wscanf(L"")));
 112 ASSERT_SAME_TYPE(wint_t,             decltype(putwchar(L' ')));
 113 ASSERT_SAME_TYPE(int,                decltype(vwprintf(L"", va)));
 114 ASSERT_SAME_TYPE(int,                decltype(wprintf(L"")));