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135 lines
7.2 KiB
C++
135 lines
7.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <wchar.h>
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#include <wchar.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <type_traits>
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#include "test_macros.h"
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#ifndef NULL
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#error NULL not defined
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#endif
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#ifndef WCHAR_MAX
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#error WCHAR_MAX not defined
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#endif
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#ifndef WCHAR_MIN
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#error WCHAR_MIN not defined
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#endif
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#ifndef WEOF
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#error WEOF not defined
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#endif
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int main(int, char**)
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{
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// mbstate_t comes from the underlying C library; it is defined (in C99) as:
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// a complete object type other than an array type that can hold the conversion
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// state information necessary to convert between sequences of multibyte
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// characters and wide characters
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mbstate_t mb = {};
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size_t s = 0;
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tm *tm = 0;
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wint_t w = 0;
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::FILE* fp = 0;
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::va_list va;
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char* ns = 0;
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wchar_t* ws = 0;
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((void)mb); // Prevent unused warning
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((void)s); // Prevent unused warning
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((void)tm); // Prevent unused warning
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((void)w); // Prevent unused warning
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((void)fp); // Prevent unused warning
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((void)va); // Prevent unused warning
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((void)ns); // Prevent unused warning
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((void)ws); // Prevent unused warning
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static_assert((std::is_same<decltype(fwprintf(fp, L"")), int>::value), "");
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static_assert((std::is_same<decltype(fwscanf(fp, L"")), int>::value), "");
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static_assert((std::is_same<decltype(swprintf(ws, s, L"")), int>::value), "");
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static_assert((std::is_same<decltype(swscanf(L"", L"")), int>::value), "");
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static_assert((std::is_same<decltype(vfwprintf(fp, L"", va)), int>::value), "");
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static_assert((std::is_same<decltype(vfwscanf(fp, L"", va)), int>::value), "");
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static_assert((std::is_same<decltype(vswprintf(ws, s, L"", va)), int>::value), "");
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static_assert((std::is_same<decltype(vswscanf(L"", L"", va)), int>::value), "");
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static_assert((std::is_same<decltype(fgetwc(fp)), wint_t>::value), "");
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static_assert((std::is_same<decltype(fgetws(ws, 0, fp)), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(fputwc(L' ', fp)), wint_t>::value), "");
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static_assert((std::is_same<decltype(fputws(L"", fp)), int>::value), "");
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static_assert((std::is_same<decltype(fwide(fp, 0)), int>::value), "");
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static_assert((std::is_same<decltype(getwc(fp)), wint_t>::value), "");
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static_assert((std::is_same<decltype(putwc(L' ', fp)), wint_t>::value), "");
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static_assert((std::is_same<decltype(ungetwc(L' ', fp)), wint_t>::value), "");
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static_assert((std::is_same<decltype(wcstod(L"", (wchar_t**)0)), double>::value), "");
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static_assert((std::is_same<decltype(wcstof(L"", (wchar_t**)0)), float>::value), "");
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static_assert((std::is_same<decltype(wcstold(L"", (wchar_t**)0)), long double>::value), "");
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static_assert((std::is_same<decltype(wcstol(L"", (wchar_t**)0, 0)), long>::value), "");
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static_assert((std::is_same<decltype(wcstoll(L"", (wchar_t**)0, 0)), long long>::value), "");
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static_assert((std::is_same<decltype(wcstoul(L"", (wchar_t**)0, 0)), unsigned long>::value), "");
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static_assert((std::is_same<decltype(wcstoull(L"", (wchar_t**)0, 0)), unsigned long long>::value), "");
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static_assert((std::is_same<decltype(wcscpy(ws, L"")), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcsncpy(ws, L"", s)), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcscat(ws, L"")), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcsncat(ws, L"", s)), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcscmp(L"", L"")), int>::value), "");
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static_assert((std::is_same<decltype(wcscoll(L"", L"")), int>::value), "");
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static_assert((std::is_same<decltype(wcsncmp(L"", L"", s)), int>::value), "");
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static_assert((std::is_same<decltype(wcsxfrm(ws, L"", s)), size_t>::value), "");
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static_assert((std::is_same<decltype(wcschr((wchar_t*)0, L' ')), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcscspn(L"", L"")), size_t>::value), "");
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static_assert((std::is_same<decltype(wcslen(L"")), size_t>::value), "");
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static_assert((std::is_same<decltype(wcspbrk((wchar_t*)0, L"")), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcsrchr((wchar_t*)0, L' ')), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcsspn(L"", L"")), size_t>::value), "");
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static_assert((std::is_same<decltype(wcsstr((wchar_t*)0, L"")), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcstok(ws, L"", (wchar_t**)0)), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wmemchr((wchar_t*)0, L' ', s)), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wmemcmp(L"", L"", s)), int>::value), "");
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static_assert((std::is_same<decltype(wmemcpy(ws, L"", s)), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wmemmove(ws, L"", s)), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wmemset(ws, L' ', s)), wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcsftime(ws, s, L"", tm)), size_t>::value), "");
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static_assert((std::is_same<decltype(btowc(0)), wint_t>::value), "");
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static_assert((std::is_same<decltype(wctob(w)), int>::value), "");
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static_assert((std::is_same<decltype(mbsinit(&mb)), int>::value), "");
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static_assert((std::is_same<decltype(mbrlen("", s, &mb)), size_t>::value), "");
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static_assert((std::is_same<decltype(mbrtowc(ws, "", s, &mb)), size_t>::value), "");
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static_assert((std::is_same<decltype(wcrtomb(ns, L' ', &mb)), size_t>::value), "");
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static_assert((std::is_same<decltype(mbsrtowcs(ws, (const char**)0, s, &mb)), size_t>::value), "");
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static_assert((std::is_same<decltype(wcsrtombs(ns, (const wchar_t**)0, s, &mb)), size_t>::value), "");
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// These tests fail on systems whose C library doesn't provide a correct overload
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// set for wcschr, wcspbrk, wcsrchr, wcsstr, and wmemchr, unless the compiler is
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// a suitably recent version of Clang.
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#if !defined(__APPLE__) || defined(_LIBCPP_PREFERRED_OVERLOAD)
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static_assert((std::is_same<decltype(wcschr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcspbrk((const wchar_t*)0, L"")), const wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcsrchr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wcsstr((const wchar_t*)0, L"")), const wchar_t*>::value), "");
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static_assert((std::is_same<decltype(wmemchr((const wchar_t*)0, L' ', s)), const wchar_t*>::value), "");
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#endif
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#ifndef _LIBCPP_HAS_NO_STDIN
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static_assert((std::is_same<decltype(getwchar()), wint_t>::value), "");
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static_assert((std::is_same<decltype(vwscanf(L"", va)), int>::value), "");
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static_assert((std::is_same<decltype(wscanf(L"")), int>::value), "");
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#endif
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#ifndef _LIBCPP_HAS_NO_STDOUT
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static_assert((std::is_same<decltype(putwchar(L' ')), wint_t>::value), "");
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static_assert((std::is_same<decltype(vwprintf(L"", va)), int>::value), "");
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static_assert((std::is_same<decltype(wprintf(L"")), int>::value), "");
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#endif
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return 0;
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}
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