169 lines · 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-exception6//7//===----------------------------------------------------------------------===//8 9// test <cstdio>10 11#include <cstdio>12#include <type_traits>13 14#include "test_macros.h"15 16#ifndef BUFSIZ17#error BUFSIZ not defined18#endif19 20#ifndef EOF21#error EOF not defined22#endif23 24#ifndef FILENAME_MAX25#error FILENAME_MAX not defined26#endif27 28#ifndef FOPEN_MAX29#error FOPEN_MAX not defined30#endif31 32#ifndef L_tmpnam33#error L_tmpnam not defined34#endif35 36#ifndef NULL37#error NULL not defined38#endif39 40#ifndef SEEK_CUR41#error SEEK_CUR not defined42#endif43 44#ifndef SEEK_END45#error SEEK_END not defined46#endif47 48#ifndef SEEK_SET49#error SEEK_SET not defined50#endif51 52#ifndef TMP_MAX53#error TMP_MAX not defined54#endif55 56#ifndef _IOFBF57#error _IOFBF not defined58#endif59 60#ifndef _IOLBF61#error _IOLBF not defined62#endif63 64#ifndef _IONBF65#error _IONBF not defined66#endif67 68#ifndef stderr69#error stderr not defined70#endif71 72#ifndef stdin73#error stdin not defined74#endif75 76#ifndef stdout77#error stdout not defined78#endif79 80#include <cstdarg>81 82TEST_CLANG_DIAGNOSTIC_IGNORED("-Wformat-zero-length")83 84int main(int, char**)85{86 std::FILE* fp = 0;87 std::fpos_t fpos = std::fpos_t();88 std::size_t s = 0;89 char* cp = 0;90 std::va_list va;91 void const* vp = 0;92 ((void)fp); // Prevent unused warning93 ((void)fpos); // Prevent unused warning94 ((void)s); // Prevent unused warning95 ((void)cp); // Prevent unused warning96 ((void)va); // Prevent unused warning97 ((void)vp); // Prevent unused warning98 static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");99 static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");100 static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");101 static_assert((std::is_same<decltype(std::vfprintf(fp," ",va)), int>::value), "");102 static_assert((std::is_same<decltype(std::fprintf(fp," ")), int>::value), "");103 static_assert((std::is_same<decltype(std::fscanf(fp," ")), int>::value), "");104 static_assert((std::is_same<decltype(std::snprintf(cp,0," ")), int>::value), "");105 TEST_DIAGNOSTIC_PUSH106 TEST_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")107 TEST_GCC_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")108 static_assert((std::is_same<decltype(std::sprintf(cp," ")), int>::value), "");109 TEST_DIAGNOSTIC_POP110 static_assert((std::is_same<decltype(std::sscanf(""," ")), int>::value), "");111 static_assert((std::is_same<decltype(std::vfprintf(fp," ",va)), int>::value), "");112 static_assert((std::is_same<decltype(std::vfscanf(fp," ",va)), int>::value), "");113 static_assert((std::is_same<decltype(std::vsnprintf(cp,0," ",va)), int>::value), "");114 TEST_DIAGNOSTIC_PUSH115 TEST_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")116 TEST_GCC_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")117 static_assert((std::is_same<decltype(std::vsprintf(cp," ",va)), int>::value), "");118 TEST_DIAGNOSTIC_POP119 static_assert((std::is_same<decltype(std::vsscanf(""," ",va)), int>::value), "");120 static_assert((std::is_same<decltype(std::fgetc(fp)), int>::value), "");121 static_assert((std::is_same<decltype(std::fgets(cp,0,fp)), char*>::value), "");122 static_assert((std::is_same<decltype(std::fputc(0,fp)), int>::value), "");123 static_assert((std::is_same<decltype(std::fputs("",fp)), int>::value), "");124 static_assert((std::is_same<decltype(std::getc(fp)), int>::value), "");125 static_assert((std::is_same<decltype(std::putc(0,fp)), int>::value), "");126 static_assert((std::is_same<decltype(std::ungetc(0,fp)), int>::value), "");127 static_assert((std::is_same<decltype(std::fread((void*)0,0,0,fp)), std::size_t>::value), "");128 static_assert((std::is_same<decltype(std::fwrite(vp,0,0,fp)), std::size_t>::value), "");129 static_assert((std::is_same<decltype(std::fgetpos(fp, &fpos)), int>::value), "");130 static_assert((std::is_same<decltype(std::fseek(fp, 0,0)), int>::value), "");131 static_assert((std::is_same<decltype(std::fsetpos(fp, &fpos)), int>::value), "");132 static_assert((std::is_same<decltype(std::ftell(fp)), long>::value), "");133 static_assert((std::is_same<decltype(std::rewind(fp)), void>::value), "");134 static_assert((std::is_same<decltype(std::clearerr(fp)), void>::value), "");135 static_assert((std::is_same<decltype(std::feof(fp)), int>::value), "");136 static_assert((std::is_same<decltype(std::ferror(fp)), int>::value), "");137 static_assert((std::is_same<decltype(std::perror("")), void>::value), "");138 139 static_assert((std::is_same<decltype(std::fopen("", "")), std::FILE*>::value), "");140 static_assert((std::is_same<decltype(std::freopen("", "", fp)), std::FILE*>::value), "");141 static_assert((std::is_same<decltype(std::remove("")), int>::value), "");142 static_assert((std::is_same<decltype(std::rename("","")), int>::value), "");143 static_assert((std::is_same<decltype(std::tmpfile()), std::FILE*>::value), "");144 145 TEST_DIAGNOSTIC_PUSH146 TEST_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")147 TEST_GCC_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")148 static_assert((std::is_same<decltype(std::tmpnam(cp)), char*>::value), "");149 TEST_DIAGNOSTIC_POP150 151 static_assert((std::is_same<decltype(std::getchar()), int>::value), "");152#if TEST_STD_VER <= 11153 TEST_DIAGNOSTIC_PUSH154 TEST_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")155 TEST_GCC_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations")156 static_assert((std::is_same<decltype(std::gets(cp)), char*>::value), "");157 TEST_DIAGNOSTIC_POP158#endif159 static_assert((std::is_same<decltype(std::scanf(" ")), int>::value), "");160 static_assert((std::is_same<decltype(std::vscanf(" ",va)), int>::value), "");161 162 static_assert((std::is_same<decltype(std::printf(" ")), int>::value), "");163 static_assert((std::is_same<decltype(std::putchar(0)), int>::value), "");164 static_assert((std::is_same<decltype(std::puts("")), int>::value), "");165 static_assert((std::is_same<decltype(std::vprintf(" ",va)), int>::value), "");166 167 return 0;168}169