libstdc++-v3/testsuite/experimental/filesystem/iterators/97731.cc

   1 // Copyright (C) 2020-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-DUSE_FILESYSTEM_TS -lstdc++fs" }
  19 // { dg-do run { target c++11 } }
  20 // { dg-require-filesystem-ts "" }
  21
  22 #include <experimental/filesystem>
  23 #include <cerrno>
  24 #include <testsuite_hooks.h>
  25
  26 bool used_custom_readdir = false;
  27
  28 extern "C" void* readdir(void*)
  29 {
  30   used_custom_readdir = true;
  31   errno = EIO;
  32   return nullptr;
  33 }
  34
  35 void
  36 test01()
  37 {
  38   using std::experimental::filesystem::recursive_directory_iterator;
  39   std::error_code ec;
  40   recursive_directory_iterator it(".", ec);
  41   if (used_custom_readdir)
  42     VERIFY( ec.value() == EIO );
  43 }
  44
  45 int
  46 main()
  47 {
  48   test01();
  49 }