libstdc++-v3/testsuite/27_io/filesystem/operations/create_directory.cc

   1 // Copyright (C) 2016-2020 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 "-std=gnu++17" }
  19 // { dg-do run { target c++17 } }
  20 // { dg-require-filesystem-ts "" }
  21
  22 #include <filesystem>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_fs.h>
  25
  26 namespace fs = std::filesystem;
  27
  28 void
  29 test01()
  30 {
  31   const std::error_code bad_ec = make_error_code(std::errc::invalid_argument);
  32   std::error_code ec;
  33
  34   // Test empty path.
  35   fs::path p;
  36   bool b = create_directory( p, ec );
  37   VERIFY( ec );
  38   VERIFY( !b );
  39
  40   // Test non-existent path
  41   p = __gnu_test::nonexistent_path();
  42   VERIFY( !exists(p) );
  43
  44   ec = bad_ec;
  45   b = create_directory(p, ec); // create the directory once
  46   VERIFY( !ec );
  47   VERIFY( b );
  48   VERIFY( exists(p) );
  49
  50   // Test existing path (libstdc++/71036).
  51   ec = bad_ec;
  52   b = create_directory(p, ec);
  53   VERIFY( !ec );
  54   VERIFY( !b );
  55   b = create_directory(p);
  56   VERIFY( !b );
  57
  58   remove_all(p, ec);
  59 }
  60
  61 int
  62 main()
  63 {
  64   test01();
  65 }