libstdc++-v3/testsuite/experimental/filesystem/operations/create_directories.cc

   1 // Copyright (C) 2015-2024 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 <testsuite_hooks.h>
  24 #include <testsuite_fs.h>
  25
  26 namespace fs = std::experimental::filesystem;
  27
  28 void
  29 test01()
  30 {
  31   std::error_code ec;
  32
  33   // Test empty path.
  34   bool b = fs::create_directories( "", ec );
  35   VERIFY( ec );
  36   VERIFY( !b );
  37
  38   // Test existing path.
  39   b = fs::create_directories( fs::current_path(), ec );
  40   VERIFY( !ec );
  41   VERIFY( !b );
  42
  43   // Test non-existent path.
  44   const auto p = __gnu_test::nonexistent_path();
  45   b = fs::create_directories( p, ec );
  46   VERIFY( !ec );
  47   VERIFY( b );
  48   VERIFY( is_directory(p) );
  49
  50   b = fs::create_directories( p/".", ec );
  51   VERIFY( !ec );
  52   VERIFY( !b );
  53
  54   b = fs::create_directories( p/"..", ec );
  55   VERIFY( !ec );
  56   VERIFY( !b );
  57
  58   b = fs::create_directories( p/"d1/d2/d3", ec );
  59   VERIFY( !ec );
  60   VERIFY( b );
  61   VERIFY( is_directory(p/"d1/d2/d3") );
  62
  63   b = fs::create_directories( p/"./d4/../d5", ec );
  64   VERIFY( !ec );
  65   VERIFY( b );
  66 #if defined(__MINGW32__) || defined(__MINGW64__)
  67   // create_directories("./d4/..") is a no-op, does not create "d4"
  68 #else
  69   VERIFY( is_directory(p/"d4") );
  70 #endif
  71   VERIFY( is_directory(p/"d5") );
  72   VERIFY( is_directory(p/"./d4/../d5") );
  73
  74   std::uintmax_t count = remove_all(p, ec);
  75 #if defined(__MINGW32__) || defined(__MINGW64__)
  76   VERIFY( count == 5 );
  77 #else
  78   VERIFY( count == 6 );
  79 #endif
  80 }
  81
  82 void
  83 test02()
  84 {
  85   // PR libstdc++/86910
  86   const auto p = __gnu_test::nonexistent_path();
  87   std::error_code ec;
  88   bool result;
  89
  90   {
  91     __gnu_test::scoped_file file;
  92
  93     result = create_directories(file.path, ec);
  94     VERIFY( !result );
  95     VERIFY( ec == std::errc::not_a_directory );
  96     result = create_directories(file.path / "foo", ec);
  97     VERIFY( !result );
  98     VERIFY( ec );
  99     ec.clear();
 100   }
 101
 102   create_directories(p);
 103   {
 104     __gnu_test::scoped_file dir(p, __gnu_test::scoped_file::adopt_file);
 105     __gnu_test::scoped_file file(dir.path/"file");
 106
 107     result = create_directories(file.path, ec);
 108     VERIFY( !result );
 109     VERIFY( ec == std::errc::not_a_directory );
 110     result = create_directories(file.path/"../bar", ec);
 111 #if defined(__MINGW32__) || defined(__MINGW64__)
 112     VERIFY( result );
 113     VERIFY( !ec );
 114     VERIFY( is_directory(dir.path/"bar") );
 115     remove(dir.path/"bar");
 116 #else
 117     VERIFY( !result );
 118     VERIFY( ec );
 119 #endif
 120   }
 121 }
 122
 123 void
 124 test03()
 125 {
 126   // PR libstdc++/87846
 127   const auto p = __gnu_test::nonexistent_path() / "/";
 128   bool result = create_directories(p);
 129   VERIFY( result );
 130 #if defined(__MINGW32__) || defined(__MINGW64__)
 131   VERIFY( exists(p/".") ); // needed due to PR libstdc++/88881
 132 #else
 133   VERIFY( exists(p) );
 134 #endif
 135   remove(p);
 136   result = create_directories(p/"foo/");
 137   VERIFY( result );
 138 #if defined(__MINGW32__) || defined(__MINGW64__)
 139   VERIFY( exists(p/".") ); // needed due to PR libstdc++/88881
 140 #else
 141   VERIFY( exists(p) );
 142 #endif
 143   VERIFY( exists(p/"foo") );
 144   remove_all(p);
 145 }
 146
 147 void
 148 test04()
 149 {
 150 #ifndef NO_SYMLINKS
 151   // PR libstdc++/101510
 152   // create_directories reports an error if the path is a symlink to a dir
 153   std::error_code ec = make_error_code(std::errc::invalid_argument);
 154   const auto p = __gnu_test::nonexistent_path() / "";
 155   fs::create_directories(p/"dir");
 156   auto link = p/"link";
 157   fs::create_directory_symlink("dir", link);
 158   bool created = fs::create_directories(link, ec);
 159   VERIFY( !created );
 160   VERIFY( !ec );
 161   created = fs::create_directories(link);
 162   VERIFY( !created );
 163   remove_all(p);
 164 #endif
 165 }
 166
 167 int
 168 main()
 169 {
 170   test01();
 171   test02();
 172   test03();
 173   test04();
 174 }