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

   1 // Copyright (C) 2016 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 "-lstdc++fs" }
  19 // { dg-do run { target c++11 } }
  20 // { dg-require-filesystem-ts "" }
  21
  22 // 15.26 Permissions [fs.op.permissions]
  23
  24 #include <experimental/filesystem>
  25 #include <testsuite_fs.h>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test01()
  30 {
  31   using perms = std::experimental::filesystem::perms;
  32
  33   auto p = __gnu_test::nonexistent_path();
  34
  35   __gnu_test::scoped_file f(p);
  36   VERIFY( exists(p) );
  37   permissions(p, perms::owner_all);
  38   VERIFY( status(p).permissions() == perms::owner_all );
  39   permissions(p, perms::group_read | perms::add_perms);
  40   VERIFY( status(p).permissions() == (perms::owner_all | perms::group_read) );
  41   permissions(p, perms::group_read | perms::remove_perms);
  42   VERIFY( status(p).permissions() == perms::owner_all );
  43 }
  44
  45 void
  46 test02()
  47 {
  48   using perms = std::experimental::filesystem::perms;
  49
  50   auto p = __gnu_test::nonexistent_path();
  51
  52   std::error_code ec;
  53   permissions(p, perms::owner_all, ec);
  54   VERIFY( ec );
  55
  56   __gnu_test::scoped_file f(p);
  57   VERIFY( exists(p) );
  58
  59   ec = std::make_error_code(std::errc::invalid_argument);
  60   permissions(p, perms::owner_all, ec);
  61   VERIFY( !ec );
  62   VERIFY( status(p).permissions() == perms::owner_all );
  63   permissions(p, perms::group_read | perms::add_perms, ec);
  64   VERIFY( !ec );
  65   VERIFY( status(p).permissions() == (perms::owner_all | perms::group_read) );
  66   permissions(p, perms::group_read | perms::remove_perms, ec);
  67   VERIFY( !ec );
  68   VERIFY( status(p).permissions() == perms::owner_all );
  69 }
  70
  71 void
  72 test03()
  73 {
  74   using perms = std::experimental::filesystem::perms;
  75
  76   __gnu_test::scoped_file f;
  77   VERIFY( exists(f.path) );
  78
  79   auto p = __gnu_test::nonexistent_path();
  80   create_symlink(f.path, p);
  81
  82   std::error_code ec, ec2;
  83   permissions(p, perms::owner_all | perms::symlink_nofollow, ec);
  84   try
  85   {
  86     permissions(p, perms::owner_all | perms::symlink_nofollow);
  87   }
  88   catch (const std::experimental::filesystem::filesystem_error& ex)
  89   {
  90     ec2 = ex.code();
  91     VERIFY( ex.path1() == p );
  92   }
  93   // Both calls should succeed, or both should fail with same error:
  94   VERIFY( ec == ec2 );
  95
  96   remove(p);
  97 }
  98
  99 void
 100 test04()
 101 {
 102   using perms = std::experimental::filesystem::perms;
 103
 104   auto p = __gnu_test::nonexistent_path();
 105   create_symlink(__gnu_test::nonexistent_path(), p);
 106
 107   std::error_code ec, ec2;
 108   permissions(p, perms::owner_all, ec);
 109   VERIFY( ec );
 110   try
 111   {
 112     permissions(p, perms::owner_all);
 113   }
 114   catch (const std::experimental::filesystem::filesystem_error& ex)
 115   {
 116     ec2 = ex.code();
 117     VERIFY( ex.path1() == p );
 118   }
 119   VERIFY( ec == ec2 );
 120
 121   remove(p);
 122 }
 123
 124 int
 125 main()
 126 {
 127   test01();
 128   test02();
 129   test03();
 130   test04();
 131 }