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

   1 // Copyright (C) 2015-2019 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   std::error_code ec = make_error_code(std::errc::invalid_argument);
  32   fs::path dot = ".";
  33
  34   fs::file_status st1 = fs::status(dot, ec);
  35   VERIFY( !ec );
  36   VERIFY( st1.type() == fs::file_type::directory );
  37
  38   fs::file_status st2 = fs::status(dot);
  39   VERIFY( st2.type() == fs::file_type::directory );
  40 }
  41
  42 void
  43 test02()
  44 {
  45   fs::path p = __gnu_test::nonexistent_path();
  46
  47   std::error_code ec;
  48   fs::file_status st1 = fs::status(p, ec);
  49   VERIFY( ec );
  50   VERIFY( st1.type() == fs::file_type::not_found );
  51
  52   fs::file_status st2 = fs::status(p);
  53   VERIFY( st2.type() == fs::file_type::not_found );
  54 }
  55
  56 void
  57 test03()
  58 {
  59   fs::path dir = __gnu_test::nonexistent_path();
  60   fs::create_directory(dir);
  61   __gnu_test::scoped_file d(dir, __gnu_test::scoped_file::adopt_file);
  62   __gnu_test::scoped_file f(dir / "file");
  63   fs::permissions(dir, fs::perms::none);
  64
  65   std::error_code ec;
  66   fs::file_status st = fs::status(f.path, ec);
  67   VERIFY( ec.value() == (int)std::errc::permission_denied );
  68   VERIFY( st.type() == fs::file_type::none );
  69
  70 #if __cpp_exceptions
  71   bool caught = false;
  72   std::error_code ec2;
  73   fs::path p, p2;
  74   try {
  75     fs::symlink_status(f.path);
  76   } catch (const fs::filesystem_error& e) {
  77     caught = true;
  78     p = e.path1();
  79     p2 = e.path2();
  80     ec2 = e.code();
  81   }
  82   VERIFY( caught );
  83   VERIFY( ec2 == ec );
  84   VERIFY( p == f.path );
  85   VERIFY( p2.empty() );
  86 #endif
  87
  88   fs::permissions(dir, fs::perms::owner_all, ec);
  89 }
  90
  91 int
  92 main()
  93 {
  94   test01();
  95   test02();
  96   test03();
  97 }