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

   1 // { dg-options "-std=gnu++17" }
   2 // { dg-do run { target c++17 } }
   3 // { dg-require-filesystem-ts "" }
   4
   5 // Copyright (C) 2014-2021 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 15.11 Current path [fs.op.current_path]
  23
  24 #include <filesystem>
  25 #include <testsuite_fs.h>
  26 #include <testsuite_hooks.h>
  27
  28 namespace fs = std::filesystem;
  29
  30 void
  31 test01()
  32 {
  33   fs::path dot(".");
  34   fs::path cwd = fs::current_path();
  35   std::error_code ec;
  36   fs::path cwd2 = fs::current_path(ec);
  37   VERIFY( cwd == cwd2 );
  38 }
  39
  40 void
  41 test02()
  42 {
  43   auto oldwd = fs::current_path();
  44   auto tmpdir = fs::temp_directory_path();
  45   current_path(tmpdir);
  46   VERIFY( canonical(fs::current_path()) == canonical(tmpdir) );
  47   std::error_code ec;
  48   current_path(oldwd, ec);
  49   VERIFY( canonical(fs::current_path()) == canonical(oldwd) );
  50   VERIFY( canonical(fs::current_path(ec)) == canonical(oldwd) );
  51 }
  52
  53 int
  54 main()
  55 {
  56   test01();
  57   test02();
  58 }