libstdc++-v3/testsuite/27_io/filesystem/path/itr/components.cc

   1 // Copyright (C) 2018-2024 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-do run { target c++17 } }
  19
  20 #include <filesystem>
  21 #include <iterator>
  22 #include <testsuite_hooks.h>
  23 #include <testsuite_fs.h>
  24
  25 void
  26 test01()
  27 {
  28   for (std::filesystem::path p : __gnu_test::test_paths)
  29   {
  30     if (p.empty())
  31       VERIFY(std::distance(p.begin(), p.end()) == 0);
  32     else
  33       VERIFY(std::distance(p.begin(), p.end()) != 0);
  34
  35     for (const std::filesystem::path& cmpt : p)
  36     {
  37       if (cmpt.empty())
  38         VERIFY(std::distance(cmpt.begin(), cmpt.end()) == 0);
  39       else
  40         VERIFY(std::distance(cmpt.begin(), cmpt.end()) == 1);
  41     }
  42   }
  43 }
  44
  45 int
  46 main()
  47 {
  48   test01();
  49 }