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

   1 // Copyright (C) 2018 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 -lstdc++fs" }
  19 // { dg-do run { target c++17 } }
  20 // { dg-require-filesystem-ts "" }
  21
  22 #include <filesystem>
  23 #include <iterator>
  24 #include <testsuite_hooks.h>
  25 #include <testsuite_fs.h>
  26
  27 void
  28 test01()
  29 {
  30   for (std::filesystem::path p : __gnu_test::test_paths)
  31   {
  32     if (p.empty())
  33       VERIFY(std::distance(p.begin(), p.end()) == 0);
  34     else
  35       VERIFY(std::distance(p.begin(), p.end()) != 0);
  36
  37     for (const std::filesystem::path& cmpt : p)
  38     {
  39       if (cmpt.empty())
  40         VERIFY(std::distance(cmpt.begin(), cmpt.end()) == 0);
  41       else
  42         VERIFY(std::distance(cmpt.begin(), cmpt.end()) == 1);
  43     }
  44   }
  45 }
  46
  47 int
  48 main()
  49 {
  50   test01();
  51 }