libstdc++-v3/testsuite/27_io/filesystem/path/modifiers/remove_filename.cc

   1 // { dg-options "-std=gnu++17 -lstdc++fs" }
   2 // { dg-do run { target c++17 } }
   3 // { dg-require-filesystem-ts "" }
   4
   5 // Copyright (C) 2014-2017 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 // C++17 30.10.7.4.5 path modifiers [fs.path.modifiers]
  23
  24 #include <filesystem>
  25 #include <testsuite_fs.h>
  26 #include <testsuite_hooks.h>
  27
  28 using std::filesystem::path;
  29 using __gnu_test::compare_paths;
  30
  31 void
  32 test01()
  33 {
  34   // C++17 [fs.path.modifiers] p8
  35   compare_paths( path("foo/bar").remove_filename(), "foo/" );
  36   compare_paths( path("foo/").remove_filename()   , "foo/" );
  37   compare_paths( path("/foo").remove_filename()   , "/" );
  38   compare_paths( path("/").remove_filename()      , "/" );
  39 }
  40
  41 void
  42 test02()
  43 {
  44   for (const path& p : __gnu_test::test_paths)
  45   {
  46     path p2(p);
  47     p2.remove_filename();
  48     p2 /= p.filename();
  49     compare_paths( p2, p );
  50   }
  51 }
  52
  53 int
  54 main()
  55 {
  56   test01();
  57   test02();
  58 }