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

   1 // { dg-options "-std=gnu++17" }
   2 // { dg-do run { target c++17 } }
   3
   4 // Copyright (C) 2014-2021 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // C++17 30.10.7.4.5 path modifiers [fs.path.modifiers]
  22
  23 #include <filesystem>
  24 #include <testsuite_fs.h>
  25 #include <testsuite_hooks.h>
  26
  27 using std::filesystem::path;
  28 using __gnu_test::compare_paths;
  29
  30 void
  31 test01()
  32 {
  33   // C++17 [fs.path.modifiers] p8
  34   compare_paths( path("foo/bar").remove_filename(), "foo/" );
  35   compare_paths( path("foo/").remove_filename()   , "foo/" );
  36   compare_paths( path("/foo").remove_filename()   , "/" );
  37   compare_paths( path("/").remove_filename()      , "/" );
  38 }
  39
  40 void
  41 test02()
  42 {
  43   for (const path p : __gnu_test::test_paths)
  44   {
  45     path p2(p);
  46     p2.remove_filename();
  47     p2 /= p.filename();
  48     compare_paths( p2, p );
  49   }
  50 }
  51
  52 int
  53 main()
  54 {
  55   test01();
  56   test02();
  57 }