libstdc++-v3/testsuite/experimental/filesystem/path/decompose/root_path.cc

   1 // { dg-options "-DUSE_FILESYSTEM_TS -lstdc++fs" }
   2 // { dg-do run { target c++11 } }
   3 // { dg-require-filesystem-ts "" }
   4
   5 // Copyright (C) 2014-2024 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 // 8.4.9 path decomposition [path.decompose]
  23
  24 #include <experimental/filesystem>
  25 #include <testsuite_hooks.h>
  26 #include <testsuite_fs.h>
  27
  28 using std::experimental::filesystem::path;
  29
  30 void
  31 test01()
  32 {
  33   path p1 = "foo/bar";
  34   VERIFY( p1.root_path() == path() );
  35   path p2 = "/foo/bar";
  36   VERIFY( p2.root_path() == path("/") );
  37 }
  38
  39 void
  40 test02()
  41 {
  42   for (const path p : __gnu_test::test_paths)
  43   {
  44     path rootp = p.root_path();
  45     path rootn = p.root_name();
  46     path rootd = p.root_directory();
  47     VERIFY( rootp == (rootn / rootd) );
  48   }
  49 }
  50
  51 int
  52 main()
  53 {
  54   test01();
  55   test02();
  56 }