libstdc++-v3/testsuite/27_io/filesystem/path/nonmember/hash_value.cc

   1 // { dg-do run { target c++17 } }
   2
   3 // Copyright (C) 2014-2024 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 8.6 path non-member functions [path.non-member]
  21
  22 #include <filesystem>
  23 #include <testsuite_fs.h>
  24 #include <testsuite_hooks.h>
  25
  26 using std::filesystem::path;
  27
  28 void
  29 test01()
  30 {
  31   VERIFY( hash_value(path("a//b")) == hash_value(path("a/b")) );
  32   VERIFY( hash_value(path("a/")) == hash_value(path("a//")) );
  33 }
  34
  35 void
  36 test02()
  37 {
  38   for (const path p : __gnu_test::test_paths)
  39   {
  40     path pp = p.native();
  41     VERIFY( hash_value(p) == hash_value(pp) );
  42   }
  43 }
  44
  45 void
  46 test03()
  47 {
  48   std::hash<path> h;
  49   // LWG 3657. std::hash<std::filesystem::path> is not enabled
  50   for (const path p : __gnu_test::test_paths)
  51     VERIFY( h(p) == hash_value(p) );
  52 }
  53
  54 int
  55 main()
  56 {
  57   test01();
  58   test02();
  59   test03();
  60 }