libstdc++-v3/testsuite/27_io/filesystem/path/compare/path.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 // C++17 30.10.8.4.8 path compare [fs.path.compare]
  21
  22 #include <filesystem>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_fs.h>
  25
  26 using std::filesystem::path;
  27
  28 void
  29 test01()
  30 {
  31   const path p0 = "/a/a/b/b";
  32   for (const path p : __gnu_test::test_paths)
  33   {
  34     VERIFY( p.compare(p) == 0 );
  35     int cmp = p.compare(p0);
  36     if (cmp == 0)
  37       VERIFY( p0.compare(p) == 0 );
  38     else if (cmp < 0)
  39       VERIFY( p0.compare(p) > 0 );
  40     else if (cmp > 0)
  41       VERIFY( p0.compare(p) < 0 );
  42   }
  43 }
  44
  45 void
  46 test02()
  47 {
  48   VERIFY( path("/").compare(path("////")) == 0 );
  49   VERIFY( path("/a").compare(path("/")) > 0 );
  50   VERIFY( path("/").compare(path("/a")) < 0 );
  51   VERIFY( path("/ab").compare(path("/a")) > 0 );
  52   VERIFY( path("/ab").compare(path("/a/b")) > 0 );
  53 }
  54
  55 int
  56 main()
  57 {
  58   test01();
  59   test02();
  60 }