libstdc++-v3/testsuite/27_io/filesystem/path/nonmember/cmp_c++20.cc

   1 // { dg-options "-std=gnu++2a" }
   2 // { dg-do run { target c++2a } }
   3
   4 // Copyright (C) 2020-2021 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++20 29.11.7.7 Non-member functions [fs.path.nonmember]
  22
  23 #include <filesystem>
  24 #include <testsuite_hooks.h>
  25 #include <testsuite_fs.h>
  26
  27 using std::filesystem::path;
  28
  29 void
  30 test01()
  31 {
  32   path p("/foo/bar");
  33   VERIFY( p == p );
  34   VERIFY( p == "/foo//bar" );
  35   VERIFY( std::is_eq(p <=> p) );
  36   VERIFY( std::is_eq(p <=> "/foo//bar") );
  37
  38   path q("/foo/baz");
  39   VERIFY( p < q );
  40   VERIFY( q > p );
  41   VERIFY( std::is_lt(p <=> q) );
  42   VERIFY( std::is_gt(q <=> p) );
  43
  44   path r("/foo/bar/.");
  45   VERIFY( p < r );
  46   VERIFY( std::is_lt(p <=> r) );
  47
  48   VERIFY( path("a/b/") == path("a/b//") );
  49   VERIFY( std::is_eq(path("a/b/") <=> path("a/b//")) );
  50 }
  51
  52 void
  53 test02()
  54 {
  55   const path p0 = "/a/a/b/b";
  56   for (const path p : __gnu_test::test_paths)
  57   {
  58     VERIFY( std::is_eq(p <=> p) );
  59     VERIFY( (p <=> p0) == (p.compare(p0) <=> 0) );
  60     VERIFY( (p0 <=> p) == (p0.compare(p) <=> 0) );
  61   }
  62 }
  63
  64 void
  65 test03()
  66 {
  67   VERIFY( std::is_eq(path("/") <=> path("////")) );
  68   VERIFY( std::is_gt(path("/a") <=> path("/")) );
  69   VERIFY( std::is_lt(path("/") <=> path("/a")) );
  70   VERIFY( std::is_gt(path("/ab") <=> path("/a")) );
  71   VERIFY( std::is_gt(path("/ab") <=> path("/a/b")) );
  72 }
  73
  74 int
  75 main()
  76 {
  77   test01();
  78   test02();
  79   test03();
  80 }