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

   1 // { dg-options "-std=gnu++17" }
   2 // { dg-do run { target c++17 } }
   3
   4 // Copyright (C) 2018-2020 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 30.10.8.6 path non-member functions [fs.path.nonmember]
  22
  23 #include <filesystem>
  24 #include <testsuite_fs.h>
  25
  26 using std::filesystem::path;
  27 using __gnu_test::compare_paths;
  28
  29 // operator/(const path&, const path&)
  30 // Equivalent to: return path(lhs) /= rhs;
  31
  32 void test(const path& lhs, const path& rhs)
  33 {
  34   compare_paths( lhs / rhs, path(lhs) /= rhs );
  35 }
  36
  37 void
  38 test01()
  39 {
  40   test( "/foo/bar", "/foo/" );
  41
  42   test( "baz", "baz" );
  43   test( "baz/", "baz" );
  44   test( "baz", "/foo/bar" );
  45   test( "baz/", "/foo/bar" );
  46
  47   test( "", "" );
  48   test( "", "rel" );
  49
  50   test( "dir/", "/file" );
  51   test( "dir/", "file" );
  52 }
  53
  54 void
  55 test02()
  56 {
  57   // C++17 [fs.path.append] p4
  58   test( "//host", "foo" );
  59   test( "//host/", "foo" );
  60   test( "foo", "" );
  61   test( "foo", "/bar" );
  62   test( "foo", "c:/bar" );
  63   test( "foo", "c:" );
  64   test( "c:", "" );
  65   test( "c:foo", "/bar" );
  66   test( "foo", "c:\\bar" );
  67 }
  68
  69 void
  70 test03()
  71 {
  72   for (const path& p : __gnu_test::test_paths)
  73     for (const path& q : __gnu_test::test_paths)
  74       test(p, q);
  75 }
  76
  77 int
  78 main()
  79 {
  80   test01();
  81   test02();
  82   test03();
  83 }