libstdc++-v3/testsuite/experimental/filesystem/path/generic/generic_string.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 // 8.4.7 path generic format observers [path.generic.obs]
  23
  24 #include <experimental/filesystem>
  25 #include <testsuite_fs.h>
  26 #include <testsuite_allocator.h>
  27
  28 using std::experimental::filesystem::path;
  29
  30 void
  31 test01()
  32 {
  33   __gnu_test::compare_paths( path("///a//b///").generic_string(), "/a/b/." );
  34   __gnu_test::compare_paths( path("///a//b").generic_u16string(), "/a/b" );
  35   __gnu_test::compare_paths( path("//a//b").generic_u16string(), "//a/b" );
  36 }
  37
  38 using __gnu_test::SimpleAllocator;
  39
  40 void
  41 test02()
  42 {
  43   path p = "//foo//bar//.";
  44   using C = char16_t;
  45   auto g = p.generic_string<C, std::char_traits<C>, SimpleAllocator<C>>();
  46   VERIFY( g == u"//foo/bar/." );
  47 }
  48
  49
  50 void
  51 test03()
  52 {
  53   for (path p : { "/a///b//c", "///a//b//c", "a:b//c", "a://b///c" })
  54   {
  55     // A path constructed from the generic format string should compare equal
  56     // to the original, because they represent the same path.
  57     VERIFY( path(p.generic_string()) == p );
  58 #ifdef _GLIBCXX_USE_WCHAR_T
  59     VERIFY( path(p.generic_wstring()) == p );
  60 #endif
  61     VERIFY( path(p.generic_u8string()) == p );
  62     VERIFY( path(p.generic_u16string()) == p );
  63     VERIFY( path(p.generic_u32string()) == p );
  64   }
  65
  66   // Except when the original consists entirely of a root-directory with
  67   // multiple slashes, because path("///").native() is "///" but the
  68   // generic format string is "/". In the Filesystem TS path::compare just
  69   // compares native strings, so path("///") != path("/").
  70   VERIFY( path("///").generic_string() == "/" );
  71 }
  72
  73 int
  74 main()
  75 {
  76   test01();
  77   test02();
  78   test03();
  79 }