libstdc++-v3/testsuite/27_io/filesystem/path/generic/generic_string.cc

   1 // { dg-do run { target c++17 } }
   2
   3 // Copyright (C) 2017-2023 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 30.10.7.4.7 path generic format observers [fs.path.generic.obs]
  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( path().generic_string() == "" );
  32   VERIFY( path("/").generic_string() == "/" );
  33   VERIFY( path("////").generic_string() == "/" );
  34 #ifdef __CYGWIN__
  35   VERIFY( path("//a").generic_string() == "//a" );
  36   VERIFY( path("//a/").generic_string() == "//a/" );
  37   VERIFY( path("//a//").generic_string() == "//a/" );
  38   VERIFY( path("//a/b").generic_string() == "//a/b" );
  39   VERIFY( path("//a//b").generic_string() == "//a/b" );
  40 #else
  41   VERIFY( path("//a").generic_string() == "/a" );
  42   VERIFY( path("//a/").generic_string() == "/a/" );
  43   VERIFY( path("//a//").generic_string() == "/a/" );
  44   VERIFY( path("//a/b").generic_string() == "/a/b" );
  45   VERIFY( path("//a//b").generic_string() == "/a/b" );
  46 #endif
  47   VERIFY( path("/a//b").generic_string() == "/a/b" );
  48   VERIFY( path("/a//b/").generic_string() == "/a/b/" );
  49   VERIFY( path("/a//b//").generic_string() == "/a/b/" );
  50   VERIFY( path("/a//b//.").generic_string() == "/a/b/." );
  51 }
  52
  53 void
  54 test02()
  55 {
  56   if constexpr (path::preferred_separator == L'\\')
  57   {
  58     // PR libstdc++/93244
  59     VERIFY( path("C:\\foo\\bar").generic_string() == "C:/foo/bar" );
  60     VERIFY( path("C://foo//bar").generic_string() == "C:/foo/bar" );
  61   }
  62 }
  63
  64 void
  65 test03()
  66 {
  67   for (path p : __gnu_test::test_paths)
  68   {
  69     // A path constructed from the generic format string should compare equal
  70     // to the original, because they represent the same path.
  71     VERIFY( path(p.generic_string()) == p );
  72 #ifdef _GLIBCXX_USE_WCHAR_T
  73     VERIFY( path(p.generic_wstring()) == p );
  74 #endif
  75     VERIFY( path(p.generic_u8string()) == p );
  76     VERIFY( path(p.generic_u16string()) == p );
  77     VERIFY( path(p.generic_u32string()) == p );
  78   }
  79
  80   for (path p : { "a///b//c", "///a//b//c", "a:b//c", "a://b///c" })
  81   {
  82     // A path constructed from the generic format string should compare equal
  83     // to the original, because they represent the same path.
  84     VERIFY( path(p.generic_string()) == p );
  85 #ifdef _GLIBCXX_USE_WCHAR_T
  86     VERIFY( path(p.generic_wstring()) == p );
  87 #endif
  88     VERIFY( path(p.generic_u8string()) == p );
  89     VERIFY( path(p.generic_u16string()) == p );
  90     VERIFY( path(p.generic_u32string()) == p );
  91   }
  92 }
  93
  94 int
  95 main()
  96 {
  97   test01();
  98   test02();
  99   test03();
 100 }