libstdc++-v3/testsuite/27_io/filesystem/path/native/string.cc

   1 // Copyright (C) 2016-2023 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++17 } }
  19
  20 #include <filesystem>
  21 #include <string>
  22 #include <testsuite_hooks.h>
  23
  24 void
  25 test01()
  26 {
  27   using namespace std::filesystem;
  28   using string_type = std::basic_string<path::value_type>;
  29   const string_type s{ 'a', 'b', 'c' };
  30   path p(s);
  31
  32   VERIFY( p.native() == s );
  33   VERIFY( p.c_str() == s );
  34   VERIFY( static_cast<string_type>(p) == s );
  35
  36   string_type s2 = p; // implicit conversion
  37   VERIFY( s2 == p.native() );
  38 }
  39
  40 void
  41 test02()
  42 {
  43   using namespace std::filesystem;
  44   const char* s = "abc";
  45   path p(s);
  46
  47   auto str = p.string<char>();
  48   VERIFY( str == "abc" );
  49   VERIFY( str == p.string() );
  50
  51 #ifdef _GLIBCXX_USE_WCHAR_T
  52   auto strw = p.string<wchar_t>();
  53   VERIFY( strw == L"abc" );
  54   VERIFY( strw == p.wstring() );
  55 #endif
  56
  57   auto str16 = p.string<char16_t>();
  58   VERIFY( str16 == u"abc" );
  59   VERIFY( str16 == p.u16string() );
  60
  61   auto str32 = p.string<char32_t>();
  62   VERIFY( str32 == U"abc" );
  63   VERIFY( str32 == p.u32string() );
  64 }
  65
  66 void
  67 test03()
  68 {
  69   std::filesystem::path p;
  70   auto str8 = p.u8string();
  71   VERIFY( str8 == u8"" );
  72   auto str16 = p.u16string();
  73   VERIFY( str16 == u"" );
  74   auto str32 = p.u32string();
  75   VERIFY( str32 == U"" );
  76 }
  77
  78 void
  79 test04()
  80 {
  81   // PR libstdc++/90281
  82   auto p = std::filesystem::u8path("\xf0\x9d\x84\x9e");
  83   auto str8 = p.u8string();
  84   VERIFY( str8 == u8"\U0001D11E" );
  85   auto str16 = p.u16string();
  86   VERIFY( str16 == u"\U0001D11E" );
  87   auto str32 = p.u32string();
  88   VERIFY( str32 == U"\U0001D11E" );
  89 }
  90
  91 int
  92 main()
  93 {
  94   test01();
  95   test02();
  96   test03();
  97   test04();
  98 }