libstdc++-v3/testsuite/experimental/filesystem/path/factory/u8path-char8_t.cc

   1 // Copyright (C) 2019-2024 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-options "-lstdc++fs -fchar8_t -Wno-stringop-overread" }
  19 // { dg-do run { target c++11 } }
  20 // { dg-require-filesystem-ts "" }
  21
  22 #include <experimental/filesystem>
  23 #include <testsuite_hooks.h>
  24
  25 namespace fs = std::experimental::filesystem;
  26
  27 void
  28 test01()
  29 {
  30   fs::path p = fs::u8path(u8"");
  31   VERIFY( p.empty() );
  32
  33   p = fs::u8path(u8"filename1");
  34   VERIFY( p.u8string() == u8"filename1" );
  35
  36   p = fs::u8path(u8"\xf0\x9d\x84\x9e");
  37   VERIFY( p.u8string() == u8"\U0001D11E" );
  38
  39   // The following triggers -Wstringop-overread.  See PR 103332.
  40   std::u8string s1 = u8"filename2";
  41   p = fs::u8path(s1);
  42   VERIFY( p.u8string() == u8"filename2" );
  43
  44   // The following triggers -Wstringop-overread.  See PR 103332.
  45   std::u8string s2 = u8"filename3";
  46   p = fs::u8path(s2.begin(), s2.end());
  47   VERIFY( p.u8string() == u8"filename3" );
  48 }
  49
  50 int
  51 main()
  52 {
  53   test01();
  54 }