libstdc++-v3/testsuite/27_io/basic_ifstream/cons/char/path.cc

   1 // Copyright (C) 2017-2018 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 "-std=gnu++17 -lstdc++fs" }
  19 // { dg-do run { target c++17 } }
  20 // { dg-require-fileio "" }
  21 // { dg-require-filesystem-ts "" }
  22
  23 #include <fstream>
  24 #include <filesystem>
  25 #include <testsuite_hooks.h>
  26
  27 const std::filesystem::path filename = "ifstream_members-1.tst";
  28
  29 void
  30 test01()
  31 {
  32   std::ifstream f(filename);
  33   VERIFY( f.is_open() );
  34 }
  35
  36 void
  37 test02()
  38 {
  39   std::ifstream f(filename, std::ios::in);
  40   VERIFY( f.is_open() );
  41 }
  42
  43 using std::is_constructible_v;
  44 // PR libstdc++/83025
  45 static_assert(is_constructible_v<std::fstream, char*>);
  46 static_assert(is_constructible_v<std::fstream, char*, std::ios::openmode>);
  47
  48 int
  49 main()
  50 {
  51   test01();
  52   test02();
  53 }