libstdc++-v3/testsuite/27_io/basic_filebuf/open/char/3.cc

   1 // Copyright (C) 2001-2020 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 // 27.8.1.3 filebuf member functions
  19 // @require@ %-*.tst %-*.txt
  20 // @diff@ %-*.tst %-*.txt
  21
  22 // various tests for filebuf::open() and filebuf::close() including
  23 // the non-portable functionality in the libstdc++-v3 IO library
  24
  25 // { dg-require-fileio "" }
  26
  27 #include <fstream>
  28 #include <testsuite_hooks.h>
  29
  30 // Charles Leggett <CGLeggett@lbl.gov>
  31 void test_05()
  32 {
  33   const char* name = "tmp_file5";
  34
  35   std::fstream scratch_file;
  36
  37   scratch_file.open(name, std::ios::out);
  38   scratch_file.close();
  39
  40   scratch_file.open(name, std::ios::in);
  41   if (!scratch_file)
  42     VERIFY( false );
  43   scratch_file.close();
  44 }
  45
  46 int
  47 main()
  48 {
  49   test_05();
  50   return 0;
  51 }
  52
  53