libstdc++-v3/testsuite/27_io/basic_ofstream/open/char/1.cc

   1 // Copyright (C) 2000, 2001, 2003 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 2, 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  17 // USA.
  18
  19 // 27.8.1.10 ofstream member functions
  20 // @require@ %-*.tst
  21 // @diff@ %-*.tst %-*.txt
  22
  23 #include <ostream>
  24 #include <fstream>
  25 #include <testsuite_hooks.h>
  26
  27 const char name_01[] = "ofstream_members-1.tst";
  28 const char name_02[] = "ofstream_members-1.txt";
  29
  30 // http://gcc.gnu.org/ml/libstdc++/2000-06/msg00136.html
  31 void test01()
  32 {
  33   bool test __attribute__((unused)) = true;
  34   std::ofstream ofs1;
  35   ofs1.close();
  36
  37   // false as expected:
  38   VERIFY( !ofs1.is_open() );
  39    // this is now true:
  40   VERIFY( !(ofs1) );
  41
  42   ofs1.open(name_02);
  43   VERIFY( ofs1.is_open() );
  44   // fail bit still true
  45   VERIFY( !(ofs1) );
  46   VERIFY( ofs1.rdstate() == std::ios_base::failbit );
  47
  48   ofs1.close();
  49 }
  50
  51 int main()
  52 {
  53   test01();
  54   return 0;
  55 }
  56
  57
  58