libstdc++-v3/testsuite/27_io/basic_streambuf/overflow/char/3599.cc

   1 // 1999-10-11 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // 27.5.2 template class basic_streambuf
  31
  32 #include <streambuf>
  33 #include <ostream>
  34 #include <testsuite_hooks.h>
  35
  36 // libstdc++/3599
  37 class testbuf : public std::streambuf
  38 {
  39 public:
  40   typedef std::streambuf::traits_type traits_type;
  41
  42   testbuf() : std::streambuf() { }
  43
  44 protected:
  45   int_type
  46   overflow(int_type c __attribute__((unused)) = traits_type::eof())
  47   { return traits_type::not_eof(0); }
  48 };
  49
  50 void
  51 test07()
  52 {
  53   bool test __attribute__((unused)) = true;
  54   testbuf ob;
  55   std::ostream out(&ob);
  56
  57   out << "gasp";
  58   VERIFY(out.good());
  59
  60   out << std::endl;
  61   VERIFY(out.good());
  62 }
  63
  64 int main()
  65 {
  66   test07();
  67   return 0;
  68 }