libstdc++-v3/testsuite/27_io/basic_ostream/inserters_other/char/9318-out.cc

   1 // 1999-10-11 bkoz
   2
   3 // Copyright (C) 1999-2019 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20
  21 // 27.5.2 template class basic_streambuf
  22
  23 #include <streambuf>
  24 #include <sstream>
  25 #include <ostream>
  26 #include <testsuite_hooks.h>
  27
  28 // libstdc++/9318
  29 class Outbuf : public std::streambuf
  30 {
  31 public:
  32   typedef std::streambuf::traits_type traits_type;
  33
  34   std::string result() const { return str; }
  35
  36 protected:
  37   virtual int_type overflow(int_type c = traits_type::eof())
  38   {
  39     if (!traits_type::eq_int_type(c, traits_type::eof()))
  40       str.push_back(traits_type::to_char_type(c));
  41     return traits_type::not_eof(c);
  42   }
  43
  44 private:
  45   std::string str;
  46 };
  47
  48 void test10()
  49 {
  50   std::stringbuf sbuf("Bad Moon Rising", std::ios::in);
  51   Outbuf buf;
  52   std::ostream stream(&buf);
  53   stream << &sbuf;
  54
  55   VERIFY( buf.result() == "Bad Moon Rising" );
  56 }
  57
  58 int main()
  59 {
  60   test10();
  61   return 0;
  62 }