libstdc++-v3/testsuite/27_io/basic_ostream/inserters_other/char/1.cc

   1 // 1999-08-16 bkoz
   2 // 1999-11-01 bkoz
   3
   4 // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2009, 2010
   5 // Free Software Foundation
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 27.6.2.5.4 basic_ostream character inserters
  23 // @require@ %-*.tst %-*.txt
  24 // @diff@ %-*.tst %-*.txt
  25
  26 // { dg-require-fileio "" }
  27
  28 #include <ostream>
  29 #include <sstream>
  30 #include <fstream>
  31 #include <testsuite_hooks.h>
  32
  33 const int size = 1000;
  34 const char name_01[] = "ostream_inserter_other-1.tst";
  35 const char name_02[] = "ostream_inserter_other-1.txt";
  36 const char name_03[] = "ostream_inserter_other-2.tst";
  37 const char name_04[] = "ostream_inserter_other-2.txt";
  38
  39 // fstream
  40 void
  41 test02()
  42 {
  43   typedef std::ios_base::iostate iostate;
  44   bool test __attribute__((unused)) = true;
  45
  46   // basic_ostream<_CharT, _Traits>::operator<<(__streambuf_type* __sb)
  47   // filebuf-> NULL
  48   std::ifstream f_in1(name_01);
  49   std::ofstream f_out1(name_02);
  50   std::stringbuf* strbuf01 = 0;
  51   iostate state01 = f_in1.rdstate();
  52   f_in1 >> strbuf01;
  53   iostate state02 = f_in1.rdstate();
  54   VERIFY( state01 != state02 );
  55   VERIFY( (state02 & std::ios_base::failbit) != 0 );
  56   state01 = f_out1.rdstate();
  57   f_out1 << strbuf01;
  58   state02 = f_out1.rdstate();
  59   VERIFY( state01 != state02 );
  60   VERIFY( (state02 & std::ios_base::badbit) != 0 );
  61
  62   // filebuf->filebuf
  63   std::ifstream f_in(name_01);
  64   std::ofstream f_out(name_02);
  65   f_out << f_in.rdbuf();
  66   f_in.close();
  67   f_out.close();
  68
  69   // filebuf->stringbuf->filebuf
  70   std::ifstream f_in2(name_03);
  71   std::ofstream f_out2(name_04); // should be different name
  72   std::stringbuf strbuf02;
  73   f_in2 >> &strbuf02;
  74   f_out2 << &strbuf02;
  75   f_in2.close();
  76   f_out2.close();
  77 }
  78
  79 int
  80 main()
  81 {
  82   test02();
  83   return 0;
  84 }