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

   1 // Copyright (C) 2005 Free Software Foundation
   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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 27.6.2.5.4 basic_ostream character inserters
  20 // @require@ %-*.tst %-*.txt
  21 // @diff@ %-*.tst %-*.txt
  22
  23 #include <ostream>
  24 #include <sstream>
  25 #include <fstream>
  26 #include <testsuite_hooks.h>
  27
  28 const int size = 1000;
  29 const char name_01[] = "wostream_inserter_other-1.tst";
  30 const char name_02[] = "wostream_inserter_other-1.txt";
  31 const char name_03[] = "wostream_inserter_other-2.tst";
  32 const char name_04[] = "wostream_inserter_other-2.txt";
  33
  34 // fstream
  35 void
  36 test02()
  37 {
  38   typedef std::ios_base::iostate iostate;
  39   bool test __attribute__((unused)) = true;
  40
  41   // basic_ostream<_CharT, _Traits>::operator<<(__streambuf_type* __sb)
  42   // filebuf-> NULL
  43   std::wifstream f_in1(name_01);
  44   std::wofstream f_out1(name_02);
  45   std::wstringbuf* strbuf01 = NULL;
  46   iostate state01 = f_in1.rdstate();
  47   f_in1 >> strbuf01;
  48   iostate state02 = f_in1.rdstate();
  49   VERIFY( state01 != state02 );
  50   VERIFY( (state02 & std::ios_base::failbit) != 0 );
  51   state01 = f_out1.rdstate();
  52   f_out1 << strbuf01;
  53   state02 = f_out1.rdstate();
  54   VERIFY( state01 != state02 );
  55   VERIFY( (state02 & std::ios_base::badbit) != 0 );
  56
  57   // filebuf->filebuf
  58   std::wifstream f_in(name_01);
  59   std::wofstream f_out(name_02);
  60   f_out << f_in.rdbuf();
  61   f_in.close();
  62   f_out.close();
  63
  64   // filebuf->stringbuf->filebuf
  65   std::wifstream f_in2(name_03);
  66   std::wofstream f_out2(name_04); // should be different name
  67   std::wstringbuf strbuf02;
  68   f_in2 >> &strbuf02;
  69   f_out2 << &strbuf02;
  70   f_in2.close();
  71   f_out2.close();
  72 }
  73
  74 int
  75 main()
  76 {
  77   test02();
  78   return 0;
  79 }