libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/wchar_t/3.cc

   1 // Copyright (C) 2003-2014 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 3, 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 COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 27.8.1.4 Overridden virtual functions
  19
  20 #include <fstream>
  21 #include <testsuite_hooks.h>
  22
  23 void test03()
  24 {
  25   using namespace std;
  26   bool test __attribute__((unused)) = true;
  27
  28   const char* name = "tmp_seekoff_3";
  29
  30   wfilebuf fb;
  31
  32   fb.open(name, ios_base::out);
  33   fb.sputc(0xf001);
  34
  35   try
  36     {
  37       // seekoff should flush the output sequence, which will fail
  38       // if the output buffer contains illegal characters.
  39       fb.pubseekoff(0, ios_base::cur);
  40       VERIFY( false );
  41     }
  42   catch (std::exception&)
  43     {
  44     }
  45 }
  46
  47 int main()
  48 {
  49   test03();
  50   return 0;
  51 }