libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/2.cc

   1 // 2003-05-13 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 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 // 27.8.1.4 Overridden virtual functions
  22
  23 #include <fstream>
  24 #include <locale>
  25 #include <testsuite_hooks.h>
  26
  27 void test02()
  28 {
  29   using namespace std;
  30   bool test __attribute__((unused)) = true;
  31   const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
  32
  33   locale loc;
  34   filebuf ob;
  35   VERIFY( ob.getloc() == loc );
  36   ob.open(name_01, ios_base::in);
  37   VERIFY( ob.is_open() );
  38
  39   typedef streambuf::pos_type pos_type;
  40   pos_type bad = pos_type(streambuf::off_type(-1));
  41   pos_type p = ob.pubseekoff(2, ios_base::beg, ios_base::in);
  42   VERIFY( p != bad);
  43
  44   // 1 "if file is not positioned at its beginning" fails...
  45   locale loc_de = __gnu_test::try_named_locale("de_DE");
  46   locale ret = ob.pubimbue(loc_de);
  47   VERIFY( ob.getloc() == loc );
  48 }
  49
  50 int main()
  51 {
  52   test02();
  53   return 0;
  54 }