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

   1 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   2
   3 // 2003-05-13 Benjamin Kosnik  <bkoz@redhat.com>
   4
   5 // Copyright (C) 2003-2021 Free Software Foundation, Inc.
   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 // 27.8.1.4 Overridden virtual functions
  23
  24 #include <fstream>
  25 #include <locale>
  26 #include <testsuite_hooks.h>
  27
  28 void test02()
  29 {
  30   using namespace std;
  31   const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
  32
  33   locale loc;
  34   wfilebuf 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   // According to 27.5.2.2.1, p1, loc == getloc() after pubimbue(loc).
  45   locale loc_de = locale(ISO_8859(15,de_DE));
  46   locale ret = ob.pubimbue(loc_de);
  47   VERIFY( ob.getloc() == loc_de );
  48 }
  49
  50 int main()
  51 {
  52   test02();
  53   return 0;
  54 }