libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/11389-2.cc

   1 // { dg-require-namedlocale "en_US.UTF-8" }
   2
   3 // Copyright (C) 2003, 2005, 2009 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 27.8.1.4 Overridden virtual functions
  21
  22 #include <fstream>
  23 #include <testsuite_hooks.h>
  24
  25 const char name_02[] = "tmp_11389-2";
  26
  27 void test02()
  28 {
  29   using namespace std;
  30   bool test __attribute__((unused)) = true;
  31
  32   filebuf fbout;
  33   fbout.open(name_02, ios_base::out);
  34   fbout.sputc('a');
  35   fbout.sputc('b');
  36   fbout.close();
  37
  38   wfilebuf fbin;
  39   locale loc(locale("en_US.UTF-8"));
  40   fbin.pubimbue(loc);
  41   fbin.open(name_02, ios_base::in);
  42   VERIFY( fbin.sbumpc() == L'a' );
  43   VERIFY( fbin.sbumpc() == L'b' );
  44   VERIFY( fbin.sgetc() == wfilebuf::traits_type::eof() );
  45   fbin.close();
  46 }
  47
  48 int main()
  49 {
  50   test02();
  51   return 0;
  52 }