libstdc++-v3/testsuite/22_locale/num_put/put/char/5.cc

   1 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2002, 2003 Free Software Foundation
   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 // 22.2.2.2.1  num_put members
  22
  23 #include <locale>
  24 #include <sstream>
  25 #include <testsuite_hooks.h>
  26
  27 // Make sure that, in a locale that expects grouping, when showbase
  28 // is true, an hexadecimal or octal zero is correctly output (the case
  29 // of zero is special since there is no 0x, 0 respectively, prefix)
  30 void test05()
  31 {
  32   using namespace std;
  33   bool test __attribute__((unused)) = true;
  34
  35   // A locale that expects grouping.
  36   locale loc_de = __gnu_test::try_named_locale("de_DE");
  37
  38   const string empty;
  39   string result;
  40
  41   ostringstream oss;
  42   oss.imbue(loc_de);
  43   const num_put<char>& np = use_facet<num_put<char> >(oss.getloc());
  44
  45   long l = 0;
  46
  47   oss.str(empty);
  48   oss.clear();
  49   oss.setf(ios::showbase);
  50   oss.setf(ios::hex, ios::basefield);
  51   np.put(oss.rdbuf(), oss, '+', l);
  52   result = oss.str();
  53   VERIFY( result == "0" );
  54
  55   oss.str(empty);
  56   oss.clear();
  57   oss.setf(ios::showbase);
  58   oss.setf(ios::oct, ios::basefield);
  59   np.put(oss.rdbuf(), oss, '+', l);
  60   result = oss.str();
  61   VERIFY( result == "0" );
  62 }
  63
  64 int main()
  65 {
  66   test05();
  67   return 0;
  68 }
  69
  70