libstdc++-v3/testsuite/22_locale/num_put/put/char/20909.cc

   1 // { dg-require-namedlocale "" }
   2
   3 // 2005-04-08  Paolo Carlini  <pcarlini@suse.de>
   4
   5 // Copyright (C) 2005, 2009 Free Software Foundation
   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 // 22.2.2.2.1  num_put members
  23
  24 #include <locale>
  25 #include <sstream>
  26 #include <testsuite_hooks.h>
  27
  28 // libstdc++/20909
  29 void test01()
  30 {
  31   using namespace std;
  32   bool test __attribute__((unused)) = true;
  33
  34   // A locale that expects grouping.
  35   locale loc_de = locale("de_DE");
  36
  37   const string empty;
  38   string result;
  39
  40   ostringstream oss;
  41   oss.imbue(loc_de);
  42   const num_put<char>& np = use_facet<num_put<char> >(oss.getloc());
  43
  44   double d0 = 2e20;
  45   double d1 = -2e20;
  46
  47   oss.str(empty);
  48   oss.clear();
  49   np.put(oss.rdbuf(), oss, '*', d0);
  50   result = oss.str();
  51   VERIFY( result == "2e+20" );
  52
  53   oss.str(empty);
  54   oss.clear();
  55   np.put(oss.rdbuf(), oss, '*', d1);
  56   result = oss.str();
  57   VERIFY( result == "-2e+20" );
  58
  59   oss.str(empty);
  60   oss.clear();
  61   oss.setf(ios::uppercase);
  62   np.put(oss.rdbuf(), oss, '*', d0);
  63   result = oss.str();
  64   VERIFY( result == "2E+20" );
  65
  66   oss.str(empty);
  67   oss.clear();
  68   oss.setf(ios::showpos);
  69   np.put(oss.rdbuf(), oss, '*', d0);
  70   result = oss.str();
  71   VERIFY( result == "+2E+20" );
  72 }
  73
  74 int main()
  75 {
  76   test01();
  77   return 0;
  78 }
  79
  80