old-autovect-branch/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20909.cc

   1 // { dg-require-namedlocale "" }
   2
   3 // 2005-04-08  Paolo Carlini  <pcarlini@suse.de>
   4
   5 // Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 // 22.2.2.2.1  num_put members
  24
  25 #include <locale>
  26 #include <sstream>
  27 #include <testsuite_hooks.h>
  28
  29 // libstdc++/20909
  30 void test01()
  31 {
  32   using namespace std;
  33   bool test __attribute__((unused)) = true;
  34
  35   // A locale that expects grouping.
  36   locale loc_de = locale("de_DE");
  37
  38   const wstring empty;
  39   wstring result;
  40
  41   wostringstream oss;
  42   oss.imbue(loc_de);
  43   const num_put<wchar_t>& np = use_facet<num_put<wchar_t> >(oss.getloc());
  44
  45   double d0 = 2e20;
  46   double d1 = -2e20;
  47
  48   oss.str(empty);
  49   oss.clear();
  50   np.put(oss.rdbuf(), oss, L'*', d0);
  51   result = oss.str();
  52   VERIFY( result == L"2e+20" );
  53
  54   oss.str(empty);
  55   oss.clear();
  56   np.put(oss.rdbuf(), oss, L'*', d1);
  57   result = oss.str();
  58   VERIFY( result == L"-2e+20" );
  59
  60   oss.str(empty);
  61   oss.clear();
  62   oss.setf(ios::uppercase);
  63   np.put(oss.rdbuf(), oss, L'*', d0);
  64   result = oss.str();
  65   VERIFY( result == L"2E+20" );
  66
  67   oss.str(empty);
  68   oss.clear();
  69   oss.setf(ios::showpos);
  70   np.put(oss.rdbuf(), oss, L'*', d0);
  71   result = oss.str();
  72   VERIFY( result == L"+2E+20" );
  73 }
  74
  75 int main()
  76 {
  77   test01();
  78   return 0;
  79 }
  80
  81