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

   1 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   2
   3 // 2005-04-08  Paolo Carlini  <pcarlini@suse.de>
   4
   5 // Copyright (C) 2005-2023 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 // 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
  33   // A locale that expects grouping.
  34   locale loc_de = locale(ISO_8859(15,de_DE));
  35
  36   const wstring empty;
  37   wstring result;
  38
  39   wostringstream oss;
  40   oss.imbue(loc_de);
  41   const num_put<wchar_t>& np = use_facet<num_put<wchar_t> >(oss.getloc());
  42
  43   double d0 = 2e20;
  44   double d1 = -2e20;
  45
  46   oss.str(empty);
  47   oss.clear();
  48   np.put(oss.rdbuf(), oss, L'*', d0);
  49   result = oss.str();
  50   VERIFY( result == L"2e+20" );
  51
  52   oss.str(empty);
  53   oss.clear();
  54   np.put(oss.rdbuf(), oss, L'*', d1);
  55   result = oss.str();
  56   VERIFY( result == L"-2e+20" );
  57
  58   oss.str(empty);
  59   oss.clear();
  60   oss.setf(ios::uppercase);
  61   np.put(oss.rdbuf(), oss, L'*', d0);
  62   result = oss.str();
  63   VERIFY( result == L"2E+20" );
  64
  65   oss.str(empty);
  66   oss.clear();
  67   oss.setf(ios::showpos);
  68   np.put(oss.rdbuf(), oss, L'*', d0);
  69   result = oss.str();
  70   VERIFY( result == L"+2E+20" );
  71 }
  72
  73 int main()
  74 {
  75   test01();
  76   return 0;
  77 }
  78
  79