libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/2.cc

   1 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   2
   3 // Copyright (C) 2005-2024 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 #include <iostream>
  21 #include <iomanip>
  22 #include <locale>
  23 #include <sstream>
  24 #include <limits>
  25 #include <testsuite_hooks.h>
  26
  27 void
  28 test02()
  29 {
  30   using namespace std;
  31
  32   // Make sure we can output a long float in fixed format
  33   // without seg-faulting (libstdc++/4402)
  34   double val2 = 3.5e230;
  35
  36   wostringstream os2;
  37   os2.precision(3);
  38   os2.setf(wios::fixed);
  39
  40   // Check it can be done in a locale with grouping on.
  41   locale loc2 = locale(ISO_8859(15,de_DE));
  42   os2.imbue(loc2);
  43   os2 << fixed << setprecision(3) << val2 << endl;
  44   os2 << endl;
  45   os2 << fixed << setprecision(1) << val2 << endl;
  46 }
  47
  48 int
  49 main()
  50 {
  51   test02();
  52   return 0;
  53 }