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

   1 // { dg-require-namedlocale "" }
   2
   3 // Copyright (C) 2005 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 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 #include <iostream>
  22 #include <iomanip>
  23 #include <locale>
  24 #include <sstream>
  25 #include <limits>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test02()
  30 {
  31   using namespace std;
  32   bool test __attribute__((unused)) = true;
  33
  34   // Make sure we can output a long float in fixed format
  35   // without seg-faulting (libstdc++/4402)
  36   double val2 = 3.5e230;
  37
  38   wostringstream os2;
  39   os2.precision(3);
  40   os2.setf(wios::fixed);
  41
  42   // Check it can be done in a locale with grouping on.
  43   locale loc2 = locale("de_DE");
  44   os2.imbue(loc2);
  45   os2 << fixed << setprecision(3) << val2 << endl;
  46   os2 << endl;
  47   os2 << fixed << setprecision(1) << val2 << endl;
  48 }
  49
  50 int
  51 main()
  52 {
  53   test02();
  54   return 0;
  55 }