libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/14220.cc

   1 // 2004-04-30  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004-2020 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 // 22.2.2.2.1  num_put members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 // libstdc++/14220
  27 void test01()
  28 {
  29   using namespace std;
  30
  31   wostringstream oss;
  32   const num_put<wchar_t>& np = use_facet<num_put<wchar_t> >(oss.getloc());
  33
  34   const int precision = 1000;
  35
  36   oss.precision(precision);
  37   oss.setf(ios_base::fixed);
  38   np.put(oss.rdbuf(), oss, L'+', 1.0);
  39   const wstring result = oss.str();
  40   VERIFY( result.size() == precision + 2 );
  41 }
  42
  43 int main()
  44 {
  45   test01();
  46   return 0;
  47 }