libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/14.cc

   1 // 2004-02-28  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004-2017 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 // 22.2.2.1.1  num_get members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 struct Punct: std::numpunct<wchar_t>
  27 {
  28   std::string do_grouping() const { return "\1"; }
  29 };
  30
  31 void test01()
  32 {
  33   using namespace std;
  34   typedef istreambuf_iterator<wchar_t> iterator_type;
  35
  36   wistringstream iss;
  37   iss.imbue(locale(iss.getloc(), new Punct));
  38   const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc());
  39
  40   ios_base::iostate err = ios_base::goodbit;
  41   iterator_type end;
  42   double d = 0.0;
  43   double d1 = 1000.0;
  44
  45   iss.str(L"1,0e2");
  46   err = ios_base::goodbit;
  47   end = ng.get(iss.rdbuf(), 0, iss, err, d);
  48   VERIFY( err == ios_base::eofbit );
  49   VERIFY( d == d1 );
  50 }
  51
  52 int main()
  53 {
  54   test01();
  55   return 0;
  56 }