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 Free Software Foundation
   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 // 22.2.2.1.1  num_get members
  22
  23 #include <locale>
  24 #include <sstream>
  25 #include <testsuite_hooks.h>
  26
  27 struct Punct: std::numpunct<wchar_t>
  28 {
  29   std::string do_grouping() const { return "\1"; }
  30 };
  31
  32 void test01()
  33 {
  34   using namespace std;
  35   typedef istreambuf_iterator<wchar_t> iterator_type;
  36
  37   bool test __attribute__((unused)) = true;
  38
  39   wistringstream iss;
  40   iss.imbue(locale(iss.getloc(), new Punct));
  41   const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc());
  42
  43   ios_base::iostate err = ios_base::goodbit;
  44   iterator_type end;
  45   double d = 0.0;
  46   double d1 = 1000.0;
  47
  48   iss.str(L"1,0e2");
  49   err = ios_base::goodbit;
  50   end = ng.get(iss.rdbuf(), 0, iss, err, d);
  51   VERIFY( err == ios_base::eofbit );
  52   VERIFY( d == d1 );
  53 }
  54
  55 int main()
  56 {
  57   test01();
  58   return 0;
  59 }