libstdc++-v3/testsuite/22_locale/num_get/get/char/9.cc

   1 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   2
   3 // 2003-12-19  Paolo Carlini  <pcarlini@suse.de>
   4
   5 // Copyright (C) 2003-2020 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 22.2.2.1.1  num_get members
  23
  24 #include <locale>
  25 #include <sstream>
  26 #include <testsuite_hooks.h>
  27
  28 void test01()
  29 {
  30   using namespace std;
  31   typedef istreambuf_iterator<char> iterator_type;
  32
  33   // A locale that expects grouping
  34   locale loc_de = locale(ISO_8859(15,de_DE));
  35   istringstream iss;
  36   iss.imbue(loc_de);
  37
  38   const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc());
  39   ios_base::iostate err = ios_base::goodbit;
  40   iterator_type end;
  41   double d = 0.0;
  42   double d1 = 1e1;
  43   double d2 = 3e1;
  44
  45   iss.str("1e1,");
  46   end = ng.get(iss.rdbuf(), 0, iss, err, d);
  47   VERIFY( err == ios_base::goodbit );
  48   VERIFY( *end == ',' );
  49   VERIFY( d == d1 );
  50
  51   iss.str("3e1.");
  52   iss.clear();
  53   err = ios_base::goodbit;
  54   end = ng.get(iss.rdbuf(), 0, iss, err, d);
  55   VERIFY( err == ios_base::goodbit );
  56   VERIFY( *end == '.' );
  57   VERIFY( d == d2 );
  58 }
  59
  60 int main()
  61 {
  62   test01();
  63   return 0;
  64 }