libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/08.cc

   1 // Copyright (C) 2004-2013 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 27.6.1.2.2 arithmetic extractors
  19
  20 #include <istream>
  21 #include <sstream>
  22 #include <locale>
  23 #include <testsuite_hooks.h>
  24
  25 namespace std {
  26   class test_numpunct2 : public numpunct<wchar_t>
  27   {
  28   protected:
  29     string
  30     do_grouping() const
  31     { return string("\002\003"); }
  32   };
  33 } // namespace std
  34
  35 void test08()
  36 {
  37   // manufactured locale, grouping is turned on
  38   bool test __attribute__((unused)) = true;
  39   unsigned int h4 = 0, h3 = 0, h2 = 0;
  40   const std::wstring s1(L"1,22 205,19 22,123,22");
  41
  42   std::wistringstream is(s1);
  43   is.imbue(std::locale(std::locale(), new std::test_numpunct2));
  44
  45   // Basic operation.
  46   is >> h4;
  47   VERIFY( h4 == 122 );
  48   VERIFY( is.good() );
  49
  50   is.clear();
  51   is >> h3;
  52   VERIFY( h3 == 20519 );
  53   VERIFY( is.good() );
  54
  55   is.clear();
  56   is >> h2;
  57   VERIFY( h2 == 2212322 );
  58   VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
  59 }
  60
  61 int main()
  62 {
  63   test08();
  64   return 0;
  65 }