old-autovect-branch/libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/char/08.cc

   1 // 1999-04-12 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2002, 2003 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 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 // 27.6.1.2.2 arithmetic extractors
  22
  23 #include <istream>
  24 #include <sstream>
  25 #include <locale>
  26 #include <testsuite_hooks.h>
  27
  28 namespace std {
  29   class test_numpunct2 : public numpunct<char>
  30   {
  31   protected:
  32     string
  33     do_grouping() const
  34     { return string("\002\003"); }
  35   };
  36 } // namespace std
  37
  38 void test08()
  39 {
  40   // manufactured locale, grouping is turned on
  41   bool test __attribute__((unused)) = true;
  42   unsigned int h4 = 0, h3 = 0, h2 = 0;
  43   const std::string s1("1,22 205,19 22,123,22");
  44
  45   std::istringstream is(s1);
  46   is.imbue(std::locale(std::locale(), new std::test_numpunct2));
  47
  48   // Basic operation.
  49   is >> h4;
  50   VERIFY( h4 == 122 );
  51   VERIFY( is.good() );
  52
  53   is.clear();
  54   is >> h3;
  55   VERIFY( h3 == 20519 );
  56   VERIFY( is.good() );
  57
  58   is.clear();
  59   is >> h2;
  60   VERIFY( h2 == 2212322 );
  61   VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
  62 }
  63
  64 int main()
  65 {
  66   test08();
  67   return 0;
  68 }