14.cc

linux下编程用 编译软件

// 2004-02-28  Paolo Carlini  <[e-mail]>

// Copyright (C) 2004 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// 22.2.2.1.1  num_get members

#include <locale>
#include <sstream>
#include <testsuite_hooks.h>

struct Punct: std::numpunct<char>
{
  std::string do_grouping() const { return "\1"; }
};

void test01()
{
  using namespace std;
  typedef istreambuf_iterator<char> iterator_type;
  
  bool test __attribute__((unused)) = true;

  istringstream iss;
  iss.imbue(locale(iss.getloc(), new Punct));
  const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc()); 

  ios_base::iostate err = ios_base::goodbit;
  iterator_type end;
  double d = 0.0;
  double d1 = 1000.0;
  
  iss.str("1,0e2");
  err = ios_base::goodbit;
  end = ng.get(iss.rdbuf(), 0, iss, err, d);
  VERIFY( err == ios_base::eofbit );
  VERIFY( d == d1 );
}

int main()
{
  test01();
  return 0;
}