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// Copyright (C) 2009 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 3, 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 COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// 22.2.2.1.1  num_get members

#include <locale>

#include <sstream>

#include <limits>

#include <testsuite_hooks.h>

// libstdc++/39802

void test01()

{

  using namespace std;

  typedef istreambuf_iterator<char> iterator_type;

  bool test __attribute__((unused)) = true;

  stringstream ss;

  const num_get<char>& ng = use_facet<num_get<char> >(ss.getloc());

  ios_base::iostate err;

  iterator_type end;

  const string empty;

  unsigned long ul0 = 1;

  const unsigned long ul1 = numeric_limits<unsigned long>::max();

  ss << "-0";

  err = ios_base::goodbit;

  end = ng.get(ss.rdbuf(), 0, ss, err, ul0);

  VERIFY( err == ios_base::eofbit );

  VERIFY( ul0 == 0 );

  ss.clear();

  ss.str(empty);

  ss << "-1";

  err = ios_base::goodbit;

  end = ng.get(ss.rdbuf(), 0, ss, err, ul0);

  VERIFY( err == ios_base::eofbit );

  VERIFY( ul0 == ul1 );

  ss.clear();

  ss.str(empty);

  ss << '-' << ul1;

  err = ios_base::goodbit;

  end = ng.get(ss.rdbuf(), 0, ss, err, ul0);

  VERIFY( err == ios_base::eofbit );

  VERIFY( ul0 == 1 );

  ss.clear();

  ss.str(empty);

  ss << '-' << ul1 << '0';

  err = ios_base::goodbit;

  end = ng.get(ss.rdbuf(), 0, ss, err, ul0);

  VERIFY( err == (ios_base::eofbit | ios_base::failbit) );

  VERIFY( ul0 == ul1 );

}

int main()

{

  test01();

  return 0;

}