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// Copyright (C) 2004 Free Software Foundation, Inc.

//

// 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.

// 27.6.1.2.2 arithmetic extractors

#include <istream>

#include <sstream>

#include <locale>

#include <testsuite_hooks.h>

// libstdc++/3720 part two

void test13()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  const wchar_t* l2 = L"1.2345678901234567890123456789012345678901234567890123456"

                      L"  "

                      L"1246.9";

  // 1 

  // used to core.

  double d;

  wistringstream iss1(l2);

  iss1 >> d;

  iss1 >> d;

  VERIFY ( d > 1246 && d < 1247 );

  // 2

  // quick test for failbit on maximum length extraction.

  int i;

  int max_digits = numeric_limits<int>::digits10 + 1;

  wstring digits;

  for (int j = 0; j < max_digits; ++j)

    digits += L'1';

  wistringstream iss2(digits);

  iss2 >> i;

  VERIFY( !iss2.fail() );

  digits += L'1';

  i = 0;

  iss2.str(digits);

  iss2.clear();

  iss2 >> i;

  VERIFY( i == 0 );

  VERIFY( iss2.fail() );

}

int main()

{

  test13();

  return 0;

}