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// { dg-require-swprintf "" }

// Copyright (C) 2005, 2006, 2007, 2009 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 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/>.

#include <cstdio> // for swprintf

#include <iostream>

#include <iomanip>

#include <sstream>

#include <limits>

#include <testsuite_hooks.h>

void

test02()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  // make sure we can output a very long float

  long double val = numeric_limits<long double>::max();

  int prec = numeric_limits<long double>::digits10;

  wostringstream os;

  os.precision(prec);

  os.setf(wios::scientific);

  os << val;

  wchar_t largebuf[512];

  swprintf(largebuf, 512, L"%.*Le", prec, val);

#ifdef TEST_NUMPUT_VERBOSE

  cout << "expect: " << largebuf << endl;

  cout << "result: " << os.str() << endl;

#endif

  VERIFY( os && os.str() == largebuf );

  // Make sure we can output a long float in fixed format

  // without seg-faulting (libstdc++/4402)

  double val2 = numeric_limits<double>::max();

  wostringstream os2;

  os2.precision(3);

  os2.setf(wios::fixed);

  os2 << val2;

  swprintf(largebuf, 512, L"%.*f", 3, val2);

#ifdef TEST_NUMPUT_VERBOSE

  cout << "expect: " << largebuf << endl;

  cout << "result: " << os2.str() << endl;

#endif

  VERIFY( os2 && os2.str() == largebuf );

}

int

main()

{

  test02();

  return 0;

}