Subversion Repositories openrisc_me

// { dg-options "-std=gnu++0x" }

// { dg-require-string-conversions "" }

// 2008-06-15  Paolo Carlini  <paolo.carlini@oracle.com>

// Copyright (C) 2008, 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/>.

// 21.4 Numeric Conversions [string.conversions]

#include <string>

#include <limits>

#include <stdexcept>

#include <testsuite_hooks.h>

void

test01()

{

#ifdef _GLIBCXX_USE_C99

  bool test __attribute__((unused)) = false;

  using namespace std;

  try

    {

      wstring one;

      stof(one);

    }

  catch(std::invalid_argument)

    {

      test = true;

    }

  catch(...)

    {

    }

  VERIFY( test );

  test = false;

  try

    {

      wstring one(L"a");

      stof(one);

    }

  catch(std::invalid_argument)

    {

      test = true;

    }

  catch(...)

    {

    }

  VERIFY( test );

  float f1 = 0.0f;

  size_t idx1 = 0;

  try

    {

      wstring one(L"2.0a");

      f1 = stof(one, &idx1);

    }

  catch(...)

    {

      test = false;

    }

  VERIFY( test );

  VERIFY( f1 == 2.0f );

  VERIFY( idx1 == 3 );

  test = false;

  try

    {

      wstring one(L"1e");

      one.append(2 * numeric_limits<float>::max_exponent10, L'9');

      f1 = stof(one);

    }

  catch(std::out_of_range)

    {

      test = true;

    }

  catch(...)

    {

    }

  VERIFY( test );

  VERIFY( f1 == 2.0f );

  try

    {

      long double ld0 = numeric_limits<float>::max() / 100.0;

      wstring one(to_wstring(ld0));

      stof(one);

    }

  catch(...)

    {

      test = false;

    }

  VERIFY( test );

  if ((numeric_limits<long double>::max() / 10000.0L)

      > numeric_limits<float>::max())

    {

      test = false;

      f1 = -1.0f;

      try

        {

          long double ld1 = numeric_limits<float>::max();

          ld1 *= 100.0;

          wstring one(to_wstring(ld1));

          f1 = stof(one);

        }

      catch(std::out_of_range)

        {

          test = true;

        }

      catch(...)

        {

        }

      VERIFY( test );

      VERIFY( f1 == -1.0f );

    }

#endif

}

int main()

{

  test01();

  return 0;

}