Subversion Repositories scarts

// Copyright (C) 2005 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.

// 27.6.2.5.3 basic_ostream manipulator inserters

//

// _GLIBCXX_RESOLVE_LIB_DEFECTS

// DR 60. What is a formatted input function?

// Inserters for manipulators do not behave as formatted output functions.

#include <ostream>

#include <stdexcept>

#include <testsuite_hooks.h>

#include <testsuite_io.h>

std::wostream& func1(std::wostream&)

{ throw std::runtime_error(""); }

std::wios& func2(std::wios&)

{ throw std::runtime_error(""); }

std::ios_base& func3(std::ios_base&)

{ throw std::runtime_error(""); }

template<typename T>

void test(T& (*f)(T&))

{

  bool test __attribute__((unused)) = true;

  __gnu_test::sync_wstreambuf buf;

  std::wostream os(&buf);

  __gnu_test::sync_wstreambuf buf_tie;

  std::wostream os_tie(&buf_tie);

  // No sentry should be constructed so os.tie()->flush() should not be

  // called.

  os.tie(&os_tie);

  try

    {

      os << f;

      // Exceptions thrown by f should not be caught

      VERIFY( false );

    }

  catch (std::runtime_error&)

    {

    }

  // Exceptions thrown by f should not cause badbit to be set

  VERIFY( os.good() );

  VERIFY( !buf_tie.sync_called() );

  // The manipulator should be called even if !os.good().

  os.setstate(std::ios_base::eofbit);

  try

    {

      os << f;

      // Exceptions thrown by f should not be caught

      VERIFY( false );

    }

  catch (std::runtime_error&)

    {

    }

  // Exceptions thrown by f should not cause badbit to be set

  VERIFY( os.rdstate() == std::ios_base::eofbit );

  VERIFY( !buf_tie.sync_called() );

}

void test05()

{

  test(&func1);

  test(&func2);

  test(&func3);

}

int main()

{

  test05();

  return 0;

}