gcc/libstdc++-v3/testsuite/27_io/narrow_stream_objects.cc

// 2000-08-02 bkoz

// Copyright (C) 2000, 2001 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

// Include all the headers except for iostream.
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <cassert>
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <testsuite_hooks.h>

// Include iostream last, just to make is as difficult as possible to
// properly initialize the standard iostream objects.
#include <iostream>

// Make sure all the standard streams are defined.
int
test01()
{
  bool test = true;

  char array1[20];
  typedef std::ios::traits_type ctraits_type;
  ctraits_type::int_type i = 15;
  ctraits_type::copy(array1, "testing istream", i);
  array1[i] = '\0';
  std::cout << "testing cout" << std::endl;
  std::cerr << "testing cerr" << std::endl;
  VERIFY( std::cerr.flags() & std::ios_base::unitbuf );
  std::clog << "testing clog" << std::endl;
  // std::cin >> array1; // requires somebody to type something in.
  VERIFY( std::cin.tie() == &std::cout );

  return 0;
}

// libstdc++/2523
void test02()
{
  using namespace std;
  int i;
  cin >> i;
  cout << "i == " << i << endl;
}

// libstdc++/2523
void test03()
{
  using namespace std;
  ios_base::sync_with_stdio(false);

  int i;
  cin >> i;
  cout << "i == " << i << endl;
}

int 
main()
{
  test01();

  // test02();
  // test03();
  return 0;
}