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// 1999-08-11 bkoz

// Copyright (C) 1999, 2000, 2001, 2002, 2003 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.

// 27.6.1.3 unformatted input functions

#include <istream>

#include <sstream>

#include <testsuite_hooks.h>

void

test02()

{

  typedef std::char_traits<char>        traits_type;

  bool test __attribute__((unused)) = true;

  const char str_lit01[] = "\t\t\t    sun*ra \n"

  "                            "

  "and his myth science arkestra present\n"

  "                            "

  "angles and demons @ play\n"

  "                            "

  "the nubians of plutonia";

  std::string str01(str_lit01);

  std::string strtmp;

  std::stringbuf sbuf_04(str01, std::ios_base::in);

  std::istream is_00(NULL);

  std::istream is_04(&sbuf_04);

  std::ios_base::iostate state1, state2, statefail, stateeof;

  statefail = std::ios_base::failbit;

  stateeof = std::ios_base::eofbit;

  char carray1[400] = "";

  // istream& getline(char* s, streamsize n, char delim)

  // istream& getline(char* s, streamsize n)

  state1 = is_00.rdstate();

  is_00.getline(carray1, 20, '*');

  state2 = is_00.rdstate();

  // make sure failbit was set, since we couldn't extract

  // from the NULL streambuf...

  VERIFY( state1 != state2 );

  VERIFY( static_cast<bool>(state2 & statefail) );

  VERIFY( is_04.gcount() == 0 );

  state1 = is_04.rdstate();

  is_04.getline(carray1, 1, '\t'); // extracts, throws away

  state2 = is_04.rdstate();

  VERIFY( is_04.gcount() == 1 );

  VERIFY( state1 == state2 );

  VERIFY( state1 == 0 );

  VERIFY( !traits_type::compare("", carray1, 1) );

  state1 = is_04.rdstate();

  is_04.getline(carray1, 20, '*');

  state2 = is_04.rdstate();

  VERIFY( is_04.gcount() == 10 );

  VERIFY( state1 == state2 );

  VERIFY( state1 == 0 );

  VERIFY( !traits_type::compare("\t\t    sun", carray1, 10) );

  state1 = is_04.rdstate();

  is_04.getline(carray1, 20);

  state2 = is_04.rdstate();

  VERIFY( is_04.gcount() == 4 );

  VERIFY( state1 == state2 );

  VERIFY( state1 == 0 );

  VERIFY( !traits_type::compare("ra ", carray1, 4) );

  state1 = is_04.rdstate();

  is_04.getline(carray1, 65);

  state2 = is_04.rdstate();

  VERIFY( is_04.gcount() == 64 );

  VERIFY( state1 != state2 );

  VERIFY( state2 == statefail );

  VERIFY( !traits_type::compare(

  "                            and his myth science arkestra presen",

                               carray1, 65) );

  is_04.clear();

  state1 = is_04.rdstate();

  is_04.getline(carray1, 120, '|');

  state2 = is_04.rdstate();

  VERIFY( is_04.gcount() == 106 );

  VERIFY( state1 != state2 );

  VERIFY( state2 == stateeof );

  is_04.clear();

  state1 = is_04.rdstate();

  is_04.getline(carray1, 100, '|');

  state2 = is_04.rdstate();

  VERIFY( is_04.gcount() == 0 );

  VERIFY( state1 != state2 );

  VERIFY( static_cast<bool>(state2 & stateeof) );

  VERIFY( static_cast<bool>(state2 & statefail) );

}

int

main()

{

  test02();

  return 0;

}