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// 981208 bkoz test functionality of basic_stringbuf for char_type == char

// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

#include <sstream>

#include <testsuite_hooks.h>

std::string str_01("mykonos. . . or what?");

std::string str_02("paris, or sainte-maxime?");

std::string str_03;

std::stringbuf strb_01(str_01);

std::stringbuf strb_02(str_02, std::ios_base::in);

std::stringbuf strb_03(str_03, std::ios_base::out);

// test overloaded virtual functions

void test04()

{

  bool test __attribute__((unused)) = true;

  std::string           str_tmp;

  std::streamsize               strmsz_1, strmsz_2;

  typedef std::stringbuf::int_type int_type;

  typedef std::stringbuf::traits_type traits_type;

  int_type c1 = strb_01.sbumpc();

  int_type c2 = strb_02.sbumpc();

  int_type c3 = strb_01.sbumpc();

  int_type c4 = strb_02.sbumpc();

  // PUT

  strb_03.str(str_01); //reset

  std::string::size_type sz1 = strb_03.str().length();

  std::string::size_type sz2 = strb_03.str().length();

  // streamsize sputn(const char_typs* s, streamsize n)

  // write up to n chars to out_cur from s, returning number assigned

  // NB *sputn will happily put '\0' into your stream if you give it a chance*

  str_tmp = strb_03.str();

  sz1 = str_tmp.length();

  strmsz_1 = strb_03.sputn("racadabras", 10);//"abracadabras or what?"

  sz2 = strb_03.str().length();

  strmsz_2 = strb_03.sputn(", i wanna reach out and", 10);

  sz2 = strb_03.str().length();

  str_tmp = strb_02.str();

  strmsz_1 = strb_02.sputn("racadabra", 10);

  // PUTBACK

  // int_type sputbackc(char_type c)

  // if in_cur not avail || ! traits::eq(c, gptr() [-1]), return pbfail

  // otherwise decrements in_cur and returns *gptr()

  strmsz_1 = strb_01.in_avail();

  str_tmp = strb_01.str();

  c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?"

  c2 = strb_01.sputbackc('z');//"mykonos. . .zor what?"

  c3 = strb_01.sgetc();

  //test for _in_cur == _in_beg

  strb_01.str(str_tmp);

  strmsz_1 = strb_01.in_avail();

  c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?"

  c2 = strb_01.sputbackc('z');//"mykonos. . . or what?"

  c3 = strb_01.sgetc();

  // test for replacing char with identical one

  strb_01.str(str_01); //reset

  strmsz_1 = strb_01.in_avail();

  strb_01.sbumpc();

  strb_01.sbumpc();

  c1 = strb_01.sgetc(); //"my'k'onos. . . or what?"

  c2 = strb_01.sputbackc('y');//"mykonos. . . or what?"

  c3 = strb_01.sgetc();

  //test for ios_base::out

  strmsz_2 = strb_03.in_avail();

  c4 = strb_03.sputbackc('x');

  // int_type sungetc()

  // if in_cur not avail, return pbackfail(), else decrement and

  // return to_int_type(*gptr())

  for (int i = 0; i<12; ++i)

    strb_01.sbumpc();

  strmsz_1 = strb_01.in_avail();

  str_tmp = strb_01.str();

  c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?"

  c2 = strb_01.sungetc();//"mykonos. . . or what?"

  c3 = strb_01.sgetc();

  VERIFY( c1 != c2 );

  VERIFY( c3 == c2 );

  VERIFY( c1 != c3 );

  VERIFY( c2 == ' ' );

  VERIFY( strb_01.str() == str_01 );

  VERIFY( str_01.size() == strb_01.str().size() );

  //test for _in_cur == _in_beg

  strb_01.str(str_tmp);

  strmsz_1 = strb_01.in_avail();

  c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?"

  c2 = strb_01.sungetc();//"mykonos. . . or what?"

  c3 = strb_01.sgetc();

  VERIFY( c1 != c2 );

  VERIFY( c3 != c2 );

  VERIFY( c1 == c3 );

  VERIFY( c2 == traits_type::eof() );

  VERIFY( strb_01.str() == str_01 );

  VERIFY( str_01.size() == strb_01.str().size() );

  // test for replacing char with identical one

  strb_01.str(str_01); //reset

  strmsz_1 = strb_01.in_avail();

  strb_01.sbumpc();

  strb_01.sbumpc();

  c1 = strb_01.sgetc(); //"my'k'onos. . . or what?"

  c2 = strb_01.sungetc();//"mykonos. . . or what?"

  c3 = strb_01.sgetc();

  VERIFY( c1 != c2 );

  VERIFY( c3 == c2 );

  VERIFY( c1 != c3 );

  VERIFY( strb_01.str() == str_01 );

  VERIFY( str_01.size() == strb_01.str().size() );

  //test for ios_base::out

  strmsz_2 = strb_03.in_avail();

  c4 = strb_03.sungetc();

  VERIFY( c4 == traits_type::eof() );

}

int main()

{

  test04();

  return 0;

}

// more candy!!!