Subversion Repositories scarts

// 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::streamsize               strmsz_1, strmsz_2;

  std::streamoff                strmof_1(-1), strmof_2;

  typedef std::stringbuf::int_type int_type;

  typedef std::stringbuf::traits_type traits_type;

  // GET

  strmof_1 = strb_01.in_avail();

  strmof_2 = strb_02.in_avail();

  strmof_1 = strb_03.in_avail();

  int_type c1 = strb_01.sbumpc();

  int_type c2 = strb_02.sbumpc();

  strb_01.sbumpc();

  int_type c4 = strb_02.sbumpc();

  int_type c5 = strb_03.sbumpc();

  // int_type sgetc()

  // if read_cur not avail, return uflow(), else return *read_cur  

  int_type c6 = strb_01.sgetc();

  int_type c7 = strb_02.sgetc();

  strb_01.sgetc();

  strb_02.sgetc();

   c5 = strb_03.sgetc();

  // int_type snextc()

  // calls sbumpc and if sbumpc != eof, return sgetc

  c6 = strb_01.snextc();

  c7 = strb_02.snextc();

  c5 = strb_03.snextc();

  // streamsize sgetn(char_type *s, streamsize n)

  // streamsize xsgetn(char_type *s, streamsize n)

  // assign up to n chars to s from input sequence, indexing in_cur as

  // approp and returning the number of chars assigned

  strmsz_1 = strb_01.in_avail();

  strmsz_2 = strb_02.in_avail();

  test = strmsz_1 != strmsz_2;

  VERIFY( strmsz_1 != static_cast<std::streamsize>(str_01.length()) );

  // because now we've moved into string

  VERIFY( strmsz_2 != static_cast<std::streamsize>(str_02.length()) );

  char carray1[11] = "";

  strmsz_1 = strb_01.sgetn(carray1, 10);

  char carray2[20] = "";

  strmsz_2 = strb_02.sgetn(carray2, 10);

  VERIFY( strmsz_1 == strmsz_2 );

  VERIFY( strmsz_1 == 10 );

  c1 = strb_01.sgetc();

  c2 = strb_02.sgetc();

  VERIFY( c6 == c1 ); //just by co-incidence both o's

  VERIFY( c7 != c2 ); // n != i

  VERIFY( c1 == str_01[13] );

  VERIFY( c2 == str_02[13] ); //should equal fourteenth letter at this point

  strmsz_1 = strb_03.sgetn(carray1, 10);

  VERIFY( !strmsz_1 ); //zero

  strmsz_1 = strb_02.in_avail();

  strmsz_2 = strb_02.sgetn(carray2, strmsz_1 + 5);

  VERIFY( strmsz_1 == strmsz_2 ); //write off the end

  c4 = strb_02.sgetc(); // should be EOF

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

}

int main()

{

  test04();

  return 0;

}

// more candy!!!