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

// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

// 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::wstring str_01(L"mykonos. . . or what?");

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

std::wstring str_03;

std::wstringbuf strb_01(str_01);

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

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

// test member functions

void test03()

{

  bool test __attribute__((unused)) = true;

  // stringbuf::str()

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

  VERIFY( strb_02.str() == str_02 );

  VERIFY( strb_03.str() == str_03 );

  // stringbuf::str(string&)

  strb_03.str(L"none of the above, go to the oberoi in cairo, egypt.");

  strb_03.str(str_01);

  std::streamsize d1 = strb_01.in_avail();

  std::streamsize d2 = strb_03.in_avail();

  VERIFY( d1 ); // non-zero

  VERIFY( d2 == -1 ); // -1, cuz ios_base::out

  VERIFY( d1 != d2 ); //these should be the same

  VERIFY( static_cast<std::streamsize>(str_01.length()) == d1 );

  VERIFY( strb_01.str() == strb_03.str() ); //ditto

  // stringbuf::str(string&) and stringbuf::stringbuf(string&), where the

  // string in question contains embedded NUL characters.  Note that in this

  // embedded-NUL situation, the size must be passed to the string ctor.

  std::wstring str_nulls(L"eschew \0 obfuscation", 20);  // tested in 21_strings

  std::wstringbuf strb_normal(str_01);

  std::wstringbuf strb_nulls(str_nulls);

  strb_normal.str(str_nulls);  // tried using 'strb_01' rather than declaring

                               // another variable, but then test04 broke!

  VERIFY( strb_nulls.in_avail() == static_cast<std::streamsize>(str_nulls.size())  );

  VERIFY( strb_nulls.str().size() == 20 );

  VERIFY( strb_normal.in_avail() == static_cast<std::streamsize>(str_nulls.size()) );

}

int main()

{

  test03();

  return 0;

}

// more candy!!!