Subversion Repositories scarts

// Copyright (C) 2004 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 <cwchar> // for wcsncmp,...

#include <istream>

#include <sstream>

#include <testsuite_hooks.h>

void

test01()

{

  bool test __attribute__((unused)) = true;

  const std::wstring str_02(L"soul eyes: john coltrane quartet");

  std::wstringbuf isbuf_03(str_02, std::ios_base::in);

  std::wstringbuf isbuf_04(str_02, std::ios_base::in);

  std::wistream is_00(NULL);

  std::wistream is_03(&isbuf_03);

  std::wistream is_04(&isbuf_04);

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

  statefail = std::ios_base::failbit;

  stateeof = std::ios_base::eofbit;

  // istream& read(char_type* s, streamsize n)

  wchar_t carray[60] = L"";

  state1 = is_04.rdstate();

  is_04.read(carray, 0);

  state2 = is_04.rdstate();

  VERIFY( state1 == state2 );

  state1 = is_04.rdstate();

  is_04.read(carray, 9);

  state2 = is_04.rdstate();

  VERIFY( state1 == state2 );

  VERIFY( !std::wcsncmp(carray, L"soul eyes", 9) );

  VERIFY( is_04.peek() == L':' );

  state1 = is_03.rdstate();

  is_03.read(carray, 60);

  state2 = is_03.rdstate();

  VERIFY( state1 != state2 );

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

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

  VERIFY( !std::wcsncmp(carray, L"soul eyes: john coltrane quartet", 35) );

}

int

main()

{

  test01();

  return 0;

}