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// Copyright (C) 2004, 2009 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 3, 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 COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// 27.6.1.1.2 class basic_istream::sentry

#include <istream>

#include <sstream>

#include <testsuite_hooks.h>

void test01()

{

  bool test __attribute__((unused)) = true;

  const wchar_t* lit01 = L"stereolab on the bolsinga tip";

  const std::wstring str01(lit01);

  std::wstringbuf strbuf01;

  std::wstringbuf strbuf02(str01);

  std::wistream istr01(&strbuf01);

  std::wistream istr02(&strbuf02);

  // test negatives

  std::wistream::sentry sentry01(istr01);

  VERIFY( bool(sentry01) == false );

  std::wistream::sentry sentry02(istr01, true);

  VERIFY( bool(sentry02) == false );

  // positive tests

  std::wistream::sentry sentry03(istr02);

  VERIFY( bool(sentry03) == true );

  std::wistream::sentry sentry04(istr02, true);

  VERIFY( bool(sentry04) == true );

}

int main()

{

  test01();

  return 0;

}