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// Copyright (C) 2005, 2009 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 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/>.

// 27.6.2.5.4 basic_ostream character inserters

#include <string>

#include <ostream>

#include <sstream>

#include <testsuite_hooks.h>

// ostringstream and positioning, multiple writes

// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00326.html

void test06()

{

  bool test __attribute__((unused)) = true;

  const wchar_t carray01[] = L"mos def & talib kweli are black star";

  // normal

  std::wostringstream ostr1(L"mos def");

  VERIFY( ostr1.str() == L"mos def" );

  ostr1 << L" & talib kweli";  // should overwrite first part of buffer

  VERIFY( ostr1.str() == L" & talib kweli" );

  ostr1 << L" are black star";  // should append to string from above

  VERIFY( ostr1.str() != carray01 );

  VERIFY( ostr1.str() == L" & talib kweli are black star" );

  // appending

  std::wostringstream ostr2(L"blackalicious",

                            std::ios_base::out | std::ios_base::ate);

  VERIFY( ostr2.str() == L"blackalicious" );

  ostr2 << L" NIA ";  // should not overwrite first part of buffer

  VERIFY( ostr2.str() == L"blackalicious NIA " );

  ostr2 << L"4: deception (5:19)";  // should append to full string from above

  VERIFY( ostr2.str() == L"blackalicious NIA 4: deception (5:19)" );

}

int main()

{

  test06();

  return 0;

}