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// 2006-03-20  Paolo Carlini  <pcarlini@suse.de>

// Copyright (C) 2006, 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 Pred 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/>.

#include <iterator>

#include <sstream>

#include <algorithm>

#include <testsuite_hooks.h>

// In the occasion of libstdc++/25482

void test01()

{

  bool test __attribute__((unused)) = true;

  using namespace std;

  typedef istreambuf_iterator<wchar_t> in_iterator_type;

  const wchar_t data1[] = L"Drei Phantasien nach Friedrich Holderlin";

  const wstring str1(data1);

  wistringstream iss1(str1);

  in_iterator_type beg1(iss1);

  in_iterator_type end1;

  wchar_t buffer1[sizeof(data1) * 5 / sizeof(wchar_t)];

  wmemset(buffer1, L'*', sizeof(buffer1) / sizeof(wchar_t));

  wchar_t* out1 = buffer1;

  out1 = copy(beg1, beg1, out1);

  VERIFY( out1 == buffer1 );

  out1 = copy(end1, end1, out1);

  VERIFY( out1 == buffer1 );

  out1 = copy(beg1, end1, out1);

  VERIFY( wstring(buffer1, out1) == str1 );

  *out1++ = L'x';

  VERIFY( wstring(buffer1, out1) == str1 + L'x' );

  wmemset(buffer1, L'*', sizeof(buffer1) / sizeof(wchar_t));

  iss1.seekg(0);

  out1 = buffer1;

  wmemset(buffer1, L'*', sizeof(buffer1) / sizeof(wchar_t));

  out1 = copy(beg1, end1, out1);

  VERIFY( wstring(buffer1, out1) == str1 );

  *out1++ = L'y';

  VERIFY( wstring(buffer1, out1) == str1 + L'y' );

  out1 = buffer1;

  wmemset(buffer1, L'*', sizeof(buffer1) / sizeof(wchar_t));

  out1 = copy(beg1, end1, out1);

  VERIFY( wstring(buffer1, out1) == L"" );

  iss1.seekg(0);

  out1 = copy(beg1, end1, out1);

  VERIFY( wstring(buffer1, out1) == str1 );

}

int main()

{

  test01();

  return 0;

}