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// 1999-06-08 bkoz
 
// Copyright (C) 1999, 2003 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.
 
// 21.3 template class basic_string
 
#include <string>
#include <stdexcept>
#include <testsuite_hooks.h>
 
// Do another sanity check, this time for member functions that return
// iterators, namely insert and erase.
bool test02(void)
{
  bool test __attribute__((unused)) = true;
  typedef std::wstring::size_type csize_type;
  typedef std::wstring::iterator siterator;
  typedef std::wstring::reverse_iterator sriterator;
  siterator it1;
  sriterator rit1;  
 
  const std::wstring str01(L"its beach, santa cruz");
 
  std::wstring str02 = str01;
  std::wstring str05 = str02; // optional, so that begin below causes a mutate
  std::wstring::iterator p = str02.insert(str02.begin(), L' ');
  std::wstring str03 = str02;
  VERIFY( str03 == str02 );
  *p = L'!';
  VERIFY( *str03.c_str() == L' ' );
  str03[0] = L'@';
  VERIFY( str02[0] == L'!' );
  VERIFY( *p == L'!' );
  VERIFY( str02 != str05 );
  VERIFY( str02 != str03 );
 
  std::wstring str10 = str01;
  std::wstring::iterator p2 = str10.insert(str10.begin(), L'a');
  std::wstring str11 = str10;
  *p2 = L'e';
  VERIFY( str11 != str10 );
 
  std::wstring str06 = str01;
  std::wstring str07 = str06; // optional, so that begin below causes a mutate
  p = str06.erase(str06.begin());
  std::wstring str08 = str06;
  VERIFY( str08 == str06 );
  *p = L'!';
  VERIFY( *str08.c_str() == L't' );
  str08[0] = L'@';
  VERIFY( str06[0] == L'!' );
  VERIFY( *p == L'!' );
  VERIFY( str06 != str07 );
  VERIFY( str06 != str08 );
 
  std::wstring str12 = str01;
  p2 = str12.erase(str12.begin(), str12.begin() + str12.size() - 1);
  std::wstring str13 = str12;
  *p2 = L'e';
  VERIFY( str12 != str13 );
  return test;
}
 
int main()
{ 
  test02();
  return 0;
}