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// { dg-options "-std=gnu++0x" }
// 2008-07-22  Edward Smith-Rowland  <3dw4rd@verizon.net>
//
// Copyright (C) 2009, 2010 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/>.
 
#include <set>
#include <testsuite_hooks.h>
 
//  DR 130. Associative erase should return an iterator.
void
test01()
{
  bool test __attribute__((unused)) = true;
  using namespace std;
 
  set<int> s0;
  typedef set<int>::iterator iterator;
  typedef set<int>::const_iterator const_iterator;
  typedef pair<iterator, bool> insert_return_type;
 
  s0.insert(1);
  insert_return_type irt1 = s0.insert(2);
  insert_return_type irt2 = s0.insert(3);
 
  iterator pos1 = s0.erase(irt1.first);
  VERIFY( pos1 == irt2.first );
 
  iterator pos2 = s0.erase(irt2.first);
  VERIFY( pos2 == s0.end() );
}
 
void
test02()
{
  bool test __attribute__((unused)) = true;
  using namespace std;
 
  set<int> s0;
  typedef set<int>::iterator iterator;
  typedef set<int>::const_iterator const_iterator;
  typedef pair<iterator, bool> insert_return_type;
 
  insert_return_type irt0 = s0.insert(1);
  s0.insert(2);
  insert_return_type irt2 = s0.insert(3);
  insert_return_type irt3 = s0.insert(4);
 
  iterator pos1 = s0.erase(irt0.first, irt2.first);
  VERIFY( pos1 == irt2.first );
 
  iterator pos2 = s0.erase(irt2.first, ++irt3.first);
  VERIFY( pos2 == s0.end() );
}
 
int
main()
{
  test01();
  test02();
}