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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();

}