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// Vector iterator invalidation tests

// Copyright (C) 2003, 2004, 2005 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.

// We need to be pedantic about reallocations for this testcase to be correct.

// { dg-options "-D_GLIBCXX_DEBUG_PEDANTIC" }

#ifndef _GLIBCXX_DEBUG_PEDANTIC

#  define _GLIBCXX_DEBUG_PEDANTIC 1

#endif

#include <debug/vector>

#include <testsuite_hooks.h>

using __gnu_debug::vector;

bool test = true;

// Insert

void test03()

{

  vector<int> v(10, 17);

  v.reserve(30);

  // Insert a single element

  vector<int>::iterator before = v.begin() + 6;

  vector<int>::iterator at = before + 1;

  vector<int>::iterator after = at;

  at = v.insert(at, 42);

  VERIFY(before._M_dereferenceable());

  VERIFY(at._M_dereferenceable());

  VERIFY(after._M_singular());

  // Insert multiple copies

  before = v.begin() + 6;

  at = before + 1;

  v.insert(at, 3, 42);

  VERIFY(before._M_dereferenceable());

  VERIFY(at._M_singular());

  // Insert iterator range

  static int data[] = { 2, 3, 5, 7 };

  before = v.begin() + 6;

  at = before + 1;

  v.insert(at, &data[0], &data[0] + 4);

  VERIFY(before._M_dereferenceable());

  VERIFY(at._M_singular());

  // Insert with reallocation

  before = v.begin() + 6;

  at = before + 1;

  v.insert(at, 30, 17);

  VERIFY(before._M_singular());

  VERIFY(at._M_singular());

  // Single insert with reallocation

  vector<int> v2;

  v2.reserve(100);

  at = v2.begin();

  v2.insert(at, 100, 17);

  at = v2.end() - 1;

  before = v2.begin();

  VERIFY(at._M_dereferenceable());

  VERIFY(before._M_dereferenceable());

  at = v2.insert(at, 42);

  VERIFY(at._M_dereferenceable());

  VERIFY(before._M_singular());

}

int main()

{

  test03();

  return 0;

}