libstdc++-v3/testsuite/23_containers/list/invalidation/4.cc

   1 // List iterator invalidation tests
   2
   3 // Copyright (C) 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #include <debug/list>
  22 #include <iterator>
  23 #include <testsuite_hooks.h>
  24
  25 using __gnu_debug::list;
  26 using std::advance;
  27
  28 bool test = true;
  29
  30 // Splice
  31 void test04()
  32 {
  33   list<int> l1(10, 17);
  34   list<int> l2(10, 42);
  35
  36   list<int>::iterator start2 = l2.begin();
  37   list<int>::iterator end2 = start2;
  38   advance(end2, 5);
  39   list<int>::iterator after2 = end2;
  40   advance(after2, 2);
  41
  42   l1.splice(l1.begin(), l2, start2, end2);
  43   VERIFY(start2._M_dereferenceable());
  44   VERIFY(end2._M_dereferenceable());
  45   VERIFY(after2._M_dereferenceable());
  46   VERIFY(start2._M_attached_to(&l1));
  47   VERIFY(end2._M_attached_to(&l2));
  48   VERIFY(after2._M_attached_to(&l2));
  49 }
  50
  51 int main()
  52 {
  53   test04();
  54   return !test;
  55 }