libstdc++-v3/testsuite/23_containers/list/invalidation/1.cc

   1 // List iterator invalidation tests
   2
   3 // Copyright (C) 2003, 2004, 2005, 2006, 2009 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <debug/list>
  21 #include <iterator>
  22 #include <testsuite_hooks.h>
  23
  24 // Assignment
  25 void test01()
  26 {
  27   using std::advance;
  28
  29   bool test __attribute__((unused)) = true;
  30
  31   typedef __gnu_debug::list<int> list_type;
  32   list_type v1;
  33   list_type v2;
  34
  35   v1.push_front(17);
  36
  37   list_type::iterator start = v1.begin();
  38   list_type::iterator finish = v1.end();
  39   VERIFY(start._M_dereferenceable());
  40   VERIFY(!finish._M_dereferenceable() && !finish._M_singular());
  41
  42   v1 = v2;
  43   VERIFY(start._M_singular());
  44   VERIFY(!finish._M_dereferenceable() && !finish._M_singular());
  45
  46   finish = v1.end();
  47   v1.assign(v2.begin(), v2.end());
  48   VERIFY(!finish._M_dereferenceable() && !finish._M_singular());
  49
  50   finish = v1.end();
  51   v1.assign(17, 42);
  52   VERIFY(!finish._M_dereferenceable() && !finish._M_singular());
  53 }
  54
  55 int main()
  56 {
  57   test01();
  58   return 0;
  59 }