libstdc++-v3/testsuite/23_containers/forward_list/debug/splice_after.cc

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2010-2014 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 // Check that iterators ownership is correctly manage on swap.
  21 #include <forward_list>
  22 #include <testsuite_hooks.h>
  23
  24 void
  25 test01()
  26 {
  27   bool test __attribute__((unused)) = true;
  28   std::forward_list<int> fl1{1, 2, 3};
  29   std::forward_list<int> fl2{4, 5, 6};
  30
  31   auto before = fl1.before_begin();
  32   auto end = fl1.end();
  33   fl2.splice_after(fl2.before_begin(), std::move(fl1));
  34
  35   VERIFY( before == fl1.before_begin() );
  36   VERIFY( end == fl1.end() );
  37
  38   // no-op just to check that debug mode does not see any problem with it.
  39   fl1.splice_after(fl1.before_begin(), std::move(fl2),
  40                    fl2.before_begin(), fl2.begin());
  41 }
  42
  43 int
  44 main()
  45 {
  46   test01();
  47   return 0;
  48 }