libstdc++-v3/testsuite/23_containers/list/allocator/move_assign.cc

   1 // Copyright (C) 2015-2019 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++11 } }
  19
  20 #include <list>
  21 #include <testsuite_hooks.h>
  22 #include <testsuite_allocator.h>
  23
  24 struct T { int i; };
  25
  26 using __gnu_test::propagating_allocator;
  27
  28 void test01()
  29 {
  30   typedef propagating_allocator<T, false> alloc_type;
  31   typedef std::list<T, alloc_type> test_type;
  32   test_type v1(alloc_type(1));
  33   v1.push_front(T());
  34   test_type v2(alloc_type(2));
  35   v2.push_front(T());
  36   v2 = std::move(v1);
  37   VERIFY(1 == v1.get_allocator().get_personality());
  38   VERIFY(2 == v2.get_allocator().get_personality());
  39 }
  40
  41 void test02()
  42 {
  43   typedef propagating_allocator<T, true> alloc_type;
  44   typedef std::list<T, alloc_type> test_type;
  45   test_type v1(alloc_type(1));
  46   v1.push_front(T());
  47   auto it = v1.begin();
  48   test_type v2(alloc_type(2));
  49   v2.push_front(T());
  50   v2 = std::move(v1);
  51   VERIFY(0 == v1.get_allocator().get_personality());
  52   VERIFY(1 == v2.get_allocator().get_personality());
  53   VERIFY( it == v2.begin() );
  54 }
  55
  56 int main()
  57 {
  58   test01();
  59   test02();
  60   return 0;
  61 }