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

   1 // Copyright (C) 2013-2014 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-options "-std=gnu++11" }
  19
  20 #include <map>
  21 #include <testsuite_hooks.h>
  22 #include <testsuite_allocator.h>
  23
  24 struct T { int i; };
  25
  26 bool operator<(T l, T r) { return l.i < r.i; }
  27
  28 using Cmp = std::less<T>;
  29
  30 struct U { };
  31
  32 using __gnu_test::propagating_allocator;
  33
  34 void test01()
  35 {
  36   bool test __attribute__((unused)) = true;
  37   typedef propagating_allocator<std::pair<const T, U>, false> alloc_type;
  38   typedef std::map<T, U, Cmp, alloc_type> test_type;
  39   test_type v1(alloc_type(1));
  40   v1 = { test_type::value_type{} };
  41
  42   test_type v2(alloc_type(2));
  43   v2 = { test_type::value_type{} };
  44   v2 = std::move(v1);
  45
  46   VERIFY(1 == v1.get_allocator().get_personality());
  47   VERIFY(2 == v2.get_allocator().get_personality());
  48 }
  49
  50 void test02()
  51 {
  52   bool test __attribute__((unused)) = true;
  53   typedef propagating_allocator<std::pair<const T, U>, true> alloc_type;
  54   typedef std::map<T, U, Cmp, alloc_type> test_type;
  55   test_type v1(alloc_type(1));
  56   v1 = { test_type::value_type{} };
  57   auto it = v1.begin();
  58
  59   test_type v2(alloc_type(2));
  60   v2 = { test_type::value_type{} };
  61   v2 = std::move(v1);
  62
  63   VERIFY(0 == v1.get_allocator().get_personality());
  64   VERIFY(1 == v2.get_allocator().get_personality());
  65   VERIFY( it == v2.begin() );
  66 }
  67
  68 int main()
  69 {
  70   test01();
  71   test02();
  72   return 0;
  73 }