libstdc++-v3/testsuite/23_containers/set/allocator/move.cc

   1 // Copyright (C) 2013-2025 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 <set>
  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::uneq_allocator;
  33
  34 void test01()
  35 {
  36   typedef uneq_allocator<T> alloc_type;
  37   typedef std::set<T, Cmp, alloc_type> test_type;
  38   test_type v1(alloc_type(1));
  39   v1 = { test_type::value_type{} };
  40   auto it = v1.begin();
  41
  42   test_type v2(std::move(v1));
  43
  44   VERIFY(1 == v1.get_allocator().get_personality());
  45   VERIFY(1 == v2.get_allocator().get_personality());
  46   VERIFY( it == v2.begin() );
  47 }
  48
  49 void test02()
  50 {
  51   typedef uneq_allocator<T> alloc_type;
  52   typedef std::set<T, Cmp, alloc_type> test_type;
  53   test_type v1(alloc_type(1));
  54   v1 = { test_type::value_type{} };
  55   test_type v2(std::move(v1), alloc_type(2));
  56   VERIFY(1 == v1.get_allocator().get_personality());
  57   VERIFY(2 == v2.get_allocator().get_personality());
  58 }
  59
  60 int main()
  61 {
  62   test01();
  63   test02();
  64   return 0;
  65 }