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

// Copyright (C) 2011-2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
 
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// { dg-options "-std=gnu++0x" }

#include <vector>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
 
struct T { int i; };

using __gnu_test::propagating_allocator;

void test01()
{
  bool test __attribute__((unused)) = true;
  typedef propagating_allocator<T, false> alloc_type;
  typedef std::vector<T, alloc_type> test_type;
  test_type v1(alloc_type(1));
  v1.push_back(T());
  test_type v2(alloc_type(2));
  v2.push_back(T());
  v2 = std::move(v1);
  VERIFY(1 == v1.get_allocator().get_personality());
  VERIFY(2 == v2.get_allocator().get_personality());
}

void test02()
{
  bool test __attribute__((unused)) = true;
  typedef propagating_allocator<T, true> alloc_type;
  typedef std::vector<T, alloc_type> test_type;
  test_type v1(alloc_type(1));
  v1.push_back(T());
  auto it = v1.begin();
  test_type v2(alloc_type(2));
  v2.push_back(T());
  v2 = std::move(v1);
  VERIFY( it == v2.begin() );
  VERIFY(0 == v1.get_allocator().get_personality());
  VERIFY(1 == v2.get_allocator().get_personality());
}

void test03()
{
  bool test __attribute__((unused)) = true;
  typedef propagating_allocator<T, false> alloc_type;
  typedef std::vector<T, alloc_type> test_type;
  test_type v1(alloc_type(1));
  v1.push_back(T());
  auto it = v1.begin();
  test_type v2(alloc_type(1));
  v2.push_back(T());
  v2 = std::move(v1);
  VERIFY( it == v2.begin() );
  VERIFY(1 == v1.get_allocator().get_personality());
  VERIFY(1 == v2.get_allocator().get_personality());
}

int main()
{
  test01();
  test02();
  test03();
  return 0;
}