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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 23_containers / map / allocator / copy_assign.cc

// Copyright (C) 2013-2016 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++11" }

#include <map>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>

struct T { int i; };

bool operator<(T l, T r) { return l.i < r.i; }

using Cmp = std::less<T>;

struct U { };

using __gnu_test::propagating_allocator;

void test01()
{
  bool test __attribute__((unused)) = true;
  typedef propagating_allocator<std::pair<const T, U>, false> alloc_type;
  typedef std::map<T, U, Cmp, alloc_type> test_type;
  test_type v1(alloc_type(1));
  v1 = { test_type::value_type{} };
  test_type v2(alloc_type(2));
  v2 = { test_type::value_type{} };
  v2 = 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<std::pair<const T, U>, true> alloc_type;
  typedef std::map<T, U, Cmp, alloc_type> test_type;
  test_type v1(alloc_type(1));
  v1 = { test_type::value_type{} };
  test_type v2(alloc_type(2));
  v2 = { test_type::value_type{} };
  v2 = v1;
  VERIFY(1 == v1.get_allocator().get_personality());
  VERIFY(1 == v2.get_allocator().get_personality());
}

void test03()
{
  bool test __attribute__((unused)) = true;

  using namespace __gnu_test;

  typedef tracker_allocator<std::pair<const int, int>> alloc_type;
  typedef std::map<int, int, std::less<int>, alloc_type> test_type;

  tracker_allocator_counter::reset();

  test_type v1 = { { 0, 0 }, { 1, 1 } };
  test_type v2 = { { 2, 2 }, { 3, 3 } };

  auto allocs = tracker_allocator_counter::get_allocation_count();
  auto constructs = tracker_allocator_counter::get_construct_count();

  v1 = v2;

  VERIFY( tracker_allocator_counter::get_allocation_count() == allocs );
  VERIFY( tracker_allocator_counter::get_construct_count() == constructs + 2 );
}

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