/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
 * Copyright (c) 2014,  Regents of the University of California,
 *                      Arizona Board of Regents,
 *                      Colorado State University,
 *                      University Pierre & Marie Curie, Sorbonne University,
 *                      Washington University in St. Louis,
 *                      Beijing Institute of Technology,
 *                      The University of Memphis
 *
 * This file is part of NFD (Named Data Networking Forwarding Daemon).
 * See AUTHORS.md for complete list of NFD authors and contributors.
 *
 * NFD 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 of the License, or (at your option) any later version.
 *
 * NFD 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
 * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "table/strategy-info-host.hpp"

#include "tests/test-common.hpp"

namespace nfd {
namespace tests {

using fw::StrategyInfo;

static int g_DummyStrategyInfo_count = 0;

class DummyStrategyInfo : public StrategyInfo
{
public:
  static constexpr int
  getTypeId()
  {
    return 1;
  }

  DummyStrategyInfo(int id)
    : m_id(id)
  {
    ++g_DummyStrategyInfo_count;
  }

  virtual
  ~DummyStrategyInfo()
  {
    --g_DummyStrategyInfo_count;
  }

  int m_id;
};

class DummyStrategyInfo2 : public StrategyInfo
{
public:
  static constexpr int
  getTypeId()
  {
    return 2;
  }

  DummyStrategyInfo2(int id)
    : m_id(id)
  {
  }

  int m_id;
};

BOOST_FIXTURE_TEST_SUITE(TableStrategyInfoHost, BaseFixture)

BOOST_AUTO_TEST_CASE(SetGetClear)
{
  StrategyInfoHost host;

  BOOST_CHECK(host.getStrategyInfo<DummyStrategyInfo>() == nullptr);

  g_DummyStrategyInfo_count = 0;

  shared_ptr<DummyStrategyInfo> info = make_shared<DummyStrategyInfo>(7591);
  host.setStrategyInfo(info);
  BOOST_REQUIRE(host.getStrategyInfo<DummyStrategyInfo>() != nullptr);
  BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo>()->m_id, 7591);

  info.reset(); // unlink local reference
  // host should still have a reference to info
  BOOST_REQUIRE(host.getStrategyInfo<DummyStrategyInfo>() != nullptr);
  BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo>()->m_id, 7591);

  host.clearStrategyInfo();
  BOOST_CHECK(host.getStrategyInfo<DummyStrategyInfo>() == nullptr);
  BOOST_CHECK_EQUAL(g_DummyStrategyInfo_count, 0);
}

BOOST_AUTO_TEST_CASE(Create)
{
  StrategyInfoHost host;

  host.getOrCreateStrategyInfo<DummyStrategyInfo>(3503);
  BOOST_REQUIRE(host.getStrategyInfo<DummyStrategyInfo>() != nullptr);
  BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo>()->m_id, 3503);

  host.getOrCreateStrategyInfo<DummyStrategyInfo>(1032);
  BOOST_REQUIRE(host.getStrategyInfo<DummyStrategyInfo>() != nullptr);
  BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo>()->m_id, 3503);

  host.setStrategyInfo<DummyStrategyInfo>(nullptr);
  host.getOrCreateStrategyInfo<DummyStrategyInfo>(9956);
  BOOST_REQUIRE(host.getStrategyInfo<DummyStrategyInfo>() != nullptr);
  BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo>()->m_id, 9956);
}

BOOST_AUTO_TEST_CASE(Types)
{
  StrategyInfoHost host;

  host.getOrCreateStrategyInfo<DummyStrategyInfo>(8063);
  BOOST_REQUIRE(host.getStrategyInfo<DummyStrategyInfo>() != nullptr);
  BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo>()->m_id, 8063);

  host.getOrCreateStrategyInfo<DummyStrategyInfo2>(2871);
  BOOST_REQUIRE(host.getStrategyInfo<DummyStrategyInfo2>() != nullptr);
  BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo2>()->m_id, 2871);

  BOOST_REQUIRE(host.getStrategyInfo<DummyStrategyInfo>() != nullptr);
  BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo>()->m_id, 8063);
}

BOOST_AUTO_TEST_SUITE_END()

} // namespace tests
} // namespace nfd