/* -*- 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 ndn-cxx library (NDN C++ library with eXperimental eXtensions).
 *
 * ndn-cxx library is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * ndn-cxx 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 Lesser General Public License for more details.
 *
 * You should have received copies of the GNU General Public License and GNU Lesser
 * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
 */

#include "util/ethernet.hpp"

#include "boost-test.hpp"

namespace ndn {
namespace util {

BOOST_AUTO_TEST_SUITE(UtilTestEthernet)

BOOST_AUTO_TEST_CASE(BasicChecks)
{
  ethernet::Address a;
  BOOST_CHECK(a.isNull());

  a = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB};
  ethernet::Address b(0x01, 0x23, 0x45, 0x67, 0x89, 0xAB);
  const uint8_t bytes[] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB};
  ethernet::Address c(bytes);
  ethernet::Address d(a);
  ethernet::Address e;
  e = a;

  BOOST_CHECK_EQUAL(a, b);
  BOOST_CHECK_EQUAL(a, c);
  BOOST_CHECK_EQUAL(a, d);
  BOOST_CHECK_EQUAL(a, e);

  BOOST_CHECK(ethernet::getBroadcastAddress().isBroadcast());
  BOOST_CHECK(ethernet::getDefaultMulticastAddress().isMulticast());
}

BOOST_AUTO_TEST_CASE(ToString)
{
  BOOST_CHECK_EQUAL(ethernet::Address().toString('-'),
                    "00-00-00-00-00-00");
  BOOST_CHECK_EQUAL(ethernet::getBroadcastAddress().toString(),
                    "ff:ff:ff:ff:ff:ff");
  BOOST_CHECK_EQUAL(ethernet::Address(0x01, 0x23, 0x45, 0x67, 0x89, 0xAB).toString('-'),
                    "01-23-45-67-89-ab");
  BOOST_CHECK_EQUAL(ethernet::Address(0x01, 0x23, 0x45, 0x67, 0x89, 0xAB).toString(),
                    "01:23:45:67:89:ab");
}

BOOST_AUTO_TEST_CASE(FromString)
{
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("0:0:0:0:0:0"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("ff-ff-ff-ff-ff-ff"),
                    ethernet::getBroadcastAddress());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("de:ad:be:ef:1:2"),
                    ethernet::Address(0xde, 0xad, 0xbe, 0xef, 0x01, 0x02));
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("DE:AD:BE:EF:1:2"),
                    ethernet::Address(0xde, 0xad, 0xbe, 0xef, 0x01, 0x02));

  // malformed inputs
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("01.23.45.67.89.ab"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("01:23:45 :67:89:ab"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("01:23:45:67:89::1"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("01-23-45-67-89"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("01:23:45:67:89:ab:cd"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("01:23:45:67-89-ab"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("qw-er-ty-12-34-56"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("this-is-not-an-ethernet-address"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString("foobar"),
                    ethernet::Address());
  BOOST_CHECK_EQUAL(ethernet::Address::fromString(""),
                    ethernet::Address());
}

BOOST_AUTO_TEST_CASE(StdHash)
{
  // make sure we can use ethernet::Address as key type in std::unordered_map
  std::hash<ethernet::Address> h;
  BOOST_CHECK_NO_THROW(h(ethernet::getDefaultMulticastAddress()));
}

BOOST_AUTO_TEST_SUITE_END()

} // namespace util
} // namespace ndn