/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
 * Copyright (c) 2013-2014 Regents of the University of California.
 *
 * 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 "exclude.hpp"

#include "boost-test.hpp"

namespace ndn {

BOOST_AUTO_TEST_SUITE(TestExclude)

BOOST_AUTO_TEST_CASE(Basic)
{
  Exclude e;
  e.excludeOne(name::Component("b"));
  BOOST_CHECK_EQUAL(e.size(), 1);
  BOOST_CHECK_EQUAL(e.toUri(), "b");

  e.excludeOne(name::Component("d"));
  BOOST_CHECK_EQUAL(e.size(), 2);
  BOOST_CHECK_EQUAL(e.toUri(), "b,d");

  e.excludeOne(name::Component("a"));
  BOOST_CHECK_EQUAL(e.size(), 3);
  BOOST_CHECK_EQUAL(e.toUri(), "a,b,d");

  e.excludeOne(name::Component("aa"));
  BOOST_CHECK_EQUAL(e.size(), 4);
  BOOST_CHECK_EQUAL(e.toUri(), "a,b,d,aa");

  e.excludeOne(name::Component("cc"));
  BOOST_CHECK_EQUAL(e.size(), 5);
  BOOST_CHECK_EQUAL(e.toUri(), "a,b,d,aa,cc");

  e.excludeOne(name::Component("c"));
  BOOST_CHECK_EQUAL(e.size(), 6);
  BOOST_CHECK_EQUAL(e.toUri(), "a,b,c,d,aa,cc");
}

BOOST_AUTO_TEST_CASE(EqualityComparable)
{
  Exclude e1;
  Exclude e2;
  BOOST_CHECK_EQUAL(e1, e2);

  e1.excludeOne(name::Component("T"));
  BOOST_CHECK_NE(e1, e2);

  e2.excludeOne(name::Component("D"));
  BOOST_CHECK_NE(e1, e2);

  e2.clear();
  e2.excludeOne(name::Component("T"));
  BOOST_CHECK_EQUAL(e1, e2);

  e2.clear();
  const uint8_t EXCLUDE[] = { 0x10, 0x15, 0x13, 0x00, 0x08, 0x01, 0x41, 0x08, 0x01, 0x42,
                              0x08, 0x01, 0x43, 0x13, 0x00, 0x08, 0x01, 0x44, 0x08, 0x01,
                              0x45, 0x13, 0x00 };
  e2.wireDecode(Block(EXCLUDE, sizeof(EXCLUDE)));

  e1.clear();
  e1.excludeBefore(name::Component("A"));
  e1.excludeOne(name::Component("B"));
  e1.excludeRange(name::Component("C"), name::Component("D"));
  e1.excludeAfter(name::Component("E"));
  BOOST_CHECK_EQUAL(e1, e2);
}

BOOST_AUTO_TEST_CASE(Before)
{
  // based on http://redmine.named-data.net/issues/1158
  ndn::Exclude e;
  BOOST_REQUIRE_NO_THROW(e.excludeBefore(name::Component("PuQxMaf91")));

  BOOST_CHECK_EQUAL(e.toUri(), "*,PuQxMaf91");
}

BOOST_AUTO_TEST_CASE(Ranges)
{
// example: ANY /b /d ANY /f

  Exclude e;
  e.excludeOne(name::Component("b0"));
  BOOST_CHECK_EQUAL(e.size(), 1);
  BOOST_CHECK_EQUAL(e.toUri(), "b0");

  e.excludeRange(name::Component(), name::Component("b1"));
  BOOST_CHECK_EQUAL(e.size(), 2);
  BOOST_CHECK_EQUAL(e.toUri(), "*,b1");

  e.excludeRange(name::Component(), name::Component("c0"));
  BOOST_CHECK_EQUAL(e.size(), 2);
  BOOST_CHECK_EQUAL(e.toUri(), "*,c0");

  e.excludeRange(name::Component("a0"), name::Component("c0"));
  BOOST_CHECK_EQUAL(e.size(), 2);
  BOOST_CHECK_EQUAL(e.toUri(), "*,c0");

  e.excludeRange(name::Component("d0"), name::Component("e0"));
  BOOST_CHECK_EQUAL(e.size(), 4);
  BOOST_CHECK_EQUAL(e.toUri(), "*,c0,d0,*,e0");

  e.excludeRange(name::Component("c1"), name::Component("d1"));
  BOOST_CHECK_EQUAL(e.size(), 4);
  BOOST_CHECK_EQUAL(e.toUri(), "*,c0,c1,*,e0");

  e.excludeRange(name::Component("a1"), name::Component("d1"));
  BOOST_CHECK_EQUAL(e.size(), 2);
  BOOST_CHECK_EQUAL(e.toUri(), "*,e0");

  e.excludeBefore(name::Component("e2"));
  BOOST_CHECK_EQUAL(e.size(), 2);
  BOOST_CHECK_EQUAL(e.toUri(), "*,e2");

  e.excludeAfter(name::Component("f0"));
  BOOST_CHECK_EQUAL(e.size(), 3);
  BOOST_CHECK_EQUAL(e.toUri(), "*,e2,f0,*");

  e.excludeAfter(name::Component("e5"));
  BOOST_CHECK_EQUAL(e.size(), 3);
  BOOST_CHECK_EQUAL(e.toUri(), "*,e2,e5,*");

  e.excludeAfter(name::Component("b2"));
  BOOST_CHECK_EQUAL(e.size(), 1);
  BOOST_CHECK_EQUAL(e.toUri(), "*");

  BOOST_REQUIRE_THROW(e.excludeRange(name::Component("d0"), name::Component("a0")),
                      Exclude::Error);
}

BOOST_AUTO_TEST_CASE(Malformed)
{
  Exclude e1;
  BOOST_CHECK_THROW(e1.wireEncode(), Exclude::Error);

  Exclude e2;

  // top-level TLV-TYPE is not tlv::Exclude
  const uint8_t NON_EXCLUDE[] = { 0x01, 0x02, 0x13, 0x00 };
  BOOST_CHECK_THROW(e2.wireDecode(Block(NON_EXCLUDE, sizeof(NON_EXCLUDE))),
                    tlv::Error);

  // Exclude element is empty
  const uint8_t EMPTY_EXCLUDE[] = { 0x10, 0x00 };
  BOOST_CHECK_THROW(e2.wireDecode(Block(EMPTY_EXCLUDE, sizeof(EMPTY_EXCLUDE))),
                    Exclude::Error);

  // Exclude element contains unknown element
  const uint8_t UNKNOWN_COMP1[] = { 0x10, 0x02, 0xAA, 0x00 };
  BOOST_CHECK_THROW(e2.wireDecode(Block(UNKNOWN_COMP1, sizeof(UNKNOWN_COMP1))),
                    Exclude::Error);

  // Exclude element contains unknown element
  const uint8_t UNKNOWN_COMP2[] = { 0x10, 0x05, 0x08, 0x01, 0x54, 0xAA, 0x00 };
  BOOST_CHECK_THROW(e2.wireDecode(Block(UNKNOWN_COMP2, sizeof(UNKNOWN_COMP2))),
                    Exclude::Error);

  // // <Exclude><Any/></Exclude>
  // const uint8_t ONLY_ANY[] = { 0x10, 0x02, 0x13, 0x00 };
  // BOOST_CHECK_THROW(e2.wireDecode(Block(ONLY_ANY, sizeof(ONLY_ANY))),
  //                   Exclude::Error);

  // <Exclude><Any/><Any/></Exclude>
  const uint8_t ANY_ANY[] = { 0x10, 0x04, 0x13, 0x00, 0x13, 0x00 };
  BOOST_CHECK_THROW(e2.wireDecode(Block(ANY_ANY, sizeof(ANY_ANY))),
                                  Exclude::Error);

  // // <Exclude><Any/><NameComponent>T</NameComponent><Any/></Exclude>
  // const uint8_t ANY_COMPONENT_ANY[] = { 0x10, 0x07, 0x13, 0x00, 0x08, 0x01, 0x54, 0x13, 0x00 };
  // BOOST_CHECK_THROW(e2.wireDecode(Block(ANY_COMPONENT_ANY, sizeof(ANY_COMPONENT_ANY))),
  //                   Exclude::Error);
}

BOOST_AUTO_TEST_SUITE_END()

} // namespace ndn