/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2012-2014 University of California, Los Angeles
 *
 * This file is part of ChronoSync, synchronization library for distributed realtime
 * applications for NDN.
 *
 * ChronoSync 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.
 *
 * ChronoSync 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
 * ChronoSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <boost/test/unit_test.hpp>
#include <boost/test/output_test_stream.hpp>
using boost::test_tools::output_test_stream;

#include <boost/make_shared.hpp>

#include "sync-full-leaf.h"
#include "sync-diff-leaf.h"
#include "sync-std-name-info.h"

using namespace Sync;
using namespace std;
using namespace boost;

BOOST_AUTO_TEST_SUITE(LeafTests)

BOOST_AUTO_TEST_CASE (LeafBase)
{
  NameInfoConstPtr name = StdNameInfo::FindOrCreate ("/test/name");
  BOOST_CHECK (name != 0);

  // find the same name
  BOOST_CHECK (name.get () == StdNameInfo::FindOrCreate ("/test/name").get ());
  BOOST_CHECK_EQUAL (name.use_count (), 1);

  BOOST_CHECK_NO_THROW (DiffLeaf x (name, SeqNo (12)));
  BOOST_CHECK_EQUAL (name.use_count (), 1);

  BOOST_CHECK_NO_THROW (DiffLeaf x (name));
  BOOST_CHECK_EQUAL (name.use_count (), 1);

  DiffLeaf updateLeaf (name, SeqNo (12));
  BOOST_CHECK_EQUAL (name.use_count (), 2);

  DiffLeaf removeLeaf (name);
  BOOST_CHECK_EQUAL (name.use_count (), 3);

  BOOST_CHECK_EQUAL (updateLeaf.getOperation (), UPDATE);
  BOOST_CHECK_EQUAL (updateLeaf.getSeq ().getSession (), 0);
  BOOST_CHECK_EQUAL (updateLeaf.getSeq ().getSeq (), 12);

  BOOST_CHECK_EQUAL (removeLeaf.getOperation (), REMOVE);
  BOOST_CHECK_EQUAL (removeLeaf.getSeq ().getSession (), 0);
  BOOST_CHECK_EQUAL (removeLeaf.getSeq ().getSeq (), 0);

  BOOST_REQUIRE_NO_THROW (FullLeaf x (name, SeqNo (12)));
  FullLeaf fullLeaf (name, SeqNo (12));
  BOOST_CHECK_EQUAL (name.use_count (), 4);
}

BOOST_AUTO_TEST_CASE (LeafDigest)
{
  BOOST_CHECK_EQUAL (StdNameInfo::FindOrCreate ("/test/name").use_count (), 1);
  NameInfoConstPtr name = StdNameInfo::FindOrCreate ("/test/name");
  FullLeaf fullLeaf (name, SeqNo (12));

  // fullLeafDigest = hash ( hash(name), hash (session, seqNo) )

  // Digest manualDigest;

  // Digest manualNameDigest;
  // manualNameDigest << "/test/name";
  // manualNameDigest.finalize ();

  // Digest manualSeqNoDigest;
  // manualSeqNoDigest << 0 << 13;
  // manualSeqNoDigest.finalize ();

  // manualDigest << manualNameDigest << manualSeqNoDigest;
  // manualDigest.finalize ();

  // cout << manualDigest << "\n\n";

  output_test_stream output;
  output << fullLeaf.getDigest ();
  // BOOST_CHECK (output.is_equal ("991f8cf6262dfe0f519c63f6e9b92fe69e741a9b", true)); // for sha1
	BOOST_CHECK (output.is_equal ("526d63e6e1f05f97502fd500a1729c4907f3841483ae4561b7e6307c40188f35", true)); // for sha256

  fullLeaf.setSeq (SeqNo (13));
  output << fullLeaf.getDigest ();
  BOOST_CHECK (!output.is_equal ("991f8cf6262dfe0f519c63f6e9b92fe69e741a9b", false));
  // BOOST_CHECK (output.is_equal ("585a8687ab41d5c29f86e5906c8f188ddca816b3", true)); // for sha1
	BOOST_CHECK (output.is_equal ("39fefe65b3e1021776c07d3a9a3023c6c7cdf12724ee7f3a98b813b22f46d5ec", true)); // for sha256
}

BOOST_AUTO_TEST_SUITE_END()