/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013-2021 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 "ndn-cxx/security/transform/step-source.hpp"
#include "ndn-cxx/security/transform/stream-sink.hpp"

#include "tests/boost-test.hpp"

#include <sstream>

namespace ndn {
namespace security {
namespace transform {
namespace tests {

BOOST_AUTO_TEST_SUITE(Security)
BOOST_AUTO_TEST_SUITE(Transform)
BOOST_AUTO_TEST_SUITE(TestStepSource)

BOOST_AUTO_TEST_CASE(Basic)
{
  const std::string input =
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567"
    "0123456701234567012345670123456701234567012345670123456701234567";
  auto buf = reinterpret_cast<const uint8_t*>(input.data());

  std::ostringstream os;
  StepSource ss;
  ss >> streamSink(os);
  BOOST_CHECK_EQUAL(ss.write({buf, 320}), 320);
  BOOST_CHECK_EQUAL(ss.write({buf + 320, 320}), 320);
  BOOST_CHECK_EQUAL(ss.write({buf + 640, 320}), 320);
  BOOST_CHECK_EQUAL(ss.write({buf + 960, 320}), 320);
  ss.end();

  BOOST_CHECK_THROW(ss.write({buf + 960, 320}), transform::Error);
  BOOST_CHECK_EQUAL(os.str(), input);
}

BOOST_AUTO_TEST_CASE(EmptyInput)
{
  std::ostringstream os;
  StepSource ss;
  ss >> streamSink(os);
  ss.end();

  BOOST_CHECK_EQUAL(os.str(), "");
}

BOOST_AUTO_TEST_SUITE_END() // TestStepSource
BOOST_AUTO_TEST_SUITE_END() // Transform
BOOST_AUTO_TEST_SUITE_END() // Security

} // namespace tests
} // namespace transform
} // namespace security
} // namespace ndn