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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013-2019 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/util/backports.hpp"
#include "ndn-cxx/util/ostream-joiner.hpp"
#include "tests/boost-test.hpp"
#include <numeric>
#if BOOST_VERSION >= 105900
#include <boost/test/tools/output_test_stream.hpp>
#else
#include <boost/test/output_test_stream.hpp>
#endif
namespace ndn {
namespace tests {
BOOST_AUTO_TEST_SUITE(Util)
BOOST_AUTO_TEST_SUITE(TestBackports)
BOOST_AUTO_TEST_CASE(Clamp)
{
int x = clamp(5, 1, 10);
BOOST_CHECK_EQUAL(x, 5);
x = clamp(-5, 1, 10);
BOOST_CHECK_EQUAL(x, 1);
x = clamp(15, 1, 10);
BOOST_CHECK_EQUAL(x, 10);
x = clamp(5, 10, 1, std::greater<int>());
BOOST_CHECK_EQUAL(x, 5);
x = clamp(-5, 10, 1, std::greater<int>());
BOOST_CHECK_EQUAL(x, 1);
x = clamp(15, 10, 1, std::greater<int>());
BOOST_CHECK_EQUAL(x, 10);
}
BOOST_AUTO_TEST_CASE(OstreamJoiner)
{
boost::test_tools::output_test_stream os;
auto joiner1 = ostream_joiner<char>(os, ' ');
auto joiner2 = make_ostream_joiner(os, ' ');
static_assert(std::is_same<decltype(joiner1), decltype(joiner2)>::value, "");
std::vector<int> v(5);
std::iota(v.begin(), v.end(), 1);
std::copy(v.begin(), v.end(), joiner2);
BOOST_CHECK(os.is_equal("1 2 3 4 5"));
auto joiner3 = make_ostream_joiner(os, "...");
std::copy(v.begin(), v.end(), joiner3);
BOOST_CHECK(os.is_equal("1...2...3...4...5"));
joiner3 = "one";
BOOST_CHECK(os.is_equal("one"));
joiner3 = "two";
BOOST_CHECK(os.is_equal("...two"));
++joiner3 = "three";
BOOST_CHECK(os.is_equal("...three"));
joiner3++ = "four";
BOOST_CHECK(os.is_equal("...four"));
std::copy(v.begin(), v.end(), make_ostream_joiner(os, ""));
BOOST_CHECK(os.is_equal("12345"));
std::string delimiter("_");
std::copy(v.begin(), v.end(), make_ostream_joiner(os, delimiter));
BOOST_CHECK(os.is_equal("1_2_3_4_5"));
}
BOOST_AUTO_TEST_SUITE_END() // TestBackports
BOOST_AUTO_TEST_SUITE_END() // Util
} // namespace tests
} // namespace ndn