Junxiao Shi
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014 Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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**/
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#include "fw/rtt-estimator.hpp"
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#include "tests/test-common.hpp"
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namespace nfd {
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namespace tests {
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BOOST_FIXTURE_TEST_SUITE(FwRttEstimator, BaseFixture)
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static inline double
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computeRtoAsFloatSeconds(RttEstimator& rtt)
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{
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typedef time::duration<double, time::seconds::period> FloatSeconds;
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RttEstimator::Duration rto = rtt.computeRto();
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return time::duration_cast<FloatSeconds>(rto).count();
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}
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BOOST_AUTO_TEST_CASE(Basic)
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{
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RttEstimator rtt;
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for (int i = 0; i < 100; ++i) {
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rtt.addMeasurement(time::seconds(5));
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}
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double rto1 = computeRtoAsFloatSeconds(rtt);
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BOOST_CHECK_CLOSE(rto1, 5.0, 0.1);
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rtt.doubleMultiplier();
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double rto2 = computeRtoAsFloatSeconds(rtt);
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BOOST_CHECK_CLOSE(rto2, 10.0, 0.1);
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rtt.doubleMultiplier();
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double rto3 = computeRtoAsFloatSeconds(rtt);
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BOOST_CHECK_CLOSE(rto3, 20.0, 0.1);
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rtt.addMeasurement(time::seconds(5)); // reset multiplier
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double rto4 = computeRtoAsFloatSeconds(rtt);
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BOOST_CHECK_CLOSE(rto4, 5.0, 0.1);
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rtt.incrementMultiplier();
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double rto5 = computeRtoAsFloatSeconds(rtt);
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BOOST_CHECK_CLOSE(rto5, 10.0, 0.1);
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for (int i = 0; i < 5; ++i) {
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rtt.addMeasurement(time::seconds(6));
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} // increased variance
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double rto6 = computeRtoAsFloatSeconds(rtt);
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BOOST_CHECK_GT(rto6, rto1);
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}
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BOOST_AUTO_TEST_SUITE_END()
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} // namespace tests
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} // namespace nfd
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