diff --git a/tests/daemon/fw/retx-suppression.t.cpp b/tests/daemon/fw/retx-suppression.t.cpp
new file mode 100644
index 0000000..2d1b146
--- /dev/null
+++ b/tests/daemon/fw/retx-suppression.t.cpp
@@ -0,0 +1,163 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD 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.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "fw/retx-suppression.hpp"
+#include "fw/retx-suppression-fixed.hpp"
+#include "fw/retx-suppression-exponential.hpp"
+#include "strategy-tester.hpp"
+
+#include "tests/test-common.hpp"
+#include "tests/daemon/face/dummy-face.hpp"
+
+namespace nfd {
+namespace fw {
+namespace tests {
+
+using namespace nfd::tests;
+
+BOOST_FIXTURE_TEST_SUITE(FwRetxSuppression, UnitTestTimeFixture)
+
+BOOST_AUTO_TEST_CASE(Fixed)
+{
+  Forwarder forwarder;
+  Pit& pit = forwarder.getPit();
+  static const time::milliseconds MIN_RETX_INTERVAL(200);
+  RetxSuppressionFixed rs(MIN_RETX_INTERVAL);
+
+  shared_ptr<DummyFace> face1 = make_shared<DummyFace>();
+  shared_ptr<DummyFace> face2 = make_shared<DummyFace>();
+  shared_ptr<DummyFace> face3 = make_shared<DummyFace>();
+  forwarder.addFace(face1);
+  forwarder.addFace(face2);
+  forwarder.addFace(face3);
+
+  shared_ptr<Interest> interest = makeInterest("ndn:/0JiimvmxK8");
+  shared_ptr<pit::Entry> pitEntry = pit.insert(*interest).first;
+
+  const time::nanoseconds RETRANSMISSION_10P =
+      time::duration_cast<time::nanoseconds>(MIN_RETX_INTERVAL * 0.1);
+
+  // @ time 0
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::NEW);
+  pitEntry->insertOrUpdateOutRecord(face3, *interest);
+
+  this->advanceClocks(RETRANSMISSION_10P, 5); // @ time 0.5 interval
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::SUPPRESS);
+  pitEntry->insertOrUpdateInRecord(face2, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face2, *interest, *pitEntry), RetxSuppression::SUPPRESS);
+
+  this->advanceClocks(RETRANSMISSION_10P, 6); // @ time 1.1 interval
+  pitEntry->insertOrUpdateInRecord(face2, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face2, *interest, *pitEntry), RetxSuppression::FORWARD);
+  // but strategy decides not to forward
+
+  this->advanceClocks(RETRANSMISSION_10P, 1); // @ time 1.2 interval
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::FORWARD);
+  // retransmission suppress shall still give clearance for forwarding
+  pitEntry->insertOrUpdateOutRecord(face3, *interest); // and strategy forwards
+
+  this->advanceClocks(RETRANSMISSION_10P, 2); // @ time 1.4 interval
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::SUPPRESS);
+  pitEntry->insertOrUpdateInRecord(face2, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face2, *interest, *pitEntry), RetxSuppression::SUPPRESS);
+}
+
+BOOST_AUTO_TEST_CASE(Exponential)
+{
+  Forwarder forwarder;
+  Pit& pit = forwarder.getPit();
+  RetxSuppressionExponential rs(time::milliseconds(10), 3.0, time::milliseconds(100));
+
+  shared_ptr<DummyFace> face1 = make_shared<DummyFace>();
+  shared_ptr<DummyFace> face2 = make_shared<DummyFace>();
+  forwarder.addFace(face1);
+  forwarder.addFace(face2);
+
+  shared_ptr<Interest> interest = makeInterest("ndn:/smuVeQSW6q");
+  shared_ptr<pit::Entry> pitEntry = pit.insert(*interest).first;
+
+  // @ 0ms
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::NEW);
+  pitEntry->insertOrUpdateOutRecord(face2, *interest);
+  // suppression interval is 10ms, until 10ms
+
+  this->advanceClocks(time::milliseconds(5)); // @ 5ms
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::SUPPRESS);
+  // suppression interval is 10ms, until 10ms
+
+  this->advanceClocks(time::milliseconds(6)); // @ 11ms
+  // note: what happens at *exactly* 10ms does not matter so it's untested,
+  // because in reality network timing won't be exact:
+  // incoming Interest is processed either before or after 10ms point
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::FORWARD);
+  pitEntry->insertOrUpdateOutRecord(face2, *interest);
+  // suppression interval is 30ms, until 41ms
+
+  this->advanceClocks(time::milliseconds(25)); // @ 36ms
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::SUPPRESS);
+  // suppression interval is 30ms, until 41ms
+
+  this->advanceClocks(time::milliseconds(6)); // @ 42ms
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::FORWARD);
+  // strategy decides not to forward, but suppression interval is increased nevertheless
+  // suppression interval is 90ms, until 101ms
+
+  this->advanceClocks(time::milliseconds(58)); // @ 100ms
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::SUPPRESS);
+  // suppression interval is 90ms, until 101ms
+
+  this->advanceClocks(time::milliseconds(3)); // @ 103ms
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::FORWARD);
+  pitEntry->insertOrUpdateOutRecord(face2, *interest);
+  // suppression interval is 100ms, until 203ms
+
+  this->advanceClocks(time::milliseconds(99)); // @ 202ms
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::SUPPRESS);
+  // suppression interval is 100ms, until 203ms
+
+  this->advanceClocks(time::milliseconds(2)); // @ 204ms
+  pitEntry->insertOrUpdateInRecord(face1, *interest);
+  BOOST_CHECK_EQUAL(rs.decide(*face1, *interest, *pitEntry), RetxSuppression::FORWARD);
+  pitEntry->insertOrUpdateOutRecord(face2, *interest);
+  // suppression interval is 100ms, until 304ms
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace fw
+} // namespace nfd