core: move nfd-specific files to daemon/

Refs: #4922
Change-Id: I2243dbb87c63f9cbaf7d7051d7a0d4bca2f9fdb5
diff --git a/tests/daemon/common/counter.t.cpp b/tests/daemon/common/counter.t.cpp
new file mode 100644
index 0000000..60de483
--- /dev/null
+++ b/tests/daemon/common/counter.t.cpp
@@ -0,0 +1,93 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2019,  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 "common/counter.hpp"
+
+#include "tests/test-common.hpp"
+
+namespace nfd {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(TestCounter)
+
+BOOST_AUTO_TEST_CASE(PacketCnt)
+{
+  PacketCounter counter;
+
+  uint64_t observation = counter; // implicit conversion
+  BOOST_CHECK_EQUAL(observation, 0);
+
+  ++counter;
+  BOOST_CHECK_EQUAL(counter, 1);
+  ++counter;
+  ++counter;
+  BOOST_CHECK_EQUAL(counter, 3);
+
+  counter.set(2);
+  BOOST_CHECK_EQUAL(counter, 2);
+}
+
+BOOST_AUTO_TEST_CASE(ByteCnt)
+{
+  ByteCounter counter;
+
+  uint64_t observation = counter; // implicit conversion
+  BOOST_CHECK_EQUAL(observation, 0);
+
+  counter += 20;
+  BOOST_CHECK_EQUAL(counter, 20);
+  counter += 80;
+  counter += 90;
+  BOOST_CHECK_EQUAL(counter, 190);
+
+  counter.set(21);
+  BOOST_CHECK_EQUAL(counter, 21);
+}
+
+BOOST_AUTO_TEST_CASE(SizeCnt)
+{
+  std::vector<int> v;
+  SizeCounter<std::vector<int>> counter1(&v);
+  SizeCounter<std::vector<int>> counter2;
+  counter2.observe(&v);
+
+  size_t observation1 = counter1; // implicit conversion
+  size_t observation2 = counter2;
+  BOOST_CHECK_EQUAL(observation1, 0);
+  BOOST_CHECK_EQUAL(observation2, 0);
+
+  v.resize(249);
+  BOOST_CHECK_EQUAL(counter1, 249);
+  BOOST_CHECK_EQUAL(counter2, 249);
+
+  v.resize(98);
+  BOOST_CHECK_EQUAL(counter1, 98);
+  BOOST_CHECK_EQUAL(counter2, 98);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestCounter
+
+} // namespace tests
+} // namespace nfd