ims: move InMemoryStorage from util/

refs #3940

Change-Id: I4468fe9b65ef6263a62800701eb6b03df28fa274
diff --git a/tests/unit-tests/ims/in-memory-storage-persistent.t.cpp b/tests/unit-tests/ims/in-memory-storage-persistent.t.cpp
new file mode 100644
index 0000000..69c0d7e
--- /dev/null
+++ b/tests/unit-tests/ims/in-memory-storage-persistent.t.cpp
@@ -0,0 +1,65 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2017 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 "ims/in-memory-storage-persistent.hpp"
+
+#include "boost-test.hpp"
+#include "../make-interest-data.hpp"
+
+namespace ndn {
+namespace tests {
+
+using namespace ndn::tests;
+
+BOOST_AUTO_TEST_SUITE(Ims)
+BOOST_AUTO_TEST_SUITE(TestInMemoryStoragePersistent)
+
+BOOST_AUTO_TEST_CASE(GetLimit)
+{
+  InMemoryStoragePersistent ims;
+
+  BOOST_CHECK_EQUAL(ims.getLimit(), -1);
+}
+
+BOOST_AUTO_TEST_CASE(InsertAndDouble)
+{
+  InMemoryStoragePersistent ims;
+
+  for(int i = 0; i < 11; i++) {
+    std::ostringstream convert;
+    convert << i;
+    Name name("/" + convert.str());
+    shared_ptr<Data> data = makeData(name);
+    data->setFreshnessPeriod(time::milliseconds(5000));
+    signData(data);
+    ims.insert(*data);
+  }
+
+  BOOST_CHECK_EQUAL(ims.size(), 11);
+
+  BOOST_CHECK_EQUAL(ims.getCapacity(), 20);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestInMemoryStoragePersistent
+BOOST_AUTO_TEST_SUITE_END() // Ims
+
+} // namespace tests
+} // namespace ndn