diff --git a/tests/unit-tests/util/io.t.cpp b/tests/unit-tests/util/io.t.cpp
new file mode 100644
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--- /dev/null
+++ b/tests/unit-tests/util/io.t.cpp
@@ -0,0 +1,53 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2015 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 "util/io.hpp"
+#include "security/key-chain.hpp"
+#include "identity-management-fixture.hpp"
+
+#include "boost-test.hpp"
+
+namespace ndn {
+namespace tests {
+
+BOOST_FIXTURE_TEST_SUITE(UtilIo, security::IdentityManagementFixture)
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+  Name identity("/TestIO/Basic");
+  identity.appendVersion();
+  BOOST_REQUIRE(addIdentity(identity, RsaKeyParams()));
+  Name certName = m_keyChain.getDefaultCertificateNameForIdentity(identity);
+  shared_ptr<IdentityCertificate> idCert;
+  BOOST_REQUIRE_NO_THROW(idCert = m_keyChain.getCertificate(certName));
+
+  std::string file("/tmp/TestIO-Basic");
+  io::save(*idCert, file);
+  shared_ptr<IdentityCertificate> readCert = io::load<IdentityCertificate>(file);
+
+  BOOST_CHECK(static_cast<bool>(readCert));
+  BOOST_CHECK(idCert->getName() == readCert->getName());
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace ndn