tests[object]: Fix test case

Change-Id: Id130d30378c4790fa68618c4f8c9b8bbc8655832
diff --git a/tests/unit-tests/object-db.t.cpp b/tests/unit-tests/object-db.t.cpp
new file mode 100644
index 0000000..2428df3
--- /dev/null
+++ b/tests/unit-tests/object-db.t.cpp
@@ -0,0 +1,98 @@
+/* -*- 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 ChronoShare, a decentralized file sharing application over NDN.
+ *
+ * ChronoShare 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.
+ *
+ * ChronoShare 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 copies of the GNU General Public License along with
+ * ChronoShare, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ChronoShare authors and contributors.
+ */
+
+#include "object-db.hpp"
+
+#include "test-common.hpp"
+
+namespace ndn {
+namespace chronoshare {
+namespace tests {
+
+namespace fs = boost::filesystem;
+
+class TestObjectDbFixture : public IdentityManagementTimeFixture
+{
+public:
+  TestObjectDbFixture()
+  {
+    tmpdir = fs::unique_path(UNIT_TEST_CONFIG_PATH) / "TestObjectDb";
+    if (exists(tmpdir)) {
+      remove_all(tmpdir);
+    }
+  }
+
+public:
+  fs::path tmpdir;
+};
+
+BOOST_FIXTURE_TEST_SUITE(TestObjectDb, TestObjectDbFixture)
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+  BOOST_CHECK_EQUAL(ObjectDb::doesExist(tmpdir, "/my-device", "abcdef"), false);
+
+  Data data("/hello/world");
+  data.setContent(Name("/some/content").wireEncode());
+  m_keyChain.sign(data);
+
+  // Saving object
+  {
+    ObjectDb object(tmpdir, "abcdef");
+    BOOST_CHECK_EQUAL(object.getLastUsed(), time::steady_clock::now());
+
+    BOOST_CHECK_EQUAL(ObjectDb::doesExist(tmpdir, "/my-device", "abcdef"), false);
+
+    advanceClocks(time::hours(1));
+    BOOST_CHECK_NE(object.getLastUsed(), time::steady_clock::now());
+
+    object.saveContentObject("/my-device", 0, data);
+  }
+
+  // Retrieving object
+  {
+    ObjectDb object(tmpdir, "abcdef");
+
+    BOOST_CHECK_EQUAL(ObjectDb::doesExist(tmpdir, "/my-device", "abcdef"), true);
+    BOOST_CHECK(exists(tmpdir / "objects" / "ab" / "cdef"));
+    BOOST_CHECK_EQUAL(object.getLastUsed(), time::steady_clock::now());
+
+    advanceClocks(time::hours(1));
+    BOOST_CHECK_NE(object.getLastUsed(), time::steady_clock::now());
+
+    BOOST_CHECK(object.fetchSegment("/my-device", 0) != nullptr);
+    auto retrievedData = object.fetchSegment("/my-device", 0);
+    BOOST_REQUIRE(retrievedData != nullptr);
+    BOOST_CHECK_EQUAL(*retrievedData, data);
+    BOOST_CHECK_EQUAL(object.getLastUsed(), time::steady_clock::now());
+
+    advanceClocks(time::hours(1));
+    BOOST_CHECK_NE(object.getLastUsed(), time::steady_clock::now());
+
+    BOOST_CHECK(object.fetchSegment("/my-device", 1) == nullptr);
+    BOOST_CHECK_EQUAL(object.getLastUsed(), time::steady_clock::now());
+  }
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace chronoshare
+} // namespace ndn