storage: skiplist for repo index
This version of skiplist is low efficient because of the map in it
Change-Id: Idecc9016619ca9ab5cbb17b078f71b1cc3d4b03e
refs #1737
diff --git a/tests/unit/skiplist.cpp b/tests/unit/skiplist.cpp
new file mode 100644
index 0000000..34083d6
--- /dev/null
+++ b/tests/unit/skiplist.cpp
@@ -0,0 +1,159 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDN repo-ng (Next generation of NDN repository).
+ * See AUTHORS.md for complete list of repo-ng authors and contributors.
+ *
+ * repo-ng 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.
+ *
+ * repo-ng 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
+ * repo-ng, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "storage/skiplist.hpp"
+
+#include "../sqlite-fixture.hpp"
+#include "../dataset-fixtures.hpp"
+
+#include <boost/test/unit_test.hpp>
+#include <boost/concept_check.hpp>
+#include <iostream>
+
+namespace repo {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(SkipList)
+
+template<class Dataset>
+class Fixture : public Dataset
+{
+};
+
+BOOST_FIXTURE_TEST_CASE_TEMPLATE(NdnNameSkipList, T, DatasetFixtures, Fixture<T>)
+{
+ repo::SkipList<ndn::Name, typename T::DataSetNameCompare> skipList;
+ //Insert
+ for (typename T::DataContainer::iterator i = this->data.begin();
+ i != this->data.end(); ++i) {
+ skipList.insert((*i)->getName());
+ }
+
+ //find and erase
+ for (typename T::DataContainer::iterator i = this->data.begin();
+ i != this->data.end(); ++i) {
+ typename repo::SkipList<ndn::Name, typename T::DataSetNameCompare>::iterator findIterator =
+ skipList.find((*i)->getName());
+ skipList.erase(findIterator);
+ }
+
+ //@todo test lower_bound
+}
+
+BOOST_AUTO_TEST_CASE(IntGtSkipList)
+{
+ typedef repo::SkipList<int, std::greater<int> > IntGtSkipList;
+ IntGtSkipList sl;
+ BOOST_CONCEPT_ASSERT((boost::BidirectionalIterator<IntGtSkipList::iterator>));
+
+ // initial state
+ BOOST_CHECK_EQUAL(sl.size(), 0);
+ BOOST_CHECK(sl.begin() == sl.end());
+ BOOST_CHECK(sl.lower_bound(10) == sl.end());
+
+ // initial contents
+ sl.insert(10);
+ sl.insert(20);
+ sl.insert(30);
+ BOOST_CHECK_EQUAL(sl.size(), 3);
+ // contents: [30,20,10]
+
+ // iterators
+ IntGtSkipList::iterator it1 = sl.begin();
+ IntGtSkipList::iterator it2 = sl.end();
+ --it2;
+ BOOST_CHECK_EQUAL(*it1, 30);
+ BOOST_CHECK_EQUAL(*it2, 10);
+ ++it1;
+ BOOST_CHECK_EQUAL(*it1, 20);
+ IntGtSkipList::iterator it3 = it1;
+ ++it1;
+ BOOST_CHECK(it2 == it1);
+ BOOST_CHECK_EQUAL(*it3, 20);
+
+ // lower_bound
+ IntGtSkipList::iterator found = sl.lower_bound(35);
+ BOOST_CHECK(found == sl.begin());
+ BOOST_CHECK_EQUAL(*found, 30);
+ found = sl.lower_bound(30);
+ BOOST_CHECK_EQUAL(*found, 30);
+ found = sl.lower_bound(25);
+ BOOST_CHECK_EQUAL(*found, 20);
+ found = sl.lower_bound(20);
+ BOOST_CHECK_EQUAL(*found, 20);
+ found = sl.lower_bound(15);
+ BOOST_CHECK_EQUAL(*found, 10);
+ found = sl.lower_bound(10);
+ BOOST_CHECK_EQUAL(*found, 10);
+ found = sl.lower_bound(5);
+ BOOST_CHECK(found == sl.end());
+
+ // insert duplicate
+ std::pair<IntGtSkipList::iterator, bool> insertRes = sl.insert(10);
+ BOOST_CHECK_EQUAL(insertRes.second, false);
+ BOOST_CHECK_EQUAL(*(insertRes.first), 10);
+ BOOST_CHECK_EQUAL(sl.size(), 3);
+ insertRes = sl.insert(20);
+ BOOST_CHECK_EQUAL(insertRes.second, false);
+ BOOST_CHECK_EQUAL(*(insertRes.first), 20);
+ BOOST_CHECK_EQUAL(sl.size(), 3);
+ insertRes = sl.insert(30);
+ BOOST_CHECK_EQUAL(insertRes.second, false);
+ BOOST_CHECK_EQUAL(*(insertRes.first), 30);
+ BOOST_CHECK_EQUAL(sl.size(), 3);
+
+ // insert non-duplicate
+ insertRes = sl.insert(5);
+ BOOST_CHECK_EQUAL(insertRes.second, true);
+ BOOST_CHECK_EQUAL(*(insertRes.first), 5);
+ BOOST_CHECK_EQUAL(sl.size(), 4);
+ insertRes = sl.insert(35);
+ BOOST_CHECK_EQUAL(insertRes.second, true);
+ BOOST_CHECK_EQUAL(*(insertRes.first), 35);
+ BOOST_CHECK_EQUAL(sl.size(), 5);
+ // contents: [35,30,20,10,5]
+
+ // erase
+ it1 = sl.erase(sl.begin());
+ // contents: [30,20,10,5]
+ BOOST_CHECK_EQUAL(*it1, 30);
+ BOOST_CHECK_EQUAL(sl.size(), 4);
+ it2 = sl.end();
+ --it2;
+ it1 = sl.erase(it2);
+ // contents: [30,20,10]
+ BOOST_CHECK(it1 == sl.end());
+ BOOST_CHECK_EQUAL(sl.size(), 3);
+ it2 = sl.lower_bound(20);
+ it1 = sl.erase(it2);
+ // contents: [30,10]
+ BOOST_CHECK_EQUAL(*it1, 10);
+ BOOST_CHECK_EQUAL(sl.size(), 2);
+ it3 = it1;
+ --it1;
+ BOOST_CHECK(it1 == sl.begin());
+ BOOST_CHECK_EQUAL(*it1, 30);
+ ++it3;
+ BOOST_CHECK(it3 == sl.end());
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace repo