security: Add transformation sink/source

Change-Id: I2698f79f639c2bd7c3ce2e00f48be634dc4c983d
Refs: #3009
diff --git a/tests/unit-tests/security/transform/stream-sink.t.cpp b/tests/unit-tests/security/transform/stream-sink.t.cpp
new file mode 100644
index 0000000..e9185d3
--- /dev/null
+++ b/tests/unit-tests/security/transform/stream-sink.t.cpp
@@ -0,0 +1,60 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016 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 "security/transform/stream-sink.hpp"
+
+#include "boost-test.hpp"
+
+namespace ndn {
+namespace security {
+namespace transform {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(Security)
+BOOST_AUTO_TEST_SUITE(Transform)
+BOOST_AUTO_TEST_SUITE(TestStreamSink)
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+  uint8_t in[] = {
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+    0x20, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+  };
+  std::ostringstream os;
+  StreamSink sink(os);
+  BOOST_CHECK_EQUAL(sink.write(in, 4), 4);
+  BOOST_CHECK_EQUAL(sink.write(in + 4, 4), 4);
+  BOOST_CHECK_EQUAL(sink.write(in + 8, 4), 4);
+  BOOST_CHECK_EQUAL(sink.write(in + 12, 4), 4);
+  sink.end();
+  std::string out = os.str();
+  BOOST_CHECK_EQUAL_COLLECTIONS(in, in + sizeof(in), out.begin(), out.end());
+  BOOST_CHECK_THROW(sink.write(in + 8, 8), transform::Error);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestStreamSink
+BOOST_AUTO_TEST_SUITE_END() // Transform
+BOOST_AUTO_TEST_SUITE_END() // Security
+
+} // namespace tests
+} // namespace transform
+} // namespace security
+} // namespace ndn